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Cheap flights from the United Kingdom to California from $442

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to California departing on 6/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United Kingdom to California

Recent round-trip flight deals from the United Kingdom to California

Enter your travel dates to find the best prices.
Air Canada Logo
2:05 pm - 9:30 pm
LHR
-
LAX
15h 25m
1 stop
Air Canada Logo
8:15 am - 6:30 am
LAX
-
LHR
14h 15m
1 stop
$510Air Canada
Thu, Jul 30 - Sat, Aug 8
Lufthansa Logo
7:25 am - 3:15 pm
LHR
-
LAX
15h 50m
1 stop
Lufthansa Logo
3:30 pm - 10:10 am
LAX
-
LHR
10h 40mnonstop
$511Lufthansa
Mon, Apr 27 - Mon, May 4
Multiple Airlines Logo
7:25 am - 3:15 pm
LHR
-
LAX
15h 50m
1 stop
Multiple Airlines Logo
7:35 pm - 5:50 pm
LAX
-
LHR
14h 15m
1 stop
$512Multiple Airlines
Tue, Apr 14 - Mon, Apr 27
British Airways Logo
10:30 am - 1:45 pm
LHR
-
LAX
11h 15mnonstop
British Airways Logo
8:55 pm - 3:25 pm
LAX
-
LHR
10h 30mnonstop
$530British Airways
Mon, Sep 7 - Tue, Sep 15
British Airways Logo
11:40 am - 2:55 pm
LHR
-
LAX
11h 15mnonstop
British Airways Logo
8:55 pm - 3:25 pm
LAX
-
LHR
10h 30mnonstop
$531British Airways
Tue, Sep 8 - Tue, Sep 15
Norse Atlantic UK Logo
10:50 am - 2:10 pm
LGW
-
LAX
11h 20mnonstop
Norse Atlantic UK Logo
4:30 pm - 10:55 am
LAX
-
LGW
10h 25mnonstop
$544Norse Atlantic UK
Wed, Jun 17 - Thu, Jul 23
Norse Atlantic UK Logo
10:50 am - 2:10 pm
LGW
-
LAX
11h 20mnonstop
Norse Atlantic UK Logo
4:30 pm - 10:55 am
LAX
-
LGW
10h 25mnonstop
$552Norse Atlantic UK
Wed, Jun 17 - Thu, Jul 23
United Airlines Logo
9:30 am - 9:58 pm
LHR
-
ONT
20h 28m
2 stops
United Airlines Logo
5:00 am - 7:15 am
ONT
-
LHR
18h 15m
2 stops
$582United Airlines
Tue, May 5 - Tue, May 19
United Airlines Logo
1:40 pm - 9:55 pm
LHR
-
ONT
16h 15m
1 stop
United Airlines Logo
1:44 pm - 11:10 am
ONT
-
LHR
13h 26m
1 stop
$596United Airlines
Tue, Aug 4 - Tue, Aug 18
Delta Logo
3:15 pm - 11:10 pm
LHR
-
LAS
15h 55m
1 stop
Delta Logo
3:55 pm - 3:35 pm
LAS
-
LHR
15h 40m
1 stop
$797Delta
Mon, May 11 - Mon, Aug 31

Air Canada flights from United Kingdom to California

Our best Air Canada deals on United Kingdom to California flight tickets
Air Canada
Jul 30
LHR2:05 pmLondon Heathrow
15h 25m
1 stop
LAX9:30 pmLos Angeles
Aug 8
LAX8:15 amLos Angeles
14h 15m
1 stop
LHR6:30 amLondon Heathrow
$510
Air Canada
Jul 24
LHR8:30 amLondon Heathrow
14h 58m
1 stop
LAX3:28 pmLos Angeles
Aug 9
LAX8:15 amLos Angeles
17h 45m
1 stop
LHR10:00 amLondon Heathrow
$514
Air Canada
May 6
LHR8:40 amLondon Heathrow
19h 19m
2 stops
LAX7:59 pmLos Angeles
May 26
LAX8:15 amLos Angeles
17h 45m
1 stop
LHR10:00 amLondon Heathrow
$564

SWISS flights from United Kingdom to California

Our best SWISS deals on United Kingdom to California flight tickets
SWISS
Apr 15
LGW9:25 amLondon Gatwick
15h 05m
1 stop
LAX4:30 pmLos Angeles
Apr 27
LAX7:35 pmLos Angeles
14h 15m
1 stop
LGW5:50 pmLondon Gatwick
$529
SWISS
Apr 27
LGW9:25 amLondon Gatwick
15h 05m
1 stop
LAX4:30 pmLos Angeles
May 4
LAX7:35 pmLos Angeles
14h 15m
1 stop
LGW5:50 pmLondon Gatwick
$531
SWISS
Sep 8
LHR8:45 amLondon Heathrow
15h 45m
1 stop
LAX4:30 pmLos Angeles
Sep 22
LAX7:35 pmLos Angeles
14h 15m
1 stop
LHR5:50 pmLondon Heathrow
$532

momondo Fare Finder

 
Customize your flight search to find flights from United Kingdom to California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 1, 2026.
Use the filters below to find and compare flights from the United Kingdom to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 7/30

2:05 pm-9:30 pm

1 stop15h 25m

Los Angeles

Sat 8/8

8:15 am-6:30 am

1 stop14h 15m

$510

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 4/27

7:25 am-3:15 pm

1 stop15h 50m

Los Angeles

Mon 5/4

3:30 pm-10:10 am

Nonstop10h 40m

$511

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 4/14

7:25 am-3:15 pm

1 stop15h 50m

Los Angeles

Mon 4/27

7:35 pm-5:50 pm

1 stop14h 15m

$512
Quickest round-trip

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 9/7

10:30 am-1:45 pm

Nonstop11h 15m

Los Angeles

Tue 9/15

8:55 pm-3:25 pm

Nonstop10h 30m

$530

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 9/8

11:40 am-2:55 pm

Nonstop11h 15m

Los Angeles

Tue 9/15

8:55 pm-3:25 pm

Nonstop10h 30m

$531

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 6/17

10:50 am-2:10 pm

Nonstop11h 20m

Los Angeles

Thu 7/23

4:30 pm-10:55 am

Nonstop10h 25m

$544

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 6/17

10:50 am-2:10 pm

Nonstop11h 20m

Los Angeles

Thu 7/23

4:30 pm-10:55 am

Nonstop10h 25m

$552

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 5/5

9:30 am-9:58 pm

2 stops20h 28m

Ontario

Tue 5/19

5:00 am-7:15 am

2 stops18h 15m

$582

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 8/4

1:40 pm-9:55 pm

1 stop16h 15m

Ontario

Tue 8/18

1:44 pm-11:10 am

1 stop13h 26m

$596

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 5/11

3:15 pm-11:10 pm

1 stop15h 55m

Las Vegas Harry Reid Intl

Mon 8/31

3:55 pm-3:35 pm

1 stop15h 40m

$797

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to California from

How to get the cheapest flight ticket from United Kingdom to California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to California?

The month of February is another great option to travel to California, with average flight prices from United Kingdom averaging around $533.

What is the cheapest day to depart on your flight to California?

The cheapest day to depart from United Kingdom to California is on a Friday. Travelers who choose to depart for California on a Friday will often find tickets for as low as $666. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to California on Monday is $752.

What is the cheapest time of day to depart on your flight to California?

The cheapest time of day to fly to California is at noon when flights can be purchased for as low as $672. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $700 on average. Flights to California from United Kingdom in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest United Kingdom to California flight route?

Fly from London Gatwick to Los Angeles for the best United Kingdom - California flight prices

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

You are more likely to see cheaper flights to California from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around $643 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from United Kingdom for as low as $587 on momondo.

What cabin class options are available on United Kingdom to California flights?

There are 4 cabin classes available to choose from on United Kingdom to California flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to California flights?

You could potentially save up to 33% on your flight if you consider stops on a United Kingdom to California flight.

Cheap United Kingdom to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to California

Best Price Found

$424

Fastest flight time

10h 20m

Direct flights

Every day

Airports in California

418 airports
The best one-way flight to California from United Kingdom in the past 72 hours is $424. The best round-trip flight deal from United Kingdom to California found on momondo in the last 72 hours is $295.
The fastest flight from United Kingdom to California takes 10h 20m
Direct flights go from United Kingdom to California every day.
There are 418 airports in California. From United Kingdom there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

Frequently asked questions about flying from the United Kingdom to California

  • When did momondo last update prices for flights from United Kingdom to California?

    Prices for flights from United Kingdom to California are updated daily.

  • How many operators does momondo search for flights from United Kingdom to California?

  • How old do you have to be to fly from United Kingdom to California?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to California.

  • What documentation or ID do you need to fly to California?

    The necessary travel and health documents for your California trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from United Kingdom to California?

Best airlines flying from United Kingdom to California

Compare and see reviews for airlines that fly from United Kingdom to California with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom $348Free CancellationRating
7.4
1,561 reviews
Search Air France flights
Norse Atlantic UKPriceFrom $381Free CancellationRating
7.3
53 reviews
Search Norse Atlantic UK flights
DeltaPriceFrom $396Free CancellationRating
7.9
8,369 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $409Free CancellationRating
7.3
1,737 reviews
Search Scandinavian Airlines flights
Aer LingusPriceFrom $416Free CancellationRating
7.2
1,495 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom $449Free CancellationRating
7.1
2,187 reviews
Search TAP AIR PORTUGAL flights
LufthansaPriceFrom $468Free CancellationRating
6.8
7,882 reviews
Search Lufthansa flights
FinnairPriceFrom $487Free CancellationRating
7.7
1,376 reviews
Search Finnair flights
United AirlinesPriceFrom $494Free CancellationRating
7.4
9,533 reviews
Search United Airlines flights
KLMPriceFrom $494Free CancellationRating
7.8
1,482 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to California?

Finding the right flight to California from United Kingdom is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to California quick and easy, saving you time and money.

Can I find flights from United Kingdom to California with flexible booking policies on momondo?

Flights from United Kingdom to California with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from United Kingdom to California?

Once you have performed a search for United Kingdom to California flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from United Kingdom to California right now. Can momondo alert me if prices change?

If you are simply researching potential flights to California, momondo offers a useful price alert feature which will track prices for flights to California from United Kingdom and alert you when they change.

An easier way to manage your California trip

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