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$ 455 CHEAP FLIGHTS from California to London

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

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Cheapest round-trip

C$ 455

Air Canada

Tue 21/4Sat 25/4

SFO - YXU • 1 stop

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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

Recent round-trip flight deals from California to London

Tue, 21 Apr - Sat, 25 Apr

8:45 a.m. - 9:18 p.m.

SFO

YXU

9h 33m1 stop

5:10 a.m. - 10:45 a.m.

YXU

SFO

8h 35m1 stop

C$ 455Air Canada

Tue, 21 Apr - Sat, 25 Apr

8:45 a.m. - 9:18 p.m.

SFO

YXU

9h 33m1 stop

5:10 a.m. - 12:32 p.m.

YXU

SFO

10h 22m2 stops

C$ 462Air Canada

Thu, 29 Jan - Thu, 5 Feb

8:34 a.m. - 6:34 a.m.

SAN

YXU

19h 00m2 stops

8:10 p.m. - 11:47 a.m.

YXU

SAN

18h 37m1 stop

C$ 579Multiple Airlines

Tue, 21 Apr - Sat, 25 Apr

6:35 a.m. - 9:18 p.m.

SFO

YXU

11h 43m2 stops

5:10 a.m. - 12:32 p.m.

YXU

SFO

10h 22m2 stops

C$ 579Air Canada

Thu, 15 Jan - Mon, 19 Jan

1:00 p.m. - 6:34 a.m.

SFO

YXU

14h 34m1 stop

8:10 p.m. - 12:12 p.m.

YXU

SFO

19h 02m1 stop

C$ 605WestJet

Thu, 15 Jan - Mon, 19 Jan

1:00 p.m. - 6:34 a.m.

SFO

YXU

14h 34m1 stop

8:10 p.m. - 12:12 p.m.

YXU

SFO

19h 02m1 stop

C$ 719WestJet

Wed, 4 Mar - Wed, 18 Mar

2:36 p.m. - 6:35 a.m.

SJC

YXU

36h 59m2 stops

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

YXU

SJC

28h 54m2 stops

C$ 898Multiple Airlines

Fri, 15 May - Sat, 30 May

9:05 a.m. - 5:12 a.m.

SJC

YXU

17h 07m2 stops

6:00 a.m. - 5:04 p.m.

YXU

SJC

14h 04m2 stops

C$ 931Delta

Fri, 15 May - Sat, 30 May

9:05 a.m. - 5:12 a.m.

SJC

YXU

17h 07m2 stops

6:00 a.m. - 5:04 p.m.

YXU

SJC

14h 04m2 stops

C$ 966Delta

Thu, 29 Jan - Thu, 5 Feb

8:37 p.m. - 8:46 a.m.

SAN

YXU

9h 09m2 stops

5:40 p.m. - 11:48 a.m.

YXU

SAN

21h 08m3 stops

C$ 1,568United Airlines

Useful Info

Cheapest flight	C$ 455

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

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London (YXU)

C$ 455 Find Cheap Flights from California to London

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

Everything you should know

Cheap Flights from California to London

Recent round-trip flight deals from California to London

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