Flights from London Heathrow to San Francisco with Swiss International Air Lines

Our cheapest offers for flights from London Heathrow to San Francisco

Here you can compare cheap flights from London Heathrow (LHR) to San Francisco (SFO) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to San Francisco. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
London Heathrow
San Francisco
Outbound
23/11/25
1 Stopover (ZRH)
LX0345, LX0038
18h 30min
Return
02/12/25
1 Stopover (ZRH)
LX0039, LX0316
28h 40min
Swiss International Air Lines
£355
London Heathrow
San Francisco
Outbound
23/11/25
1 Stopover (ZRH)
LX0345, LX0038
18h 30min
Return
02/12/25
direct
UA0901
10h 35min
Swiss International Air Lines ?
£450
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: London Heathrow - San Francisco

Outbound and return from 355,00 GBP
Flight duration min. 11:10 / max. 11:25
Return flight duration min. 10:15/ max. 10:35
Distance 8625 km
Flights per week 47
Departure airport Airport London Heathrow (LHR)
Arrival airport Airport San Francisco International Airport (SFO)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to San Francisco
Popular destinations for onward travel
Flight destinations with a similar price