Flights from London Heathrow to San Francisco

Trip type

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
14/07/26
direct
OS7855
11h 05min
Return
-
Austrian Airlines ?
£576
London Heathrow
San Francisco
Outbound
09/02/26
1 Stopover (DUB)
BA5953, BA6147
14h 45min
Return
17/02/26
1 Stopover (DFW)
BA5597, BA1531
13h 52min
British Airways
£368
Best option
London Heathrow
San Francisco
Outbound
16/02/26
direct
LH9374
11h 15min
Return
25/02/26
direct
OS7856
10h 35min
Lufthansa ?
£386
London Heathrow
San Francisco
Outbound
09/02/26
1 Stopover (DUB)
BA5953, BA6147
14h 45min
Return
17/02/26
1 Stopover (DFW)
BA5597, BA1531
13h 52min
British Airways
£369
London Heathrow
San Francisco
Outbound
09/02/26
1 Stopover (DUB)
BA5955, BA6147
13h 45min
Return
17/02/26
1 Stopover (DFW)
BA5600, BA0192
13h 48min
British Airways
£374
London Heathrow
San Francisco
Outbound
14/02/26
1 Stopover (FRA)
LH0919, UA8829
25h 10min
Return
22/02/26
1 Stopover (YVR)
UA8564, UA8582
14h 30min
Lufthansa, United Airlines
£376
London Heathrow
San Francisco
Outbound
14/02/26
1 Stopover (YYZ)
AC0859, AC0741
27h 30min
Return
22/02/26
1 Stopover (YVR)
AC8845, AC0860
16h 30min
Air Canada ?
£378
London Heathrow
San Francisco
Outbound
09/02/26
1 Stopover (FRA)
LH0901, LH9410
14h 25min
Return
17/02/26
direct
OS7856
10h 35min
Lufthansa
£384
London Heathrow
San Francisco
Outbound
14/02/26
1 Stopover (YYZ)
AC0859, AC0741
27h 30min
Return
22/02/26
1 Stopover (YVR)
AC8843, AC0860
20h 20min
Air Canada
£384
London Heathrow
San Francisco
Outbound
14/02/26
1 Stopover (YYZ)
AC0859, AC0741
27h 30min
Return
22/02/26
1 Stopover (YVR)
AC8843, AC0860
20h 20min
Air Canada
£385
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London Heathrow to San Francisco

Favourite airline: SAS
The favourite airline for flights from London Heathrow to San Francisco is SAS.
SAS
17 %
British Airways
14 %
United Airlines
13 %
Direct flights are more expensive
On this route, direct flights are £54.00 more expensive than flights with a stopover.
non stop flight
1 stop
2 stops
11h 05min
26h 45min
22h 55min
498 £GB
444 £GB
1 190 £GB
Favourite connection: via Copenhagen
The most popular flights on this route are via Copenhagen and are booked by 26 % of all travellers.
Route
bookings
1 stopover Copenhagen
17h 10min, from 603 £GB
26 %
Direct flights
11h 05min, from 498 £GB
20 %
1 stopover Frankfurt-Main
15h 35min, from 484 £GB
19 %

Important flight information

Flight information: London Heathrow - San Francisco

Cheapest outbound flight from 575,59 £GB
Outbound and return from 367,99 £GB
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