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$266+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
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 marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$519
(Flightnetwork)

One-way from

$266
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$617

Good round-trip deal

$567 or less

Good one-way deal

$610 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 ($155 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 28, 2025.

This Flightnetwork deal was found by Cheapflights users on 3/27. 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 amLHR - SFO
1 stop17h 50mScandinavian Airlines
lun. 5/197:40 pmSFO - LHR
2 stops17h 40mScandinavian Airlines
Deal found 3/27$519
This United Airlines deal was found by Cheapflights users on 3/27. 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. 4/1811:25 amLHR - SFO
2 stops21h 00mUnited Airlines
mié. 7/238:30 amSFO - LHR
1 stop18h 10mUnited Airlines
Deal found 3/27$520
This TravelUp deal was found by Cheapflights users on 3/27. 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.
sáb. 4/266:30 amLHR - SFO
1 stop17h 35mLufthansa
jue. 5/112:55 pmSFO - LHR
Nonstop10h 30mLufthansa
Deal found 3/27$521
This TravelUp deal was found by Cheapflights users on 3/27. 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. 4/2411:15 amLHR - SFO
Nonstop11h 05mKLM
jue. 5/14:05 pmSFO - LHR
Nonstop10h 20mKLM
Deal found 3/27$526
This TravelUp deal was found by Cheapflights users on 3/27. 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.
sáb. 5/104:25 pmLHR - SFO
Nonstop11h 05mAir France
lun. 5/199:20 pmSFO - LHR
Nonstop10h 20mAir France
Deal found 3/27$527
This SWISS deal was found by Cheapflights users on 3/27. 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.
mié. 5/146:35 pmLGW - SFO
1 stop29h 35mSWISS
mar. 5/202:00 pmSFO - LGW
1 stop19h 50mSWISS
Deal found 3/27$529
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/237:40 amEDI - SFO
1 stop14h 10mBritish Airways
mié. 4/307:30 pmSFO - EDI
1 stop14h 45mBritish Airways
Deal found 3/27$531
This Mytrip deal was found by Cheapflights users on 3/27. 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.
sáb. 5/106:35 amSTN - SFO
2 stops17h 55mMultiple Airlines
lun. 5/197:40 pmSFO - STN
2 stops18h 30mMultiple Airlines
Deal found 3/27$531
This World Air Fares deal was found by Cheapflights users on 3/27. 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. 5/53:05 pmLGW - SFO
1 stop28h 43mFinnair
lun. 5/1211:30 pmSFO - LGW
2 stops25h 05mFinnair
Deal found 3/27$535
This United Airlines deal was found by Cheapflights users on 3/27. 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. 5/69:00 amEDI - SFO
2 stops33h 13mUnited Airlines
mar. 6/39:00 pmSFO - EDI
1 stop29h 35mUnited Airlines
Deal found 3/27$537
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
jue. 5/18:40 amLHR - SFO
1 stop15h 30mSWISS
jue. 5/87:30 pmSFO - LHR
1 stop15h 50mSWISS
Deal found 3/27$539
This Gotogate deal was found by Cheapflights users on 3/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2110:35 amLHR - SFO
Nonstop11h 05mAustrian Airlines
dom. 5/47:40 pmSFO - LHR
Nonstop10h 30mAustrian Airlines
Deal found 3/27$543

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 marzo 28, 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

jue. 5/8

6:40 am-4:30 pm

1 stop17h 50m

San Francisco

lun. 5/19

7:40 pm-9:20 pm

2 stops17h 40m

$519

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

vie. 4/18

11:25 am-12:25 am

2 stops21h 00m

San Francisco

mié. 7/23

8:30 am-10:40 am

1 stop18h 10m

$520

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

sáb. 4/26

6:30 am-4:05 pm

1 stop17h 35m

San Francisco

jue. 5/1

12:55 pm-7:25 am

Nonstop10h 30m

$521

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

jue. 4/24

11:15 am-2:20 pm

Nonstop11h 05m

San Francisco

jue. 5/1

4:05 pm-10:25 am

Nonstop10h 20m

$526

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

sáb. 5/10

4:25 pm-7:30 pm

Nonstop11h 05m

San Francisco

lun. 5/19

9:20 pm-3:40 pm

Nonstop10h 20m

$527

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

mié. 5/14

6:35 pm-4:10 pm

1 stop29h 35m

San Francisco

mar. 5/20

2:00 pm-5:50 pm

1 stop19h 50m

$529

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

mié. 4/23

7:40 am-1:50 pm

1 stop14h 10m

San Francisco

mié. 4/30

7:30 pm-6:15 pm

1 stop14h 45m

$531

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

sáb. 5/10

6:35 am-4:30 pm

2 stops17h 55m

San Francisco

lun. 5/19

7:40 pm-10:10 pm

2 stops18h 30m

$531

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

lun. 5/5

3:05 pm-12:34 pm

2 stops29h 29m

San Francisco

lun. 5/12

11:30 pm-8:35 am

2 stops25h 05m

$535

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

mar. 5/6

9:00 am-10:13 am

2 stops33h 13m

San Francisco

mar. 6/3

9:00 pm-10:35 am

1 stop29h 35m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 $398). 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 marzo 28, 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.

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 marzo 28, 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
829 reviews

Crew

8.7

Boarding

8.5

Food

7.6

Entertainment

7.9

Comfort

8.2

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
829 reviews
ANA
8.3
Very good
829 reviews

Crew

8.7

Boarding

8.5

Food

7.6

Entertainment

7.9

Comfort

8.2

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
7,896 reviews
ANA
8.3
Very good
829 reviews

Crew

8.7

Boarding

8.5

Food

7.6

Entertainment

7.9

Comfort

8.2

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
7.9
Good
455 reviews
ANA
8.3
Very good
829 reviews

Crew

8.7

Boarding

8.5

Food

7.6

Entertainment

7.9

Comfort

8.2

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
1,321 reviews
ANA
8.3
Very good
829 reviews

Crew

8.7

Boarding

8.5

Food

7.6

Entertainment

7.9

Comfort

8.2

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 Transat
7.8
Good
381 reviews
ANA
8.3
Very good
829 reviews

Crew

8.7

Boarding

8.5

Food

7.6

Entertainment

7.9

Comfort

8.2

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 Aer Lingus, with whom users have recently found tickets for as low as $507. 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: American Airlines (91%), Aer Lingus (91%), Alaska Airlines( 91%).

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

    On average you can expect to pay $2,095 for a flight from United Kingdom to San Francisco. The cheapest flight overall is $523 while the most popular route, (London Heathrow - San Francisco) is currently priced at $428.

  • 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 $398). 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
Fairfield
South San Francisco
Manteca
Sausalito
Richmond
Watsonville
Hollister
Milpitas
Antioch
Hayward
Vallejo
Newark
Alameda
Campbell
Daly City
Pacific Grove

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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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$382Average$581FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$500Average$708FlexibilityNo cancel feeOn-time78%
British AirwaysCheapest$512Average$766FlexibilityNo cancel feeOn-time70%
DeltaCheapest$519Average$720FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$528Average$689FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$544Average$729FlexibilityNo cancel feeOn-time71%
Brussels AirlinesCheapest$546Average$653FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$553Average$965FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$555Average$697FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$582Average$722FlexibilityNo cancel feeOn-time69%
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