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Cheap flights from the United Kingdom to California from £313

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 9/2. 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 return flight deals from the United Kingdom to California

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
16:25 - 14:45LGW-LAX
30h 20m1 stop
TAP AIR PORTUGAL Logo
16:40 - 09:45LAX-LGW
33h 05m1 stop
£368TAP AIR PORTUGAL
Find Deal
Mon, 27 Apr - Fri, 8 May
TAP AIR PORTUGAL Logo
16:35 - 14:40LGW-LAX
30h 05m1 stop
TAP AIR PORTUGAL Logo
16:45 - 09:50LAX-LGW
33h 05m1 stop
£369TAP AIR PORTUGAL
Find Deal
Wed, 4 Feb - Tue, 10 Feb
Virgin Atlantic Logo
08:55 - 18:50LHR-SNA
16h 55m1 stop
Virgin Atlantic Logo
11:00 - 09:00SNA-LHR
14h 00m1 stop
£411Virgin Atlantic
Find Deal
Fri, 27 Mar - Tue, 31 Mar
Lufthansa Logo
07:40 - 14:50LHR-SFO
15h 10m1 stop
Lufthansa Logo
16:15 - 13:30SFO-LHR
13h 15m1 stop
£437Lufthansa
Find Deal
Tue, 17 Feb - Thu, 26 Feb
Virgin Atlantic Logo
12:20 - 22:24LHR-SNA
17h 04m1 stop
Virgin Atlantic Logo
11:00 - 09:00SNA-LHR
14h 00m1 stop
£438Virgin Atlantic
Find Deal
Fri, 27 Mar - Tue, 31 Mar
Lufthansa Logo
07:40 - 17:38LHR-SNA
17h 58m2 stops
Lufthansa Logo
12:15 - 10:15SNA-LHR
14h 00m1 stop
£480Lufthansa
Find Deal
Wed, 3 Dec - Wed, 10 Dec
KLM Logo
17:50 - 16:34LHR-SNA
30h 44m2 stops
KLM Logo
11:59 - 09:00SNA-LHR
13h 01m1 stop
£489KLM
Find Deal
Tue, 20 Jan - Fri, 30 Jan
British Airways Logo
06:00 - 18:45LHR-ONT
20h 45m2 stops
British Airways Logo
15:09 - 12:15ONT-LHR
13h 06m1 stop
£491British Airways
Find Deal
Tue, 20 Jan - Fri, 30 Jan
British Airways Logo
10:05 - 18:17LHR-ONT
16h 12m1 stop
British Airways Logo
12:45 - 10:00ONT-LHR
13h 15m1 stop
£500British Airways
Find Deal
Mon, 8 Dec - Tue, 23 Dec
KLM Logo
12:20 - 22:29LHR-ONT
18h 09m1 stop
KLM Logo
22:30 - 07:50ONT-LHR
25h 20m1 stop
£512KLM
Find Deal
Sat, 24 Jan - Tue, 3 Feb

SWISS flights from United Kingdom to California

Our best SWISS deals on United Kingdom to California flight tickets
SWISS
3 Dec
LCY09:20London City
15h 15m
1 stop
LAX16:35Los Angeles
9 Dec
LAX19:10Los Angeles
13h 55m
1 stop
LCY17:05London City
£461
Find similar
SWISS
26 Nov
LGW18:40London Gatwick
29h 55m
1 stop
LAX16:35Los Angeles
1 Dec
LAX19:10Los Angeles
14h 40m
1 stop
LGW17:50London Gatwick
£464
Find similar
SWISS
2 Dec
LGW18:40London Gatwick
29h 50m
1 stop
SFO16:30San Francisco
9 Dec
SFO19:25San Francisco
14h 25m
1 stop
LGW17:50London Gatwick
£464
Find similar

Scandinavian Airlines flights from United Kingdom to California

Our best Scandinavian Airlines deals on United Kingdom to California flight tickets
Scandinavian Airlines
20 Nov
LHR06:40London Heathrow
18h 20m
1 stop
LAX17:00Los Angeles
22 Jan
LAX19:30Los Angeles
14h 10m
1 stop
LHR17:40London Heathrow
£413
Find similar
Scandinavian Airlines
15 Jan
LHR10:20London Heathrow
14h 40m
1 stop
LAX17:00Los Angeles
23 Jan
LAX19:30Los Angeles
36h 30m
1 stop
LHR16:00London Heathrow
£413
Find similar
Scandinavian Airlines
13 Dec
LHR06:40London Heathrow
15h 55m
1 stop
SFO14:35San Francisco
10 Jan
SFO16:40San Francisco
15h 20m
1 stop
LHR16:00London Heathrow
£415
Find similar

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 4 November 2025.
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

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Mon 27/4

16:25-14:45

1 stop30h 20m

Los Angeles

Fri 8/5

16:40-09:45

1 stop33h 05m

£368

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 4/2

16:35-14:40

1 stop30h 05m

Los Angeles

Tue 10/2

16:45-09:50

1 stop33h 05m

£369

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Fri 27/3

08:55-18:50

1 stop16h 55m

Santa Ana J. Wayne/Orange Cnty

Tue 31/3

11:00-09:00

1 stop14h 00m

£411

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 17/2

07:40-14:50

1 stop15h 10m

San Francisco

Thu 26/2

16:15-13:30

1 stop13h 15m

£437

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Fri 27/3

12:20-22:24

1 stop17h 04m

Santa Ana J. Wayne/Orange Cnty

Tue 31/3

11:00-09:00

1 stop14h 00m

£438

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Wed 3/12

07:40-17:38

2 stops17h 58m

Santa Ana J. Wayne/Orange Cnty

Wed 10/12

12:15-10:15

1 stop14h 00m

£480

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Tue 20/1

17:50-16:34

2 stops30h 44m

Santa Ana J. Wayne/Orange Cnty

Fri 30/1

11:59-09:00

1 stop13h 01m

£489

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 20/1

06:00-18:45

2 stops20h 45m

Ontario

Fri 30/1

15:09-12:15

1 stop13h 06m

£491

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 8/12

10:05-18:17

1 stop16h 12m

Ontario

Tue 23/12

12:45-10:00

1 stop13h 15m

£500

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 24/1

12:20-22:29

1 stop18h 09m

Ontario

Tue 3/2

22:30-07:50

1 stop25h 20m

£512

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 £436.

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 £520. 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 £609.

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 evening when flights can be purchased for as low as £510. In contrast, the most expensive time of day to depart to California is in the afternoon when prices are around £587.

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 £512 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 £461 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

£374

Fastest flight time

10h 40m

Direct flights

Every day

Airports in California

1 airport
The best one-way flight to California from United Kingdom in the past 72 hours is £374. The best return flight deal from United Kingdom to California found on momondo in the last 72 hours is £433.
The fastest flight from United Kingdom to California takes 10h 40m
Direct flights go from United Kingdom to California every day.
There is 1 airport near California: Las Vegas Harry Reid Intl (LAS)
Search flight deals

  • 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
DeltaPriceFrom £243Free CancellationRating
7.9
8,002 reviews
Search Delta flights
FinnairPriceFrom £285Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
SWISSPriceFrom £298Free CancellationRating
7.5
1,777 reviews
Search SWISS flights
Norse Atlantic UKPriceFrom £300Free CancellationRating
7.2
51 reviews
Search Norse Atlantic UK flights
Air CanadaPriceFrom £343Free CancellationRating
7.1
10,400 reviews
Search Air Canada flights
United AirlinesPriceFrom £345Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom £358Free CancellationRating
7.1
2,046 reviews
Search TAP AIR PORTUGAL flights
Brussels AirlinesPriceFrom £362Free CancellationRating
7.2
369 reviews
Search Brussels Airlines flights
Air FrancePriceFrom £366Free CancellationRating
7.4
1,482 reviews
Search Air France flights
Austrian AirlinesPriceFrom £368Free CancellationRating
7.6
863 reviews
Search Austrian 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.

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