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$ 323 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$ 640

Air Canada

Sat 11/4Wed 15/4

SFO - YXU • 1 stop

Cheapest one-way flights

C$ 323

Multiple Airlines

Thu 14/5

SAN - 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!

Flight Deals

Cheap Flights from California to London

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from California to London

Sat, 11 Apr - Wed, 15 Apr

8:30 a.m. - 9:18 p.m.

SFO

YXU

9h 48m

1 stop

5:10 a.m. - 10:55 a.m.

YXU

SFO

8h 45m

1 stop

C$ 640Air Canada

Sat, 11 Apr - Wed, 15 Apr

8:30 a.m. - 9:18 p.m.

SFO

YXU

9h 48m

1 stop

5:10 a.m. - 3:32 p.m.

YXU

SFO

13h 22m

2 stops

C$ 647Air Canada

Sat, 11 Apr - Wed, 15 Apr

7:25 a.m. - 9:18 p.m.

SFO

YXU

10h 53m

2 stops

5:10 a.m. - 3:32 p.m.

YXU

SFO

13h 22m

2 stops

C$ 654Air Canada

Sat, 11 Apr - Wed, 15 Apr

7:25 a.m. - 9:18 p.m.

SFO

YXU

10h 53m

2 stops

5:10 a.m. - 3:32 p.m.

YXU

SFO

13h 22m

2 stops

C$ 655Air Canada

Mon, 22 Jun - Mon, 29 Jun

2:05 p.m. - 5:12 a.m.

SAN

YXU

12h 07m

1 stop

8:00 p.m. - 1:20 p.m.

YXU

SAN

20h 20m

1 stop

C$ 739WestJet

Mon, 22 Jun - Mon, 29 Jun

2:05 p.m. - 5:12 a.m.

SAN

YXU

12h 07m

1 stop

8:00 p.m. - 1:20 p.m.

YXU

SAN

20h 20m

1 stop

C$ 740WestJet

Sat, 21 Mar - Sat, 28 Mar

6:40 p.m. - 9:21 p.m.

SFO

YXU

23h 41m

2 stops

5:10 a.m. - 3:23 p.m.

YXU

SFO

13h 13m

2 stops

C$ 961United Airlines

Sat, 21 Mar - Sat, 28 Mar

6:40 p.m. - 9:21 p.m.

SFO

YXU

23h 41m

2 stops

5:40 p.m. - 9:23 a.m.

YXU

SFO

18h 43m

1 stop

C$ 973United Airlines

Fri, 15 May - Sat, 30 May

7:59 p.m. - 5:25 a.m.

SJC

YXU

30h 26m

2 stops

6:15 a.m. - 5:06 p.m.

YXU

SJC

13h 51m

2 stops

C$ 980Multiple Airlines

Fri, 15 May - Sat, 30 May

7:59 p.m. - 5:25 a.m.

SJC

YXU

30h 26m

2 stops

6:15 a.m. - 11:26 p.m.

YXU

SJC

20h 11m

2 stops

C$ 982Multiple Airlines

Useful Info

Cheapest flight	C$ 323

Flight from San Diego 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)

C$ 323 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

Recent one-way flight deals from California to London

Recent last minute 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