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

To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £396. JetBlue flights start at £400 while deals on Iberia start at £403 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 £1,937 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £400 while the most popular route, (London Heathrow - San Francisco) is currently priced at £350.

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 17% 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 £452 1-2 weeks out and tickets from £542 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 £503 for the month, but tickets can be as low as £337. 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.

£228+ Flights from the United Kingdom to San Francisco

Cheap flight deals from United Kingdom to San Francisco

Round-trip from	£380
One-way from	£228
Popular in	July
Cheapest in	February
Average price	£667
Good round-trip deal	£499 or less
Good one-way deal	£589 or less

British Airways
27/8-10/9
2 total stops
36h 55m total
United Kingdom to San Francisco

Search Deals

25/9
2 total stops
59h 07m total
United Kingdom to San Francisco

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£78 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 15 July 2025.

Wed 27/805:50GLA - SFO

1 stop19h 35mBritish Airways

Wed 10/916:30SFO - GLA

1 stop17h 20mBritish Airways

Deal found 14/7£380

Tue 4/1108:55LHR - SFO

2 stops19h 55mMultiple Airlines

Sun 9/1108:38SFO - LHR

1 stop17h 32mMultiple Airlines

Deal found 13/7£399

Sun 7/918:40LGW - SFO

1 stop29h 30mSWISS

Sun 14/919:30SFO - LGW

1 stop14h 20mSWISS

Deal found 14/7£399

Sun 24/806:30LHR - SFO

1 stop21h 20mUnited Airlines

Tue 9/913:05SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 14/7£400

Mon 13/1016:25LGW - SFO

1 stop29h 10mTAP AIR PORTUGAL

Sat 25/1019:35SFO - LGW

2 stops18h 05mTAP AIR PORTUGAL

Deal found 14/7£400

Wed 10/914:15LHR - SFO

Nonstop11h 10mBritish Airways

Thu 18/916:30SFO - LHR

Nonstop10h 25mBritish Airways

Deal found 13/7£401

Tue 16/908:45LHR - SFO

2 stops18h 53mAir Canada

Sat 27/908:40SFO - LHR

2 stops16h 55mAir Canada

Deal found 14/7£403

Fri 19/911:35LGW - SFO

2 stops20h 24mBritish Airways

Fri 26/910:22SFO - LGW

1 stop13h 48mBritish Airways

Deal found 13/7£403

Mon 24/1109:15LCY - SFO

1 stop15h 10mSWISS

Sat 6/1219:25SFO - LCY

1 stop33h 25mSWISS

Deal found 13/7£403

Sun 7/1219:25LHR - SFO

2 stops32h 19mAustrian Airlines

Sat 31/108:25SFO - LHR

1 stop18h 25mAustrian Airlines

Deal found 14/7£404

Sat 6/916:15LHR - SFO

Nonstop11h 00mBrussels Airlines

Sat 20/916:05SFO - LHR

Nonstop10h 20mBrussels Airlines

Deal found 13/7£406

Sun 24/816:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Tue 9/921:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 14/7£409

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 15 July 2025.

Wed 27/805:50GLA - SFO

1 stop19h 35mBritish Airways

Wed 10/916:30SFO - GLA

1 stop17h 20mBritish Airways

Deal found 14/7£380

Tue 4/1108:55LHR - SFO

2 stops19h 55mMultiple Airlines

Sun 9/1108:38SFO - LHR

1 stop17h 32mMultiple Airlines

Deal found 13/7£399

Sun 7/918:40LGW - SFO

1 stop29h 30mSWISS

Sun 14/919:30SFO - LGW

1 stop14h 20mSWISS

Deal found 14/7£399

Sun 24/806:30LHR - SFO

1 stop21h 20mUnited Airlines

Tue 9/913:05SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 14/7£400

Mon 13/1016:25LGW - SFO

1 stop29h 10mTAP AIR PORTUGAL

Sat 25/1019:35SFO - LGW

2 stops18h 05mTAP AIR PORTUGAL

Deal found 14/7£400

Tue 16/908:45LHR - SFO

2 stops18h 53mAir Canada

Sat 27/908:40SFO - LHR

2 stops16h 55mAir Canada

Deal found 14/7£403

Sun 7/1219:25LHR - SFO

2 stops32h 19mAustrian Airlines

Sat 31/108:25SFO - LHR

1 stop18h 25mAustrian Airlines

Deal found 14/7£404

Sat 6/916:15LHR - SFO

Nonstop11h 00mBrussels Airlines

Sat 20/916:05SFO - LHR

Nonstop10h 20mBrussels Airlines

Deal found 13/7£406

Sun 24/816:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Tue 9/921:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 14/7£409

Mon 8/919:30LHR - SFO

1 stop29h 00mScandinavian Airlines

Sun 11/116:40SFO - LHR

1 stop15h 20mScandinavian Airlines

Deal found 14/7£414

Fri 19/910:40LGW - SFO

2 stops20h 35mAmerican Airlines

Fri 26/906:00SFO - LGW

2 stops18h 10mAmerican Airlines

Deal found 13/7£420

Sun 24/816:15LHR - SFO

Nonstop10h 55mLufthansa

Tue 9/919:55SFO - LHR

Nonstop10h 15mLufthansa

Deal found 14/7£423

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 15 July 2025.

Wed 10/914:15LHR - SFO

Nonstop11h 10mBritish Airways

Thu 18/916:30SFO - LHR

Nonstop10h 25mBritish Airways

Deal found 13/7£401

Sun 9/1113:45LHR - SFO

Nonstop11h 15mLufthansa

Sat 22/1117:25SFO - LHR

Nonstop10h 35mLufthansa

Deal found 14/7£403

Sat 6/916:15LHR - SFO

Nonstop11h 00mBrussels Airlines

Sat 20/916:05SFO - LHR

Nonstop10h 20mBrussels Airlines

Deal found 13/7£406

Sun 24/816:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Tue 9/921:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 14/7£409

Sun 24/816:15LHR - SFO

Nonstop10h 55mUnited Airlines

Tue 9/916:05SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 13/7£417

Tue 9/912:20LHR - SFO

Nonstop11h 05mAustrian Airlines

Fri 19/919:55SFO - LHR

Nonstop10h 15mAustrian Airlines

Deal found 14/7£420

Thu 4/916:25LHR - SFO

Nonstop11h 05mDelta

Fri 6/216:05SFO - LHR

Nonstop10h 10mDelta

Deal found 14/7£438

Wed 27/816:25LHR - SFO

Nonstop11h 05mKLM

Wed 3/921:20SFO - LHR

Nonstop10h 20mKLM

Deal found 12/7£441

Wed 13/816:25LHR - SFO

Nonstop11h 05mAir France

Fri 28/1116:05SFO - LHR

Nonstop10h 10mAir France

Deal found 13/7£460

Wed 20/812:20LHR - SFO

Nonstop11h 00mMultiple Airlines

Sun 24/813:00SFO - LHR

Nonstop10h 25mMultiple Airlines

Deal found 14/7£461

Last-minute flights from United Kingdom to San Francisco
Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 15 July 2025 and is based on user searches.

Sat 19/706:15LHR - SFO

1 stop17h 55mAmerican Airlines

Mon 3/1117:30SFO - LHR

Nonstop10h 30mAmerican Airlines

Deal found 13/7£616

Sat 19/706:15LHR - SFO

1 stop17h 55mBritish Airways

Thu 18/905:45SFO - LHR

1 stop16h 40mBritish Airways

Deal found 14/7£617

Sun 20/714:45LGW - SFO

1 stop17h 03mBritish Airways

Sat 20/910:22SFO - LGW

1 stop13h 48mBritish Airways

Deal found 13/7£596

Sun 20/716:25LHR - SFO

Nonstop11h 05mDelta

Mon 22/921:20SFO - LHR

Nonstop10h 20mDelta

Deal found 14/7£632

Mon 21/711:30EDI - SFO

1 stop20h 13mJetBlue

Tue 5/806:00SFO - EDI

1 stop19h 15mJetBlue

Deal found 12/7£567

Tue 22/719:30LHR - SFO

1 stop29h 00mScandinavian Airlines

Sun 21/919:40SFO - LHR

1 stop14h 00mScandinavian Airlines

Deal found 14/7£525

Tue 22/712:00LGW - SFO

1 stop16h 53mVirgin Atlantic

Thu 14/811:35SFO - LGW

1 stop14h 25mVirgin Atlantic

Deal found 13/7£611

Tue 22/712:55MAN - SFO

2 stops35h 35mScandinavian Airlines

Tue 29/719:40SFO - MAN

1 stop29h 50mScandinavian Airlines

Deal found 13/7£619

Tue 22/710:35LHR - SFO

Nonstop11h 00mAustrian Airlines

Sun 21/919:55SFO - LHR

Nonstop10h 15mAustrian Airlines

Deal found 13/7£639

Tue 22/712:20LHR - SFO

Nonstop11h 00mLufthansa

Sun 21/913:05SFO - LHR

Nonstop10h 20mLufthansa

Deal found 14/7£640

Wed 23/708:25LHR - SFO

1 stop21h 50mIcelandair

Tue 5/806:00SFO - LHR

1 stop30h 45mIcelandair

Deal found 14/7£489

Thu 24/706:00LHR - SFO

2 stops22h 54mSWISS

Thu 18/919:30SFO - LHR

1 stop28h 25mSWISS

Deal found 14/7£630

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 15 July 2025.

Thu 25/920:45MAN - SFO

2 stops59h 07mMultiple Airlines

Deal found 13/7£228

Mon 22/908:30GLA - SFO

2 stops41h 40mMultiple Airlines

Deal found 14/7£246

Tue 30/920:45EDI - SFO

2 stops53h 25mMultiple Airlines

Deal found 14/7£247

Sat 20/906:05LTN - SFO

3 stops37h 49mMultiple Airlines

Deal found 12/7£396

Mon 1/921:10LHR - SFO

2 stops33h 57mAer Lingus

Deal found 13/7£396

Sat 20/907:00LGW - SFO

3 stops36h 54mMultiple Airlines

Deal found 12/7£396

Fri 19/906:40STN - SFO

2 stops20h 18mMultiple Airlines

Deal found 14/7£396

Thu 9/1017:40SEN - SFO

1 stop35h 10mMultiple Airlines

Deal found 14/7£398

Mon 8/922:25LHR - SFO

3 stops46h 15mMultiple Airlines

Deal found 13/7£400

Fri 26/908:25LHR - SFO

1 stop20h 28mJetBlue

Deal found 14/7£400

Mon 29/921:45MAN - SFO

1 stop28h 25mIberia

Deal found 14/7£403

Tue 16/909:10LGW - SFO

1 stop17h 00mIberia

Deal found 13/7£406

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

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Wed 27/8

05:50-17:25

1 stop19h 35m

San Francisco

Wed 10/9

16:30-17:50

1 stop17h 20m

£380

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 4/11

08:55-20:50

2 stops19h 55m

San Francisco

Sun 9/11

08:38-10:10

1 stop17h 32m

£399

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 7/9

18:40-16:10

1 stop29h 30m

San Francisco

Sun 14/9

19:30-17:50

1 stop14h 20m

£399

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 24/8

06:30-19:50

1 stop21h 20m

San Francisco

Tue 9/9

13:05-07:25

Nonstop10h 20m

£400

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 13/10

16:25-13:35

1 stop29h 10m

San Francisco

Sat 25/10

19:35-20:40

2 stops18h 05m

£400

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 10/9

14:15-17:25

Nonstop11h 10m

San Francisco

Thu 18/9

16:30-10:55

Nonstop10h 25m

£401

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 16/9

08:45-19:38

2 stops18h 53m

San Francisco

Sat 27/9

08:40-09:35

2 stops16h 55m

£403

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 19/9

11:35-23:59

2 stops20h 24m

San Francisco

Fri 26/9

10:22-08:10

1 stop13h 48m

£403

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Mon 6/10

08:10-16:10

1 stop16h 00m

San Francisco

Sat 18/10

19:30-18:45

1 stop15h 15m

£403

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 7/12

19:25-19:44

2 stops32h 19m

San Francisco

Sat 31/1

08:25-05:55

2 stops37h 30m

£404

Flights are sorted by cheapest return flights first.

Deals found on 13/7

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 (43 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (43 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

7,956 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

7,956 reviews

Delta

8.0

Very Good

7,956 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

1,372 reviews

Delta

8.0

Very Good

7,956 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

814 reviews

Delta

8.0

Very Good

7,956 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

1,316 reviews

Delta

8.0

Very Good

7,956 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

1,466 reviews

Delta

8.0

Very Good

7,956 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 Aer Lingus, which is currently one of the cheapest options available, starting at £396. JetBlue flights start at £400 while deals on Iberia start at £403 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 £1,937 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £400 while the most popular route, (London Heathrow - San Francisco) is currently priced at £350.
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£237	Average£563	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
TAP AIR PORTUGAL	Cheapest£348	Average£528	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	Cheapest£349	Average£539	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
SWISS	Cheapest£351	Average£522	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
United Airlines	Cheapest£358	Average£571	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Virgin Atlantic	Cheapest£361	Average£549	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Brussels Airlines	Cheapest£362	Average£485	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
British Airways	Cheapest£364	Average£574	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£369	Average£505	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
KLM	Cheapest£371	Average£572	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 £228

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 25/9. 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 15 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 15 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 15 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 15 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?

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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 15 July 2025.