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Cheap flights from London to San Francisco from £208

This is the cheapest one-way flight price, found on 27/11. Prices may vary by date and flight preferences.
LON — SFO
3 Dec — 10 Dec1
1 adult
Sun 3/12
Sun 10/12

The best prices from London to San Francisco are usually found in February or January, booked 42 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Flights from San Francisco to London

How to find the cheapest flight from London (LON) to San Francisco (SFO)

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 November 2023.

Popular in

July

Cheapest in

February

Round-trip from

£309

One-way from

£208
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

LON - SFO

Price

£390 - £779

SFO

Temperature

11 - 17 °C

SFO

Rainfall

0 - 112 mm

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 at midday, when flights are generally more expensive, you can save up to 5% on flights from London to San Francisco by exploring options for tickets in the morning.

Cheap Scandinavian Airlines flights from London to San Francisco

Explore cheap flight options specifically provided by Scandinavian Airlines 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 895,124 searches. Data last updated 28 November 2023.
Check out some of the cheapest Scandinavian Airlines flights we've come across from London to San Francisco. Deals update often to give you more flight options matching your criteria
  • One of the most popular airlines travelling from London to San Francisco is Scandinavian Airlines. London to San Francisco flights are typically 52% more expensive than other airlines travelling the same route. Flights from Scandinavian Airlines typically cost £742.96 RT. The cheapest Scandinavian Airlines flight found for this route was £495. London Heathrow Airport is the most common London airport to take off from when flying to San Francisco. San Francisco Airport is the most popular arrival airport in San Francisco. When flying from London to San Francisco, Scandinavian Airlines flights are 7% more popular than any other airline flying that same route.

Cheap TAP AIR PORTUGAL flights from London to San Francisco

Explore cheap flight options specifically provided by TAP AIR PORTUGAL 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 895,124 searches. Data last updated 28 November 2023.
Browse through some of the cheapest TAP AIR PORTUGAL flights travelling from London to San Francisco. Check back soon if you're not seeing flights that suit your needs.
  • TAP AIR PORTUGAL is one of the most popular airlines used for those travelling from London to San Francisco. London to San Francisco flights are typically 71% cheaper than other airlines traveling the same route. Flights from TAP AIR PORTUGAL typically cost £496.83 RT. The cheapest TAP AIR PORTUGAL flight found for this route was £386. London Heathrow Airport is the most common London airport to take off from when flying to San Francisco. San Francisco Airport is the most popular arrival airport in San Francisco. When flying from London to San Francisco, TAP AIR PORTUGAL flights are 3% more popular than any other airline flying that same route.

Cheap London to San Francisco flights in November & December 2023

Find cheap flight options from London to San Francisco specifically for the months of November and December 2023. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 895,124 searches. Prices were last updated on 28 November 2023.
Check out some of the best flight deals from London to San Francisco in 2023. For more flight deals, be sure to check back very soon.

London to San Francisco 2023 flight deals

Discover exclusive flight deals for travel between London and San Francisco in 2023. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 895,124 searches. Data last updated 28 November 2023.
Check out some of the best flight deals from London to San Francisco in 2023. For more flight deals, be sure to check back very soon.

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 895,124 searches. Data last updated 28 November 2023.
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.

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 895,124 searches. Data last updated 28 November 2023.
Check out these flights departing soon from London to San Francisco. Users should examine the flight details to ensure there are no surprises.

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 895,124 searches. Data last updated 28 November 2023.
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.

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 895,124 searches. Data last updated 28 November 2023.

Fly from

Any airport

Fly to

Any airport

Budget

£342 - £419

Route

Depart

Return

Price

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 2/2

Nonstop11h 10m

San Francisco

Sun 10/3

Nonstop10h 15m

£342

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 8/2

1 stop16h 55m

San Francisco

Thu 22/2

1 stop16h 50m

£351

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 12/12

1 stop13h 30m

San Francisco

Mon 18/12

1 stop21h 30m

£374

London GatwickSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 15/5

1 stop17h 14m

San Francisco

Wed 22/5

1 stop17h 47m

£376

London GatwickSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 26/2

1 stop14h 40m

San Francisco

Sun 10/3

1 stop13h 05m

£379

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 27/3

Nonstop11h 10m

San Francisco

Wed 24/4

1 stop12h 25m

£390

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 11/12

Nonstop11h 20m

San Francisco

Sun 17/12

1 stop14h 55m

£396

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 9/2

1 stop16h 10m

San Francisco

Fri 16/2

1 stop29h 00m

£402

London GatwickSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 9/2

1 stop14h 40m

San Francisco

Wed 14/2

1 stop13h 22m

£419

Flights are sorted by cheapest first

Deals found on 27/11

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 November 2023.
Get a feel of what it's like to fly with Scandinavian Airlines, TAP AIR PORTUGAL and Aer Lingus 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.
7.9
Good
3,035 reviews

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

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
3,035 reviews
7.9
Good
3,035 reviews

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

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.

7.6
Good
276 reviews
7.9
Good
3,035 reviews

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

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.

7.5
Good
342 reviews
7.9
Good
3,035 reviews

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

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.

7.4
Good
198 reviews
7.9
Good
3,035 reviews

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

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.

7.4
Good
1,897 reviews
7.9
Good
3,035 reviews

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

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 19 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 Virgin Atlantic for just £342, but on average you can expect to pay £350.

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 £353.

Are there last-minute flights available from London to San Francisco for under £400?

There are currently 20+ open flights from London to San Francisco within the next 7 days for less than £400.

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

Days when direct flights are available for this flight are: Tuesday, Wednesday.

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

1 flight departure from London to San Francisco per day on average.
Afternoon (Midday - 6pm) - 100% 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 11h 10m. Fly via Virgin Atlantic or TAP AIR PORTUGAL 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 Virgin Atlantic is currently your cheapest option to San Francisco, with prices starting at £342. Another option worth looking into is TAP AIR PORTUGAL, starting at £351 return. Virgin Atlantic is priced at 29% 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 Air Canada (85%), Austrian Airlines (85%) or United Airlines (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 £361. On average you can expect to pay £1,221. The most popular route, (London Heathrow - San Francisco), can usually be booked for £338.

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 City Airport (LCY), London Luton Airport (LTN), London Southend Airport (SEN).

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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 November 2023.

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 895,124 searches. Data last updated 28 November 2023.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£218Average£414FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
TAP AIR PORTUGALCheapest£293Average£440FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£293Average£444FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£306Average£394FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£315Average£611FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£320Average£512FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£353Average£468FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£357Average£440FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest£362Average£502FlexibilityNo cancel feeOn-time76%