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
Delta
Delta
25 Mar.
2:55 a.m.
YXU
London airport
12h 41m
2 Stops
SFO
12:36 p.m.
San Francisco airport
Delta
29 Mar.
11:00 p.m.
SFO
San Francisco airport
8h 52m
2 Stops
YXU
10:52 a.m.
+1
London airport
768 C$
WestJet
WestJet
22 May
2:10 a.m.
YXU
London airport
11h 48m
2 Stops
SFO
10:58 a.m.
San Francisco airport
WestJet
31 May
11:00 p.m.
SFO
San Francisco airport
9h 17m
2 Stops
YXU
11:17 a.m.
+1
London airport
828 C$
Delta
Delta
07 Feb.
5:35 a.m.
YXU
London airport
10h 39m
2 Stops
SFO
1:14 p.m.
San Francisco airport
Delta
23 Feb.
10:00 p.m.
SFO
San Francisco airport
8h 55m
2 Stops
YXU
9:55 a.m.
+1
London airport
832 C$
United Airlines
United Airlines
15 May
11:15 a.m.
YXU
London airport
8h 45m
1 Stop
SFO
5:00 p.m.
San Francisco airport
United Airlines
23 May
3:50 p.m.
SFO
San Francisco airport
9h 29m
1 Stop
YXU
4:19 a.m.
+1
London airport
949 C$
Delta
Delta
07 Feb.
5:35 a.m.
YXU
London airport
10h 39m
2 Stops
SFO
1:14 p.m.
San Francisco airport
Delta
23 Feb.
10:00 p.m.
SFO
San Francisco airport
8h 55m
2 Stops
YXU
9:55 a.m.
+1
London airport
832 C$
WestJet
WestJet
22 May
2:10 a.m.
YXU
London airport
11h 48m
2 Stops
SFO
10:58 a.m.
San Francisco airport
WestJet
31 May
11:00 p.m.
SFO
San Francisco airport
9h 17m
2 Stops
YXU
11:17 a.m.
+1
London airport
828 C$

How to get the cheapest flight from London, Ontario 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?
February
The cheapest time of year to fly to San Francisco from London, Ontario is February. The most expensive is March.
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 afternoon
London, Ontario to San Francisco flights are approximately 7% more expensive in the morning than in the afternoon
What is the cheapest airline that flies to San Francisco?
Air Canada
Air Canada, Delta, and WestJet are the most popular carriers operating from London, Ontario to San Francisco
What is the cheapest route?
London - San Francisco
Fly from London to San Francisco for the best London, Ontario - San Francisco flight prices
YXU
London
SFO
San Francisco
When is the cheapest time to book a flight to San Francisco?
56 days before
The cheapest time to buy a flight from London, Ontario to San Francisco is approximately 56 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 8h 55m The fastest flight from London to San Francisco takes 8h 55m.
Direct flights None There are no direct flights from London to San Francisco. Popular non-direct route for this connection is London - San Francisco.
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
Toronto to San Francisco
Fastest flight time
8h 59m
Cheapest price
397 C$
Toronto to Monterey
Fastest flight time
6h 58m
Cheapest price
589 C$
Sarnia to San Francisco
Fastest flight time
18h 00m
Cheapest price
834 C$

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.