What is the cheapest airline that flies from London to California?

LEVEL, British Airways, and United Airlines are the most popular carriers operating from London to California

How many flights depart from London to California on average per week?

As of December 2025, there are 533 flights per week flying from London to California. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

How many flights depart from London to California on average per day?

As of December 2025, there are 76 flights per day flying from London to California. The most common time of day flights depart is 11:00a.m., with 57% of flights taking off in the afternoon.

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

Prices for flights from London to California are updated daily.

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.

C$ 625 Cheap Flights from London to California in 2025/26

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London to California

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:15 p.m. - 2:45 p.m.

LGW

LAX

25h 30m2 stops

4:45 p.m. - 9:45 a.m.

LAX

LGW

33h 00m1 stop

C$ 818TAP AIR PORTUGAL

Mon, 13 Apr - Tue, 21 Apr

8:20 a.m. - 4:02 p.m.

LHR

SNA

15h 42m1 stop

3:21 p.m. - 12:15 p.m.

SNA

LHR

12h 54m1 stop

C$ 836British Airways

Wed, 22 Apr - Tue, 5 May

11:10 a.m. - 7:16 p.m.

LHR

SNA

16h 06m1 stop

2:55 p.m. - 12:10 p.m.

SNA

LHR

13h 15m1 stop

C$ 847British Airways

Thu, 23 Apr - Wed, 6 May

6:40 p.m. - 4:35 p.m.

LGW

LAX

29h 55m1 stop

7:10 p.m. - 5:50 p.m.

LAX

LGW

14h 40m1 stop

C$ 855SWISS

Wed, 21 Jan - Mon, 9 Feb

6:30 a.m. - 12:40 p.m.

LHR

SFO

14h 10m1 stop

12:50 p.m. - 7:25 a.m.

SFO

LHR

10h 35mdirect

C$ 867Multiple Airlines

Mon, 2 Feb - Mon, 16 Feb

8:05 a.m. - 5:09 p.m.

LHR

SFO

17h 04m1 stop

8:45 a.m. - 9:30 a.m.

SFO

LHR

16h 45m1 stop

C$ 869JetBlue

Sat, 10 Jan - Sat, 24 Jan

7:50 p.m. - 2:35 p.m.

LHR

SFO

26h 45m2 stops

4:40 p.m. - 6:30 p.m.

SFO

LHR

17h 50m2 stops

C$ 870Scandinavian Airlines

Fri, 30 Jan - Fri, 6 Feb

7:50 p.m. - 2:35 p.m.

LHR

SFO

50h 45m2 stops

4:40 p.m. - 4:00 p.m.

SFO

LHR

15h 20m1 stop

C$ 873Scandinavian Airlines

Tue, 13 Jan - Thu, 26 Feb

8:05 p.m. - 4:30 p.m.

LHR

SFO

28h 25m1 stop

11:45 a.m. - 4:20 p.m.

SFO

LHR

20h 35m2 stops

C$ 885SWISS

Tue, 13 Jan - Tue, 20 Jan

7:00 a.m. - 6:10 p.m.

LGW

LAX

19h 10m1 stop

7:50 p.m. - 8:30 a.m.

LAX

LGW

28h 40m1 stop

C$ 891Multiple Airlines

Thu, 29 Jan - Tue, 3 Feb

TAP AIR PORTUGAL flights from London to California

Our best TAP AIR PORTUGAL deals on London to California flight tickets

TAP AIR PORTUGAL

13 Apr

LGW9:15 p.m.London Gatwick

25h 30m

2 stops

LAX2:45 p.m.Los Angeles

21 Apr

LAX4:45 p.m.Los Angeles

33h 00m

1 stop

LGW9:45 a.m.London Gatwick

C$ 818

Find similar

TAP AIR PORTUGAL

13 Apr

LGW4:25 p.m.London Gatwick

30h 20m

1 stop

LAX2:45 p.m.Los Angeles

21 Apr

LAX4:45 p.m.Los Angeles

33h 00m

1 stop

LGW9:45 a.m.London Gatwick

C$ 847

Find similar

TAP AIR PORTUGAL

13 Apr

LGW9:15 p.m.London Gatwick

25h 30m

2 stops

LAX2:45 p.m.Los Angeles

21 Apr

LAX4:45 p.m.Los Angeles

33h 00m

1 stop

LGW9:45 a.m.London Gatwick

C$ 867

Find similar

LEVEL flights from London to California

Our best LEVEL deals on London to California flight tickets

LEVEL

10 Feb

LGW9:50 a.m.London Gatwick

16h 15m

1 stop

LAX6:05 p.m.Los Angeles

17 Feb

LAX7:50 p.m.Los Angeles

36h 30m

1 stop

LGW4:20 p.m.London Gatwick

C$ 942

Find similar

LEVEL

16 Mar

LGW4:25 p.m.London Gatwick

33h 40m

1 stop

LAX7:05 p.m.Los Angeles

6 Apr

LAX7:55 p.m.Los Angeles

28h 35m

1 stop

LGW8:30 a.m.London Gatwick

C$ 1,020

Find similar

LEVEL

3 Mar

LGW9:50 a.m.London Gatwick

16h 15m

1 stop

LAX6:05 p.m.Los Angeles

19 Mar

LAX8:50 p.m.Los Angeles

15h 25m

1 stop

LGW7:15 p.m.London Gatwick

C$ 1,060

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Mon 13/4

9:15 p.m.-2:45 p.m.

2 stops25h 30m

Los Angeles

Tue 21/4

4:45 p.m.-9:45 a.m.

1 stop33h 00m

C$ 818

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Wed 22/4

8:20 a.m.-4:02 p.m.

1 stop15h 42m

Santa Ana J. Wayne/Orange Cnty

Tue 5/5

3:21 p.m.-12:15 p.m.

1 stop12h 54m

C$ 836

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Thu 23/4

11:10 a.m.-7:16 p.m.

1 stop16h 06m

Santa Ana J. Wayne/Orange Cnty

Wed 6/5

2:55 p.m.-12:10 p.m.

1 stop13h 15m

C$ 847

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 21/1

6:40 p.m.-4:35 p.m.

1 stop29h 55m

Los Angeles

Mon 9/2

7:10 p.m.-5:50 p.m.

1 stop14h 40m

C$ 855

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 2/2

6:30 a.m.-12:40 p.m.

1 stop14h 10m

San Francisco

Mon 16/2

12:50 p.m.-7:25 a.m.

Nonstop10h 35m

C$ 867

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 10/1

8:05 a.m.-5:09 p.m.

1 stop17h 04m

San Francisco

Sat 24/1

8:45 a.m.-9:30 a.m.

1 stop16h 45m

C$ 869

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 30/1

7:50 p.m.-2:35 p.m.

2 stops26h 45m

San Francisco

Fri 6/2

4:40 p.m.-6:30 p.m.

2 stops17h 50m

C$ 870

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 13/1

7:50 p.m.-2:35 p.m.

2 stops50h 45m

San Francisco

Thu 26/2

4:40 p.m.-4:00 p.m.

1 stop15h 20m

C$ 873

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 13/1

8:05 p.m.-4:30 p.m.

1 stop28h 25m

San Francisco

Tue 20/1

11:45 a.m.-4:20 p.m.

2 stops20h 35m

C$ 885

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Thu 29/1

7:00 a.m.-6:10 p.m.

1 stop19h 10m

Los Angeles

Tue 3/2

7:50 p.m.-8:30 a.m.

1 stop28h 40m

C$ 891

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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$ 739, 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$ 783.

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$ 867. 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$ 2,678. 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 in the afternoon. Our users have found flights to California in the afternoon for as low as C$ 867. Flights to California are more costly in the morning, with an average ticket price of C$ 963. Departure times in the morning 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$ 913 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$ 822 on momondo.

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

There are 2 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$ 2,959
Fastest flight time	11h 00m
Direct flights	Every day
Airports in California	418 airports

The best one-way flight to California from London in the past 72 hours is C$ 2,959. The best round-trip flight deal from London to California found on momondo in the last 72 hours is C$ 1,647.

The fastest flight from London to California takes 11h 00m

Direct flights go from London to California every day.

There are 418 airports in California. From London there are direct flights to 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 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?
Based on momondo bookings for flights between London and California, the leading plane model is Boeing 787-9 Dreamliner, making up 30.80% of the total bookings. Other popular models include Airbus A380-800 with 17.78%, Boeing 777 with 14.53%, and Boeing 787 Dreamliner with 11.58%.

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.