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.

$178 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

Mon, Dec 21 - Thu, Jan 7

5:35 pm - 8:37 amLAX Los Angeles-YXU London

12h 02m1 stop Toronto Pearson Intl

9:15 am - 4:39 pmYXU London-LAX Los Angeles

10h 24m1 stop Toronto Pearson Intl

$418Air Canada

Mon, Dec 21 - Thu, Jan 7

5:35 pm - 8:37 amLAX Los Angeles-YXU London

12h 02m1 stop Toronto Pearson Intl

9:15 am - 9:39 pmYXU London-LAX Los Angeles

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

$428Air Canada

Thu, Jan 14 - Sat, Jan 16

11:30 am - 9:52 pmLAX Los Angeles-YXU London

7h 22m1 stop Toronto Pearson Intl

3:20 pm - 9:34 pmYXU London-LAX Los Angeles

9h 14m1 stop Toronto Pearson Intl

$478Air Canada

Thu, Jan 14 - Sat, Jan 16

11:30 am - 9:52 pmLAX Los Angeles-YXU London

7h 22m1 stop Toronto Pearson Intl

9:15 am - 9:39 pmYXU London-LAX Los Angeles

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

$486Air Canada

Mon, Dec 21 - Thu, Jan 7

9:59 pm - 2:05 pmLAX Los Angeles-YXU London

13h 06m1 stop Orlando

6:40 am - 9:20 pmYXU London-LAX Los Angeles

17h 40m1 stop Calgary

$519Multiple Airlines

Mon, Dec 14 - Fri, Jan 1

5:00 pm - 5:35 amLAX Los Angeles-YXU London

9h 35m1 stop Calgary

6:40 am - 5:45 pmYXU London-LAX Los Angeles

14h 05m2 stops Calgary Edmonton

$656WestJet

Mon, Dec 14 - Fri, Jan 1

5:00 pm - 5:35 amLAX Los Angeles-YXU London

9h 35m1 stop Calgary

6:40 am - 9:20 pmYXU London-LAX Los Angeles

17h 40m1 stop Calgary

$661WestJet

Tue, Dec 1 - Tue, Dec 29

6:30 pm - 5:35 amSFO San Francisco-YXU London

32h 05m3 stops Las Vegas Harry Reid Intl Los Angeles Calgary

8:20 am - 6:57 amYXU London-SFO San Francisco

25h 37m3 stops Orlando Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

$724Multiple Airlines

Tue, Dec 1 - Tue, Dec 29

6:30 pm - 5:35 amSFO San Francisco-YXU London

32h 05m3 stops Las Vegas Harry Reid Intl Los Angeles Calgary

8:20 am - 12:35 amYXU London-SFO San Francisco

19h 15m2 stops Orlando Denver Intl

$730Multiple Airlines

Tue, Dec 1 - Tue, Dec 29

11:50 am - 5:35 amSFO San Francisco-YXU London

14h 45m2 stops Los Angeles Calgary

6:40 am - 4:23 pmYXU London-SFO San Francisco

36h 43m2 stops Calgary Los Angeles

$877WestJet

Useful Info

Cheapest flight	$178

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.