$153 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 5/16. 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
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Best California Flight Deals from London

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

Los Angeles
Los Angeles1 stop$232
San Francisco
San Francisco2 stops$240
San Diego
San Diego1 stop$302
Reno
Reno2 stops$575

Cheap Flight Deals from London to California (YXU-USCA)

 
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
WestJet Logo
6:00 am - 2:12 pmYXU-LAX
11h 12m1 stop
WestJet Logo
6:05 pm - 5:14 amLAX-YXU
8h 09m1 stop
$232WestJet
Find Deal
Thu, Jun 19 - Sun, Jul 6
WestJet Logo
6:00 am - 1:59 pmYXU-SFO
10h 59m2 stops
WestJet Logo
2:45 pm - 5:14 amSFO-YXU
11h 29m2 stops
$240WestJet
Find Deal
Tue, Jul 1 - Wed, Jul 30
WestJet Logo
6:00 am - 12:05 pmYXU-SFO
9h 05m1 stop
WestJet Logo
2:45 pm - 5:14 amSFO-YXU
11h 29m2 stops
$241WestJet
Find Deal
Tue, Jul 1 - Wed, Jul 30
WestJet Logo
6:00 am - 12:05 pmYXU-SFO
9h 05m1 stop
WestJet Logo
7:30 am - 7:09 pmSFO-YXU
8h 39m1 stop
$242WestJet
Find Deal
Tue, Jul 1 - Tue, Jul 15
Air Canada Logo
6:15 am - 10:33 pmYXU-LAX
19h 18m2 stops
Air Canada Logo
12:08 am - 2:57 pmLAX-YXU
11h 49m2 stops
$250Air Canada
Find Deal
Thu, Jun 19 - Sat, Jul 5
Air Canada Logo
9:55 am - 2:33 pmYXU-LAX
7h 38m1 stop
Air Canada Logo
12:08 am - 2:57 pmLAX-YXU
11h 49m2 stops
$263Air Canada
Find Deal
Thu, Jun 19 - Sat, Jul 5
United Airlines Logo
3:45 pm - 10:55 pmYXU-LAX
10h 10m2 stops
United Airlines Logo
11:59 pm - 3:04 pmLAX-YXU
12h 05m2 stops
$284United Airlines
Find Deal
Mon, May 5 - Mon, May 12
United Airlines Logo
6:15 am - 11:05 amYXU-SFO
7h 50m1 stop
United Airlines Logo
11:15 pm - 2:58 pmSFO-YXU
12h 43m2 stops
$284United Airlines
Find Deal
Tue, May 13 - Mon, Jun 9
 Logo
6:00 am - 12:05 pmYXU-SFO
9h 05m1 stop
 Logo
9:02 pm - 5:14 amSFO-YXU
29h 12m2 stops
Sat, May 17 - Thu, May 22
 Logo
12:20 pm - 12:42 amYXU-SAN
39h 22m3 stops
 Logo
8:48 pm - 5:14 amSAN-YXU
29h 26m3 stops
Fri, Apr 18 - Wed, May 7

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 June and April, when the average cost of round-trip tickets is $508 and $471 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 4 weeks before departure.

Good to know

Low season

February

High season

January

Cheapest flight

$153
Best time to beat the crowds with an average 24% drop in price.
Most popular time to fly with an average 4% 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

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.