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

To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £381. Aer Lingus flights start at £381 while deals on JetBlue start at £386 one-way.

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.

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).

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 £1,966 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £381 while the most popular route, (London Heathrow - San Francisco) is currently priced at £243.

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 New Zealand (87%), Air Canada (87%) and Austrian Airlines (87%).

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 61 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 £528 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 £498 for the month, but tickets can be as low as £333. Due to multiple factors, prepare for potentially higher prices in July.

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.

£267+ Flights from the United Kingdom to San Francisco

Cheap flight deals from United Kingdom to San Francisco

Round-trip from	£393
One-way from	£267
Popular in	July
Cheapest in	February
Average price	£660
Good round-trip deal	£480 or less
Good one-way deal	£564 or less

Lufthansa
23/8-9/9
2 total stops
31h 10m total
United Kingdom to San Francisco

Search Deals

4/10
2 total stops
22h 59m total
United Kingdom to San Francisco

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£80 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 July 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 8 July 2025.

Sat 23/806:30LHR - SFO

1 stop14h 10mLufthansa

Tue 9/914:40SFO - LHR

1 stop17h 00mLufthansa

Deal found 6/7£393

Wed 17/918:35LGW - SFO

1 stop29h 35mSWISS

Sun 21/919:30SFO - LGW

1 stop14h 20mSWISS

Deal found 7/7£393

Fri 5/908:40LHR - SFO

1 stop15h 30mMultiple Airlines

Sat 20/916:05SFO - LHR

Nonstop10h 20mMultiple Airlines

Deal found 7/7£394

Mon 15/906:30LHR - SFO

2 stops16h 58mUnited Airlines

Fri 26/913:02SFO - LHR

1 stop13h 38mUnited Airlines

Deal found 7/7£394

Thu 21/820:05LHR - SFO

1 stop28h 05mSWISS

Sat 13/919:30SFO - LHR

1 stop18h 15mSWISS

Deal found 7/7£396

Sat 27/914:15LHR - SFO

Nonstop11h 10mBritish Airways

Mon 29/915:59SFO - LHR

1 stop12h 51mBritish Airways

Deal found 7/7£397

Mon 15/915:05LGW - SFO

1 stop37h 27mBritish Airways

Thu 9/1010:12SFO - LGW

1 stop13h 58mBritish Airways

Deal found 5/7£397

Thu 11/909:25LCY - SFO

1 stop14h 45mSWISS

Thu 18/919:30SFO - LCY

1 stop15h 25mSWISS

Deal found 7/7£399

Sat 6/914:05LHR - SFO

1 stop14h 31mAir Canada

Sat 20/916:35SFO - LHR

2 stops53h 55mAir Canada

Deal found 7/7£405

Thu 28/810:45LGW - SFO

1 stop21h 14mMultiple Airlines

Wed 10/905:50SFO - LGW

1 stop21h 05mMultiple Airlines

Deal found 4/7£405

Thu 18/908:45LCY - SFO

1 stop15h 15mMultiple Airlines

Tue 23/919:30SFO - LCY

1 stop33h 00mMultiple Airlines

Deal found 6/7£409

Sun 24/810:35LGW - SFO

1 stop35h 55mTAP AIR PORTUGAL

Tue 9/918:45SFO - LGW

2 stops31h 00mTAP AIR PORTUGAL

Deal found 7/7£410

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 8 July 2025.

Sat 23/806:30LHR - SFO

1 stop14h 10mLufthansa

Tue 9/914:40SFO - LHR

1 stop17h 00mLufthansa

Deal found 6/7£393

Wed 17/918:35LGW - SFO

1 stop29h 35mSWISS

Sun 21/919:30SFO - LGW

1 stop14h 20mSWISS

Deal found 7/7£393

Fri 5/908:40LHR - SFO

1 stop15h 30mUnited Airlines

Sat 20/913:10SFO - LHR

1 stop13h 30mUnited Airlines

Deal found 7/7£394

Sat 30/806:00LHR - SFO

1 stop18h 10mMultiple Airlines

Fri 12/919:55SFO - LHR

Nonstop10h 15mMultiple Airlines

Deal found 7/7£395

Mon 15/915:05LGW - SFO

1 stop37h 27mBritish Airways

Thu 9/1010:12SFO - LGW

1 stop13h 58mBritish Airways

Deal found 5/7£397

Sat 6/914:05LHR - SFO

1 stop14h 31mAir Canada

Sat 20/916:35SFO - LHR

2 stops53h 55mAir Canada

Deal found 7/7£405

Sun 24/810:35LGW - SFO

1 stop35h 55mTAP AIR PORTUGAL

Tue 9/918:45SFO - LGW

2 stops31h 00mTAP AIR PORTUGAL

Deal found 7/7£410

Tue 14/1010:20LHR - SFO

1 stop14h 10mScandinavian Airlines

Thu 23/1019:40SFO - LHR

1 stop14h 00mScandinavian Airlines

Deal found 6/7£413

Sun 24/816:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Tue 9/921:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 7/7£415

Fri 19/910:40LGW - SFO

2 stops20h 35mAmerican Airlines

Sat 27/905:50SFO - LGW

2 stops18h 20mAmerican Airlines

Deal found 5/7£420

Thu 4/906:30LHR - SFO

1 stop13h 15mDelta

Thu 18/913:15SFO - LHR

1 stop14h 10mDelta

Deal found 7/7£424

Fri 5/912:20LHR - SFO

Nonstop11h 05mAustrian Airlines

Mon 8/907:00SFO - LHR

1 stop29h 40mAustrian Airlines

Deal found 7/7£424

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 8 July 2025.

Tue 9/910:45LHR - SFO

Nonstop11h 05mBritish Airways

Sat 27/919:20SFO - LHR

Nonstop10h 25mBritish Airways

Deal found 7/7£398

Thu 11/916:15LHR - SFO

Nonstop11h 00mBrussels Airlines

Sat 20/916:05SFO - LHR

Nonstop10h 20mBrussels Airlines

Deal found 7/7£407

Mon 15/910:35LHR - SFO

Nonstop11h 05mMultiple Airlines

Fri 26/916:05SFO - LHR

Nonstop10h 20mMultiple Airlines

Deal found 7/7£409

Sun 24/816:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Tue 9/921:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 7/7£415

Fri 19/910:35LHR - SFO

Nonstop11h 05mLufthansa

Tue 23/913:05SFO - LHR

Nonstop10h 20mLufthansa

Deal found 7/7£420

Sat 6/916:25LHR - SFO

Nonstop11h 05mDelta

Sun 14/921:20SFO - LHR

Nonstop10h 20mDelta

Deal found 7/7£438

Sun 17/810:35LHR - SFO

Nonstop11h 00mAustrian Airlines

Tue 2/913:05SFO - LHR

Nonstop10h 20mAustrian Airlines

Deal found 7/7£460

Last-minute flights from United Kingdom to San Francisco
Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 8 July 2025 and is based on user searches.

Mon 14/706:30LHR - SFO

1 stop14h 10mLufthansa

Mon 21/721:05SFO - LHR

1 stop14h 35mLufthansa

Deal found 7/7£435

Mon 14/720:00LHR - SFO

1 stop28h 10mIberia

Sat 13/911:32SFO - LHR

1 stop13h 03mIberia

Deal found 5/7£481

Mon 14/709:20LCY - SFO

2 stops35h 33mDelta

Mon 15/913:45SFO - LCY

1 stop33h 30mDelta

Deal found 7/7£502

Tue 15/708:45LHR - SFO

1 stop15h 25mUnited Airlines

Fri 19/919:55SFO - LHR

Nonstop10h 15mUnited Airlines

Deal found 7/7£442

Tue 15/708:45LHR - SFO

1 stop15h 25mMultiple Airlines

Mon 15/907:00SFO - LHR

1 stop14h 55mMultiple Airlines

Deal found 7/7£460

Tue 15/718:35LGW - SFO

1 stop30h 00mSWISS

Mon 15/914:20SFO - LGW

1 stop19h 30mSWISS

Deal found 5/7£462

Tue 15/706:30LHR - SFO

2 stops22h 55mDelta

Thu 14/821:20SFO - LHR

Nonstop10h 20mDelta

Deal found 7/7£469

Tue 15/708:20LHR - SFO

1 stop23h 48mBritish Airways

Tue 12/813:20SFO - LHR

1 stop13h 10mBritish Airways

Deal found 7/7£473

Tue 15/706:00LHR - SFO

1 stop18h 10mSWISS

Mon 15/919:40SFO - LHR

1 stop14h 10mSWISS

Deal found 7/7£478

Tue 15/719:20LCY - SFO

1 stop29h 15mSWISS

Mon 15/919:40SFO - LCY

1 stop29h 10mSWISS

Deal found 5/7£483

Tue 15/710:30LHR - SFO

1 stop16h 13mFinnair

Wed 17/908:00SFO - LHR

1 stop14h 25mFinnair

Deal found 7/7£496

Wed 16/706:40LHR - SFO

1 stop17h 50mScandinavian Airlines

Sat 29/1116:40SFO - LHR

1 stop15h 20mScandinavian Airlines

Deal found 6/7£480

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 8 July 2025.

Sat 4/1006:25EDI - SFO

2 stops22h 59mMultiple Airlines

Deal found 7/7£267

Fri 22/820:15MAN - SFO

2 stops46h 25mMultiple Airlines

Deal found 7/7£326

Tue 19/818:15GLA - SFO

2 stops51h 35mMultiple Airlines

Deal found 7/7£369

Tue 19/807:05LHR - SFO

2 stops37h 35mMultiple Airlines

Deal found 5/7£379

Wed 24/908:30STN - SFO

3 stops35h 24mMultiple Airlines

Deal found 7/7£379

Mon 25/819:50LTN - SFO

1 stop26h 00mMultiple Airlines

Deal found 6/7£380

Sun 24/809:40EDI - SFO

2 stops36h 19mWestJet

Deal found 6/7£381

Fri 14/1107:50LHR - SFO

1 stop15h 45mAer Lingus

Deal found 7/7£381

Sun 21/911:35LGW - SFO

3 stops32h 19mMultiple Airlines

Deal found 6/7£381

Tue 2/910:45LGW - SFO

3 stops33h 09mWestJet

Deal found 6/7£383

Fri 21/1111:30LCY - SFO

3 stops33h 28mMultiple Airlines

Deal found 4/7£385

Sun 21/912:10LGW - SFO

1 stop29h 40mJetBlue

Deal found 7/7£386

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

Sat 23/8

06:30-12:40

1 stop14h 10m

San Francisco

Tue 9/9

14:40-15:40

1 stop17h 00m

£393

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 17/9

18:35-16:10

1 stop29h 35m

San Francisco

Sun 21/9

19:30-17:50

1 stop14h 20m

£393

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 5/9

08:40-16:10

1 stop15h 30m

San Francisco

Sat 20/9

13:10-10:40

1 stop13h 30m

£394

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 30/8

08:45-16:10

1 stop15h 25m

San Francisco

Thu 11/9

19:55-14:10

Nonstop10h 15m

£395

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 21/8

20:05-16:10

1 stop28h 05m

San Francisco

Sat 13/9

19:30-21:45

1 stop18h 15m

£396

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 15/9

15:05-20:32

1 stop37h 27m

San Francisco

Thu 9/10

10:12-08:10

1 stop13h 58m

£397

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Thu 11/9

09:25-16:10

1 stop14h 45m

San Francisco

Thu 18/9

19:30-18:55

1 stop15h 25m

£399

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 27/9

16:55-23:16

1 stop14h 21m

San Francisco

Mon 6/10

19:20-13:45

Nonstop10h 25m

£402

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 6/9

14:05-20:36

1 stop14h 31m

San Francisco

Sat 20/9

16:35-06:30

2 stops53h 55m

£405

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 28/8

10:45-23:59

1 stop21h 14m

San Francisco

Wed 10/9

05:50-10:55

1 stop21h 05m

£405

Flights are sorted by cheapest return flights first.

Deals found on 7/7

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 Monday, which is when the least amount of flights are scheduled (42 on average).

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown with Delta, KLM, andAustrian Airlines from the United Kingdom to San Francisco. 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.

Delta

8.0

Very Good

7,962 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

7,962 reviews

Delta

8.0

Very Good

7,962 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

1,370 reviews

Delta

8.0

Very Good

7,962 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

806 reviews

Delta

8.0

Very Good

7,962 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

Finnair

7.6

Good

1,311 reviews

Delta

8.0

Very Good

7,962 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 France

7.5

Good

1,467 reviews

Delta

8.0

Very Good

7,962 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 WestJet, which is currently one of the cheapest options available, starting at £381. Aer Lingus flights start at £381 while deals on JetBlue start at £386 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 New Zealand (87%), Air Canada (87%) and Austrian Airlines (87%).
What are the cheapest flights from United Kingdom to San Francisco?
On average you can expect to pay £1,966 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £381 while the most popular route, (London Heathrow - San Francisco) is currently priced at £243.
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

Bodega Bay

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£234	Average£551	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
TAP AIR PORTUGAL	Cheapest£342	Average£522	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
SWISS	Cheapest£346	Average£519	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Scandinavian Airlines	Cheapest£347	Average£533	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
United Airlines	Cheapest£353	Average£568	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Virgin Atlantic	Cheapest£356	Average£540	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£359	Average£564	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Brussels Airlines	Cheapest£360	Average£479	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
KLM	Cheapest£363	Average£571	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Finnair	Cheapest£365	Average£499	FlexibilityNo cancel fee	On-time76%	Search Finnair 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.

Can Cheapflights notify me if prices for flights from United Kingdom 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!

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Cheap flights from the United Kingdom to San Francisco from £267

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 4/10. 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 8 July 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 8 July 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 8 July 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 8 July 2025.

Weekly flight availability from United Kingdom to San Francisco

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown with Delta, KLM, andAustrian Airlines from the United Kingdom to San Francisco. 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.

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.

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

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

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

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

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?

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

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

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

Travelling to a place near the United Kingdom?

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.

Alternative routes for United Kingdom to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

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 8 July 2025.