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

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 San Francisco to London

(Round-trip)
Depart: Tue Dec 6 2016 Return: Thu Dec 8 2016 Trip spans 3 days
Depart: Tue Jan 3 2017 Return: Tue Jan 17 2017 Trip spans 15 days
Depart: Sat Feb 18 2017 Return: Sat Feb 25 2017 Trip spans 8 days
Depart: Mon Oct 24 2016 Return: Sun Oct 30 2016 Trip spans 7 days
Depart: Tue Feb 7 2017 Return: Tue Feb 21 2017 Trip spans 15 days
Depart: Thu Dec 29 2016 Return: Thu Jan 5 2017 Trip spans 8 days
Depart: Sat Dec 24 2016 Return: Sat Dec 31 2016 Trip spans 8 days
Depart: Fri Dec 30 2016 Return: Sat Jan 7 2017 Trip spans 9 days
Depart: Fri Oct 28 2016 Return: Sun Nov 13 2016 Trip spans 17 days
Depart: Thu Dec 1 2016 Return: Thu Dec 8 2016 Trip spans 8 days
Depart: Fri Oct 21 2016 Return: Sun Oct 30 2016 Trip spans 10 days
Depart: Sat Feb 11 2017 Return: Sat Feb 18 2017 Trip spans 8 days
Depart: Thu Sep 29 2016 Return: Thu Oct 6 2016 Trip spans 8 days
Depart: Fri Nov 18 2016 Return: Sun Dec 11 2016 Trip spans 24 days
Depart: Sat Dec 3 2016 Return: Thu Dec 8 2016 Trip spans 6 days
Depart: Tue Jan 10 2017 Return: Wed Jan 25 2017 Trip spans 16 days
Depart: Tue Feb 14 2017 Return: Wed Feb 22 2017 Trip spans 9 days
Depart: Tue Nov 1 2016 Return: Tue Nov 29 2016 Trip spans 29 days
Depart: Thu Dec 22 2016 Return: Tue Jan 10 2017 Trip spans 20 days
Depart: Thu Nov 17 2016 Return: Tue Nov 29 2016 Trip spans 13 days
Direct flights SFO to LON on Delta
Flight # Depart SFO Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4391 5:40 pm 12:05 pm Sep 4 - Oct 28
4363 9:10 pm 3:50 pm Aug 27 - Oct 27
4363 9:25 pm 4:05 pm Oct 3 - Oct 24
4363 9:45 pm 4:50 pm Aug 29 - Sep 26
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

Here's why:

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

We compile tonnes 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 can'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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

San Francisco
$420
Destination

London
only $720
only $793
only $420