Good to Know: LHR to SFO Flights
Useful information for finding cheap flights from London Heathrow to San Francisco International and booking your next trip
Cheapest Round Trip Flight
£600
Swissair• 1 stop • 46h 45mJul 14 – Jul 22
The cheapest round trip flight from London Heathrow to San Francisco International is currently £600
Cheapest Direct Flight
£912
United Airlines• nonstop• 18h 20mJul 14
The cheapest nonstop flight from London Heathrow to San Francisco International is currently £912
Fastest Flight
17h 35m
The fastest nonstop flight from London Heathrow to San Francisco International takes 17h 35m
Best Flight Deals from London to San Francisco
Explore the lowest round-trip fares from London to San Francisco. We've compared hundreds of airlines and travel sites so you don't have to.
Jul 14 - Jul 22, Economy
London → San Francisco
46h 45m
8:05 PM - 4:10 PM • 1 stop
London → San Francisco
17h 5m
1:00 PM - 7:25 AM • nonstop
Swissair
Jul 14 - Jul 22, Economy
London → San Francisco
42h 27m
3:20 PM - 9:07 AM • 1 stop
London → San Francisco
17h 5m
4:00 PM - 10:25 AM • nonstop
United Airlines
Jul 14 - Jul 22, Economy
London → San Francisco
44h 10m
3:20 PM - 10:10 AM • 1 stop
London → San Francisco
17h
7:50 PM - 2:10 PM • nonstop
United Airlines
Jul 14 - Jul 22, Economy
London → San Francisco
27h 1m
1:40 PM - 10:01 PM • 1 stop
London → San Francisco
17h 5m
4:00 PM - 10:25 AM • nonstop
United Airlines
Jul 14 - Jul 22, Economy
London → San Francisco
18h 30m
2:15 PM - 5:25 PM • nonstop
London → San Francisco
25h 55m
8:10 PM - 8:05 PM • 1 stop
British Airways
Whether you're moving or just visiting, here are some of the best one-way flight options from LHR to SFO—searched and filtered with flexibility in mind.
Need to fly soon? We've surfaced some of the most affordable last-minute flights from London to San Francisco, ideal for urgent plans or spontaneous trips.
Looking for the fastest way to San Francisco? These direct flight options from LHR to SFO offer both convenience and value—no layovers, just straight to your destination.
Jul 14 - Jul 22, Economy
London → San Francisco
18h 20m
12:20 PM - 3:20 PM • nonstop
London → San Francisco
17h
7:50 PM - 2:10 PM • nonstop
United Airlines
Jul 14 - Jul 22, Economy
London → San Francisco
18h 20m
12:20 PM - 3:20 PM • nonstop
London → San Francisco
17h 5m
4:00 PM - 10:25 AM • nonstop
Austrian Airlines
Jul 14 - Jul 22, Economy
London → San Francisco
17h 35m
4:15 PM - 7:10 PM • nonstop
London → San Francisco
17h
7:50 PM - 2:10 PM • nonstop
United Airlines
Jul 14 - Jul 22, Economy
London → San Francisco
18h 20m
10:35 AM - 1:35 PM • nonstop
London → San Francisco
17h
7:50 PM - 2:10 PM • nonstop
United Airlines
Jul 14 - Jul 22, Economy
London → San Francisco
17h 35m
4:15 PM - 7:10 PM • nonstop
London → San Francisco
17h
7:50 PM - 2:10 PM • nonstop
Brussels Airlines
Flights from London to San Francisco
| Origin Airport | London Heathrow , London, GB |
| Destination Airport | San Francisco International , San Francisco, US |
| Distance | miles |
More Flight Options for London (LHR) and San Francisco (SFO)
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