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Cheap flights from the United Kingdom to California from £334

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 23/6. 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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Find the cheapest flights from the United Kingdom to California

Recent return flight deals from the United Kingdom to California

Enter your travel dates to find the best prices.
Air Canada Logo
14:05 - 21:30
LHR
-
LAX
15h 25m
1 stop
Air Canada Logo
08:15 - 06:30
LAX
-
LHR
14h 15m
1 stop
£386Air Canada
Thu, 30 Jul - Sat, 8 Aug
Lufthansa Logo
07:25 - 15:15
LHR
-
LAX
15h 50m
1 stop
Lufthansa Logo
15:30 - 10:10
LAX
-
LHR
10h 40mdirect
£387Lufthansa
Mon, 27 Apr - Mon, 4 May
Multiple Airlines Logo
07:25 - 15:15
LHR
-
LAX
15h 50m
1 stop
Multiple Airlines Logo
19:35 - 17:50
LAX
-
LHR
14h 15m
1 stop
£387Multiple Airlines
Tue, 14 Apr - Mon, 27 Apr
Lufthansa Logo
07:25 - 15:15
LHR
-
LAX
15h 50m
1 stop
Lufthansa Logo
14:10 - 11:55
LAX
-
LHR
13h 45m
1 stop
£388Lufthansa
Mon, 27 Apr - Mon, 4 May
Scandinavian Airlines Logo
06:40 - 14:40
LHR
-
SFO
16h 00m
1 stop
Scandinavian Airlines Logo
16:45 - 17:40
SFO
-
LHR
16h 55m
1 stop
£406Scandinavian Airlines
Wed, 16 Sep - Sun, 20 Sep
British Airways Logo
14:20 - 17:30
LHR
-
SFO
11h 10mdirect
British Airways Logo
19:30 - 13:55
SFO
-
LHR
10h 25mdirect
£415British Airways
Wed, 15 Apr - Tue, 19 May
British Airways Logo
14:20 - 17:30
LHR
-
SFO
11h 10mdirect
British Airways Logo
16:35 - 11:00
SFO
-
LHR
10h 25mdirect
£427British Airways
Wed, 16 Sep - Tue, 22 Sep
United Airlines Logo
09:30 - 21:58
LHR
-
ONT
20h 28m
2 stops
United Airlines Logo
05:00 - 07:15
ONT
-
LHR
18h 15m
2 stops
£440United Airlines
Tue, 5 May - Tue, 19 May
United Airlines Logo
13:40 - 21:55
LHR
-
ONT
16h 15m
1 stop
United Airlines Logo
13:44 - 11:10
ONT
-
LHR
13h 26m
1 stop
£451United Airlines
Tue, 4 Aug - Tue, 18 Aug
Aer Lingus Logo
07:40 - 17:30
LHR
-
LAS
17h 50m
1 stop
Aer Lingus Logo
19:15 - 17:20
LAS
-
LHR
14h 05m
1 stop
£607Aer Lingus
Tue, 21 Apr - Tue, 28 Apr

Air Canada flights from United Kingdom to California

Our best Air Canada deals on United Kingdom to California flight tickets
Air Canada
30 Jul
LHR14:05London Heathrow
15h 25m
1 stop
LAX21:30Los Angeles
8 Aug
LAX08:15Los Angeles
14h 15m
1 stop
LHR06:30London Heathrow
£386
Air Canada
24 Jul
LHR08:30London Heathrow
14h 58m
1 stop
LAX15:28Los Angeles
9 Aug
LAX08:15Los Angeles
17h 45m
1 stop
LHR10:00London Heathrow
£389
Air Canada
6 May
LHR08:40London Heathrow
19h 19m
2 stops
LAX19:59Los Angeles
26 May
LAX08:15Los Angeles
17h 45m
1 stop
LHR10:00London Heathrow
£427

SWISS flights from United Kingdom to California

Our best SWISS deals on United Kingdom to California flight tickets
SWISS
15 Apr
LGW09:25London Gatwick
15h 05m
1 stop
LAX16:30Los Angeles
27 Apr
LAX19:35Los Angeles
14h 15m
1 stop
LGW17:50London Gatwick
£400
SWISS
27 Apr
LGW09:25London Gatwick
15h 05m
1 stop
LAX16:30Los Angeles
4 May
LAX19:35Los Angeles
14h 15m
1 stop
LGW17:50London Gatwick
£402
SWISS
8 Sept
LHR08:45London Heathrow
15h 45m
1 stop
LAX16:30Los Angeles
22 Sept
LAX19:35Los Angeles
14h 15m
1 stop
LHR17:50London Heathrow
£402

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 1 April 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 return flight

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 30/7

14:05-21:30

1 stop15h 25m

Los Angeles

Sat 8/8

08:15-06:30

1 stop14h 15m

£386

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 27/4

07:25-15:15

1 stop15h 50m

Los Angeles

Mon 4/5

15:30-10:10

Nonstop10h 40m

£387

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 14/4

07:25-15:15

1 stop15h 50m

Los Angeles

Mon 27/4

19:35-17:50

1 stop14h 15m

£387

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 27/4

07:25-15:15

1 stop15h 50m

Los Angeles

Mon 4/5

14:10-11:55

1 stop13h 45m

£388

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 16/9

06:40-14:40

1 stop16h 00m

San Francisco

Sun 20/9

16:45-17:40

1 stop16h 55m

£406
Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 15/4

14:20-17:30

Nonstop11h 10m

San Francisco

Tue 19/5

19:30-13:55

Nonstop10h 25m

£415

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 16/9

14:20-17:30

Nonstop11h 10m

San Francisco

Tue 22/9

16:35-11:00

Nonstop10h 25m

£427

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 5/5

09:30-21:58

2 stops20h 28m

Ontario

Tue 19/5

05:00-07:15

2 stops18h 15m

£440

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 4/8

13:40-21:55

1 stop16h 15m

Ontario

Tue 18/8

13:44-11:10

1 stop13h 26m

£451

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 21/4

07:40-17:30

1 stop17h 50m

Las Vegas Harry Reid Intl

Tue 28/4

19:15-17:20

1 stop14h 05m

£607

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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?

If you are unable to visit California during the month of September, then departing from United Kingdom during the month February is also very affordable. Most momondo users find prices during this month for around £403.

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

The cheapest day to depart on your flight to California is on a Wednesday when prices can be found for as low as £507. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £571.

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

The cheapest time of day to fly to California is in the morning when flights can be purchased for as low as £502. In contrast, the most expensive time of day to depart to California is in the afternoon when prices are around £559.

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 £486 when searching weeks before you fly. 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 £444 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?

No. A direct flight is the cheapest option for a flight between United Kingdom to California.

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

£205

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 £205. The best return flight deal from United Kingdom to California found on momondo in the last 72 hours is £413.
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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to California.

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

    The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
IberiaPriceFrom £185Free CancellationRating
7.0
3,162 reviews
Search Iberia flights
Air FrancePriceFrom £240Free CancellationRating
7.4
1,559 reviews
Search Air France flights
Norse Atlantic UKPriceFrom £274Free CancellationRating
7.3
53 reviews
Search Norse Atlantic UK flights
SWISSPriceFrom £282Free CancellationRating
7.5
1,909 reviews
Search SWISS flights
DeltaPriceFrom £313Free CancellationRating
7.9
8,367 reviews
Search Delta flights
Aer LingusPriceFrom £339Free CancellationRating
7.2
1,494 reviews
Search Aer Lingus flights
Brussels AirlinesPriceFrom £339Free CancellationRating
7.2
397 reviews
Search Brussels Airlines flights
Air CanadaPriceFrom £341Free CancellationRating
7.1
10,876 reviews
Search Air Canada flights
Scandinavian AirlinesPriceFrom £342Free CancellationRating
7.3
1,734 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom £343Free CancellationRating
7.4
9,530 reviews
Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United Kingdom to California. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for United Kingdom to California flights to just show those with flexible booking policies.

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?

Yes momondo offers price alerts on flights to California from United Kingdom. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your California trip

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