How does KAYAK find such low prices on flights from California to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to London. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from California is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from California to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to California with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

C$ 265 CHEAP FLIGHTS from California to London

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Flight Deals

Cheap Flights from California to London

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from California to London 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.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from California to London

Thu, 19 Feb - Fri, 20 Feb

8:30 a.m. - 9:21 p.m.SFO-YXU

9h 51m1 stop

5:15 a.m. - 10:54 a.m.YXU-SFO

8h 39m1 stop

C$ 560Air Canada

Find Deal

Thu, 19 Feb - Fri, 20 Feb

8:30 a.m. - 9:21 p.m.SFO-YXU

9h 51m1 stop

5:15 a.m. - 3:35 p.m.YXU-SFO

13h 20m2 stops

C$ 567Air Canada

Find Deal

Wed, 18 Feb - Fri, 20 Feb

12:43 a.m. - 5:05 p.m.SFO-YXU

13h 22m2 stops

5:15 a.m. - 6:54 p.m.YXU-SFO

16h 39m2 stops

C$ 594United Airlines

Find Deal

Thu, 19 Feb - Fri, 20 Feb

7:30 a.m. - 9:21 p.m.SFO-YXU

10h 51m2 stops

5:15 a.m. - 10:54 a.m.YXU-SFO

8h 39m1 stop

C$ 608Air Canada

Find Deal

Thu, 19 Feb - Fri, 20 Feb

7:30 a.m. - 9:21 p.m.SFO-YXU

10h 51m2 stops

9:25 a.m. - 9:22 p.m.YXU-SFO

14h 57m2 stops

C$ 615Air Canada

Find Deal

Thu, 19 Feb - Fri, 20 Feb

8:30 a.m. - 9:21 p.m.SFO-YXU

9h 51m1 stop

5:15 a.m. - 10:54 a.m.YXU-SFO

8h 39m1 stop

C$ 633Air Canada

Find Deal

Wed, 18 Feb - Fri, 20 Feb

12:43 a.m. - 5:05 p.m.SFO-YXU

13h 22m2 stops

9:25 a.m. - 7:09 p.m.YXU-SFO

12h 44m2 stops

C$ 741United Airlines

Find Deal

Sun, 30 Nov - Sun, 7 Dec

12:35 p.m. - 7:12 p.m.SAN-YXU

27h 37m1 stop

8:10 p.m. - 8:18 p.m.YXU-SAN

27h 08m2 stops

C$ 861Multiple Airlines

Find Deal

Wed, 4 Mar - Wed, 18 Mar

5:00 p.m. - 6:35 a.m.SJC-YXU

34h 35m2 stops

8:10 p.m. - 10:04 p.m.YXU-SJC

28h 54m2 stops

C$ 946Multiple Airlines

Find Deal

Fri, 31 Oct - Sun, 2 Nov

5:30 a.m. - 7:12 p.m.SFO-YXU

10h 42m2 stops

8:10 p.m. - 10:10 p.m.YXU-SFO

29h 00m2 stops

C$ 1,487WestJet

Find Deal

Cheapest round-trip

C$ 560

Air Canada

Thu 19/2Fri 20/2

SFO - YXU • 1 stop

Cheapest one-way flights

C$ 265

United Airlines

Wed 29/10

SFO - YXU • 2 stops

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you love your trip to London!

Useful Info

Cheapest flight	C$ 265

Flight from San Francisco to London

How does KAYAK find such low prices on flights from California to London?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to London.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from California is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from California to London?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to London?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Grand Bend

Port Stanley

Everything you need to know for your flight to London

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in London

London (YXU)

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C$ 265 Find Cheap Flights from California to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

Cheap Flights from California to London

Recent round-trip flight deals from California to London

Recent one-way flight deals from California to London

Everything you should know

Good to know

FAQs for booking flights from California to London

How does KAYAK find such low prices on flights from California to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to London.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from California is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from California to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to California with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Travelling to a place near London?

Everything you need to know for your flight to London

Information on the airport you'll fly into in London

Cabin class types available on flights to California

Complete your trip to London with a hotel stay or car rental

Flights to other popular destinations

Flights from domestic origins to London

Choose which airport to fly into in London

Find deals for your return flight