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.

$203 CHEAP FLIGHTS from California to London

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Cheap Flights from California to London

Cheap flights from California to London with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Thu, Dec 3 - Thu, Dec 10

12:25 pm - 5:35 amPSP Palm Springs-YXU London

14h 10m2 stops Vancouver Intl Calgary

6:40 am - 12:55 pmYXU London-PSP Palm Springs

9h 15m1 stop Calgary

$519WestJet

Tue, Dec 1 - Tue, Dec 8

8:25 am - 8:27 pmSFO San Francisco-YXU London

9h 02m1 stop Toronto Pearson Intl

5:30 am - 11:10 amYXU London-SFO San Francisco

8h 40m1 stop Toronto Pearson Intl

$541Air Canada

Thu, Dec 3 - Thu, Dec 10

1:45 pm - 5:35 amPSP Palm Springs-YXU London

12h 50m1 stop Calgary

6:40 am - 12:55 pmYXU London-PSP Palm Springs

9h 15m1 stop Calgary

$544WestJet

Tue, Dec 1 - Tue, Dec 8

6:25 am - 8:27 pmSFO San Francisco-YXU London

11h 02m2 stops Vancouver Intl Toronto Pearson Intl

3:20 pm - 9:30 pmYXU London-SFO San Francisco

9h 10m1 stop Toronto Pearson Intl

$547Air Canada

Tue, Dec 1 - Tue, Dec 8

6:25 am - 8:27 pmSFO San Francisco-YXU London

11h 02m2 stops Vancouver Intl Toronto Pearson Intl

5:30 am - 1:51 pmYXU London-SFO San Francisco

11h 21m2 stops Toronto Pearson Intl Vancouver Intl

$552Air Canada

Thu, Dec 3 - Thu, Dec 10

12:25 pm - 5:35 amPSP Palm Springs-YXU London

14h 10m2 stops Vancouver Intl Calgary

6:40 am - 8:35 amYXU London-PSP Palm Springs

28h 55m2 stops Calgary Edmonton

$569WestJet

Tue, Dec 1 - Tue, Dec 8

8:25 am - 8:27 pmSFO San Francisco-YXU London

9h 02m1 stop Toronto Pearson Intl

3:20 pm - 9:30 pmYXU London-SFO San Francisco

9h 10m1 stop Toronto Pearson Intl

$681United Airlines

Mon, Nov 30 - Tue, Dec 8

12:10 am - 2:42 pmSFO San Francisco-YXU London

11h 32m2 stops Chicago O'Hare Intl Toronto Pearson Intl

5:30 am - 1:10 pmYXU London-SFO San Francisco

10h 40m1 stop Toronto Pearson Intl

$691United Airlines

Sat, Nov 14 - Sat, Nov 21

8:25 am - 8:27 pmSFO San Francisco-YXU London

9h 02m1 stop Toronto Pearson Intl

9:05 pm - 9:29 amYXU London-SFO San Francisco

15h 24m1 stop Toronto Pearson Intl

$705United Airlines

Thu, Dec 3 - Thu, Dec 10

12:25 pm - 5:35 amPSP Palm Springs-YXU London

14h 10m2 stops Vancouver Intl Calgary

6:40 am - 11:35 amYXU London-PSP Palm Springs

31h 55m3 stops Calgary Edmonton Vancouver Intl

$764WestJet

Tue, Oct 20 - Thu, Oct 22

6:00 am - 5:20 amSFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 am - 12:00 pmYXU London-SFO San Francisco

8h 50m1 stop Calgary

$1,447WestJet

Tue, Oct 20 - Thu, Oct 22

6:00 am - 5:20 amSFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 am - 12:00 pmYXU London-SFO San Francisco

8h 50m1 stop Calgary

$1,463WestJet

Tue, Oct 20 - Thu, Oct 22

6:00 am - 5:20 amSFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 am - 12:00 pmYXU London-SFO San Francisco

8h 50m1 stop Calgary

$1,524WestJet

Tue, Oct 20 - Thu, Oct 22

6:00 am - 5:20 amSFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 am - 12:00 pmYXU London-SFO San Francisco

8h 50m1 stop Calgary

$1,525WestJet

Tue, Oct 20 - Sat, Oct 24

5:05 pm - 8:25 amLAX Los Angeles-YXU London

12h 20m2 stops Vancouver Intl Toronto Pearson Intl

3:30 pm - 8:55 pmYXU London-LAX Los Angeles

8h 25m1 stop Toronto Pearson Intl

$1,533Air Canada

Tue, Oct 20 - Sat, Oct 24

5:05 pm - 8:25 amLAX Los Angeles-YXU London

12h 20m2 stops Vancouver Intl Toronto Pearson Intl

9:05 am - 4:32 pmYXU London-LAX Los Angeles

10h 27m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$1,549Air Canada

Tue, Oct 20 - Thu, Oct 22

6:40 am - 7:40 pmSFO San Francisco-YXU London

10h 00m2 stops Vancouver Intl Toronto Pearson Intl

3:30 pm - 8:59 pmYXU London-SFO San Francisco

8h 29m1 stop Toronto Pearson Intl

$1,621Air Canada

Tue, Oct 20 - Thu, Oct 22

4:30 pm - 8:25 amSFO San Francisco-YXU London

12h 55m2 stops Vancouver Intl Toronto Pearson Intl

3:30 pm - 11:20 pmYXU London-SFO San Francisco

10h 50m2 stops Toronto Pearson Intl Vancouver Intl

$1,627Air Canada

Tue, Oct 20 - Sat, Oct 24

5:05 pm - 8:25 amLAX Los Angeles-YXU London

12h 20m2 stops Vancouver Intl Toronto Pearson Intl

3:30 pm - 8:55 pmYXU London-LAX Los Angeles

8h 25m1 stop Toronto Pearson Intl

$1,630Air Canada

Tue, Oct 20 - Sat, Oct 24

10:35 pm - 8:25 amLAX Los Angeles-YXU London

6h 50m1 stop Toronto Pearson Intl

3:30 pm - 8:55 pmYXU London-LAX Los Angeles

8h 25m1 stop Toronto Pearson Intl

$1,632Air Canada

Cheapest flight	$203

Flight from Los Angeles 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.