Flights from London to San Francisco

Our cheapest offers for flights from London to San Francisco

Here you can compare cheap flights from London (LON) 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
San Francisco
Outbound
03/23/26
1 Stopover (CPH)
SK0500, SK0935
15h 55min
Return
04/20/26
1 Stopover (CPH)
SK0936, SK1517
16h 55min
SAS Scandinavian Airlines ?
$591
Best option
London
San Francisco
Outbound
04/03/26
direct
VS0019
11h 35min
Return
04/16/26
direct
VS0020
10h 45min
Virgin Atlantic Airways
$648
London
San Francisco
Outbound
03/23/26
2 Stopovers (FRA, SEA)
LH0901, DE2032, AS0528
19h 40min
Return
04/20/26
2 Stopovers (SEA, FRA)
AS0656, DE2033, LH0914
23h 30min
Lufthansa, Condor, Alaska Airlines
$1,056
London
San Francisco
Outbound
03/23/26
1 Stopover (CPH)
SK1508, SK0935
27h 05min
Return
04/20/26
1 Stopover (CPH)
SK0936, SK0505
15h 15min
SAS Scandinavian Airlines ?
$599
London
San Francisco
Outbound
03/23/26
1 Stopover (CPH)
SK0500, SK0935
15h 55min
Return
04/20/26
2 Stopovers (CPH, OSL)
SK0936, SK1456, SK0809
15h 40min
SAS Scandinavian Airlines
$606
London
San Francisco
Outbound
03/23/26
1 Stopover (CPH)
SK0500, SK0935
15h 55min
Return
04/20/26
2 Stopovers (CPH, OSL)
SK0936, SK1456, SK0809
15h 40min
SAS Scandinavian Airlines
$608
London
San Francisco
Outbound
03/23/26
1 Stopover (CPH)
SK0502, SK0935
36h 15min
Return
04/20/26
1 Stopover (CPH)
SK0936, SK0501
32h 35min
SAS Scandinavian Airlines
$609
London
San Francisco
Outbound
03/23/26
1 Stopover (CPH)
SK0502, SK0935
36h 15min
Return
04/20/26
1 Stopover (CPH)
SK0936, SK0501
32h 35min
SAS Scandinavian Airlines
$610
London
San Francisco
Outbound
03/23/26
1 Stopover (CPH)
SK0500, SK0935
15h 55min
Return
04/20/26
1 Stopover (CPH)
SK0936, SK0505
15h 15min
SAS Scandinavian Airlines ?
$613
London
San Francisco
Outbound
03/23/26
1 Stopover (CPH)
SK0500, SK0935
15h 55min
Return
04/20/26
1 Stopover (CPH)
SK0936, SK0505
15h 15min
SAS Scandinavian Airlines
$632
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 to San Francisco

Favorite airline: SAS
18 % of flights from London to San Francisco are booked with SAS.
SAS
18 %
United Airlines
16 %
Lufthansa
12 %
Direct flights are more expensive
On this route, direct flights are $11.00 more expensive than flights with a stopover.
non stop flight
1 stop
2 stops
11h 05min
16h 35min
23h 30min
$ 478
$ 467
$ 1.040
Favourite connection: via Copenhagen
23 % of booked tickets on this route are for flights with a transfer in Copenhagen.
Route
bookings
1 stopover Copenhagen
17h 10min, from $ 475
23 %
Direct flights
11h 05min, from $ 478
17 %
1 stopover Frankfurt-Main
16h 35min, from $ 467
16 %

Important flight information

Flight information: London - San Francisco

Roundtrip from $ 590,64
Flight duration min. 11:10 / max. 11:25
Return flight duration min. 10:15/ max. 10:35
Distance 8637 km
Flights per week 47
Departure airport Airport London, all Airports (LON)
Departure country Flights from United Kingdom
Arrival airport Airport San Francisco International Airport, CA (SFO)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to San Francisco
Flight destinations with a similar price
Flight destinations with a similar price