Cheap flights from London to San Francisco

Round-trip
Economy
London (LON)
San Francisco (SFO)
Sat 10/17
Sat 10/24
Any month
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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
Best Price Found $312 The best flight deal from London to San Francisco found on momondo in the last 72 hours is $312
Fastest flight time 10h 55m The fastest flight from London to San Francisco takes 10h 55m.
Direct flights None There are no direct flights from London to San Francisco. Popular non-direct routes for this connection are London Gatwick - San Francisco, London City - San Francisco and London Heathrow - San Francisco.
Airports in San Francisco 1 airport There 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 to San Francisco?
November
The cheapest time of year to fly to San Francisco from London is November. Most expensive is July
What is the cheapest day to fly to San Francisco?
Thursday
The cheapest day of the week is typically Thursday. The most expensive is typically Saturday
When is the cheapest time to fly to San Francisco?
in the morning
London to San Francisco flights are approximately 5% more expensive at noon than in the morning
What is the cheapest airline that flies to San Francisco?
KLM
KLM, Iberia, and SWISS 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 to departure
60
Days before departure
0

Easily compare round-trip flights from London to San Francisco

Below you can see the best fares for your round-trip 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
Cheapest
Best
Quickest
Multiple Airlines
Oct 30
LGW
London Gatwick
26h 00m
2 stops
SFO
San Francisco
Nov 16
SFO
San Francisco
15h 05m
1 stop
LGW
London Gatwick
TAP AIR PORTUGAL
Oct 2
LHR
London Heathrow
19h 15m
1 stop
SFO
San Francisco
Oct 17
SFO
San Francisco
20h 40m
1 stop
LHR
London Heathrow
Multiple Airlines
Oct 2
STN
London Stansted
29h 45m
2 stops
SFO
San Francisco
Oct 17
SFO
San Francisco
34h 55m
2 stops
STN
London Stansted

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.
Cheapest
Best
Quickest
Multiple Airlines
Oct 31
STN
London Stansted
55h 10m
2 stops
SFO
San Francisco
Multiple Airlines
Oct 7
STN
London Stansted
29h 45m
2 stops
SFO
San Francisco
Multiple Airlines
Oct 2
STN
London Stansted
29h 45m
2 stops
SFO
San Francisco

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