Cheap flights from London to San Francisco

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London to San Francisco flight comparison made easy

Below you can see the best fares for your 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
Quickest
Cheapest
British Airways
British Airways
31 Jan
06:35
LHR
London Heathrow airport
25h 41m
2 Stops
SFO
00:16
+1
San Francisco airport
British Airways
06 Feb
12:35
SFO
San Francisco airport
10h 25m
LHR
07:00
+1
London Heathrow airport
250 GBP
Lufthansa
Lufthansa
13 Feb
07:40
LHR
London Heathrow airport
19h 55m
1 Stop
SFO
19:35
San Francisco airport
Lufthansa
24 Feb
09:05
SFO
San Francisco airport
34h 15m
1 Stop
LHR
03:20
+2
London Heathrow airport
250 GBP
Lufthansa
Lufthansa
06 Feb
11:10
LHR
London Heathrow airport
16h 25m
1 Stop
SFO
19:35
San Francisco airport
Lufthansa
15 Feb
15:20
SFO
San Francisco airport
23h 10m
1 Stop
LHR
22:30
+1
London Heathrow airport
250 GBP
Finnair
Finnair
16 Jan
15:05
LHR
London Heathrow airport
11h 15m
SFO
18:20
San Francisco airport
Finnair
19 Jan
12:25
SFO
San Francisco airport
10h 35m
LHR
07:00
+1
London Heathrow airport
260 GBP
Virgin Atlantic
Virgin Atlantic
18 Feb
11:40
LHR
London Heathrow airport
11h 05m
SFO
14:45
San Francisco airport
Virgin Atlantic
21 Feb
02:48
SFO
San Francisco airport
12h 57m
1 Stop
LHR
23:45
London Heathrow airport
264 GBP
American Airlines
American Airlines
12 Apr
10:30
LHR
London Heathrow airport
14h 25m
1 Stop
SFO
16:55
San Francisco airport
American Airlines
19 Apr
12:35
SFO
San Francisco airport
10h 25m
LHR
07:00
+1
London Heathrow airport
353 GBP

How to get the cheapest flight 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 for your trip
What is the cheapest month to fly to San Francisco?
November
The cheapest time of year to fly to San Francisco from London is November. The most expensive is July.
What is the cheapest day to fly to 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 to San Francisco?
in the afternoon
London to San Francisco flights are approximately 3% more expensive at midday than in the afternoon
What is the cheapest airline that flies to San Francisco?
Wizz Air UK
Wizz Air UK, Brussels Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from London to San Francisco
What is the cheapest route?
London Heathrow - San Francisco
Fly from London Heathrow to San Francisco for the best London - San Francisco flight prices
When is the cheapest time to book a flight to San Francisco?
59 days before
The cheapest time to buy a flight from London to San Francisco is approximately 59 days before departure
60
Days before departure
0

Flight information for London to San Francisco

Find info about flight duration, direct flights, and airports for your flight from London to San Francisco
Fastest flight time 11h 0m The fastest flight from London to San Francisco takes 11h 0m.
Direct flights Every day Direct flights go from London to San Francisco every day.
Airports in San Francisco 1 airport There is 1 airport near San Francisco: San Francisco (SFO)

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
Birmingham to San Francisco
Fastest flight time
13h 45m
Cheapest price
320 GBP
London to Monterey
Fastest flight time
17h 50m
Cheapest price
819 GBP
Birmingham to Monterey
Fastest flight time
22h 43m
Cheapest price
1,369 GBP

Flights from London to:

Flights to San Francisco from:

*Flight prices to San Francisco are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.