Good to Know: LON to SFO Flights
Useful information for finding cheap flights from London All Airport to San Francisco International and booking your next trip
Cheapest One way Flight
£681
TAP - Air Portugal• 2 stops• 42h 20mNov 01
The cheapest one way flight from London All Airport to San Francisco International is currently £681
Fastest Flight
20h 41m
The fastest nonstop flight from London All Airport to San Francisco International takes 20h 41m
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 LON 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 LON to SFO offer both convenience and value—no layovers, just straight to your destination.
Flights from London to San Francisco
| Origin Airport | London All Airport, London, GB |
| Destination Airport | San Francisco International , San Francisco, US |
| Distance | miles |
More Flight Options for London (LON) and San Francisco (SFO)
Why Fareleaders for LON to SFO Flights
Lowest Prices
Uncover the best deals on LON to SFO flights by comparing fares from hundreds of airlines and agencies.
New Deals Everyday
Get the best prices on LON to SFO flights—we update our fares daily so you never miss a saving.
Best Travel Options
Compare hundreds of LON to SFO flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the London (LON) to San Francisco (SFO)
Terms and Conditions*