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$199+ Cheap flights from San Francisco (SFO) to the United Kingdom

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from San Francisco to United Kingdom

Keep the following information in mind while searching for San Francisco to United Kingdom flight deals. Data was last updated septiembre 17, 2025.

Round-trip from

$470
(Gotogate)

One-way from

$199
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$663

Good round-trip deal

$655 or less

Good one-way deal

$389 or less
From San Francisco to United Kingdom
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One-way flight from San Francisco to United Kingdom
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Highest demand for flights based on searches. 16% potential increase in price ($150 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 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 San Francisco to United Kingdom.
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Price to beat on a one-way flight from San Francisco to United Kingdom.
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Find flight deals from San Francisco to United Kingdom

Cheapest flights from San Francisco to United Kingdom
Explore the most affordable flight options available from San Francisco to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This Gotogate deal was found by Cheapflights users on 9/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/77:10 pmSFO - MAN
1 stop31h 25mTAP AIR PORTUGAL
jue. 11/205:10 pmMAN - SFO
1 stop30h 55mTAP AIR PORTUGAL
Deal found 9/16$470
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/234:20 pmSFO - MAN
1 stop33h 45mTAP AIR PORTUGAL
jue. 11/65:10 pmMAN - SFO
1 stop30h 55mTAP AIR PORTUGAL
Deal found 9/15$473
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/228:30 amSFO - STN
2 stops19h 20mMultiple Airlines
mié. 10/298:55 pmSTN - SFO
2 stops27h 35mMultiple Airlines
Deal found 9/16$520
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.
mié. 11/58:25 amSFO - STN
2 stops25h 35mMultiple Airlines
mié. 11/127:40 amSTN - SFO
2 stops21h 42mMultiple Airlines
Deal found 9/15$522
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.
mié. 10/1511:35 amSFO - STN
3 stops24h 25mMultiple Airlines
mié. 10/2210:10 pmSTN - SFO
2 stops29h 41mMultiple Airlines
Deal found 9/15$524
This lastminute.com deal was found by Cheapflights users on 9/17. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2911:45 pmSFO - LHR
1 stop22h 45mMultiple Airlines
mié. 10/158:40 amLHR - SFO
1 stop15h 30mMultiple Airlines
Deal found 9/17$524
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/228:30 amSFO - STN
2 stops27h 30mMultiple Airlines
lun. 10/279:20 pmSTN - SFO
2 stops27h 10mMultiple Airlines
Deal found 9/16$525
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.
mar. 10/218:30 amSFO - STN
2 stops19h 30mMultiple Airlines
mié. 10/295:55 amSTN - SFO
2 stops21h 40mMultiple Airlines
Deal found 9/15$526
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.
mar. 10/148:30 amSFO - LTN
2 stops19h 50mMultiple Airlines
mié. 10/226:25 pmLTN - SFO
2 stops29h 45mMultiple Airlines
Deal found 9/15$526
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/84:40 pmSFO - LHR
2 stops19h 15mScandinavian Airlines
lun. 11/107:30 pmLHR - SFO
2 stops36h 23mScandinavian Airlines
Deal found 9/15$526
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.
dom. 11/28:25 amSFO - STN
2 stops21h 05mMultiple Airlines
mar. 11/117:40 amSTN - SFO
2 stops21h 42mMultiple Airlines
Deal found 9/15$528
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/58:25 amSFO - LTN
2 stops29h 55mMultiple Airlines
mié. 11/125:00 pmLTN - SFO
2 stops31h 30mMultiple Airlines
Deal found 9/16$528

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to United Kingdom 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 17, 2025.
Use the filters below to find and compare flights from San Francisco to the United Kingdom that are best for you.

Fly from

San Francisco

Fly to

United Kingdom

Route

Depart

Return

Price

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

mar. 10/14

8:30 am-12:20 pm

2 stops19h 50m

London Luton

mié. 10/22

6:25 pm-4:10 pm

2 stops29h 45m

$526

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

jue. 10/30

9:30 pm-6:30 pm

2 stops38h 00m

London Heathrow

dom. 11/2

5:00 pm-2:35 pm

1 stop29h 35m

$533

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

mar. 11/25

8:25 am-8:15 pm

2 stops27h 50m

London Stansted

mar. 12/2

2:30 pm-4:30 pm

2 stops34h 00m

$533

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

jue. 1/22

1:00 pm-5:40 pm

2 stops20h 40m

London Heathrow

lun. 1/26

6:40 am-2:35 pm

1 stop15h 55m

$534

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

mar. 10/21

8:40 am-9:00 pm

2 stops28h 20m

London Stansted

jue. 10/30

8:05 pm-5:30 pm

2 stops28h 25m

$534

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

lun. 2/16

7:00 am-9:20 am

2 stops18h 20m

London Heathrow

vie. 2/20

6:40 am-2:35 pm

1 stop15h 55m

$535

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

mié. 11/5

8:25 am-6:00 pm

2 stops25h 35m

London Stansted

mié. 11/12

7:40 am-10:39 am

3 stops34h 59m

$537

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

mar. 11/25

8:25 am-11:30 am

2 stops19h 05m

London Stansted

lun. 12/1

2:25 pm-4:30 pm

2 stops34h 05m

$538

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

lun. 10/27

3:30 pm-5:40 pm

2 stops19h 10m

London Heathrow

vie. 10/31

9:05 pm-3:35 pm

2 stops25h 30m

$552

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

lun. 11/17

4:35 pm-8:35 pm

2 stops20h 00m

London Gatwick

mar. 12/2

4:35 pm-2:30 pm

1 stop29h 55m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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Best time to book a flight from San Francisco to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from San Francisco 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 San Francisco to the United Kingdom

What is the cheapest month to book a flight from San Francisco to United Kingdom?

Currently, November is the cheapest month in which you can book a flight from San Francisco to United Kingdom (average of $661). Flying from San Francisco to United Kingdom in June is currently the most expensive (average of $1,097). 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 SFO to GB?

Find hourly flight availability from San Francisco to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 17, 2025.

When flying from San Francisco to United Kingdom, 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 San Francisco to United Kingdom

Explore weekly flight availability from San Francisco to United Kingdom. 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 17, 2025.

The most flights from SFO to GB0 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 United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated septiembre 17, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and Virgin Atlantic from San Francisco to the United Kingdom by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
664 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
2,925 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.7
Okay
7,367 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to United Kingdom. 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 from for flights from San Francisco to United Kingdom?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to United Kingdom. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

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

    Departing from San Francisco to United Kingdom will take you 16h 54m. Airlines will cover a distance of 5021 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $239. However, be on the lookout for offers from LEVEL and Delta, as they are both options that can get you from San Francisco to United Kingdom for a low price.

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

    The most popular flight routes from San Francisco to United Kingdom are San Francisco - London Heathrow, San Francisco - London Gatwick and San Francisco - London City.

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

    Before booking your flight to United Kingdom from San Francisco, check out the most reliable airlines to get you to your destination on time: Aeromexico (95%), KLM (93%), Air France( 93%).

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

    On average you can expect to pay $2,442 for a flight from San Francisco to United Kingdom. The cheapest flight overall is $353 while the most popular route, (San Francisco - London Heathrow) is currently priced at $434.

  • Can I find deals for flights from San Francisco to United Kingdom that include hotel bookings?

    Yes. In addition to deals on San Francisco to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to United Kingdom.

  • Can I find deals for business class flights from San Francisco to United Kingdom?

    Yes. Cheapflights offers flight deals from San Francisco to United Kingdom 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 San Francisco to United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from San Francisco to United Kingdom (average of $661). Flying from San Francisco to United Kingdom in June is currently the most expensive (average of $1,097). 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

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Alternative routes for San Francisco to United Kingdom

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Top 10 airlines flying from San Francisco to United Kingdom

Discover the top 10 airlines that operate flights from San Francisco to United Kingdom. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$195Average$964FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$334Average$696FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$433Average$575FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$514Average$797FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$527Average$896FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$541Average$776FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$562Average$803FlexibilityNo cancel feeOn-time71%
DeltaCheapest$564Average$949FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$570Average$907FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$571Average$1,008FlexibilityNo cancel feeOn-time76%

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