$211 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 9/12. 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 Angeles1 stop$294
San Francisco
San Francisco1 stop$310
San Diego
San Diego1 stop$272
San Jose
San Jose2 stops$666
Reno
Reno2 stops$589
Los Angeles
Los Angeles1 stop$294
San Francisco
San Francisco1 stop$310
San Diego
San Diego1 stop$272
San Jose
San Jose2 stops$666
Reno
Reno2 stops$589

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

Fri, Oct 16 - Mon, Oct 19
WestJet Logo
6:10 am - 2:10 pm
YXU
-
SAN
11h 00m
1 stop
WestJet Logo
3:30 pm - 5:20 am
SAN
-
YXU
10h 50m
1 stop
$272WestJet
Tue, Sep 8 - Tue, Sep 15
WestJet Logo
6:10 am - 12:25 pm
YXU
-
LAX
9h 15m
1 stop
WestJet Logo
6:05 pm - 5:20 am
LAX
-
YXU
8h 15m
1 stop
$294WestJet
Tue, Sep 8 - Tue, Sep 15
WestJet Logo
6:10 am - 11:20 am
YXU
-
LAX
32h 10m
2 stops
WestJet Logo
6:05 pm - 5:20 am
LAX
-
YXU
8h 15m
1 stop
$317WestJet
Thu, Sep 3 - Thu, Sep 17
WestJet Logo
6:10 am - 12:00 pm
YXU
-
SFO
8h 50m
1 stop
WestJet Logo
6:00 am - 4:45 pm
SFO
-
YXU
7h 45m
1 stop
$339WestJet
Fri, Sep 11 - Fri, Sep 18
WestJet Logo
5:55 pm - 9:55 pm
YXU
-
SFO
31h 00m
1 stop
WestJet Logo
6:00 am - 5:20 am
SFO
-
YXU
20h 20m
1 stop
$347WestJet
Thu, Oct 8 - Tue, Oct 13
WestJet Logo
6:10 am - 12:00 pm
YXU
-
SFO
8h 50m
1 stop
WestJet Logo
6:00 am - 5:20 am
SFO
-
YXU
20h 20m
1 stop
$352WestJet
Thu, Sep 24 - Sat, Sep 26
Air Canada Logo
3:30 pm - 8:55 pm
YXU
-
LAX
8h 25m
1 stop
Air Canada Logo
8:15 am - 9:40 pm
LAX
-
YXU
10h 25m
2 stops
$363Air Canada
Sun, Oct 4 - Wed, Oct 7
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
$366WestJet
Sat, Sep 12 - Sat, Sep 19
WestJet Logo
6:10 am - 6:20 pm
YXU
-
LAX
15h 10m
2 stops
WestJet Logo
6:05 pm - 5:20 am
LAX
-
YXU
8h 15m
1 stop
$372WestJet
Tue, Oct 27 - Fri, Oct 30
WestJet Logo
8:00 pm - 10:23 am
YXU
-
LAS
17h 23m
1 stop
WestJet Logo
8:00 am - 7:15 pm
LAS
-
YXU
8h 15m
1 stop
$373WestJet
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.

How much is a round-trip flight from London, Ontario to California?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London, Ontario to California departing in September.

Flight prices are below average for this route right now.

Flights to California from London, Ontario usually cost between $537 and $683 in September.
The lowest price found in the past 5 days was $294 on WestJet (Sep 8-Sep 15).

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 July, when tickets cost $388 (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

$211
Best time to beat the crowds but there is an average 75% increase in price.
Most popular time to fly and prices are also 31% lower on average.
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.

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

Information on your arrival and departure airports

London (YXU)