Cheap flights from London to San Francisco from €309

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1 adult
Economy
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Tue 14/12

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Flight information for London to San Francisco
(LON to SFO)

Find info about flight duration, direct flights, and airports for your flight from London to San Francisco
Fastest flight time11h 00mThe fastest flight from London to San Francisco takes 11h 00m
Direct flightsNoneThere are no direct flights from London to San Francisco. Popular non-direct route for this connection is London Heathrow Airport - San Francisco Airport.
Airports in San Francisco1 airportThere is 1 airport near San Francisco: San Francisco (SFO)

How to get the cheapest flight ticket from London to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from London to San Francisco?

February

The cheapest time of year to fly to San Francisco from London is February. The most expensive is July.

What is the cheapest day to depart London for San Francisco?

Monday

The cheapest day of the week is usually Monday. The most expensive is usually Sunday.

When is the cheapest time to fly from London to San Francisco?

in the afternoon

London to San Francisco flights are approximately 18% more expensive at midday than in the afternoon

What is the cheapest airline that flies to San Francisco from London?

British Airways

British Airways and Lufthansa are the most popular carriers operating from London to San Francisco

What is the cheapest London to San Francisco flight route?

London Heathrow - San Francisco

Fly from London Heathrow to San Francisco for the best London - San Francisco flight prices

How far in advance should you book London to San Francisco flights?

60 days before

The cheapest time to buy a flight from London to San Francisco is approximately 60 days to departure


Easily compare return flights from London to San Francisco

Below you can see the best fares for your return flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London to San Francisco by changing tabs
TAP AIR PORTUGAL
17 Mar
LHR02:00London Heathrow
16h 55m
1 stop
SFO18:55San Francisco
1 Apr
SFO12:20San Francisco
17h 25m
1 stop
LHR05:45London Heathrow
JetBlue
12 Jan
LHR08:55London Heathrow
17h 29m
1 stop
SFO02:24San Francisco
19 Jan
SFO02:00San Francisco
19h 05m
1 stop
LHR21:05London Heathrow
Lufthansa
17 Jan
LHR03:30London Heathrow
14h 55m
1 stop
SFO18:25San Francisco
1 Feb
SFO03:25San Francisco
13h 55m
1 stop
LHR17:20London Heathrow
Brussels Airlines
19 Jan
LHR01:50London Heathrow
21h 37m
2 stops
SFO23:27San Francisco
1 Feb
SFO01:35San Francisco
19h 30m
2 stops
LHR21:05London Heathrow
SWISS
16 Mar
LHR04:50London Heathrow
15h 15m
1 stop
SFO20:05San Francisco
30 Mar
SFO07:30San Francisco
20h 50m
2 stops
LHR04:20London Heathrow
KLM
20 Jan
LHR01:30London Heathrow
13h 40m
1 stop
SFO15:10San Francisco
4 Feb
SFO10:45San Francisco
10h 15m
LHR21:00London Heathrow

Find the cheapest one-way flights from London to San Francisco

If you're looking for one-way flights from London to San Francisco, view some of our deals below provided by Finnair and TAP AIR PORTUGAL
TAP AIR PORTUGAL
20 Mar
LHR12:30London Heathrow
30h 25m
1 stop
SFO18:55San Francisco
Multiple Airlines
20 Mar
LHR03:15London Heathrow
35h 39m
2 stops
SFO14:54San Francisco
Finnair
20 Mar
LHR11:10London Heathrow
11h 15m
SFO22:25San Francisco

Search last-minute flights to San Francisco from London

Find and compare return flight prices for your last-minute flight from London to San Francisco
TAP AIR PORTUGAL
9 Dec
LHR01:00London Heathrow
16h 55m
1 stop
SFO17:55San Francisco
30 Dec
SFO11:40San Francisco
18h 15m
1 stop
LHR05:55London Heathrow
JetBlue
7 Dec
LHR08:55London Heathrow
17h 22m
1 stop
SFO02:17San Francisco
24 Jan
SFO02:00San Francisco
19h 05m
1 stop
LHR21:05London Heathrow
SAS
11 Dec
LHR10:35London Heathrow
31h 20m
2 stops
SFO17:55San Francisco
16 Jan
SFO06:20San Francisco
20h 40m
1 stop
LHR03:00London Heathrow
Virgin Atlantic
7 Dec
LHR01:30London Heathrow
13h 40m
1 stop
SFO15:10San Francisco
24 Jan
SFO10:45San Francisco
10h 15m
LHR21:00London Heathrow
Multiple Airlines
8 Dec
LHR01:55London Heathrow
17h 10m
1 stop
SFO19:05San Francisco
10 Feb
SFO11:05San Francisco
10h 20m
LHR21:25London Heathrow
United Airlines
8 Dec
LHR01:30London Heathrow
16h 55m
1 stop
SFO18:25San Francisco
7 Feb
SFO19:45San Francisco
26h 30m
1 stop
LHR22:15London Heathrow

Best airlines flying from London to San Francisco

Compare and see reviews for airlines that fly from London to San Francisco with momondo
AirlineRatingFree cancellationPrice
British Airways
PriceFrom €327
Free cancellation
Rating
6.9
Lufthansa
PriceFrom €352
Free cancellation
Rating
7.5

  • Are airlines flying from London to San Francisco offering flexible cancellation due to COVID-19?

    Some of our partner airlines flying from London to San Francisco are adapting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are British Airways, Lufthansa, and United Airlines. You can search for the full list of airlines such as British Airways that are offering this flexibility.

  • How far is London to San Francisco by plane?

    The straight-line distance from London to San Francisco is 8609.4 km. By plane, this route typically takes 11h 05m.


Alternative routes for London to San Francisco

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
London to Los Angeles Flights
Fastest flight time11h 30m
Cheapest price€520
London to Ontario Flights
Fastest flight time18h 12m
Cheapest price€983