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$ 772 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

Last minute

Recent round-trip flight deals from California to London

Thu, 29 Oct - Wed, 4 Nov

8:44 a.m. - 6:35 a.m.LAX Los Angeles-YXU London

18h 51m2 stops San Francisco Calgary

6:40 a.m. - 7:48 a.m.YXU London-LAX Los Angeles

28h 08m2 stops Calgary Las Vegas Harry Reid Intl

C$ 772Multiple Airlines

Mon, 26 Oct - Sat, 31 Oct

7:00 a.m. - 6:35 a.m.LAX Los Angeles-YXU London

20h 35m1 stop Calgary

7:40 a.m. - 5:10 p.m.YXU London-LAX Los Angeles

12h 30m1 stop Calgary

C$ 775WestJet

Thu, 29 Oct - Wed, 4 Nov

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

9h 12m1 stop Toronto Pearson Intl

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

10h 24m1 stop Toronto Pearson Intl

C$ 810Air Canada

Mon, 26 Oct - Sat, 31 Oct

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

9h 12m1 stop 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$ 823Air Canada

Thu, 29 Oct - Wed, 4 Nov

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

9h 12m1 stop 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$ 823Air Canada

Tue, 20 Oct - Sat, 24 Oct

6:05 p.m. - 5:20 a.m.LAX Los Angeles-YXU London

8h 15m1 stop Calgary

6:10 a.m. - 12:25 p.m.YXU London-LAX Los Angeles

9h 15m1 stop Calgary

C$ 834WestJet

Thu, 29 Oct - Wed, 4 Nov

9:57 p.m. - 6:35 a.m.LAX Los Angeles-YXU London

29h 38m3 stops Las Vegas Harry Reid Intl San Francisco Calgary

6:40 a.m. - 3:07 p.m.YXU London-LAX Los Angeles

35h 27m3 stops Calgary Edmonton Las Vegas Harry Reid Intl

C$ 839Multiple Airlines

Mon, 26 Oct - Sun, 1 Nov

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

9h 12m1 stop Toronto Pearson Intl

8:30 p.m. - 10:34 a.m.YXU London-LAX Los Angeles

17h 04m1 stop Toronto Pearson Intl

C$ 844Air Canada

Tue, 20 Oct - Sat, 24 Oct

10:35 p.m. - 8:25 a.m.LAX Los Angeles-YXU London

6h 50m1 stop Toronto Pearson Intl

3:30 p.m. - 8:55 p.m.YXU London-LAX Los Angeles

8h 25m1 stop Toronto Pearson Intl

C$ 857Air Canada

Tue, 20 Oct - Sat, 24 Oct

6:05 p.m. - 5:20 a.m.LAX Los Angeles-YXU London

8h 15m1 stop Calgary

6:10 a.m. - 6:20 p.m.YXU London-LAX Los Angeles

15h 10m2 stops Calgary Edmonton

C$ 858WestJet

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.