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Cheap flights from London to San Francisco from £223

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LON — SFO
2 Apr — 9 Apr1
1 adult
Tue 2/4
Tue 9/4

Find deals on flights from London to San Francisco by searching across hundreds of travel sites at once

 
Cheapflights users frequently choose these airlines when searching for flights from London to San Francisco, based on our search results.
Cheapflights users frequently choose these airlines when searching for flights from London to San Francisco, based on our search results.
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Cheap flight deals from London to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 March 2024.

Popular in

July

Cheapest in

February

Round-trip from

£419

One-way from

£309
High demand for flights, 27% potential price rise
Best time to find cheap flights, 19% potential price drop
From London (LON) to San Francisco
One-way flight from London (LON) to San Francisco

What is the cheapest day to fly round-trip from London to San Francisco?

Saturday flights are generally found to be more expensive for flights from London to San Francisco. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.

How far in advance should I book a flight from London to San Francisco?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 43 days in advance, which can save you up to 23% on flights from London to San Francisco compared to booking the week you need them. Waiting 43 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £501. For sooner than that we have options available in the next 3 days from £581.

What is the cheapest month to fly from London to San Francisco?

February can be a great time to fly to San Francisco from London with a flight ticket averaging about £482. Cheapflights users have found deals in the month of February for as cheap as £306. The most expensive prices can be found in the month of July.

When is the cheapest time to fly from London to San Francisco (LON - SFO)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 7% on flights from London to San Francisco by exploring options for tickets at midday.

Cheap Delta flights from London to San Francisco

Explore cheap flight options specifically provided by Delta for the route between London and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 961,883 searches. Data last updated 28 March 2024.
Check out some of the cheapest Delta flights we've come across from London to San Francisco. Deals update often to give you more flight options matching your criteria
Tue 16/406:30LHR - SFO
1 stop13h 15mDelta
Wed 24/400:45SFO - LHR
1 stop22h 30mDelta
Deal found 27/3£424
Tue 16/406:30LHR - SFO
1 stop13h 15mDelta
Thu 25/417:01SFO - LHR
Nonstop10h 19mDelta
Deal found 27/3£425
Thu 11/406:30LHR - SFO
1 stop13h 15mDelta
Wed 24/417:01SFO - LHR
Nonstop10h 19mDelta
Deal found 27/3£425
Thu 18/417:20LHR - SFO
Nonstop11h 00mDelta
Fri 26/422:10SFO - LHR
Nonstop10h 20mDelta
Deal found 27/3£431
Wed 10/411:45LHR - SFO
Nonstop11h 00mDelta
Tue 23/400:45SFO - LHR
1 stop22h 30mDelta
Deal found 27/3£433
Fri 26/411:45LHR - SFO
Nonstop11h 00mDelta
Tue 7/513:25SFO - LHR
1 stop12h 35mDelta
Deal found 27/3£464
Sat 20/417:15LHR - SFO
Nonstop11h 00mDelta
Mon 29/400:45SFO - LHR
1 stop22h 30mDelta
Deal found 27/3£465
Fri 5/410:50LHR - SFO
1 stop16h 50mDelta
Mon 15/422:10SFO - LHR
Nonstop10h 20mDelta
Deal found 27/3£473
Fri 5/412:10LHR - SFO
1 stop16h 10mDelta
Sun 21/400:45SFO - LHR
1 stop22h 30mDelta
Deal found 27/3£474
  • Delta is one of the most popular airlines used for those travelling from London to San Francisco. Flights on this route from Delta typically cost £699.60 RT, a price that is 61% cheaper than the average London to San Francisco flight. The cheapest flight found was £446 RT. When travelling from London to San Francisco on Delta, the most popular airport to depart from is London Heathrow Airport and the most popular airport to arrive at is San Francisco Airport. When flying from London to San Francisco, Delta flights are 5% more popular than any other airline flying that same route.

Cheap ITA Airways flights from London to San Francisco

Explore cheap flight options specifically provided by ITA Airways for the route between London and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 961,883 searches. Data last updated 28 March 2024.
Browse through some of the cheapest ITA Airways flights travelling from London to San Francisco. Check back soon if you're not seeing flights that suit your needs.
Thu 16/516:50LCY - SFO
1 stop28h 25mITA Airways
Sun 19/515:15SFO - LCY
2 stops22h 10mITA Airways
Deal found 27/3£552
Wed 3/417:25LCY - SFO
1 stop27h 50mITA Airways
Fri 12/415:15SFO - LCY
2 stops38h 20mITA Airways
Deal found 27/3£667
Wed 3/413:55LCY - SFO
2 stops31h 20mITA Airways
Fri 12/415:15SFO - LCY
2 stops38h 20mITA Airways
Deal found 27/3£680
  • If you’re travelling from London to San Francisco, one of the more common airlines travelling that route is ITA Airways. London to San Francisco flights are typically 79% more expensive than other airlines travelling the same route. Flights from ITA Airways typically cost £695.53 RT. The cheapest ITA Airways flight found for this route was £453. When travelling from London to San Francisco on ITA Airways, the most popular airport to depart from is London Heathrow Airport and the most popular airport to arrive at is San Francisco Airport. When flying from London to San Francisco, ITA Airways flights are 3% more popular than any other airline flying that same route.

Cheap London to San Francisco flights in March & April 2024

Find cheap flight options from London to San Francisco specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 961,883 searches. Prices were last updated on 28 March 2024.
Check out some of the best flight deals from London to San Francisco in 2024. For more flight deals, be sure to check back very soon.
Thu 18/420:30LHR - SFO
1 stop27h 20mScandinavian Airlines
Sun 21/417:40SFO - LHR
1 stop14h 20mScandinavian Airlines
Deal found 26/3£367
Fri 26/406:40LHR - SFO
1 stop17h 10mScandinavian Airlines
Fri 3/517:40SFO - LHR
1 stop14h 20mScandinavian Airlines
Deal found 28/3£368
Tue 16/412:00LGW - SFO
1 stop19h 14mVirgin Atlantic
Thu 25/408:45SFO - LGW
1 stop17h 15mVirgin Atlantic
Deal found 27/3£383
Tue 16/410:45LGW - SFO
1 stop21h 20mMultiple Airlines
Thu 25/410:34SFO - LGW
2 stops39h 26mMultiple Airlines
Deal found 27/3£391
Fri 19/410:25LHR - SFO
Nonstop10h 55mBrussels Airlines
Sun 28/419:45SFO - LHR
Nonstop10h 25mBrussels Airlines
Deal found 28/3£398
Mon 15/412:20LHR - SFO
Nonstop11h 00mAustrian Airlines
Tue 23/419:45SFO - LHR
Nonstop10h 25mAustrian Airlines
Deal found 27/3£399
Tue 16/406:30LHR - SFO
1 stop13h 15mVirgin Atlantic
Thu 25/422:10SFO - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 27/3£401
Fri 12/406:30LHR - SFO
1 stop13h 15mVirgin Atlantic
Thu 18/417:01SFO - LHR
Nonstop10h 19mVirgin Atlantic
Deal found 27/3£402
Thu 25/406:15LHR - SFO
1 stop14h 30mVirgin Atlantic
Sun 28/406:10SFO - LHR
1 stop17h 05mVirgin Atlantic
Deal found 27/3£402

London to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between London and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 961,883 searches. Data last updated 28 March 2024.
Check out some of the best flight deals from London to San Francisco in 2024. For more flight deals, be sure to check back very soon.
Thu 18/420:30LHR - SFO
1 stop27h 20mScandinavian Airlines
Sun 21/417:40SFO - LHR
1 stop14h 20mScandinavian Airlines
Deal found 26/3£367
Fri 26/406:40LHR - SFO
1 stop17h 10mScandinavian Airlines
Fri 3/517:40SFO - LHR
1 stop14h 20mScandinavian Airlines
Deal found 28/3£368
Tue 16/412:00LGW - SFO
1 stop19h 14mVirgin Atlantic
Thu 25/408:45SFO - LGW
1 stop17h 15mVirgin Atlantic
Deal found 27/3£383
Tue 16/410:45LGW - SFO
1 stop21h 20mMultiple Airlines
Thu 25/410:34SFO - LGW
2 stops39h 26mMultiple Airlines
Deal found 27/3£391
Tue 1/1018:45LHR - SFO
1 stop27h 50mTAP AIR PORTUGAL
Fri 11/1016:20SFO - LHR
1 stop17h 25mTAP AIR PORTUGAL
Deal found 26/3£392
Fri 19/410:25LHR - SFO
Nonstop10h 55mBrussels Airlines
Sun 28/419:45SFO - LHR
Nonstop10h 25mBrussels Airlines
Deal found 28/3£398
Mon 15/412:20LHR - SFO
Nonstop11h 00mAustrian Airlines
Tue 23/419:45SFO - LHR
Nonstop10h 25mAustrian Airlines
Deal found 27/3£399
Tue 16/406:30LHR - SFO
1 stop13h 15mVirgin Atlantic
Thu 25/422:10SFO - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 27/3£401
Fri 12/406:30LHR - SFO
1 stop13h 15mVirgin Atlantic
Thu 18/417:01SFO - LHR
Nonstop10h 19mVirgin Atlantic
Deal found 27/3£402

Direct flights to San Francisco from London

Discover direct flight options from London to San Francisco. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 961,883 searches. Data last updated 28 March 2024.
For a quicker trip, book one of these direct flights from London to San Francisco. Select from other flights from London to San Francisco by using the search form above.
Fri 19/410:25LHR - SFO
Nonstop10h 55mBrussels Airlines
Sun 28/419:45SFO - LHR
Nonstop10h 25mBrussels Airlines
Deal found 28/3£398
Mon 15/412:20LHR - SFO
Nonstop11h 00mAustrian Airlines
Tue 23/419:45SFO - LHR
Nonstop10h 25mAustrian Airlines
Deal found 27/3£399
Fri 19/411:45LHR - SFO
Nonstop11h 00mVirgin Atlantic
Tue 23/422:10SFO - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 27/3£406
Fri 12/411:45LHR - SFO
Nonstop11h 00mVirgin Atlantic
Thu 18/417:01SFO - LHR
Nonstop10h 19mVirgin Atlantic
Deal found 27/3£407
Tue 9/411:45LHR - SFO
Nonstop11h 00mVirgin Atlantic
Wed 24/422:10SFO - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 27/3£408
Mon 8/410:25LHR - SFO
Nonstop10h 55mLufthansa
Mon 22/412:35SFO - LHR
Nonstop10h 20mLufthansa
Deal found 28/3£416
Mon 8/416:15LHR - SFO
Nonstop11h 00mLufthansa
Mon 22/412:35SFO - LHR
Nonstop10h 20mLufthansa
Deal found 27/3£417
Mon 8/410:25LHR - SFO
Nonstop10h 55mAustrian Airlines
Mon 22/419:45SFO - LHR
Nonstop10h 25mAustrian Airlines
Deal found 28/3£419
Mon 8/417:15LHR - SFO
Nonstop11h 00mVirgin Atlantic
Mon 22/417:01SFO - LHR
Nonstop10h 19mVirgin Atlantic
Deal found 28/3£421

London to San Francisco flights leaving soon

Find last-minute flight options from London to San Francisco for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 961,883 searches. Data last updated 28 March 2024.
Check out these flights departing soon from London to San Francisco. Users should examine the flight details to ensure there are no surprises.
Fri 5/406:40LHR - SFO
1 stop17h 10mScandinavian Airlines
Mon 22/417:40SFO - LHR
1 stop14h 20mScandinavian Airlines
Deal found 27/3£416
Fri 5/406:40LHR - SFO
1 stop17h 10mScandinavian Airlines
Sun 21/417:40SFO - LHR
1 stop17h 50mScandinavian Airlines
Deal found 26/3£420
Fri 5/406:40LHR - SFO
1 stop17h 10mScandinavian Airlines
Mon 22/417:40SFO - LHR
1 stop16h 00mScandinavian Airlines
Deal found 27/3£423
Fri 5/411:45LHR - SFO
2 stops21h 08mVirgin Atlantic
Mon 22/411:55SFO - LHR
1 stop15h 15mVirgin Atlantic
Deal found 27/3£440
Fri 5/414:05LHR - SFO
1 stop15h 27mMultiple Airlines
Mon 22/412:35SFO - LHR
Nonstop10h 20mMultiple Airlines
Deal found 27/3£443
Fri 5/416:15LHR - SFO
Nonstop11h 00mMultiple Airlines
Mon 22/413:10SFO - LHR
1 stop16h 10mMultiple Airlines
Deal found 27/3£444
Fri 5/408:30LHR - SFO
1 stop14h 57mMultiple Airlines
Mon 22/416:00SFO - LHR
Nonstop10h 25mMultiple Airlines
Deal found 27/3£446
Fri 5/416:15LHR - SFO
Nonstop11h 00mLufthansa
Mon 22/416:00SFO - LHR
Nonstop10h 25mLufthansa
Deal found 27/3£447
Fri 5/412:20LHR - SFO
Nonstop11h 00mMultiple Airlines
Sun 21/422:00SFO - LHR
1 stop26h 35mMultiple Airlines
Deal found 26/3£448

One-way flights to San Francisco from London

Search for one-way flight options from London to San Francisco. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 961,883 searches. Data last updated 28 March 2024.
Some of the best available deals we've found on one-way flights from London to San Francisco. Users in need of a round-trip flight from London to San Francisco instead should update the search form at the top of page.
Tue 7/515:15LTN - SFO
2 stops40h 50mMultiple Airlines
Deal found 27/3£223
Wed 8/506:05LTN - SFO
2 stops26h 00mMultiple Airlines
Deal found 27/3£234
Mon 15/419:50LTN - SFO
3 stops59h 09mMultiple Airlines
Deal found 27/3£238
Sun 25/806:50LTN - SFO
2 stops46h 30mMultiple Airlines
Deal found 27/3£242
Mon 15/419:50LTN - SFO
3 stops59h 09mMultiple Airlines
Deal found 27/3£246
Mon 6/506:05LTN - SFO
2 stops33h 57mMultiple Airlines
Deal found 27/3£247
Mon 22/406:00LTN - SFO
3 stops44h 01mMultiple Airlines
Deal found 27/3£261
Mon 22/406:00LTN - SFO
3 stops44h 01mMultiple Airlines
Deal found 27/3£266
Wed 10/419:00LTN - SFO
3 stops56h 50mMultiple Airlines
Deal found 27/3£271

Find flights from London to San Francisco within your budget

Customise your flight search to find flights from London to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 961,883 searches. Data last updated 28 March 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£399 - £424

Route

Depart

Return

Price

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 19/4

Nonstop10h 55m

San Francisco

Sun 28/4

Nonstop10h 20m

£399

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 16/4

1 stop13h 15m

San Francisco

Thu 25/4

Nonstop10h 20m

£401

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 21/4

1 stop15h 27m

San Francisco

Sun 28/4

Nonstop10h 20m

£403

London GatwickSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 25/4

2 stops39h 45m

San Francisco

Mon 29/4

1 stop17h 55m

£410

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 11/4

1 stop17h 22m

San Francisco

Wed 24/4

1 stop14h 00m

£410

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 5/4

1 stop17h 10m

San Francisco

Mon 22/4

1 stop14h 20m

£416

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 8/4

Nonstop11h 00m

San Francisco

Mon 22/4

Nonstop10h 20m

£417

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 11/4

1 stop17h 55m

San Francisco

Wed 24/4

Nonstop10h 30m

£421

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 16/4

1 stop13h 15m

San Francisco

Wed 24/4

1 stop22h 30m

£424

Flights are sorted by cheapest first

Deals found on 27/3

When is the best time to book a flight from London to San Francisco?

Use this chart to determine the optimal time to book a return flight from London to San Francisco. Price data was last updated on 28 January 2024.
To ensure you get the cheapest price possible for a flight from London to San Francisco, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from London to San Francisco?

Use this chart to determine the cheapest time to fly return from London to San Francisco. Price data was last updated on 24 March 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their London to San Francisco flight should consider departing on Wednesday at midday when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Francisco by month

Plan your trip from London to San Francisco by taking into account the cheapest months to travel. The average price of a one-way flight from London to San Francisco is currently £248 while a return flight costs £411. Price data was last updated on 24 March 2024.

Currently, February is the cheapest month in which you can book a flight from London to San Francisco (average of £529). Flying from London to San Francisco in July is currently the most expensive (average of £749). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

£427

February

£419

March

£448

April

£439

May

£450

June

£554

July

£593

August

£523

September

£470

October

£475

November

£433

December

£451

Temperature and rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature and rainfall totals by month.

SFO

Temperature

11 - 17 °C

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 28 March 2024.
Get a feel of what it's like to fly with Delta, ITA Airways and Virgin Atlantic from London to San Francisco by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
11,418 reviews

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

7.9

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

8.1
Very Good
11,418 reviews
8.1
Very Good
11,418 reviews

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

7.9

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.9
Good
1,691 reviews
8.1
Very Good
11,418 reviews

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

7.9

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.8
Good
2,150 reviews
8.1
Very Good
11,418 reviews

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

7.9

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.8
Good
1,379 reviews
8.1
Very Good
11,418 reviews

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

7.9

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.7
Good
4,840 reviews
8.1
Very Good
11,418 reviews

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

7.9

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Related info for your journey

Find useful and relevant information for your journey from London to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San Francisco from London?

    San Francisco (SFO) is the airport you will fly into if you book a flight from London to San Francisco. You should not have trouble finding flights to San Francisco from London; the airport handles an average of 31 inbound flights from London per day. You should also have plenty of airline options to choose from since 20 airlines have flights to the San Francisco airport from London. It is only a 11.8 mi journey from San Francisco (SFO) to San Francisco’s city center.

  • Can I find flights from London to San Francisco for under £400 on Cheapflights?

    Yes, there are multiple flights from London to San Francisco for under £400. The cheapest flight booked recently is on Brussels Airlines for just £399, but on average you can expect to pay £409.

  • Are there nonstop flights from London to San Francisco for under £400 on Cheapflights?

    Cheapflights has at least 20 direct flights from London to San Francisco under £400. A good price for a nonstop flight from London to San Francisco is less than £421.

  • Are there last-minute flights available from London to San Francisco for under £500?

    There are currently 20+ open flights from London to San Francisco within the next 7 days for less than £500.

  • What days are direct flights available from London to San Francisco?

    Days when direct flights are available for this flight are: Sunday, Friday, Saturday.

  • How many flights depart from London to San Francisco on average per day?

    11 flight departures from London to San Francisco per day on average.
    Morning (6am - Midday) - 9% of flight departures
    Afternoon (Midday - 6pm) - 91% of flight departures

  • How long is the flight from London to San Francisco?

    There are many flights that can get you from London to San Francisco in 10h 55m. Fly via Brussels Airlines, Virgin Atlantic, or American Airlines to get the fastest option. London and San Francisco are separated by a distance of 5383 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from London to San Francisco round-trip?

    Flying on Brussels Airlines is currently your cheapest option to San Francisco, with prices starting at £399. Additional return tickets that might be worth considering are offered by Virgin Atlantic and American Airlines, with the lowest prices starting at £401 and £410, respectively. Brussels Airlines is priced at 17% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from London to San Francisco?

  • What are the most popular airlines that fly from London to San Francisco?

  • What are the most reliable airlines from London to San Francisco?

    Consider KLM (85%), Air France (85%) or Delta (85%) when booking your flight. These represent the most reliable airlines when flying from London to San Francisco.

  • What are the cheapest flights from London to San Francisco?

    The cheapest flight price from London to San Francisco is £424. On average you can expect to pay £1,534. The most popular route, (London Heathrow - San Francisco), can usually be booked for £398.

  • What does LHR to SFO mean?

    London Heathrow Airport is LHR and San Francisco Airport is SFO. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

  • Where are the most common stopover locations when flying from London to San Francisco?

  • What are some popular things to do or see while on a stopover in Dublin?

    Dublin Zoo, Bord Gáis Energy Theatre, and Vicar Street are currently the most popular points of interest in Dublin at the moment. Dublin Zoo, Bord Gáis Energy Theatre, and Vicar Street can be accessed by travelling approximately 5.4 mi, 5.7 mi, and 5.9 mi, respectively from Dublin. Travellers can book a car hire at Dublin for about £20 per day to make their sightseeing more efficient.

  • Where are the least popular stopover locations for London to San Francisco flights?

  • Can I find deals for flights from London to San Francisco that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from London to San Francisco with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from London to San Francisco that include hotel bookings?

    Yes. In addition to deals on London to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

  • Can I find deals for business class flights from London to San Francisco?

    Yes. Cheapflights offers flight deals from London to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from London to San Francisco that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • How recently were the London to San Francisco flight deals updated?

    The London to San Francisco flight deals you see on this page were last updated on 28/3.

  • What are the most eco-friendly airlines from London to San Francisco?

    If you are looking for flights to San Francisco from London that are eco-friendly, there are a couple of airlines that we can recommend. The recommended airlines are Brussels Airlines, Finnair, Jetblue and Singapore Airlines. If you choose to fly with Brussels Airlines, you will be flying with an airline that trains its pilots only to use one engine during taxiing and limited flaps while landing. This saves a lot of fuel. The fleet of aircraft for long-haul flights has also been replaced with models consuming 3.1% less fuel. Finnair is another great option for sustainable travel. They plan to cut their carbon emissions by 2025 by 50% from 2019’s level. This airline is also working on sustainable catering. Jetblue uses Airbus A320neos which improve fuel economy by 15%. This airline also uses Sharklets, which are wing tip devices that improve aerodynamics and reduce carbon emissions by 4%. Singapore Airlines is another great airline to fly with for eco-friendly travel. This airline is working on sustainable fuel and regularly replaces its planes with newer models that consume less fuel.

  • How to fly more sustainably from London to San Francisco?

    There are many great ways to travel more sustainably to San Francisco from London. One of the best ways you can do this is by taking a direct flight. Taking a direct flight uses less fuel than taking a flight route with more than one stopover. If you can, you should also fly in economy class. The economy class takes up less room in the aircraft and therefore can hold more passengers. Another great eco-friendly way to travel is by packing light. The lighter you pack, the less fuel the aircraft will use. Flying with an airline that has sustainable travel methods in place is super beneficial for the planet. If you have the option, try to fly with Brussels Airlines, Finnair, Jetblue or Singapore Airlines.

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Fly from London to San Francisco on these airlines
Choose from the following airlines for your flight from London to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 28 March 2024.

Top 10 airlines flying from London to San Francisco

Discover the top 10 airlines that operate flights from London to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 961,883 searches. Data last updated 28 March 2024.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£218Average£412FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Air FranceCheapest£306Average£467FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£319Average£493FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£325Average£499FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£335Average£413FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Brussels AirlinesCheapest£350Average£460FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
American AirlinesCheapest£352Average£484FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£354Average£554FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest£359Average£551FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£362Average£520FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Search flights from London to San Francisco by cabin class

Find flights from London to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from London to San Francisco

Find hourly flight availability from London to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 March 2024.
1%of flight departuresEarly morningMidnight to 6 am
36%of flight departuresMorning6 am to noon
63%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Weekly flight availability from London to San Francisco

Explore weekly flight availability from London to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 28 March 2024.
Monday31daily flights
Tuesday31daily flights
Wednesday31daily flights
Thursday31daily flights
Friday31daily flights
Saturday31daily flights
Sunday31daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London to San Francisco?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to San Francisco for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to San Francisco with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to San Francisco flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to San Francisco become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Can I find deals on last-minute flights from London to San Francisco?

Yes, you can often find last-minute deals on London to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

How can I compare prices from different travel booking sites for flights from London to San Francisco?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from London to San Francisco that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.