Find Deals on Flights from London to San Francisco (LON - SFO)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from London to San Francisco

(Round-trip)
Depart: Thu Nov 24 2016 Return: Mon Nov 28 2016 Trip spans 5 days
British Airways
British Airways
LGW
SFO
14h 35m
1 stop
SFO
LGW
12h 35m
1 stop
Depart: Sun May 15 2016 Return: Wed May 18 2016 Trip spans 4 days
WestJet
WestJet
LGW
SFO
34h 17m
1 stop
SFO
LGW
19h 12m
1 stop
Depart: Wed Nov 9 2016 Return: Tue Nov 29 2016 Trip spans 21 days
Finnair
Finnair
LHR
SFO
11h 05m
nonstop
SFO
LHR
10h 25m
nonstop
Depart: Thu Oct 27 2016 Return: Sat Nov 5 2016 Trip spans 10 days
WOW air
WOW air
LGW
SFO
13h 55m
1 stop
SFO
LGW
13h 40m
1 stop
Depart: Mon Oct 31 2016 Return: Mon Nov 14 2016 Trip spans 15 days
KLM
KLM
LHR
SFO
17h 30m
2 stops
SFO
LHR
13h 30m
1 stop
Depart: Sat May 21 2016 Return: Mon May 23 2016 Trip spans 3 days
United
United
LHR
SFO
23h 12m
1 stop
SFO
LHR
14h 56m
1 stop
Depart: Sat Oct 29 2016 Return: Thu Nov 3 2016 Trip spans 6 days
Virgin Atlantic
Virgin Atlantic
LHR
SFO
11h 20m
nonstop
SFO
LHR
10h 20m
nonstop
Depart: Wed Jun 8 2016 Return: Wed Jun 15 2016 Trip spans 8 days
Austrian Airlines
Austrian Airlines
LHR
SFO
14h 10m
1 stop
SFO
LHR
13h 50m
1 stop
Depart: Mon Sep 12 2016 Return: Mon Sep 19 2016 Trip spans 8 days
Air Canada
Air Canada
LGW
SFO
20h 09m
1 stop
SFO
LGW
14h 50m
1 stop
Depart: Tue Jun 21 2016 Return: Tue Jul 5 2016 Trip spans 15 days
Lufthansa
Lufthansa
LCY
SFO
18h 30m
1 stop
SFO
LCY
13h 15m
1 stop
Depart: Mon May 16 2016 Return: Mon May 30 2016 Trip spans 15 days
SWISS
SWISS
LCY
SFO
28h 20m
1 stop
SFO
LCY
18h 15m
1 stop
Depart: Thu Jun 2 2016 Return: Thu Jun 9 2016 Trip spans 8 days
Turkish Airlines
Turkish Airlines
LGW
SFO
35h 50m
1 stop
SFO
LGW
30h 55m
1 stop
Depart: Sun Jun 19 2016 Return: Sun Jun 26 2016 Trip spans 8 days
Brussels Airlines
Brussels Airlines
LHR
SFO
10h 50m
nonstop
SFO
LHR
10h 20m
nonstop
Depart: Mon Jul 11 2016 Return: Mon Jul 18 2016 Trip spans 8 days
$1301
Select
Iberia
Iberia
LHR
SFO
15h 33m
1 stop
SFO
LHR
13h 35m
1 stop
Depart: Thu Nov 10 2016 Return: Sun Nov 20 2016 Trip spans 11 days
British Airways
British Airways
LGW
SFO
14h 35m
1 stop
SFO
LGW
12h 35m
1 stop
Depart: Tue May 10 2016 Return: Mon May 16 2016 Trip spans 7 days
WestJet
WestJet
LGW
SFO
17h 12m
1 stop
SFO
LGW
19h 27m
1 stop
Depart: Wed Nov 16 2016 Return: Mon Nov 21 2016 Trip spans 6 days
United
United
LHR
SFO
15h 45m
1 stop
SFO
LHR
10h 35m
nonstop
Depart: Mon Aug 29 2016 Return: Mon Oct 3 2016 Trip spans 36 days
WOW air
WOW air
LGW
SFO
13h 55m
1 stop
SFO
LGW
13h 40m
1 stop
Depart: Thu May 12 2016 Return: Fri May 20 2016 Trip spans 9 days
$1520
Select
airberlin
airberlin
LCY
SFO
35h 00m
2 stops
SFO
LCY
41h 00m
2 stops
Depart: Fri Oct 28 2016 Return: Sat Nov 5 2016 Trip spans 9 days
WOW air
WOW air
LGW
SFO
13h 55m
1 stop
SFO
LGW
13h 40m
1 stop
Direct flights LON to SFO on Delta
Flight # Depart LHR Arrive SFO Sun Mon Tue Wed Thu Fri Sat Valid Between
4390 11:50 am 3:10 pm Apr 28 - Sep 3
4362 3:40 pm 6:50 pm Apr 28 - Oct 29
4362 3:50 pm 7:00 pm May 30 - Oct 24
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We make every attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller
At KAYAK we don’t set prices, so it’s not possible for us to guarantee what other companies are selling.

We aggregate tons of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we don't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find on occasion that certain prices are no longer available.

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Airports
Origin

London
only $662
only $925
only $637
Destination

San Francisco
$637