YXU - SFO
$199 Find Cheap Flights from London to San Francisco - Compare and Save
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to San Francisco departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Everything you should know
Cheapest round-trip
$369
Typical prices: $344-$607
Air Canada
Tue 12/4Mon 12/10
YXU - SFO • 1 stop
Cheapest one-way
$199
Typical prices: $192-$601
Air Canada
Mon 11/19
YXU - SFO • 1 stop
Cheap Flights from London to San Francisco (YXU-SFO)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Cheap flights from London to San Francisco with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.
Fri, Dec 4 - Thu, Dec 10
5:30 am - 1:10 pmYXU London-SFO San Francisco
10h 40m1 stop Toronto Pearson Intl
4:40 pm - 8:37 amSFO San Francisco-YXU London
12h 57m1 stop Toronto Pearson Intl
$369Air Canada
Tue, Dec 8 - Tue, Jan 26
3:20 pm - 9:30 pmYXU London-SFO San Francisco
9h 10m1 stop Toronto Pearson Intl
8:40 am - 9:52 pmSFO San Francisco-YXU London
10h 12m1 stop Toronto Pearson Intl
$427Air Canada
Fri, Dec 4 - Thu, Dec 10
9:30 am - 11:11 amYXU London-SFO San Francisco
28h 41m3 stops Fort Lauderdale Dallas/Fort Worth Las Vegas Harry Reid Intl
4:40 pm - 5:35 amSFO San Francisco-YXU London
9h 55m1 stop Calgary
$434Multiple Airlines
Fri, Jan 15 - Tue, Jan 19
9:15 am - 3:40 pmYXU London-SFO San Francisco
9h 25m1 stop Toronto Pearson Intl
8:40 am - 9:52 pmSFO San Francisco-YXU London
10h 12m1 stop Toronto Pearson Intl
$439Air Canada
Fri, Dec 4 - Thu, Dec 10
5:30 am - 1:51 pmYXU London-SFO San Francisco
11h 21m2 stops Toronto Pearson Intl Vancouver Intl
4:40 pm - 8:37 amSFO San Francisco-YXU London
12h 57m1 stop Toronto Pearson Intl
$445Air Canada
Wed, Jan 6 - Wed, Feb 3
9:15 am - 3:40 pmYXU London-SFO San Francisco
9h 25m1 stop Toronto Pearson Intl
12:00 pm - 8:37 amSFO San Francisco-YXU London
17h 37m1 stop Toronto Pearson Intl
$464Air Canada
Tue, Dec 8 - Tue, Jan 26
5:30 am - 1:51 pmYXU London-SFO San Francisco
11h 21m2 stops Toronto Pearson Intl Vancouver Intl
8:40 am - 9:52 pmSFO San Francisco-YXU London
10h 12m1 stop Toronto Pearson Intl
$468Air Canada
Fri, Jan 15 - Tue, Jan 19
5:30 am - 1:51 pmYXU London-SFO San Francisco
11h 21m2 stops Toronto Pearson Intl Vancouver Intl
8:40 am - 9:52 pmSFO San Francisco-YXU London
10h 12m1 stop Toronto Pearson Intl
$479Air Canada
Mon, Jan 11 - Wed, Jan 13
9:15 am - 9:33 pmYXU London-SFO San Francisco
15h 18m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
6:30 am - 9:52 pmSFO San Francisco-YXU London
12h 22m2 stops Vancouver Intl Toronto Pearson Intl
$487Air Canada
Thu, Nov 19 - Thu, Nov 26
6:40 am - 3:50 pmYXU London-SFO San Francisco
12h 10m1 stop Calgary
4:40 pm - 5:35 amSFO San Francisco-YXU London
9h 55m1 stop Calgary
$496WestJet
Thu, Nov 19
3:25 pm - 9:30 pmYXU London-SFO San Francisco
9h 05m1 stop Toronto Pearson Intl
$199Air Canada
Thu, Nov 19
5:30 am - 11:10 amYXU London-SFO San Francisco
8h 40m1 stop Toronto Pearson Intl
$206Air Canada
Fri, Oct 23
6:10 am - 12:00 pmYXU London-SFO San Francisco
8h 50m1 stop Calgary
$212WestJet
Thu, Nov 19
3:25 pm - 12:53 amYXU London-SFO San Francisco
12h 28m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$246Air Canada
Thu, Nov 19
5:30 am - 2:42 pmYXU London-SFO San Francisco
12h 12m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$253Air Canada
Fri, Oct 23
8:20 pm - 10:20 amYXU London-SFO San Francisco
17h 00m2 stops Toronto Pearson Intl Vancouver Intl
$281Air Canada
Wed, Nov 18
5:30 am - 1:10 pmYXU London-SFO San Francisco
10h 40m1 stop Toronto Pearson Intl
$288United Airlines
Wed, Nov 18
5:30 am - 11:28 pmYXU London-SFO San Francisco
20h 58m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$293United Airlines
Thu, Nov 19
6:40 am - 11:01 amYXU London-SFO San Francisco
31h 21m3 stops Calgary Seattle/Tacoma Intl Las Vegas Harry Reid Intl
$303Multiple Airlines
Fri, Oct 23
3:30 pm - 6:41 amYXU London-SFO San Francisco
18h 11m2 stops Toronto Pearson Intl Denver Intl
$315United Airlines
Price, demand and travel trends for London to San Francisco flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Prices
Airlines
Layovers
How much is a round-trip flight from London to San Francisco?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London to San Francisco departing in december.
Round-trip flights from London to San Francisco typically range from $344 to $607. The lowest price found in the past 5 days was $369, on Air Canada.
What’s the most popular layover airport when flying from London to San Francisco?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.Toronto Pearson Intl (YYZ) is the most popular layover for the London to San Francisco route. 65% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via YYZ.
What is the cheapest layover airport when flying from London to San Francisco?
Flights via Calgary (YYC) offer the most affordable fares, with an average round-trip price of $455. Based on KAYAK data over the past 3 months.
Key details for London to San Francisco flights
Low season | January |
|---|---|
High season | April |
Cheapest flight | $199 |
When to book flights from London to San Francisco
Are your dates flexible? Find out the best times to travel from London to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Your London to San Francisco flight questions, answered
Find helpful answers about this route, including flight times, airports, airlines and booking tips.
Your guide to booking London to San Francisco flights
Get tips on when to book, when to fly and what to know before your trip.More options for your flight from London to San Francisco
Complete your trip to San Francisco with a hotel stay or car rental
Information on your arrival and departure airports
Cabin class types available on flights from London to San Francisco
Cabin classes available on flights from London to San Francisco. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights to and from London and San Francisco
Flights from domestic origins to San Francisco
More flights to San Francisco. Prices are the lowest found on KAYAK in the last 7 days. Price and availability is not guaranteed.
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.