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

United Airlines, SWISS, and Iberia are the most popular carriers operating from London to California

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

The number of flights available between London and California is 87 per day as of December 2025. The most frequent departure time is 11:00, with 54% of daily flights leaving in the afternoon.

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

The number of flights available between London and California is 609 per week as of December 2025. The most frequent departure day is Sun, with 15% of weekly flights leaving on this day.

Which airlines fly to California?

Virgin Atlantic, British Airways and Lufthansa are the top three most popular airlines that fly to California from London according to our data. Virgin Atlantic is the first choice among our users, with 42% of people opting to fly with this airline when travelling to California. Keep in mind that there are 22 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from London to California are refreshed on a daily basis.

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

As of December 2025, there are 24 operators available to choose from for flights from London to California.

How old do you have to be to fly from London 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 London to California.

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

The required travel and health documents for your California trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£312 Cheap Flights from London to California in 2025/26

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13:45 - 22:53

LHR

ONT

17h 08m1 stop

13:53 - 12:00

ONT

LHR

14h 07m1 stop

£373United Airlines

Mon, 12 Jan - Mon, 2 Feb

10:00 - 21:58

LHR

ONT

19h 58m1 stop

06:10 - 07:30

ONT

LHR

17h 20m1 stop

£395United Airlines

Sun, 11 Jan - Mon, 2 Feb

10:20 - 17:00

LHR

LAX

14h 40m1 stop

19:30 - 21:35

LAX

LHR

18h 05m2 stops

£441Scandinavian Airlines

Tue, 20 Jan - Sat, 31 Jan

07:05 - 17:00

LHR

LAX

17h 55m2 stops

19:30 - 17:40

LAX

LHR

14h 10m1 stop

£442Scandinavian Airlines

Fri, 23 Jan - Tue, 24 Feb

10:45 - 23:54

LHR

ONT

20h 09m1 stop

12:45 - 09:00

ONT

LHR

13h 15m1 stop

£452Virgin Atlantic

Tue, 10 Mar - Wed, 25 Mar

07:30 - 22:48

LHR

ONT

23h 18m2 stops

10:59 - 11:40

ONT

LHR

16h 41m1 stop

£458British Airways

Tue, 10 Feb - Tue, 3 Mar

07:35 - 22:48

LHR

ONT

23h 13m2 stops

15:09 - 12:15

ONT

LHR

13h 06m1 stop

£460British Airways

Wed, 28 Jan - Wed, 4 Feb

11:20 - 17:13

LHR

ONT

13h 53m1 stop

11:59 - 14:15

ONT

LHR

18h 16m1 stop

£461Virgin Atlantic

Mon, 30 Mar - Wed, 8 Apr

09:20 - 18:13

LCY

LAS

15h 53m2 stops

09:45 - 08:10

LAS

LCY

15h 25m2 stops

£559KLM

Mon, 9 Mar - Wed, 25 Mar

08:25 - 18:35

LCY

LAS

18h 10m1 stop

20:25 - 16:40

LAS

LCY

12h 15m1 stop

£563KLM

Mon, 30 Mar - Wed, 8 Apr

Lufthansa flights from London to California

Our best Lufthansa deals on London to California flight tickets

Lufthansa

12 Jan

LHR15:20London Heathrow

11h 25m

LAX18:45Los Angeles

26 Jan

LAX08:20Los Angeles

16h 50m

1 stop

LHR09:10London Heathrow

£465

Find similar

Lufthansa

12 Jan

LHR15:20London Heathrow

11h 25m

LAX18:45Los Angeles

26 Jan

LAX08:20Los Angeles

14h 00m

1 stop

LHR06:20London Heathrow

£469

Find similar

Lufthansa

24 Dec

LHR06:30London Heathrow

14h 10m

1 stop

SFO12:40San Francisco

7 Jan

SFO21:40San Francisco

15h 20m

1 stop

LHR21:00London Heathrow

£562

Find similar

Scandinavian Airlines flights from London to California

Our best Scandinavian Airlines deals on London to California flight tickets

Scandinavian Airlines

27 Jan

LHR17:30London Heathrow

31h 30m

2 stops

LAX17:00Los Angeles

3 Feb

LAX19:30Los Angeles

14h 10m

1 stop

LHR17:40London Heathrow

£444

Find similar

Scandinavian Airlines

25 Jan

LHR10:20London Heathrow

14h 40m

1 stop

LAX17:00Los Angeles

7 Feb

LAX19:30Los Angeles

15h 00m

1 stop

LHR18:30London Heathrow

£446

Find similar

Scandinavian Airlines

23 Jan

LHR07:05London Heathrow

17h 55m

2 stops

LAX17:00Los Angeles

24 Feb

LAX19:30Los Angeles

18h 05m

2 stops

LHR21:35London Heathrow

£446

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 12/1

13:45-22:53

1 stop17h 08m

Ontario

Mon 2/2

13:53-12:00

1 stop14h 07m

£373

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sun 11/1

10:00-21:58

1 stop19h 58m

Ontario

Mon 2/2

06:10-07:30

1 stop17h 20m

£395

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 20/1

10:20-17:00

1 stop14h 40m

Los Angeles

Sat 31/1

19:30-21:35

2 stops18h 05m

£441

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 23/1

07:05-17:00

2 stops17h 55m

Los Angeles

Tue 24/2

19:30-17:40

1 stop14h 10m

£442

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 10/3

10:45-23:54

1 stop20h 09m

Ontario

Wed 25/3

12:45-09:00

1 stop13h 15m

£452

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 10/2

07:30-22:48

2 stops23h 18m

Ontario

Tue 3/3

10:59-11:40

1 stop16h 41m

£458

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 28/1

07:35-22:48

2 stops23h 13m

Ontario

Wed 4/2

15:09-12:15

1 stop13h 06m

£460

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 30/3

11:20-17:13

1 stop13h 53m

Ontario

Wed 8/4

11:59-14:15

1 stop18h 16m

£461

LondonLas Vegas

LCY - LAS

LCYLAS

London City

Mon 9/3

09:20-18:13

2 stops15h 53m

Las Vegas Harry Reid Intl

Wed 25/3

09:45-08:10

2 stops15h 25m

£559

LondonLas Vegas

LCY - LAS

LCYLAS

London City

Mon 30/3

08:25-18:35

1 stop18h 10m

Las Vegas Harry Reid Intl

Wed 8/4

20:25-16:40

1 stop12h 15m

£563

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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?

If you are unable to visit California during the month of September, then departing from London during the month February is also very affordable. Most momondo users find prices during this month for around £425.

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 £511. 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 London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £583.

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 £501. In contrast, the most expensive time of day to depart to California is in the afternoon when prices are around £569.

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 £496 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 London for as low as £446 on momondo.

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

There are 4 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?

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

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	£376
Fastest flight time	10h 40m
Direct flights	Every day
Airports in California	418 airports

The best one-way flight to California from London in the past 72 hours is £376. The best return flight deal from London to California found on momondo in the last 72 hours is £387.

The fastest flight from London to California takes 10h 40m

Direct flights go from London to California every day.

There are 418 airports in California. From London there are direct flights to Las Vegas Harry Reid Intl (LAS).

Search flight deals

When did momondo last update prices for flights from London to California?
Prices for flights from London to California are refreshed on a daily basis.
How many operators does momondo search for flights from London to California?
As of December 2025, there are 24 operators available to choose from for flights from London to California.
How old do you have to be to fly from London 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 London to California.
What documentation or ID do you need to fly to California?
The required travel and health documents for your California trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London to California?
momondo data reveals that the most frequently booked plane model on the route from London to California is Boeing 787-9 Dreamliner, representing 31.22% of all bookings. The subsequent popular models are Airbus A380-800 at 17.05%, Boeing 777 at 14.61%, and Boeing 787 Dreamliner at 12.62%.

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
Delta	PriceFrom £238	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Finnair	PriceFrom £280	Free Cancellation	Rating 7.6 1,336 reviews	Search Finnair flights
SWISS	PriceFrom £293	Free Cancellation	Rating 7.5 1,812 reviews	Search SWISS flights
Norse Atlantic UK	PriceFrom £295	Free Cancellation	Rating 7.2 51 reviews	Search Norse Atlantic UK flights
Aer Lingus	PriceFrom £335	Free Cancellation	Rating 7.2 1,394 reviews	Search Aer Lingus flights
Air Canada	PriceFrom £337	Free Cancellation	Rating 7.1 10,525 reviews	Search Air Canada flights
Scandinavian Airlines	PriceFrom £339	Free Cancellation	Rating 7.4 1,606 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom £339	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom £359	Free Cancellation	Rating 7.2 375 reviews	Search Brussels Airlines flights
Air France	PriceFrom £359	Free Cancellation	Rating 7.4 1,506 reviews	Search Air France flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to California for you.

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

Flights from London 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 London to California?

Once you have performed a search for London 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 London to California right now. Can momondo alert me if prices change?

Price alerts on flights to California from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your California trip

We make it super easy to schedule, organise 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

Flights to New Yorkfrom £238

Flights to Orlandofrom £269

Flights to Los Angelesfrom £351

Flights to Miamifrom £328

Flights to San Franciscofrom £336

Flights to Chicagofrom £299

Flights to Las Vegasfrom £399

Flights to Bostonfrom £273

Flights to Washington, D.C.from £353

Flights to Atlantafrom £363

Flights to Dallasfrom £375

Flights to Houstonfrom £369

Cheap flights from London to California from £312

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 18/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from London to California

Cheap return flights

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Lufthansa flights from London to California

Our best Lufthansa deals on London to California flight tickets

Scandinavian Airlines flights from London to California

Our best Scandinavian Airlines deals on London to California flight tickets

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Use the filters below to find and compare flights from London to California that are best for you.

See travel insights to California from

How to get the cheapest flight ticket from London to California

What is the cheapest month to fly to California?

If you are unable to visit California during the month of September, then departing from London during the month February is also very affordable. Most momondo users find prices during this month for around £425.

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

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 £501. In contrast, the most expensive time of day to depart to California is in the afternoon when prices are around £569.

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?

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

There are 4 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?

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

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

United Airlines, SWISS, and Iberia are the most popular carriers operating from London to California

Which airlines fly to California?

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

The number of flights available between London and California is 87 per day as of December 2025. The most frequent departure time is 11:00, with 54% of daily flights leaving in the afternoon.

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

The number of flights available between London and California is 609 per week as of December 2025. The most frequent departure day is Sun, with 15% of weekly flights leaving on this day.

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

Fastest flight time

Direct flights

Airports in California

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

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?

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

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

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your California trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to California

Popular Cities in California

Popular flights according to clicks in the last 7 days on momondo