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$312+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$463
(United Airlines)

One-way from

$312
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$645

Good round-trip deal

$630 or less

Good one-way deal

$637 or less
Provider with most accurate pricing for London (LON)-San Francisco flight deals.
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Provider most trusted by Cheapflights users for London (LON)-San Francisco flights.
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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. 18% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 17, 2025.

This United Airlines deal was found by Cheapflights users on 4/16. 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.
mar. 5/1311:25 amLHR - SFO
2 stops20h 42mUnited Airlines
dom. 5/188:29 amSFO - LHR
1 stop19h 21mUnited Airlines
Deal found 4/16$463
This Flightnetwork deal was found by Cheapflights users on 4/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/241:45 pmLHR - SFO
1 stop34h 25mSWISS
mié. 5/77:30 pmSFO - LHR
1 stop31h 55mSWISS
Deal found 4/16$521
This Mytrip deal was found by Cheapflights users on 4/17. 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. 5/123:30 pmSTN - SFO
2 stops31h 00mMultiple Airlines
lun. 5/194:30 pmSFO - STN
2 stops18h 35mMultiple Airlines
Deal found 4/17$525
This TravelUp deal was found by Cheapflights users on 4/16. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/306:00 amLHR - SFO
1 stop18h 10mMultiple Airlines
sáb. 5/1012:55 pmSFO - LHR
Nonstop10h 30mMultiple Airlines
Deal found 4/16$529
This Flightnetwork deal was found by Cheapflights users on 4/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/86:40 pmLGW - SFO
1 stop29h 30mSWISS
lun. 5/127:30 pmSFO - LGW
1 stop14h 20mSWISS
Deal found 4/16$529
This Lufthansa deal was found by Cheapflights users on 4/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/47:25 amLHR - SFO
1 stop15h 05mLufthansa
vie. 9/191:05 pmSFO - LHR
Nonstop10h 20mLufthansa
Deal found 4/15$531
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
mié. 5/710:55 amLGW - SFO
1 stop17h 32mMultiple Airlines
sáb. 10/185:15 pmSFO - LGW
1 stop33h 40mMultiple Airlines
Deal found 4/17$534
This TravelUp deal was found by Cheapflights users on 4/16. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/275:10 pmLHR - SFO
1 stop26h 35mVirgin Atlantic
lun. 5/59:20 pmSFO - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 4/16$542
This Flightnetwork deal was found by Cheapflights users on 4/17. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/89:25 amLCY - SFO
1 stop14h 45mSWISS
lun. 5/127:30 pmSFO - LCY
1 stop29h 20mSWISS
Deal found 4/17$549
This World Air Fares deal was found by Cheapflights users on 4/17. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/1510:20 amLHR - SFO
2 stops19h 37mFinnair
vie. 9/261:15 pmSFO - LHR
1 stop13h 50mFinnair
Deal found 4/17$552
This TravelUp deal was found by Cheapflights users on 4/17. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/14:25 pmLHR - SFO
Nonstop11h 05mAir France
lun. 5/129:20 pmSFO - LHR
Nonstop10h 20mAir France
Deal found 4/17$559
This Netflights deal was found by Cheapflights users on 4/17. 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. 5/143:05 pmLGW - SFO
1 stop17h 01mBritish Airways
mar. 5/207:21 amSFO - LGW
1 stop16h 49mBritish Airways
Deal found 4/17$561

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 abril 17, 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

mar. 5/13

11:25 am-12:07 am

2 stops20h 42m

San Francisco

dom. 5/18

8:29 am-11:50 am

1 stop19h 21m

$463

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

vie. 5/2

6:00 am-4:10 pm

1 stop18h 10m

San Francisco

mar. 5/6

7:30 pm-1:00 pm

1 stop33h 30m

$521

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

lun. 5/12

3:30 pm-2:30 pm

2 stops31h 00m

San Francisco

lun. 5/19

4:30 pm-7:05 pm

2 stops18h 35m

$525

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

lun. 9/1

8:05 pm-4:35 pm

1 stop28h 30m

San Francisco

sáb. 9/20

4:05 pm-10:25 am

Nonstop10h 20m

$526

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

jue. 5/1

8:40 am-7:55 pm

2 stops19h 15m

San Francisco

dom. 5/11

8:15 am-6:30 am

1 stop14h 15m

$527

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

jue. 5/8

6:40 pm-4:10 pm

1 stop29h 30m

San Francisco

lun. 5/12

7:30 pm-5:50 pm

1 stop14h 20m

$529

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

jue. 9/4

7:25 am-2:30 pm

1 stop15h 05m

San Francisco

vie. 9/19

1:05 pm-7:25 am

Nonstop10h 20m

$531

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

dom. 4/27

5:10 pm-11:45 am

1 stop26h 35m

San Francisco

lun. 5/5

9:20 pm-3:40 pm

Nonstop10h 20m

$542

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

lun. 9/15

10:20 am-9:57 pm

2 stops19h 37m

San Francisco

vie. 9/26

11:46 pm-6:55 am

2 stops23h 09m

$552

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

mié. 9/3

1:45 pm-2:30 pm

1 stop32h 45m

San Francisco

mar. 9/9

6:45 pm-10:00 pm

2 stops19h 15m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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 $393). 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 abril 17, 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 abril 17, 2025.

The most flights from GB0 to SFO are scheduled on a Monday (37 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (31 on average).

Rainfall in San Francisco by month

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

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 abril 17, 2025.
Read through reviews of airlines operating flights from United Kingdom to San Francisco, such as ANA, Delta and Air New Zealand. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.3
Very good
845 reviews

Entertainment

7.9

Boarding

8.5

Comfort

8.1

Food

7.6

Crew

8.7

Overall

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

SFO - HND

Don't bother with economy, it's so small!!! I'm a small person and I was cramped in the middle seat on a 11 hour flight. Not fun. Go for business or first class for such a long flight if you can or be prepared to have trouble moving when you stand up. Also be prepared to have trouble sleeping too. Crew was awesome though, they were helpful and provided excellent service.
ANA
8.3
Very good
845 reviews
ANA
8.3
Very good
845 reviews

Entertainment

7.9

Boarding

8.5

Comfort

8.1

Food

7.6

Crew

8.7

Overall

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

SFO - HND

Don't bother with economy, it's so small!!! I'm a small person and I was cramped in the middle seat on a 11 hour flight. Not fun. Go for business or first class for such a long flight if you can or be prepared to have trouble moving when you stand up. Also be prepared to have trouble sleeping too. Crew was awesome though, they were helpful and provided excellent service.
Delta
8.0
Very good
7,917 reviews
ANA
8.3
Very good
845 reviews

Entertainment

7.9

Boarding

8.5

Comfort

8.1

Food

7.6

Crew

8.7

Overall

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

SFO - HND

Don't bother with economy, it's so small!!! I'm a small person and I was cramped in the middle seat on a 11 hour flight. Not fun. Go for business or first class for such a long flight if you can or be prepared to have trouble moving when you stand up. Also be prepared to have trouble sleeping too. Crew was awesome though, they were helpful and provided excellent service.
Air New Zealand
8.0
Very good
467 reviews
ANA
8.3
Very good
845 reviews

Entertainment

7.9

Boarding

8.5

Comfort

8.1

Food

7.6

Crew

8.7

Overall

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

SFO - HND

Don't bother with economy, it's so small!!! I'm a small person and I was cramped in the middle seat on a 11 hour flight. Not fun. Go for business or first class for such a long flight if you can or be prepared to have trouble moving when you stand up. Also be prepared to have trouble sleeping too. Crew was awesome though, they were helpful and provided excellent service.
EL AL
7.8
Good
524 reviews
ANA
8.3
Very good
845 reviews

Entertainment

7.9

Boarding

8.5

Comfort

8.1

Food

7.6

Crew

8.7

Overall

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

SFO - HND

Don't bother with economy, it's so small!!! I'm a small person and I was cramped in the middle seat on a 11 hour flight. Not fun. Go for business or first class for such a long flight if you can or be prepared to have trouble moving when you stand up. Also be prepared to have trouble sleeping too. Crew was awesome though, they were helpful and provided excellent service.
KLM
7.8
Good
1,329 reviews
ANA
8.3
Very good
845 reviews

Entertainment

7.9

Boarding

8.5

Comfort

8.1

Food

7.6

Crew

8.7

Overall

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

SFO - HND

Don't bother with economy, it's so small!!! I'm a small person and I was cramped in the middle seat on a 11 hour flight. Not fun. Go for business or first class for such a long flight if you can or be prepared to have trouble moving when you stand up. Also be prepared to have trouble sleeping too. Crew was awesome though, they were helpful and provided excellent service.

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 Vueling, with whom users have recently found tickets for as low as $419. However, be on the lookout for offers from WestJet and TAP AIR PORTUGAL, 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: Air Canada (92%), Austrian Airlines (92%), United Airlines( 92%).

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

    On average you can expect to pay $1,976 for a flight from United Kingdom to San Francisco. The cheapest flight overall is $546 while the most popular route, (London Heathrow - San Francisco) is currently priced at $439.

  • 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 $393). 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 the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
Turlock
South San Francisco
Fairfield
Manteca
Sausalito
Richmond
Watsonville
Hollister
Milpitas
Antioch
Vallejo
Newark
Hayward
Alameda
Sunnyvale
Livermore
Campbell

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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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$382Average$581FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$513Average$754FlexibilityNo cancel feeOn-time70%
DeltaCheapest$519Average$711FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$539Average$707FlexibilityNo cancel feeOn-time78%
American AirlinesCheapest$544Average$726FlexibilityNo cancel feeOn-time71%
Brussels AirlinesCheapest$546Average$653FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$552Average$698FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$553Average$745FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$555Average$721FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$577Average$716FlexibilityNo cancel feeOn-time69%

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