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
SWISS
SWISS
04 Nov
LHR
08:50
London Heathrow airport
15h 25m
1 Stop
16:15
SFO
San Francisco airport
SWISS
11 Nov
SFO
07:05
San Francisco airport
10h 35m
01:40
+1
LHR
London Heathrow airport
276 GBP
SWISS
SWISS
04 Nov
LHR
08:50
London Heathrow airport
15h 25m
1 Stop
16:15
SFO
San Francisco airport
SWISS
11 Nov
SFO
07:05
San Francisco airport
10h 35m
01:40
+1
LHR
London Heathrow airport
276 GBP
Lufthansa
Lufthansa
01 Nov
LHR
08:30
London Heathrow airport
15h 00m
1 Stop
16:30
SFO
San Francisco airport
Lufthansa
10 Nov
SFO
00:20
San Francisco airport
19h 00m
1 Stop
03:20
+1
LHR
London Heathrow airport
278 GBP
Norwegian Air UK
Norwegian Air UK
04 Oct
LGW
14:30
London Gatwick airport
11h 00m
17:30
SFO
San Francisco airport
Norwegian Air UK
08 Oct
SFO
11:30
San Francisco airport
10h 10m
05:40
+1
LGW
London Gatwick airport
399 GBP
Virgin Atlantic
Virgin Atlantic
03 Oct
LHR
14:25
London Heathrow airport
11h 00m
17:25
SFO
San Francisco airport
Virgin Atlantic
12 Oct
SFO
11:00
San Francisco airport
10h 15m
05:15
+1
LHR
London Heathrow airport
331 GBP
Norwegian
Norwegian
05 Nov
LGW
12:55
London Gatwick airport
11h 00m
15:55
SFO
San Francisco airport
Norwegian
12 Nov
SFO
09:45
San Francisco airport
10h 15m
04:00
+1
LGW
London Gatwick airport
350 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
CHEAPEST MONTH TO FLY
February
The cheapest time of year to fly to San Francisco from London is February. The most expensive is July.
CHEAPEST DAY TO FLY
Wednesday
The cheapest day of the week is usually Wednesday. The most expensive is usually Sunday.
CHEAPEST TIME TO FLY
in the afternoon
London to San Francisco flights are approximately 111% more expensive in the evening than in the afternoon
CHEAPEST AIRLINE
Brussels Airlines
Brussels Airlines, United Airlines, and Air Canada are the most popular carriers operating from London to San Francisco
CHEAPEST ROUTE
London Heathrow - San Francisco
Fly from London Heathrow to San Francisco for the best London - San Francisco flight prices
CHEAPEST TIME TO BOOK
60 days before
The cheapest time to buy a flight from London to San Francisco is approximately 60 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 20m
Cheapest price
342 GBP
Manchester to San Francisco
Fastest flight time
10h 55m
Cheapest price
365 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.