Cheap flights from London to San Francisco

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Tue 28/9

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from London to San Francisco.
View current United States travel restrictions

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
Best price found£181The best flight deal from London to San Francisco found on momondo in the last 72 hours is £181
Fastest flight time10h 50mThe fastest flight from London to San Francisco takes 10h 50m
Direct flightsNoneThere are no direct flights from London to San Francisco. Popular non-direct routes for this connection are London City Airport - San Francisco Airport, London Heathrow Airport - San Francisco Airport and London Gatwick 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?

Wednesday

The cheapest day of the week is usually Wednesday. 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 16% more expensive in the evening than in the afternoon

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

United Airlines

Air France, American Airlines, and Brussels Airlines are the most popular carriers operating from London to San Francisco

What is the cheapest London to San Francisco flight route?

London Gatwick - San Francisco

Fly from London Gatwick 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
15 Jan
LHR01:00London Heathrow
16h 55m
1 stop
SFO17:55San Francisco
22 Jan
SFO11:40San Francisco
14h 50m
1 stop
LHR02:30London Heathrow
Lufthansa
18 Jan
LHR06:10London Heathrow
16h 25m
1 stop
SFO22:35San Francisco
26 Jan
SFO12:25San Francisco
10h 35m
LHR23:00London Heathrow
Brussels Airlines
17 Jan
LHR01:45London Heathrow
22h 02m
2 stops
SFO23:47San Francisco
2 Feb
SFO05:40San Francisco
16h 25m
1 stop
LHR22:05London Heathrow
SWISS
1 Nov
LHR04:50London Heathrow
15h 25m
1 stop
SFO20:15San Francisco
8 Nov
SFO14:50San Francisco
15h 25m
1 stop
LHR06:15London Heathrow
TAP AIR PORTUGAL
15 Jan
LHR01:00London Heathrow
16h 55m
1 stop
SFO17:55San Francisco
22 Jan
SFO11:40San Francisco
18h 15m
1 stop
LHR05:55London Heathrow
Brussels Airlines
17 Jan
LHR01:45London Heathrow
22h 02m
2 stops
SFO23:47San Francisco
27 Jan
SFO01:30San Francisco
19h 45m
2 stops
LHR21:15London 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 British Airways, Lufthansa and TAP AIR PORTUGAL
Multiple Airlines
12 Oct
LHR06:20London Heathrow
20h 08m
2 stops
SFO02:28San Francisco
TAP AIR PORTUGAL
12 Jan
LHR13:30London Heathrow
28h 25m
1 stop
SFO17:55San Francisco
British Airways
12 Oct
LHR10:15London Heathrow
11h 05m
SFO21:20San Francisco

Search last-minute flights to San Francisco from London

Find and compare flight prices for your last-minute flight from London to San Francisco
TAP AIR PORTUGAL
24 Sep
LHR02:00London Heathrow
16h 35m
1 stop
SFO18:35San Francisco
22 Oct
SFO12:20San Francisco
17h 25m
1 stop
LHR05:45London Heathrow
SAS
22 Sep
LHR14:05London Heathrow
28h 45m
2 stops
SFO18:50San Francisco
18 Oct
SFO07:30San Francisco
22h 10m
1 stop
LHR05:40London Heathrow
TAP AIR PORTUGAL
23 Sep
LHR07:20London Heathrow
35h 15m
1 stop
SFO18:35San Francisco
24 Oct
SFO12:20San Francisco
15h 15m
1 stop
LHR03:35London Heathrow
TAP AIR PORTUGAL
24 Sep
LHR02:00London Heathrow
16h 35m
1 stop
SFO18:35San Francisco
21 Oct
SFO12:20San Francisco
15h 15m
1 stop
LHR03:35London Heathrow
TAP AIR PORTUGAL
22 Sep
LHR14:45London Heathrow
27h 50m
1 stop
SFO18:35San Francisco
24 Oct
SFO12:20San Francisco
15h 15m
1 stop
LHR03:35London Heathrow
TAP AIR PORTUGAL
24 Sep
LHR02:00London Heathrow
16h 35m
1 stop
SFO18:35San Francisco
17 Oct
SFO12:20San Francisco
17h 25m
1 stop
LHR05:45London 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
Delta
PriceFrom £231
Free cancellation
Rating
8.3
KLM
PriceFrom £238
Free cancellation
Rating
7.9
United Airlines
PriceFrom £246
Free cancellation
Rating
6.8
American Airlines
PriceFrom £246
Free cancellation
Rating
7.2
Air Canada
PriceFrom £247
Free cancellation
Rating
7.5
Iberia
PriceFrom £250
Free cancellation
Rating
6.9
Finnair
PriceFrom £252
Free cancellation
Rating
7.2
British Airways
PriceFrom £252
Free cancellation
Rating
6.9
Virgin Atlantic
PriceFrom £253
Free cancellation
Rating
9.3
Brussels Airlines
PriceFrom £254
Free cancellation
Rating
6.8

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

    Due to the global impact of COVID-19, some of our airline partners operating flights from London to San Francisco, such as British Airways, Virgin Atlantic, and United Airlines may have flexible cancellation policies in place. Use our site to search for all of the airlines offering this flexibility to you.

  • How far is London to San Francisco by plane?

    A flight from London to San Francisco will travel around 5349.7 mi. 13h 40m is a normal flight duration for this route.


Can I fly to San Francisco from London right now?

Information is based on travel restrictions from London to San Francisco

Most visitors from London will not be allowed to enter San Francisco.

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Francisco.

Quarantine requirements
Visitors from London are not required to quarantine after entering San Francisco.

Can I fly back to London from San Francisco?

Returning to London from San Francisco

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering London.

If you are planning to travel to San Francisco at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

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 00m
Cheapest price£265
London to San Diego Flights
Fastest flight time11h 10m
Cheapest price£304
London to San Jose Flights
Fastest flight time13h 00m
Cheapest price£317
Manchester to Los Angeles Flights
Fastest flight time13h 55m
Cheapest price£334
London to Ontario Flights
Fastest flight time15h 34m
Cheapest price£342
Manchester to San Francisco Flights
Fastest flight time14h 35m
Cheapest price£344
Manchester to San Diego Flights
Fastest flight time17h 58m
Cheapest price£349
Newcastle upon Tyne to Los Angeles Flights
Fastest flight time13h 50m
Cheapest price£354
Birmingham to Los Angeles Flights
Fastest flight time15h 35m
Cheapest price£358
London to Burbank Flights
Fastest flight time15h 42m
Cheapest price£396
London to Santa Ana Flights
Fastest flight time14h 19m
Cheapest price£397
London to Oakland, California Flights
Fastest flight time17h 44m
Cheapest price£406