$151 Find Cheap Flights from London to California - Compare and Save

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 8/18. 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
1 adult, Economy, 0 bags

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Cheap Flights from London to California

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Los Angeles
Los Angeles2 stops$309
San Francisco
San Francisco1 stop$257
San Diego
San Diego1 stop$342
San Jose
San Jose2 stops$738
Reno
Reno2 stops$738
Los Angeles
Los Angeles2 stops$309
San Francisco
San Francisco1 stop$257
San Diego
San Diego1 stop$342
San Jose
San Jose2 stops$738
Reno
Reno2 stops$738

Book Cheap London to California Plane Tickets

 
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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to California

Wed, Aug 19 - Wed, Aug 26
WestJet Logo
6:10 am - 12:00 pm
YXU
-
SFO
8h 50m
1 stop
WestJet Logo
6:05 pm - 5:20 am
SFO
-
YXU
8h 15m
1 stop
$257WestJet
Fri, Aug 21 - Sat, Aug 29
WestJet Logo
2:40 pm - 9:55 pm
YXU
-
SFO
10h 15m
2 stops
WestJet Logo
1:00 pm - 1:50 pm
SFO
-
YXU
21h 50m
2 stops
$289WestJet
Tue, Sep 8 - Tue, Sep 15
Air Canada Logo
5:40 am - 10:34 am
YXU
-
LAX
7h 54m
1 stop
Air Canada Logo
11:55 am - 9:40 pm
LAX
-
YXU
6h 45m
1 stop
$315Air Canada
Thu, Sep 10 - Mon, Sep 14
Air Canada Logo
10:05 am - 3:35 pm
YXU
-
LAX
8h 30m
1 stop
Air Canada Logo
10:35 pm - 9:20 am
LAX
-
YXU
7h 45m
1 stop
$362Air Canada
Sat, Aug 29 - Tue, Sep 1
United Airlines Logo
3:30 pm - 10:24 am
YXU
-
PSP
21h 54m
2 stops
United Airlines Logo
1:33 pm - 9:20 am
PSP
-
YXU
16h 47m
2 stops
$445United Airlines
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
10:05 am - 8:19 pm
YXU
-
SNA
13h 14m
2 stops
United Airlines Logo
6:45 am - 9:20 am
SNA
-
YXU
23h 35m
2 stops
$465United Airlines
Fri, Sep 4 - Wed, Sep 9
Multiple Airlines Logo
6:10 am - 9:09 pm
YXU
-
SMF
17h 59m
2 stops
Multiple Airlines Logo
10:47 am - 5:20 am
SMF
-
YXU
15h 33m
2 stops
$609Multiple Airlines
Fri, Sep 11 - Mon, Sep 14
Delta Logo
6:10 am - 8:32 am
YXU
-
SMF
29h 22m
2 stops
Delta Logo
1:50 pm - 5:20 am
SMF
-
YXU
12h 30m
2 stops
$613Delta
Fri, Sep 11 - Mon, Sep 14
Delta Logo
6:10 am - 8:32 am
YXU
-
SMF
29h 22m
2 stops
Delta Logo
1:50 pm - 5:20 am
SMF
-
YXU
12h 30m
2 stops
$630Delta
Fri, Sep 4 - Tue, Sep 8
Multiple Airlines Logo
6:10 am - 9:09 pm
YXU
-
SMF
17h 59m
2 stops
Multiple Airlines Logo
10:47 am - 5:20 am
SMF
-
YXU
15h 33m
2 stops
$633Multiple 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.

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 August, when tickets cost $221 (return) on average. On the other hand, the most expensive months are February and March, when the average cost of round-trip tickets is $1,114 and $806 respectively.

Find deals

Good to know

Low season

February

Cheapest flight

$151
Best time to beat the crowds but there is an average 84% increase in price.
Most popular time to fly and prices are also 39% lower on average.
Flight from London to San Francisco

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.

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

Information on your arrival and departure airports

London (YXU)