United Kingdom

$298+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
Aug 3 — Aug 101
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Cheap 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 July 4, 2026.

This Scandinavian Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 12/74:45 pm
SFO
-
MAN
2 stops35h 30m
Scandinavian Airlines
Thu 12/1010:25 am
MAN
-
SFO
2 stops36h 25m
Scandinavian Airlines
Deal found 7/3$654
This Scandinavian Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 8/194:45 pm
SFO
-
MAN
2 stops43h 00m
Scandinavian Airlines
Sat 8/225:55 pm
MAN
-
SFO
2 stops52h 45m
Scandinavian Airlines
Deal found 7/2$711
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Wed 9/164:45 pm
SFO
-
MAN
2 stops23h 40m
Multiple Airlines
Wed 9/3011:00 am
MAN
-
SFO
2 stops35h 40m
Multiple Airlines
Deal found 7/2$728
This Scandinavian Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 8/224:45 pm
SFO
-
MAN
2 stops18h 45m
Scandinavian Airlines
Mon 8/247:10 pm
MAN
-
SFO
1 stop27h 30m
Scandinavian Airlines
Deal found 7/2$738
This Scandinavian Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 8/214:45 pm
SFO
-
MAN
2 stops16h 30m
Scandinavian Airlines
Sun 8/2312:25 pm
MAN
-
SFO
2 stops34h 15m
Scandinavian Airlines
Deal found 7/2$741
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Tue 9/15:40 pm
SFO
-
GLA
1 stop31h 00m
Multiple Airlines
Wed 9/910:35 pm
GLA
-
SFO
2 stops45h 45m
Multiple Airlines
Deal found 7/2$744
This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:45 pm
SFO
-
EDI
1 stop17h 40m
Scandinavian Airlines
Tue 11/177:10 pm
EDI
-
SFO
1 stop27h 40m
Scandinavian Airlines
Deal found 6/30$749
This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:45 pm
SFO
-
MAN
1 stop32h 45m
Scandinavian Airlines
Tue 12/810:10 am
MAN
-
SFO
1 stop36h 40m
Scandinavian Airlines
Deal found 6/30$751
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Tue 9/15:40 pm
SFO
-
EDI
1 stop18h 00m
Multiple Airlines
Wed 9/98:05 pm
EDI
-
SFO
2 stops48h 15m
Multiple Airlines
Deal found 7/2$752
This Booking.com deal was found by Cheapflights users on 6/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:30 pm
SFO
-
MAN
2 stops19h 15m
Multiple Airlines
Tue 8/258:10 pm
MAN
-
SFO
2 stops26h 20m
Multiple Airlines
Deal found 6/30$752
This lastminute.com deal was found by Cheapflights users on 6/30. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:45 pm
SFO
-
EDI
2 stops32h 45m
Scandinavian Airlines
Tue 9/87:10 pm
EDI
-
SFO
1 stop27h 30m
Scandinavian Airlines
Deal found 6/30$758
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:45 pm
SFO
-
BHX
2 stops21h 55m
Multiple Airlines
Mon 9/283:15 pm
BHX
-
SFO
2 stops31h 25m
Multiple Airlines
Deal found 6/30$759

Find 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 July 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$654
(Scandinavian Airlines)

One-way from

$298
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$970

Good round-trip deal

$980 or less

Good one-way deal

$454 or less
Provider with most accurate pricing for San Francisco-London (LON) flight deals.
Provider most trusted by Cheapflights users for San Francisco-London (LON) flights.
From San Francisco to United Kingdom
One-way flight from San Francisco to United Kingdom
Highest demand for flights based on searches. 22% potential increase in price ($239 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in July 2026
Price to beat on a round-trip flight from San Francisco to United Kingdom.
Price to beat on a one-way flight from San Francisco to United Kingdom.

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 July 4, 2026.
Use the filters below to find and compare flights from San Francisco to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoManchester

SFO - MAN

SFOMAN

San Francisco

Mon 12/7

4:45 pm-12:15 pm

2 stops35h 30m

Manchester

Thu 12/10

10:25 am-2:50 pm

2 stops36h 25m

$654

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 9/16

4:35 pm-11:20 am

2 stops34h 45m

London Gatwick

Wed 10/21

4:25 pm-2:30 pm

1 stop30h 05m

$787

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Sun 9/6

6:00 am-10:55 pm

3 stops32h 55m

London Luton

Sun 9/13

12:45 pm-2:05 pm

2 stops33h 20m

$818

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 8/12

4:35 pm-8:30 pm

2 stops19h 55m

London Gatwick

Wed 9/9

4:25 pm-2:30 pm

1 stop30h 05m

$818

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Sun 8/16

5:40 pm-9:40 pm

1 stop20h 00m

London Luton

Tue 8/25

9:40 am-3:55 pm

1 stop14h 15m

$822

San FranciscoManchester

SFO - MAN

SFOMAN

San Francisco

Thu 8/20

4:45 pm-8:55 am

1 stop32h 10m

Manchester

Sun 8/23

7:30 pm-2:40 pm

1 stop27h 10m

$824

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Fri 8/14

11:10 am-2:00 pm

2 stops18h 50m

London Luton

Wed 8/19

6:15 am-3:27 pm

2 stops17h 12m

$832

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Thu 8/20

6:00 am-11:25 pm

3 stops33h 25m

London Luton

Wed 9/2

4:30 pm-2:30 pm

2 stops30h 00m

$837

San FranciscoManchester

SFO - MAN

SFOMAN

San Francisco

Sat 11/21

10:50 pm-4:55 pm

2 stops34h 05m

Manchester

Tue 11/24

11:30 am-11:01 pm

2 stops43h 31m

$841

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 7/20

4:45 pm-5:40 pm

1 stop16h 55m

London Heathrow

Wed 8/19

6:40 am-2:40 pm

1 stop16h 00m

$856

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from San Francisco to United Kingdom (average of $642). Flying from San Francisco to United Kingdom in June is currently the most expensive (average of $1,289). 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 July 4, 2026.

It’s typically best to fly out from San Francisco to United Kingdom in the morning. Doing so could potentially save you 5% on the flight price compared to flying in the evening, which is usually more expensive.

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 July 4, 2026.

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).

How often are flights from San Francisco to the United Kingdom delayed?

About 11% of weekly flights between San Francisco and United Kingdom have experienced delays in the past year, with the average delay time being 154 minutes.

What is the most punctual flight time for San Francisco to the United Kingdom flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Francisco to the United Kingdom flights?

Over the last year, British Airways have had the lowest number of delays on this route, with just 8% of flights being delayed.

How far ahead should I book a flight from San Francisco to United Kingdom?

The best time to book flights from San Francisco to United Kingdom is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from San Francisco to United Kingdom?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to United Kingdom. Price data was last updated on July 4, 2026.

Travelers seeking maximum savings on their San Francisco to United Kingdom flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 4, 2026.
Get a feel of what it's like to fly with Delta,Virgin Atlantic, andUnited Airlines 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.

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.8

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.

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.8

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.

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.8

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.

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.8

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.

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.8

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.

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Overall

7.8

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 11.0 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 34h 05m. Airlines will cover a distance of 5204 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 JetBlue, with whom users have recently found tickets for as low as $185. However, be on the lookout for offers from British Airways and TAP AIR PORTUGAL, 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?

  • 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: Air Canada (75%), Austrian Airlines (75%), United Airlines( 75%).

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

    On average you can expect to pay $3,694 for a flight from San Francisco to United Kingdom. The cheapest flight overall is $329 while the most popular route, (San Francisco - London Heathrow) is currently priced at $641.

  • 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, February is the cheapest month in which you can book a flight from San Francisco to United Kingdom (average of $642). Flying from San Francisco to United Kingdom in June is currently the most expensive (average of $1,289). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.

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 July 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$151Average$1,006FlexibilityNo cancel feeOn-time62%
IberiaCheapest$400Average$688FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$426Average$549FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$463Average$895FlexibilityNo cancel feeOn-time72%
Alaska AirlinesCheapest$495Average$989FlexibilityNo cancel feeOn-time75%
DeltaCheapest$513Average$976FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$516Average$881FlexibilityNo cancel feeOn-time70%
SWISSCheapest$517Average$1,009FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$533Average$792FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$564Average$1,184FlexibilityNo cancel feeOn-time67%

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