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 One way Flight
£2946
Virgin Atlantic• 1 stop• 20h 35mDec 26
The cheapest one way flight from London Heathrow to San Francisco International is currently £2946
Fastest Flight
20h 35m
The fastest nonstop flight from London Heathrow to San Francisco International takes 20h 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.
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.
Flights from London to San Francisco
| Origin Airport | London Heathrow , London, GB |
| Destination Airport | San Francisco International , San Francisco, US |
| Distance | miles |
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