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Cheap flights from London to California from C$ 450

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to California departing on 2/2. 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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Cheap round-trip flights

Norse Atlantic UK Logo
10:55 a.m. - 2:10 p.m.LGW-LAX
11h 15mdirect
Norse Atlantic UK Logo
4:30 p.m. - 10:55 a.m.LAX-LGW
10h 25mdirect
C$ 673Norse Atlantic UK
Find Deal
Wed, 22 Oct - Wed, 22 Oct
Norse Atlantic UK Logo
10:55 a.m. - 2:10 p.m.LGW-LAX
11h 15mdirect
Norse Atlantic UK Logo
4:30 p.m. - 10:55 a.m.LAX-LGW
10h 25mdirect
C$ 695Norse Atlantic UK
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Logo
6:55 a.m. - 8:25 p.m.LGW-LAX
21h 30m1 stop
Logo
10:30 p.m. - 12:45 p.m.LAX-LGW
30h 15m1 stop
C$ 702
Find Deal
Sat, 22 Nov - Sat, 29 Nov
Logo
7:25 a.m. - 12:30 p.m.LGW-LAX
37h 05m1 stop
Logo
6:50 p.m. - 10:35 p.m.LAX-LGW
19h 45m1 stop
C$ 703
Find Deal
Sun, 16 Nov - Tue, 25 Nov
Delta Logo
6:15 a.m. - 12:50 p.m.LHR-SFO
14h 35m1 stop
Delta Logo
4:30 p.m. - 10:40 a.m.SFO-LHR
10h 10mdirect
C$ 738Delta
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Thu, 9 Oct - Fri, 6 Mar
British Airways Logo
10:30 a.m. - 6:06 p.m.LHR-SNA
15h 36m1 stop
British Airways Logo
10:23 a.m. - 7:20 a.m.SNA-LHR
12h 57m1 stop
C$ 738British Airways
Find Deal
Sat, 4 Oct - Sat, 18 Oct
United Airlines Logo
12:20 p.m. - 3:25 p.m.LHR-SFO
11h 05mdirect
United Airlines Logo
11:40 a.m. - 9:35 a.m.SFO-LHR
13h 55m1 stop
C$ 739United Airlines
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Sat, 27 Sep - Sun, 28 Sep
United Airlines Logo
10:35 a.m. - 1:40 p.m.LHR-SFO
11h 05mdirect
United Airlines Logo
4:35 p.m. - 1:20 p.m.SFO-LHR
12h 45m1 stop
C$ 741United Airlines
Find Deal
Fri, 3 Oct - Fri, 17 Oct
British Airways Logo
8:20 a.m. - 6:35 p.m.LHR-SFO
18h 15m1 stop
British Airways Logo
3:50 p.m. - 4:05 p.m.SFO-LHR
16h 15m1 stop
C$ 747British Airways
Find Deal
Sat, 27 Sep - Wed, 8 Oct
Delta Logo
11:40 a.m. - 3:40 p.m.LHR-SFO
11h 00mdirect
Delta Logo
5:30 p.m. - 10:40 a.m.SFO-LHR
10h 10mdirect
C$ 752Delta
Find Deal
Tue, 10 Mar - Fri, 27 Mar

Norse Atlantic UK flights from London to California

Our best Norse Atlantic UK deals on London to California flight tickets
Norse Atlantic UK
20 Sep
LGW9:50 a.m.London Gatwick
11h 15m
LAX1:05 p.m.Los Angeles
24 Sep
LAX4:30 p.m.Los Angeles
10h 25m
LGW10:55 a.m.London Gatwick
C$ 662
Find similar
Norse Atlantic UK
20 Sep
LGW9:50 a.m.London Gatwick
11h 15m
LAX1:05 p.m.Los Angeles
27 Sep
LAX3:05 p.m.Los Angeles
10h 25m
LGW9:30 a.m.London Gatwick
C$ 673
Find similar
Norse Atlantic UK
15 Oct
LGW10:55 a.m.London Gatwick
11h 15m
LAX2:10 p.m.Los Angeles
22 Oct
LAX4:30 p.m.Los Angeles
10h 25m
LGW10:55 a.m.London Gatwick
C$ 695
Find similar

SWISS flights from London to California

Our best SWISS deals on London to California flight tickets
SWISS
22 Oct
LGW6:35 p.m.London Gatwick
29h 55m
1 stop
LAX4:30 p.m.Los Angeles
5 Nov
LAX7:10 p.m.Los Angeles
14h 40m
1 stop
LGW5:50 p.m.London Gatwick
C$ 818
Find similar
SWISS
28 Jan
LGW6:40 p.m.London Gatwick
29h 55m
1 stop
LAX4:35 p.m.Los Angeles
19 Feb
LAX7:10 p.m.Los Angeles
14h 40m
1 stop
LGW5:50 p.m.London Gatwick
C$ 864
Find similar
SWISS
2 Mar
LGW6:40 p.m.London Gatwick
29h 55m
1 stop
LAX4:35 p.m.Los Angeles
16 Mar
LAX8:10 p.m.Los Angeles
14h 40m
1 stop
LGW5:50 p.m.London Gatwick
C$ 865
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London 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 96,600 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from London to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 22/10

10:55 a.m.-2:10 p.m.

Nonstop11h 15m

Los Angeles

Wed 22/10

4:30 p.m.-10:55 a.m.

Nonstop10h 25m

C$ 673

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 15/10

10:55 a.m.-2:10 p.m.

Nonstop11h 15m

Los Angeles

Wed 22/10

4:30 p.m.-10:55 a.m.

Nonstop10h 25m

C$ 695

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sat 22/11

6:55 a.m.-8:25 p.m.

1 stop21h 30m

Los Angeles

Sat 29/11

10:30 p.m.-12:45 p.m.

1 stop30h 15m

C$ 702

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sun 16/11

7:25 a.m.-12:30 p.m.

1 stop37h 05m

Los Angeles

Tue 25/11

6:50 p.m.-10:35 p.m.

1 stop19h 45m

C$ 703

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 9/10

6:15 a.m.-12:50 p.m.

1 stop14h 35m

San Francisco

Fri 6/3

4:30 p.m.-10:40 a.m.

Nonstop10h 10m

C$ 738

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Sat 4/10

10:30 a.m.-6:06 p.m.

1 stop15h 36m

Santa Ana J. Wayne/Orange Cnty

Sat 18/10

10:23 a.m.-7:20 a.m.

1 stop12h 57m

C$ 738

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 27/9

12:20 p.m.-3:25 p.m.

Nonstop11h 05m

San Francisco

Sun 28/9

11:40 a.m.-9:35 a.m.

1 stop13h 55m

C$ 739

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 3/10

10:35 a.m.-1:40 p.m.

Nonstop11h 05m

San Francisco

Fri 17/10

4:35 p.m.-1:20 p.m.

1 stop12h 45m

C$ 741

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 27/9

8:20 a.m.-6:35 p.m.

1 stop18h 15m

San Francisco

Wed 8/10

3:50 p.m.-4:05 p.m.

1 stop16h 15m

C$ 747

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 10/3

11:40 a.m.-3:40 p.m.

Nonstop11h 00m

San Francisco

Fri 27/3

5:30 p.m.-10:40 a.m.

Nonstop10h 10m

C$ 752

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 London 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 cheapest month to fly to California from London is in September. Flight prices, which tend to average around C$ 754, are often lower during this time because this is during the off-season. If you’re not able to fly to California in September, then February is your next best option. Flight prices from London to California during February average around C$ 786.

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

According to our data, Thursday is the cheapest day to fly to California from London. The lowest ticket price found for a Thursday departure recently was C$ 875. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from London to California on a Saturday will generally be more expensive and average around C$ 2,082. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest London to California flights are usually those with departure times at noon. Our users have found flights to California at noon for as low as C$ 931. Flights to California are more costly in the afternoon, with an average ticket price of C$ 1,401. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London to California flight route?

Fly from London Gatwick to Los Angeles for the best London - 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 London when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around C$ 923 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from London for as low as C$ 818 on momondo.

What cabin class options are available on London to California flights?

There are 3 cabin classes available to choose from on London 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 London to California flights?

You could potentially save up to 1% on your flight if you consider stops on a London to California flight.

Cheap London to California flight deals and tips

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

Best price found

C$ 2,975

Fastest flight time

11h 00m

Direct flights

Every day

Airports in California

2 airports
The best one-way flight to California from London in the past 72 hours is C$ 2,975. The best round-trip flight deal from London to California found on momondo in the last 72 hours is C$ 958.
The fastest flight from London to California takes 11h 00m
Direct flights go from London to California every day.
There are 2 airports near California: Los Angeles (LAX), San Francisco (SFO)
Search flight deals

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

    Prices for flights from London to California are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London 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 London to California?

Best airlines flying from London to California

Compare and see reviews for airlines that fly from London to California with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 881Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find London to California flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to California that suits you.

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

All flight searches from London to California on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to California?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to California.

I’m not ready to book a flight from London 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 London and alert you when they change.

An easier way to manage your California trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to California

Popular Cities in California

Popular flights according to clicks in the last 7 days on momondo
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Flights to Houstonfrom C$ 234