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Cheap flights from San Francisco to the United Kingdom from £180

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to United Kingdom

Enter your travel dates to find the best prices.

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 13 March 2026.

Mon 20/416:45
SFO
-
LHR
1 stop15h 15m
Scandinavian Airlines
Tue 5/506:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Deal found 9/3£452
Mon 20/416:45
SFO
-
LHR
2 stops15h 40m
Scandinavian Airlines
Sat 9/506:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Deal found 8/3£453
Mon 20/416:45
SFO
-
STN
2 stops22h 35m
Multiple Airlines
Mon 27/411:10
STN
-
SFO
3 stops35h 30m
Multiple Airlines
Deal found 8/3£455
Sun 19/416:45
SFO
-
LHR
1 stop16h 55m
Scandinavian Airlines
Tue 28/406:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Deal found 8/3£456
Tue 29/916:45
SFO
-
LHR
2 stops15h 40m
Scandinavian Airlines
Tue 13/1019:50
LHR
-
SFO
2 stops26h 50m
Scandinavian Airlines
Deal found 9/3£456
Thu 1/1016:45
SFO
-
LHR
2 stops16h 15m
Scandinavian Airlines
Tue 13/1021:05
LHR
-
SFO
2 stops25h 35m
Scandinavian Airlines
Deal found 9/3£457
Sun 26/416:45
SFO
-
LHR
1 stop15h 15m
Scandinavian Airlines
Tue 12/506:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Deal found 11/3£458
Mon 20/416:45
SFO
-
LHR
1 stop17h 45m
Scandinavian Airlines
Mon 27/419:30
LHR
-
SFO
1 stop27h 10m
Scandinavian Airlines
Deal found 10/3£459
Tue 7/416:35
SFO
-
LGW
1 stop33h 10m
TAP AIR PORTUGAL
Thu 16/421:20
LGW
-
SFO
2 stops27h 30m
TAP AIR PORTUGAL
Deal found 11/3£459
Mon 27/416:45
SFO
-
LHR
1 stop15h 15m
Scandinavian Airlines
Wed 6/519:50
LHR
-
SFO
2 stops26h 50m
Scandinavian Airlines
Deal found 9/3£459
Mon 2/1116:40
SFO
-
LHR
1 stop15h 20m
Scandinavian Airlines
Tue 10/1106:40
LHR
-
SFO
1 stop15h 55m
Scandinavian Airlines
Deal found 9/3£460
Thu 23/419:55
SFO
-
LGW
1 stop29h 50m
TAP AIR PORTUGAL
Mon 27/421:15
LGW
-
SFO
2 stops25h 20m
TAP AIR PORTUGAL
Deal found 10/3£461

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 13 March 2026.

Round-trip from

£452

One-way from

£180

Popular in

June

Cheapest in

February

Average price

£521

Good round-trip deal

£494 or less

Good one-way deal

£270 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 20/4-5/5
  • 2 total stops
  • 31h 15m total
  • San Francisco to United Kingdom
Search Deals
British Airways
  • British Airways
  • 17/8
  • 2 total stops
  • 19h 19m total
  • San Francisco to United Kingdom
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from San Francisco to United Kingdom.
Search Deals
Price to beat on a one-way flight from San Francisco to United Kingdom.
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 13 March 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 return flight

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Wed 29/4

16:35-15:35

1 stop15h 00m

Glasgow Intl

Mon 11/5

20:50-13:50

1 stop25h 00m

£521

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 23/3

06:00-09:40

1 stop20h 40m

London Heathrow

Wed 1/4

06:55-14:30

1 stop15h 35m

£527

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 4/5

16:35-11:10

Nonstop10h 35m

London Heathrow

Mon 11/5

16:25-14:30

1 stop30h 05m

£532

San FranciscoEdinburgh

SFO - EDI

SFOEDI

San Francisco

Tue 1/9

16:45-09:30

2 stops32h 45m

Edinburgh Turnhouse

Tue 29/9

19:10-14:40

1 stop27h 30m

£535

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Tue 8/9

19:30-16:45

1 stop13h 15m

Glasgow Intl

Tue 20/10

09:35-20:21

2 stops18h 46m

£536

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Mon 10/8

16:35-16:10

1 stop15h 35m

Glasgow Intl

Thu 20/8

12:40-22:39

2 stops17h 59m

£536

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Thu 23/4

12:55-00:50

2 stops27h 55m

London Luton

Tue 28/4

12:45-16:40

2 stops35h 55m

£537

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Sun 5/4

16:35-23:05

1 stop22h 30m

Glasgow Intl

Wed 22/4

16:50-13:50

1 stop29h 00m

£542

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 30/3

16:25-13:20

1 stop12h 55m

London Heathrow

Tue 7/4

13:00-16:10

Nonstop11h 10m

£545

San FranciscoBirmingham

SFO - BHX

SFOBHX

San Francisco

Mon 10/8

13:45-21:25

1 stop23h 40m

Birmingham

Tue 18/8

20:15-11:45

1 stop23h 30m

£546

Flights are sorted by cheapest return flights first.

Deals found on 13/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 return 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, October is the cheapest month in which you can book a flight from San Francisco to United Kingdom (average of £372). Flying from San Francisco to United Kingdom in June is currently the most expensive (average of £571). 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 13 March 2026.

It’s optimal to fly from San Francisco to United Kingdom in the morning. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at midday.

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

Use this chart to determine the cheapest time to fly return from San Francisco to United Kingdom. Price data was last updated on 12 March 2026.

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

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 13 March 2026.

The most flights from SFO to GB0 are scheduled on a Wednesday (31 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (20 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 151 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 early afternoon 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 past year, British Airways have had the lowest number of delays on this route, with just 9% of flights being delayed.

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 13 March 2026.
See what other customers who have flown with KLM,Virgin Atlantic, andUnited Airlines from San Francisco to the United Kingdom have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,471 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,471 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
680 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,418 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,846 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,784 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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?

    If you book a flight to United Kingdom from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

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

    There are many flights that can get you from San Francisco to United Kingdom in 10h 15m. Fly via British Airways, KLM, or United Airlines to get the fastest option. Airlines will cover a distance of 5350 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at £172. Virgin Atlantic flights start at £172 while deals on British Airways start at £174 one-way.

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

    Most travelers choose San Francisco - London Heathrow, San Francisco - London Gatwick or San Francisco - London City when deciding on the best route from San Francisco to United Kingdom.

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

    Consider Air Canada (86%), Austrian Airlines (86%) or United Airlines (86%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to United Kingdom.

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

    On average you can expect to pay £1,416 for a flight from San Francisco to United Kingdom. The cheapest flight overall is £174 while the most popular route, (San Francisco - London Heathrow) is currently priced at £372.

  • 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 holiday 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, October is the cheapest month in which you can book a flight from San Francisco to United Kingdom (average of £372). Flying from San Francisco to United Kingdom in June is currently the most expensive (average of £571). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from San Francisco to United Kingdom

Discover the top 7 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 858,174 searches. Data last updated 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£370Average£582FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£371Average£709FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£373Average£594FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£388Average£661FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£405Average£584FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest£427Average£569FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Aer LingusCheapest£539Average£675FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to United Kingdom?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to United Kingdom from San Francisco today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Francisco to United Kingdom?

Cheapflights helps you find that perfect flight to United Kingdom from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco to United Kingdom with no change fees?

Certainly. Search results for flights to United Kingdom from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Francisco to United Kingdom become cheaper?

Of course! You can now track prices for flights from San Francisco to United Kingdom and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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