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$361+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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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 septiembre 15, 2025.

Round-trip from

$525
(Air Canada)

One-way from

$361
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$575

Good round-trip deal

$603 or less

Good one-way deal

$619 or less
From United Kingdom to San Francisco
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One-way flight from United Kingdom to San Francisco
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Highest demand for flights based on searches. 15% potential increase in price ($119 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from United Kingdom to San Francisco.
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Price to beat on a one-way flight from United Kingdom to San Francisco.
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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 septiembre 15, 2025.

This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/189:00 amLHR - SFO
2 stops19h 50mAir Canada
mar. 12/28:39 amSFO - LHR
2 stops18h 41mAir Canada
Deal found 9/15$525
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/264:25 pmLHR - SFO
Nonstop11h 05mVirgin Atlantic
jue. 2/264:30 pmSFO - LHR
Nonstop10h 10mVirgin Atlantic
Deal found 9/15$527
This Kiwi.com deal was found by Cheapflights users on 9/15. 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. 9/268:40 amLHR - SFO
1 stop15h 55mSWISS
lun. 9/297:40 pmSFO - LHR
1 stop18h 05mSWISS
Deal found 9/15$529
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/229:30 amLHR - SFO
2 stops19h 23mAir Canada
dom. 10/511:40 amSFO - LHR
1 stop13h 55mAir Canada
Deal found 9/15$530
This Netflights deal was found by Cheapflights users on 9/15. 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.
mié. 9/2411:15 amLHR - SFO
Nonstop11h 00mVirgin Atlantic
lun. 9/294:05 pmSFO - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 9/15$532
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/99:55 amLHR - SFO
2 stops22h 10mDelta
lun. 3/24:30 pmSFO - LHR
Nonstop10h 10mDelta
Deal found 9/13$533
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/2610:35 amLHR - SFO
Nonstop11h 05mUnited Airlines
dom. 10/1211:40 amSFO - LHR
1 stop13h 55mUnited Airlines
Deal found 9/14$534
This Lufthansa deal was found by Cheapflights users on 9/13. 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. 10/310:35 amLHR - SFO
Nonstop11h 05mLufthansa
vie. 10/104:05 pmSFO - LHR
Nonstop10h 20mLufthansa
Deal found 9/13$535
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/13:05 pmLGW - SFO
1 stop16h 54mAmerican Airlines
mar. 10/710:12 amSFO - LGW
1 stop13h 58mAmerican Airlines
Deal found 9/13$535
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2012:20 pmLHR - SFO
Nonstop11h 05mUnited Airlines
vie. 10/35:05 amSFO - LHR
1 stop20h 35mUnited Airlines
Deal found 9/13$536
This oojo deal was found by Cheapflights users on 9/13. 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.
sáb. 9/276:40 pmLGW - SFO
1 stop29h 55mSWISS
mié. 10/87:30 pmSFO - LGW
1 stop14h 25mSWISS
Deal found 9/13$536
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2210:35 amLHR - SFO
Nonstop11h 05mUnited Airlines
dom. 10/58:30 amSFO - LHR
1 stop14h 00mUnited Airlines
Deal found 9/15$537

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 septiembre 15, 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

vie. 10/3

10:35 am-1:40 pm

Nonstop11h 05m

San Francisco

vie. 10/10

1:05 pm-7:25 am

Nonstop10h 20m

$534

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

vie. 2/13

1:45 pm-5:00 pm

Nonstop11h 15m

San Francisco

vie. 2/20

12:50 pm-7:25 am

Nonstop10h 35m

$534

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

sáb. 9/27

4:15 pm-7:20 pm

Nonstop11h 05m

San Francisco

sáb. 10/11

11:45 pm-6:30 am

1 stop22h 45m

$534

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

lun. 11/10

10:05 am-1:20 pm

Nonstop11h 15m

San Francisco

jue. 12/4

12:50 pm-7:25 am

Nonstop10h 35m

$534

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

sáb. 10/4

10:35 am-1:40 pm

Nonstop11h 05m

San Francisco

lun. 10/13

1:05 pm-7:25 am

Nonstop10h 20m

$534

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

mié. 11/12

10:05 am-1:20 pm

Nonstop11h 15m

San Francisco

dom. 11/30

12:50 pm-7:25 am

Nonstop10h 35m

$535

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

jue. 11/13

11:40 am-2:40 pm

Nonstop11h 00m

San Francisco

mar. 11/25

4:30 pm-10:40 am

Nonstop10h 10m

$535

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

jue. 10/9

12:20 pm-3:25 pm

Nonstop11h 05m

San Francisco

dom. 10/12

1:05 pm-7:25 am

Nonstop10h 20m

$535

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

jue. 10/30

9:00 am-12:50 pm

2 stops34h 50m

San Francisco

jue. 11/6

1:55 pm-5:30 pm

2 stops19h 35m

$577

LondonSan Francisco

LCY - SFO

LCYSFO

London City

jue. 10/30

8:05 pm-12:50 pm

1 stop23h 45m

San Francisco

dom. 11/9

6:00 am-7:15 am

2 stops17h 15m

$586

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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 $357). 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 septiembre 15, 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 septiembre 15, 2025.

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

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 septiembre 15, 2025.
See what other customers who have flown with Delta, Austrian Airlines, and United 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.
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
850 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
Lufthansa
6.8
Okay
7,407 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

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.

  • How long is the flight from United Kingdom to San Francisco?

    Airlines like United Airlines, Austrian Airlines, and Virgin Atlantic fly from United Kingdom to San Francisco in about 11h 05m. The time it takes to get you to your destination can typically vary by up to 12h 40m. The distance from United Kingdom to San Francisco is about 5350 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $479. However, be on the lookout for offers from KLM and Virgin Atlantic, 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?

    When deciding which route to take from United Kingdom to San Francisco consider London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco as they are the most popular.

  • 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: KLM (86%), Air France (86%), Delta( 86%).

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

    On average you can expect to pay $2,060 for a flight from United Kingdom to San Francisco. The cheapest flight overall is $562 while the most popular route, (London Heathrow - San Francisco) is currently priced at $466.

  • 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 $357). 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
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Santa Clara
Manteca
Sunnyvale
Hollister
Vacaville
Foster City
Union City
Vallejo
Burlingame
Redwood City
San Mateo
San Leandro
Lathrop

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$509Average$757FlexibilityNo cancel feeOn-time70%
Brussels AirlinesCheapest$530Average$692FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$539Average$736FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$541Average$682FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$550Average$736FlexibilityNo cancel feeOn-time72%
DeltaCheapest$555Average$708FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$578Average$785FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$579Average$712FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$596Average$748FlexibilityNo cancel feeOn-time71%
IberiaCheapest$596Average$762FlexibilityNo cancel feeOn-time77%

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