San Francisco

$346+ Cheap flights from the United Kingdom to San Francisco (SFO)

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
ago. 4 — ago. 111
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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 julio 30, 2025.

Round-trip from

$554
(lol.travel)

One-way from

$346
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$891

Good round-trip deal

$703 or less

Good one-way deal

$638 or less
From United Kingdom to San Francisco
One-way flight from United Kingdom to San Francisco
Highest demand for flights based on searches. 16% potential increase in price ($137 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from United Kingdom to San Francisco.
Price to beat on a one-way flight from United Kingdom to San Francisco.

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 julio 30, 2025.

This lol.travel deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/2410:35 amLHR - SFO
Nonstop11h 00mUnited Airlines
mar. 9/94:05 pmSFO - LHR
Nonstop10h 20mUnited Airlines
Deal found 7/28$554
This SWISS deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/186:35 pmLGW - SFO
1 stop30h 00mSWISS
vie. 9/122:20 pmSFO - LGW
1 stop19h 30mSWISS
Deal found 7/28$554
This SWISS deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/229:25 amLCY - SFO
1 stop14h 45mSWISS
dom. 10/57:30 pmSFO - LCY
1 stop14h 00mSWISS
Deal found 7/28$555
This SWISS deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/246:00 amLHR - SFO
1 stop18h 10mSWISS
mar. 9/97:30 pmSFO - LHR
1 stop18h 15mSWISS
Deal found 7/29$556
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/510:55 amLGW - SFO
1 stop21h 04mMultiple Airlines
jue. 9/118:45 amSFO - LGW
1 stop18h 10mMultiple Airlines
Deal found 7/30$557
This Lufthansa deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/199:30 amLHR - SFO
1 stop14h 30mLufthansa
jue. 9/251:05 pmSFO - LHR
Nonstop10h 20mLufthansa
Deal found 7/29$558
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/912:10 pmLGW - SFO
2 stops34h 25mTAP AIR PORTUGAL
mar. 9/166:45 pmSFO - LGW
2 stops31h 00mTAP AIR PORTUGAL
Deal found 7/28$558
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/103:05 pmLGW - SFO
1 stop26h 19mBritish Airways
mié. 9/1710:22 amSFO - LGW
1 stop13h 48mBritish Airways
Deal found 7/29$562
This Netflights deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/274:55 pmLHR - SFO
1 stop14h 21mBritish Airways
sáb. 10/44:30 pmSFO - LHR
Nonstop10h 25mBritish Airways
Deal found 7/30$563
This Austrian Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/244:40 pmLHR - SFO
1 stop35h 17mAustrian Airlines
mié. 11/198:25 amSFO - LHR
1 stop18h 25mAustrian Airlines
Deal found 7/28$569
This TravelTrolley deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelTrolley is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/64:25 pmLHR - SFO
Nonstop11h 05mVirgin Atlantic
mar. 9/169:20 pmSFO - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 7/29$570
This Cheapflightsfares deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/2710:20 amLHR - SFO
1 stop14h 10mScandinavian Airlines
mié. 9/37:40 pmSFO - LHR
1 stop18h 00mScandinavian Airlines
Deal found 7/28$572

Cheapflights Fare Finder

 
Customize your flight search to find flights from United Kingdom 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 2,558,603 searches. Data last updated julio 30, 2025.
Use the filters below to find and compare flights from the United Kingdom to San Francisco that are best for you.

Fly from

United Kingdom

Fly to

San Francisco

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

dom. 8/24

10:35 am-1:35 pm

Nonstop11h 00m

San Francisco

mar. 9/9

4:05 pm-10:25 am

Nonstop10h 20m

$554

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

lun. 8/18

6:35 pm-4:35 pm

1 stop30h 00m

San Francisco

vie. 9/12

2:20 pm-5:50 pm

1 stop19h 30m

$554

LondonSan Francisco

LCY - SFO

LCYSFO

London City

lun. 9/22

9:25 am-4:10 pm

1 stop14h 45m

San Francisco

dom. 10/5

7:30 pm-5:30 pm

1 stop14h 00m

$555

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

dom. 8/24

6:00 am-4:10 pm

1 stop18h 10m

San Francisco

mar. 9/9

7:30 pm-9:45 pm

1 stop18h 15m

$556

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

vie. 9/5

10:55 am-11:59 pm

1 stop21h 04m

San Francisco

jue. 9/11

8:45 am-10:55 am

1 stop18h 10m

$557

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

vie. 9/19

9:30 am-4:00 pm

1 stop14h 30m

San Francisco

jue. 9/25

1:05 pm-7:25 am

Nonstop10h 20m

$558

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

mar. 9/9

12:10 pm-2:35 pm

2 stops34h 25m

San Francisco

mar. 9/16

6:45 pm-9:45 am

2 stops31h 00m

$558

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

mié. 9/10

3:05 pm-9:24 am

1 stop26h 19m

San Francisco

mié. 9/17

10:22 am-8:10 am

1 stop13h 48m

$562

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

sáb. 9/27

4:55 pm-11:16 pm

1 stop14h 21m

San Francisco

sáb. 10/4

4:30 pm-10:55 am

Nonstop10h 25m

$563

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

dom. 8/24

10:35 am-1:35 pm

Nonstop11h 00m

San Francisco

mar. 9/9

7:55 pm-2:10 pm

Nonstop10h 15m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
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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 round-trip 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, January is the cheapest month in which you can book a flight from United Kingdom to San Francisco (average of $276). Flying from United Kingdom to San Francisco in June is currently the most expensive (average of $358). 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?

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 julio 30, 2025.

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

Explore weekly flight availability from United Kingdom to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 30, 2025.

The most flights from GB0 to SFO are scheduled on a Monday (43 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (37 on average).

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 julio 30, 2025.
See what other customers who have flown with Delta, KLM, and Austrian Airlines from the United Kingdom to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

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
8.0
Very good
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

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
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

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
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

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
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

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
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

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

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?

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly into when you book flights from United Kingdom to San Francisco.

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

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $475. However, be on the lookout for offers from Iberia and Scandinavian Airlines, as they are both options that can get you from United Kingdom to San Francisco for a low price.

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

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

    Before booking your flight to San Francisco from United Kingdom, check out the most reliable airlines to get you to your destination on time: Air New Zealand (87%), Air Canada (86%), Austrian Airlines( 86%).

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

    On average you can expect to pay $2,401 for a flight from United Kingdom to San Francisco. The cheapest flight overall is $571 while the most popular route, (London Heathrow - San Francisco) is currently priced at $462.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from United Kingdom to San Francisco (average of $276). Flying from United Kingdom to San Francisco in June is currently the most expensive (average of $358). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Sunnyvale
Newark
Milpitas
Campbell
Foster City
Capitola
Santa Clara
San Leandro
Burlingame
Redwood City

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

Discover the top 10 airlines that operate flights from United Kingdom 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 2,558,603 searches. Data last updated julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$511Average$755FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$543Average$688FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$546Average$695FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$553Average$752FlexibilityNo cancel feeOn-time72%
DeltaCheapest$555Average$708FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$564Average$735FlexibilityNo cancel feeOn-time78%
Scandinavian AirlinesCheapest$577Average$785FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$579Average$716FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$594Average$747FlexibilityNo cancel feeOn-time71%
IberiaCheapest$596Average$759FlexibilityNo cancel feeOn-time77%

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