What are the cheapest airlines to fly from United Kingdom to San Francisco one-way?

To fly one-way, consider booking your trip with Vueling, which is currently one of the cheapest options available, starting at £285. WestJet flights start at £342 while deals on TAP AIR PORTUGAL start at £424 one-way.

What are the most popular routes from United Kingdom to San Francisco?

Most travelers choose London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco when deciding on the best route from United Kingdom to San Francisco.

What are the cheapest flights from United Kingdom to San Francisco?

On average you can expect to pay £1,833 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £335 while the most popular route, (London Heathrow - San Francisco) is currently priced at £341.

What are the most reliable airlines from United Kingdom to San Francisco?

The top 3 most reliable airlines when flying from United Kingdom to San Francisco are Air Canada (90%), Austrian Airlines (90%) and United Airlines (90%).

What are the most popular airlines that fly from United Kingdom to San Francisco?

The most popular airlines flying from United Kingdom to San Francisco are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.

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

To save up to 15% on this flight, we recommend booking at least 8 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from United Kingdom to San Francisco from £448 1-2 weeks out and tickets from £525 for flights departing within the next 72 hours.

What is the cheapest month to fly from United Kingdom to San Francisco?

Our data shows that February tends to be the cheapest month to fly to San Francisco from United Kingdom. Users have commonly found prices around £500 for the month, but tickets can be as low as £334. Due to multiple factors, prepare for potentially higher prices in August.

What airport do you fly into for flights to San Francisco from United Kingdom?

If you book a flight to San Francisco from United Kingdom, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

Can I find deals for flights from United Kingdom to San Francisco that include hotel bookings?

Yes. In addition to deals on United Kingdom to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from United Kingdom to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to San Francisco.

Can I find deals for business class flights from United Kingdom to San Francisco?

Yes. Cheapflights offers flight deals from United Kingdom 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.

£434+ Flights from the United Kingdom to San Francisco

Cheap flight deals from United Kingdom to San Francisco

Round-trip from	£393
One-way from	£263
Popular in	August
Cheapest in	February
Average price	£505
Good round-trip deal	£407 or less
Good one-way deal	£442 or less

Virgin Atlantic
1/9-8/9
2 total stops
65h 20m total
United Kingdom to San Francisco

Search Deals

29/8
2 total stops
35h 44m total
United Kingdom to San Francisco

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£66 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Price to beat on a round-trip flight from United Kingdom to San Francisco.

Search Deals

Price to beat on a one-way flight from United Kingdom to San Francisco.

Search Deals

Find flight deals from United Kingdom to San Francisco

Cheapest flights from United Kingdom to San Francisco
Explore the most affordable flight options available from United Kingdom to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Mon 1/911:45LHR - SFO

1 stop32h 00mVirgin Atlantic

Mon 8/920:55SFO - LHR

1 stop33h 20mVirgin Atlantic

Deal found 9/6£393

Mon 8/909:30LHR - SFO

2 stops19h 48mFinnair

Thu 18/916:37SFO - LHR

1 stop13h 58mFinnair

Deal found 12/6£394

Mon 3/1117:10LHR - SFO

Nonstop10h 20mDelta

Mon 17/1122:20SFO - LHR

Nonstop11h 25mDelta

Deal found 11/6£394

Tue 9/910:45LHR - SFO

Nonstop11h 05mBritish Airways

Tue 16/919:20SFO - LHR

Nonstop10h 25mBritish Airways

Deal found 10/6£395

Thu 4/918:40LGW - SFO

1 stop29h 30mSWISS

Sat 13/919:30SFO - LGW

1 stop14h 20mSWISS

Deal found 12/6£396

Sat 22/1106:00LHR - SFO

1 stop16h 45mTAP AIR PORTUGAL

Fri 28/1119:10SFO - LHR

1 stop15h 45mTAP AIR PORTUGAL

Deal found 11/6£397

Fri 21/1116:40LGW - SFO

1 stop30h 05mTAP AIR PORTUGAL

Sat 29/1116:35SFO - LGW

1 stop33h 15mTAP AIR PORTUGAL

Deal found 12/6£397

Sat 8/1108:40LCY - SFO

1 stop15h 45mSWISS

Sat 15/1119:25SFO - LCY

1 stop33h 25mSWISS

Deal found 13/6£398

Wed 3/910:55LGW - SFO

1 stop21h 04mMultiple Airlines

Wed 8/1011:00SFO - LGW

1 stop15h 55mMultiple Airlines

Deal found 10/6£399

Thu 20/1111:20LGW - SFO

2 stops39h 44mAmerican Airlines

Sat 13/1223:59SFO - LGW

2 stops47h 31mAmerican Airlines

Deal found 12/6£402

Sat 13/908:45LHR - SFO

1 stop15h 25mMultiple Airlines

Sat 20/916:05SFO - LHR

Nonstop10h 20mMultiple Airlines

Deal found 11/6£406

Sun 24/818:35LHR - SFO

1 stop25h 10mKLM

Sat 13/915:00SFO - LHR

1 stop14h 10mKLM

Deal found 10/6£411

Best flights from United Kingdom to San Francisco
Discover carefully curated flight deals from United Kingdom to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2025.

Mon 1/911:45LHR - SFO

1 stop32h 00mVirgin Atlantic

Mon 8/920:55SFO - LHR

1 stop33h 20mVirgin Atlantic

Deal found 9/6£393

Mon 8/909:30LHR - SFO

2 stops19h 48mFinnair

Thu 18/916:37SFO - LHR

1 stop13h 58mFinnair

Deal found 12/6£394

Mon 3/1117:10LHR - SFO

Nonstop10h 20mDelta

Tue 18/1116:05SFO - LHR

Nonstop10h 10mDelta

Deal found 11/6£394

Tue 9/910:45LHR - SFO

Nonstop11h 05mBritish Airways

Tue 16/919:20SFO - LHR

Nonstop10h 25mBritish Airways

Deal found 10/6£395

Thu 4/918:40LGW - SFO

1 stop29h 30mSWISS

Sat 13/919:30SFO - LGW

1 stop14h 20mSWISS

Deal found 12/6£396

Sat 22/1106:00LHR - SFO

1 stop16h 45mTAP AIR PORTUGAL

Fri 28/1119:10SFO - LHR

1 stop15h 45mTAP AIR PORTUGAL

Deal found 11/6£397

Wed 3/910:55LGW - SFO

1 stop21h 04mMultiple Airlines

Wed 8/1011:00SFO - LGW

1 stop15h 55mMultiple Airlines

Deal found 10/6£399

Thu 20/1111:20LGW - SFO

2 stops39h 44mAmerican Airlines

Sat 13/1223:59SFO - LGW

2 stops47h 31mAmerican Airlines

Deal found 12/6£402

Tue 2/909:30LHR - SFO

1 stop14h 30mLufthansa

Tue 9/913:55SFO - LHR

1 stop13h 50mLufthansa

Deal found 11/6£409

Sun 24/818:35LHR - SFO

1 stop25h 10mKLM

Sat 13/915:00SFO - LHR

1 stop14h 10mKLM

Deal found 10/6£411

Wed 10/921:05LHR - SFO

2 stops27h 25mScandinavian Airlines

Wed 8/1019:40SFO - LHR

1 stop14h 00mScandinavian Airlines

Deal found 10/6£414

Sat 13/914:05LHR - SFO

1 stop14h 31mAir Canada

Sat 20/916:35SFO - LHR

2 stops53h 55mAir Canada

Deal found 11/6£422

Direct flights from United Kingdom to San Francisco
Explore direct flight options from United Kingdom to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 June 2025.

Mon 3/1117:10LHR - SFO

Nonstop10h 20mDelta

Tue 18/1116:05SFO - LHR

Nonstop10h 10mDelta

Deal found 11/6£394

Tue 9/910:45LHR - SFO

Nonstop11h 05mBritish Airways

Tue 16/919:20SFO - LHR

Nonstop10h 25mBritish Airways

Deal found 10/6£395

Fri 5/910:35LHR - SFO

Nonstop11h 05mLufthansa

Sun 14/913:05SFO - LHR

Nonstop10h 20mLufthansa

Deal found 13/6£400

Sat 23/811:15LHR - SFO

Nonstop11h 00mVirgin Atlantic

Thu 11/921:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 12/6£406

Thu 18/911:15LHR - SFO

Nonstop11h 00mAir France

Thu 25/921:20SFO - LHR

Nonstop10h 20mAir France

Deal found 10/6£419

Thu 21/816:15LHR - SFO

Nonstop10h 55mBrussels Airlines

Thu 4/913:05SFO - LHR

Nonstop10h 20mBrussels Airlines

Deal found 13/6£439

Thu 30/1010:05LHR - SFO

Nonstop11h 15mAustrian Airlines

Fri 7/1112:50SFO - LHR

Nonstop10h 35mAustrian Airlines

Deal found 13/6£452

Tue 24/611:15LHR - SFO

Nonstop11h 00mKLM

Tue 15/716:05SFO - LHR

Nonstop10h 20mKLM

Deal found 11/6£461

Mon 3/1110:05LHR - SFO

Nonstop11h 15mUnited Airlines

Fri 21/1112:50SFO - LHR

Nonstop10h 35mUnited Airlines

Deal found 11/6£473

Thu 13/1111:45LHR - SFO

Nonstop11h 15mAmerican Airlines

Sun 23/1117:30SFO - LHR

Nonstop10h 30mAmerican Airlines

Deal found 13/6£498

Wed 2/712:20LHR - SFO

Nonstop11h 00mMultiple Airlines

Sun 13/716:00SFO - LHR

Nonstop10h 25mMultiple Airlines

Deal found 11/6£599

Last-minute flights from United Kingdom to San Francisco
Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 13 June 2025 and is based on user searches.

Thu 12/612:00LGW - SFO

1 stop21h 45mDelta

Wed 25/605:35SFO - LGW

2 stops44h 25mDelta

Deal found 10/6£468

Fri 13/612:00LGW - SFO

1 stop16h 57mAir France

Tue 8/711:30SFO - LGW

1 stop14h 30mAir France

Deal found 10/6£438

Fri 13/610:55LGW - SFO

1 stop16h 48mMultiple Airlines

Tue 29/716:03SFO - LGW

1 stop34h 52mMultiple Airlines

Deal found 12/6£445

Mon 16/612:20LGW - SFO

2 stops42h 18mAmerican Airlines

Mon 30/605:42SFO - LGW

2 stops42h 53mAmerican Airlines

Deal found 10/6£430

Mon 16/610:45LHR - SFO

Nonstop11h 05mAmerican Airlines

Mon 23/609:10SFO - LHR

1 stop14h 50mAmerican Airlines

Deal found 10/6£454

Tue 17/620:55LHR - SFO

1 stop22h 50mKLM

Mon 23/613:48SFO - LHR

1 stop15h 42mKLM

Deal found 10/6£421

Tue 17/606:30LHR - SFO

1 stop13h 15mDelta

Tue 24/605:35SFO - LHR

1 stop20h 15mDelta

Deal found 9/6£441

Tue 17/612:00LGW - SFO

1 stop16h 57mVirgin Atlantic

Mon 23/606:15SFO - LGW

2 stops19h 45mVirgin Atlantic

Deal found 10/6£428

Wed 18/606:30LHR - SFO

1 stop13h 15mVirgin Atlantic

Wed 16/721:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 11/6£417

Wed 18/608:40LHR - SFO

2 stops19h 17mAir Canada

Wed 16/708:30SFO - LHR

1 stop17h 30mAir Canada

Deal found 11/6£440

Wed 18/614:15LHR - SFO

Nonstop11h 10mAmerican Airlines

Wed 25/616:14SFO - LHR

1 stop14h 11mAmerican Airlines

Deal found 10/6£448

Thu 19/606:00LHR - SFO

1 stop18h 10mMultiple Airlines

Sat 5/706:00SFO - LHR

1 stop15h 55mMultiple Airlines

Deal found 12/6£434

One-way flights from United Kingdom to San Francisco
Search for one-way flight options from United Kingdom to San Francisco. Find affordable one-way fares based on user searches. Data last updated 13 June 2025.

Fri 29/820:15MAN - SFO

2 stops35h 44mMultiple Airlines

Deal found 10/6£263

Fri 29/820:45MAN - SFO

1 stop29h 25mVueling

Deal found 10/6£285

Sat 6/906:20EDI - SFO

2 stops43h 50mMultiple Airlines

Deal found 12/6£335

Sun 13/709:40EDI - SFO

2 stops37h 08mWestJet

Deal found 11/6£342

Wed 9/706:45GLA - SFO

3 stops36h 30mMultiple Airlines

Deal found 12/6£407

Sun 27/706:50LTN - SFO

3 stops58h 40mMultiple Airlines

Deal found 11/6£424

Sun 31/819:50LHR - SFO

1 stop26h 40mTAP AIR PORTUGAL

Deal found 11/6£424

Wed 9/708:30STN - SFO

3 stops33h 00mMultiple Airlines

Deal found 11/6£424

Sun 22/620:50LHR - SFO

2 stops49h 00mMultiple Airlines

Deal found 11/6£425

Mon 11/810:35LGW - SFO

3 stops45h 15mMultiple Airlines

Deal found 11/6£425

Fri 29/810:45LHR - SFO

Nonstop11h 05mBritish Airways

Deal found 11/6£425

Wed 18/616:25LGW - SFO

1 stop29h 10mTAP AIR PORTUGAL

Deal found 12/6£426

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 1/9

11:45-11:45

1 stop32h 00m

San Francisco

Mon 8/9

20:55-14:15

1 stop33h 20m

£393

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 8/9

09:30-21:18

2 stops19h 48m

San Francisco

Thu 18/9

16:37-14:35

1 stop13h 58m

£394

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 3/11

17:10-19:30

Nonstop10h 20m

San Francisco

Tue 18/11

16:05-10:15

Nonstop10h 10m

£394

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 9/9

10:45-13:50

Nonstop11h 05m

San Francisco

Tue 16/9

19:20-13:45

Nonstop10h 25m

£395

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 4/9

18:40-16:10

1 stop29h 30m

San Francisco

Sat 13/9

19:30-17:50

1 stop14h 20m

£396

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 22/11

06:00-14:45

1 stop16h 45m

San Francisco

Fri 28/11

19:10-18:55

1 stop15h 45m

£397

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 21/11

16:40-14:45

1 stop30h 05m

San Francisco

Sat 29/11

16:35-09:50

1 stop33h 15m

£397

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Sat 8/11

08:40-16:25

1 stop15h 45m

San Francisco

Sat 15/11

19:25-12:50

1 stop33h 25m

£398

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 3/9

10:55-23:59

1 stop21h 04m

San Francisco

Wed 8/10

11:00-10:55

1 stop15h 55m

£399

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 20/11

11:20-19:04

2 stops39h 44m

San Francisco

Sat 13/12

23:59-07:30

2 stops47h 31m

£402

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 60 results

...

Best time to book a flight from United Kingdom to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from United Kingdom with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to San Francisco

What is the cheapest month to book a flight from United Kingdom to San Francisco?

Currently, February is the cheapest month in which you can book a flight from United Kingdom to San Francisco (average of £538). Flying from United Kingdom to San Francisco in July is currently the most expensive (average of £803). 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.

What is the cheapest time of day to fly from GB to SFO?

When flying from United Kingdom to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to San Francisco

The most flights from GB0 to SFO are scheduled on a Monday (42 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (36 on average).

Rainfall in San Francisco by month

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown Delta, Air New Zealand and KLM from United Kingdom to San Francisco. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

7,946 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air New Zealand

8.0

Very Good

483 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Transat

7.8

Good

396 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines

7.6

Good

802 reviews

Delta

8.0

Very Good

7,946 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to San Francisco from United Kingdom?
If you book a flight to San Francisco from United Kingdom, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.
What are the cheapest airlines to fly from United Kingdom to San Francisco one-way?
To fly one-way, consider booking your trip with Vueling, which is currently one of the cheapest options available, starting at £285. WestJet flights start at £342 while deals on TAP AIR PORTUGAL start at £424 one-way.
What are the most popular routes from United Kingdom to San Francisco?
Most travelers choose London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco when deciding on the best route from United Kingdom to San Francisco.
What are the most reliable airlines from United Kingdom to San Francisco?
The top 3 most reliable airlines when flying from United Kingdom to San Francisco are Air Canada (90%), Austrian Airlines (90%) and United Airlines (90%).
What are the cheapest flights from United Kingdom to San Francisco?
On average you can expect to pay £1,833 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £335 while the most popular route, (London Heathrow - San Francisco) is currently priced at £341.
Can I find deals for flights from United Kingdom to San Francisco that include hotel bookings?
Yes. In addition to deals on United Kingdom to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to San Francisco.
Can I find deals for business class flights from United Kingdom to San Francisco?
Yes. Cheapflights offers flight deals from United Kingdom 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.
What is the cheapest month to book a flight from United Kingdom to San Francisco?
Currently, February is the cheapest month in which you can book a flight from United Kingdom to San Francisco (average of £538). Flying from United Kingdom to San Francisco in July is currently the most expensive (average of £803). 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.

See more FAQs

Santa Cruz

Vallejo

Newark

South San Francisco

Pacific Grove

Union City

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from United Kingdom to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£235	Average£540	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	Cheapest£275	Average£562	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
TAP AIR PORTUGAL	Cheapest£341	Average£518	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
SWISS	Cheapest£347	Average£520	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
United Airlines	Cheapest£352	Average£575	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Scandinavian Airlines	Cheapest£352	Average£532	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Virgin Atlantic	Cheapest£358	Average£548	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£360	Average£572	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Brussels Airlines	Cheapest£362	Average£488	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
KLM	Cheapest£366	Average£578	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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

Cheapflights makes it easy to find United Kingdom to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to San Francisco.

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

Yes, we can. To see specific flights from United Kingdom to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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!

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Cheap flights from the United Kingdom to San Francisco from £263

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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to San Francisco

Keep the following information in mind while searching for United Kingdom to San Francisco flight deals. Data was last updated 13 June 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from United Kingdom to San Francisco

Cheapest flights from United Kingdom to San FranciscoExplore the most affordable flight options available from United Kingdom to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Explore the most affordable flight options available from United Kingdom to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to San Francisco that are best for you.

Best time to book a flight from United Kingdom to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from United Kingdom with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to San Francisco

What is the cheapest month to book a flight from United Kingdom to San Francisco?

What is the cheapest time of day to fly from GB to SFO?

Find hourly flight availability from United Kingdom 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 13 June 2025.

Weekly flight availability from United Kingdom to San Francisco

Rainfall in San Francisco by month

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

Temperature in San Francisco by month

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

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown Delta, Air New Zealand and KLM from United Kingdom to San Francisco. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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What are the cheapest airlines to fly from United Kingdom to San Francisco one-way?

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What are the cheapest flights from United Kingdom to San Francisco?

Can I find deals for flights from United Kingdom to San Francisco that include hotel bookings?

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Top 10 airlines flying from United Kingdom to San Francisco

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Cheapest flights from United Kingdom to San Francisco
Explore the most affordable flight options available from United Kingdom to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.