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.

C$ 312 CHEAP FLIGHTS from California to London

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Cheap Flights from California to London

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

Sat, 5 Dec - Wed, 9 Dec

7:20 a.m. - 9:52 p.m.LAX Los Angeles-YXU London

11h 32m2 stops Vancouver Intl Toronto Pearson Intl

9:15 a.m. - 4:39 p.m.YXU London-LAX Los Angeles

10h 24m1 stop Toronto Pearson Intl

C$ 587Air Canada

Tue, 8 Dec - Sat, 12 Dec

7:20 a.m. - 9:52 p.m.LAX Los Angeles-YXU London

11h 32m2 stops Vancouver Intl Toronto Pearson Intl

9:15 a.m. - 2:34 p.m.YXU London-LAX Los Angeles

8h 19m1 stop Toronto Pearson Intl

C$ 587Air Canada

Tue, 8 Dec - Sat, 12 Dec

7:20 a.m. - 9:52 p.m.LAX Los Angeles-YXU London

11h 32m2 stops Vancouver Intl Toronto Pearson Intl

9:15 a.m. - 9:39 p.m.YXU London-LAX Los Angeles

15h 24m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

C$ 600Air Canada

Tue, 8 Dec - Sat, 12 Dec

10:55 p.m. - 2:42 p.m.LAX Los Angeles-YXU London

12h 47m1 stop Toronto Pearson Intl

9:15 a.m. - 2:34 p.m.YXU London-LAX Los Angeles

8h 19m1 stop Toronto Pearson Intl

C$ 614Air Canada

Sat, 5 Dec - Wed, 9 Dec

7:40 a.m. - 9:52 p.m.LAX Los Angeles-YXU London

11h 12m1 stop Toronto Pearson Intl

9:15 a.m. - 2:34 p.m.YXU London-LAX Los Angeles

8h 19m1 stop Toronto Pearson Intl

C$ 614Air Canada

Mon, 21 Dec - Thu, 7 Jan

3:30 p.m. - 8:37 a.m.LAX Los Angeles-YXU London

14h 07m1 stop Toronto Pearson Intl

3:20 p.m. - 9:34 p.m.YXU London-LAX Los Angeles

9h 14m1 stop Toronto Pearson Intl

C$ 642Air Canada

Wed, 11 Nov - Mon, 16 Nov

5:00 p.m. - 5:35 a.m.LAX Los Angeles-YXU London

9h 35m1 stop Calgary

6:40 a.m. - 9:20 p.m.YXU London-LAX Los Angeles

17h 40m1 stop Calgary

C$ 685WestJet

Mon, 21 Dec - Thu, 7 Jan

5:35 p.m. - 8:37 a.m.LAX Los Angeles-YXU London

12h 02m1 stop Toronto Pearson Intl

5:30 a.m. - 10:31 p.m.YXU London-LAX Los Angeles

20h 01m2 stops Toronto Pearson Intl Vancouver Intl

C$ 723Air Canada

Wed, 11 Nov - Wed, 25 Nov

10:55 p.m. - 2:42 p.m.LAX Los Angeles-YXU London

12h 47m1 stop Toronto Pearson Intl

3:25 p.m. - 9:34 p.m.YXU London-LAX Los Angeles

9h 09m1 stop Toronto Pearson Intl

C$ 727Air Canada

Wed, 9 Dec - Thu, 17 Dec

12:12 a.m. - 5:00 p.m.LAX Los Angeles-YXU London

13h 48m2 stops Atlanta Hartsfield-Jackson Orlando

8:20 a.m. - 9:02 p.m.YXU London-LAX Los Angeles

15h 42m1 stop Orlando

C$ 754Multiple Airlines

Useful Info

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.