How does KAYAK find such low prices on flights from London to California?

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 London to California.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to California?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to 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 London to California?

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 from London to California with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to California?

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 from London to California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Which airlines provide the cheapest flights from London to California?

In the past 5 days, the cheapest round-trip tickets from London to California were found on Air Canada ($307) and WestJet ($365).

How long does a flight from London to California take?

The duration of a flight to California depends on your arrival airport. The shortest routes to California from London are to San Francisco , which takes 7h 44m , Los Angeles , which takes 9h 15m, and Los Angeles , which takes 10h 10m.

$189 CHEAP FLIGHTS from London to California

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Flight Deals

One-wayRound-trip

Los Angeles1 stop$378

San Francisco1 stop$320

San Diego2 stops$378

San Jose2 stops$744

Los Angeles1 stop$378

San Francisco1 stop$320

San Diego2 stops$378

San Jose2 stops$744

Book Cheap London to California Plane Tickets

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 London to California

Thu, Sep 24 - Sun, Sep 27

5:40 am - 10:44 amYXU London-SFO San Francisco

8h 04m1 stop Toronto Pearson Intl

12:05 am - 2:50 pmSFO San Francisco-YXU London

11h 45m1 stop Toronto Pearson Intl

$320Air Canada

Wed, Feb 10 - Sun, Feb 14

6:40 am - 11:10 amYXU London-LAS Las Vegas Harry Reid Intl

31h 30m2 stops Calgary Vancouver Intl

12:00 pm - 5:35 amLAS Las Vegas Harry Reid Intl-YXU London

14h 35m2 stops Vancouver Intl Calgary

$358WestJet

Wed, Feb 10 - Sun, Feb 14

6:40 am - 9:00 amYXU London-LAS Las Vegas Harry Reid Intl

29h 20m1 stop Calgary

12:00 pm - 5:35 amLAS Las Vegas Harry Reid Intl-YXU London

14h 35m2 stops Vancouver Intl Calgary

$363WestJet

Thu, Oct 8 - Tue, Oct 13

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

8h 50m1 stop Calgary

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

20h 20m1 stop Calgary

$365WestJet

Fri, Oct 2 - Tue, Oct 6

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

8h 50m1 stop Calgary

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

20h 20m1 stop Calgary

$365WestJet

Thu, Oct 8 - Tue, Oct 13

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

8h 50m1 stop Calgary

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

20h 20m1 stop Calgary

$366WestJet

Fri, Sep 25 - Sat, Sep 26

6:20 pm - 11:04 pmYXU London-SFO San Francisco

7h 44m1 stop Toronto Pearson Intl

12:05 am - 2:50 pmSFO San Francisco-YXU London

11h 45m1 stop Toronto Pearson Intl

$367Air Canada

Sat, Sep 12 - Sun, Sep 13

6:10 am - 8:45 amYXU London-SNA Santa Ana J. Wayne/Orange Cnty

29h 35m2 stops Calgary Phoenix Sky Harbor Intl

5:50 pm - 5:20 amSNA Santa Ana J. Wayne/Orange Cnty-YXU London

8h 30m1 stop Calgary

$374Multiple Airlines

Fri, Oct 2 - Tue, Oct 6

5:40 am - 3:21 pmYXU London-SFO San Francisco

12h 41m2 stops Toronto Pearson Intl Vancouver Intl

11:35 am - 9:40 pmSFO San Francisco-YXU London

7h 05m1 stop Toronto Pearson Intl

$374Air Canada

Fri, Oct 2 - Tue, Oct 6

5:40 am - 10:39 amYXU London-SFO San Francisco

7h 59m1 stop Toronto Pearson Intl

11:35 am - 9:40 pmSFO San Francisco-YXU London

7h 05m1 stop Toronto Pearson Intl

$374Air Canada

Recent last minute flight deals from London to California

Sat, Sep 5 - Sat, Sep 12

6:20 pm - 10:24 pmYXU London-LAS Las Vegas Harry Reid Intl

7h 04m1 stop Toronto Pearson Intl

12:10 pm - 9:40 pmLAS Las Vegas Harry Reid Intl-YXU London

6h 30m1 stop Toronto Pearson Intl

$597Air Canada

Sat, Sep 5 - Sat, Sep 12

3:30 pm - 10:24 pmYXU London-LAS Las Vegas Harry Reid Intl

9h 54m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

12:10 pm - 9:40 pmLAS Las Vegas Harry Reid Intl-YXU London

6h 30m1 stop Toronto Pearson Intl

$600Air Canada

Sat, Sep 5 - Sat, Sep 12

3:30 pm - 10:24 pmYXU London-LAS Las Vegas Harry Reid Intl

9h 54m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

11:25 pm - 2:50 pmLAS Las Vegas Harry Reid Intl-YXU London

12h 25m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$601Air Canada

Sun, Sep 6 - Sun, Sep 20

6:10 am - 12:25 pmYXU London-LAX Los Angeles

9h 15m1 stop Calgary

6:05 pm - 5:20 amLAX Los Angeles-YXU London

8h 15m1 stop Calgary

$903WestJet

Sun, Sep 6 - Sun, Sep 20

6:10 am - 4:00 pmYXU London-LAX Los Angeles

12h 50m2 stops Calgary Edmonton

6:05 pm - 5:20 amLAX Los Angeles-YXU London

8h 15m1 stop Calgary

$940WestJet

Sun, Sep 6 - Sun, Sep 20

6:10 am - 4:00 pmYXU London-LAX Los Angeles

12h 50m2 stops Calgary Edmonton

4:55 pm - 5:20 amLAX Los Angeles-YXU London

33h 25m2 stops Edmonton Calgary

$972WestJet

Sat, Sep 5 - Sat, Sep 12

5:40 am - 9:40 pmYXU London-LAS Las Vegas Harry Reid Intl

19h 00m2 stops Toronto Pearson Intl Calgary

11:30 am - 2:50 pmLAS Las Vegas Harry Reid Intl-YXU London

24h 20m3 stops Calgary Edmonton Toronto Pearson Intl

$1,195Multiple Airlines

Sun, Sep 6 - Sat, Sep 19

5:55 pm - 11:20 amYXU London-LAX Los Angeles

20h 25m2 stops Calgary Vancouver Intl

12:37 am - 5:20 amLAX Los Angeles-YXU London

25h 43m3 stops Mexico City Benito Juarez San José del Cabo Los Cabos Calgary

$1,208Multiple Airlines

Thu, Sep 3 - Sun, Sep 6

6:10 am - 12:55 pmYXU London-LAS Las Vegas Harry Reid Intl

9h 45m1 stop Calgary

6:10 pm - 5:20 amLAS Las Vegas Harry Reid Intl-YXU London

8h 10m1 stop Calgary

$1,255Delta

Sat, Sep 5 - Sat, Sep 12

3:30 pm - 12:55 pmYXU London-LAS Las Vegas Harry Reid Intl

24h 25m3 stops Toronto Pearson Intl Vancouver Intl Calgary

11:30 am - 2:50 pmLAS Las Vegas Harry Reid Intl-YXU London

24h 20m3 stops Calgary Edmonton Toronto Pearson Intl

$1,315Multiple Airlines

Booking Insights

KAYAK's insights & trends for London to California flights

Get data-powered insights and trends into flights from London to California to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

What is the cheapest month to fly from London to California?

The cheapest month for flights from London to California is July, when tickets cost $388 (return) on average. On the other hand, the most expensive months are September and February, when the average cost of round-trip tickets is $1,184 and $1,114 respectively.

Find deals

Low season	August
High season	April
Cheapest flight	$189

Best time to beat the crowds but there is an average 49% increase in price.

Most popular time to fly and prices are also 35% lower on average.

Flight from London to Las Vegas

How does KAYAK find such low prices on flights from London to California?
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 London to California.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to California?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to 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 London to California?
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 from London to California with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to California?
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 from London to California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from London to California

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Popular routes

Return flight deals

Information on your arrival and departure airports

London (YXU)

$189 Find Cheap Flights from London to California - Compare and Save

Cheap Flights from London to California

Book Cheap London to California Plane Tickets

Recent round-trip flight deals from London to California

Recent one-way flight deals from London to California

Recent last minute flight deals from London to California

KAYAK's insights & trends for London to California flights

What is the cheapest month to fly from London to California?

Which airlines provide the cheapest flights from London to California?

How long does a flight from London to California take?

Good to know

Low season

High season

Cheapest flight

FAQs - booking California flights

Everything you need to know for your flight from London to California

Information on your arrival and departure airports

Cabin class types available on flights to California

Complete your trip to California with a hotel stay or car rental

Flights to other popular destinations

Flights from other airports in London to California

Flights from London to popular cities in California

Find deals for your return flight