$149 Find Cheap Flights from London to California

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to California departing on 6/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to California

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to California, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to California, as well as popular online travel agencies
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Best California Flight Deals from London

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Los Angeles
Los Angeles2 stops$288
San Francisco
San Francisco2 stops$306

Cheap Flights from London to California

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to California that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from London to California

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from London to California.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
United Airlines Logo
9:55 am - 3:57 pmYXU-LAS
9h 02m2 stops
United Airlines Logo
12:59 am - 3:04 pmLAS-YXU
11h 05m2 stops
$240United Airlines
Find Deal
Tue, May 6 - Mon, May 12
Air Canada Logo
9:55 am - 3:57 pmYXU-LAS
9h 02m2 stops
Air Canada Logo
11:30 pm - 9:19 amLAS-YXU
6h 49m1 stop
$266Air Canada
Find Deal
Tue, May 6 - Tue, May 13
United Airlines Logo
9:55 am - 3:57 pmYXU-LAS
9h 02m2 stops
United Airlines Logo
9:00 am - 9:27 pmLAS-YXU
9h 27m2 stops
$267United Airlines
Find Deal
Tue, May 6 - Sat, Aug 9
Air Canada Logo
3:45 pm - 10:30 pmYXU-LAS
9h 45m1 stop
Air Canada Logo
11:30 pm - 9:19 amLAS-YXU
6h 49m1 stop
$276Air Canada
Find Deal
Tue, May 6 - Tue, May 13
Air Canada Logo
9:55 am - 3:57 pmYXU-LAS
9h 02m2 stops
Air Canada Logo
3:50 pm - 9:19 amLAS-YXU
14h 29m2 stops
$286Air Canada
Find Deal
Tue, May 6 - Tue, May 13
WestJet Logo
8:00 pm - 6:10 pmYXU-LAX
25h 10m2 stops
WestJet Logo
9:10 pm - 5:14 amLAX-YXU
29h 04m2 stops
$288WestJet
Find Deal
Fri, Jun 6 - Fri, Jun 13
Air Canada Logo
6:15 am - 3:57 pmYXU-LAS
12h 42m2 stops
Air Canada Logo
11:43 pm - 2:57 pmLAS-YXU
12h 14m2 stops
$289Air Canada
Find Deal
Tue, May 6 - Thu, Aug 7
WestJet Logo
6:00 am - 8:21 pmYXU-LAS
17h 21m2 stops
WestJet Logo
9:10 pm - 5:14 amLAS-YXU
29h 04m2 stops
$290WestJet
Find Deal
Sun, Jun 8 - Thu, Jun 12
 Logo
6:00 am - 5:35 pmYXU-LAS
14h 35m1 stop
 Logo
12:59 am - 5:14 amLAS-YXU
25h 15m2 stops
Sun, Jun 8 - Wed, Jun 11
WestJet Logo
8:00 pm - 9:30 pmYXU-LAS
28h 30m1 stop
WestJet Logo
9:10 pm - 5:14 amLAS-YXU
29h 04m2 stops
$293WestJet
Find Deal
Sun, Jun 8 - Thu, Jun 12

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.

What is the cheapest time of day to fly to California?

The average price for all round-trip flights from London to California depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to California is generally in the morning, when round-trip flights cost $446 on average. The most expensive time of day to fly to California is generally in the morning, which is peak travel time and where the average cost of a ticket is $446.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London to California, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from London to California is November, when tickets cost $293 (return) on average. On the other hand, the most expensive months are April and June, when the average cost of round-trip tickets is $469 and $463 respectively.

How far in advance should I book a flight from London to California?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London to California, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from London to California, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know

Low season

February

High season

January

Cheapest flight

$149
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly with an average 7% increase in price.
Flight from London to Los Angeles

FAQs - booking California flights

  • 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.

See more FAQs

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

Information on your arrival and departure airports

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