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

LEVEL and TAP AIR PORTUGAL are the most popular carriers operating from London to California

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

The number of flights available between London and California is 710 per week as of October 2025. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.

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

The number of flights available between London and California is 101 per day as of October 2025. The most frequent departure time is 14:00, with 64% of daily flights leaving in the afternoon.

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 41% of people opting to fly with this airline when travelling to California. Keep in mind that there are 24 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 October 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.

£270 Cheap Flights from London to California in 2025/26

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Cheap return flights

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06:00 - 14:40LHR-LAX

16h 40m1 stop

16:45 - 21:35LAX-LHR

20h 50m1 stop

£360TAP AIR PORTUGAL

Find Deal

Thu, 6 Nov - Thu, 13 Nov

13:40 - 15:00LHR-LAX

33h 20m1 stop

16:45 - 21:35LAX-LHR

20h 50m1 stop

£361TAP AIR PORTUGAL

Find Deal

Mon, 10 Nov - Tue, 25 Nov

06:00 - 14:40LHR-LAX

16h 40m1 stop

16:45 - 17:30LAX-LHR

16h 45m1 stop

£362TAP AIR PORTUGAL

Find Deal

Thu, 6 Nov - Sat, 15 Nov

07:40 - 14:50LHR-SFO

15h 10m1 stop

16:15 - 13:30SFO-LHR

13h 15m1 stop

£433Lufthansa

Find Deal

Mon, 17 Nov - Mon, 1 Dec

11:10 - 19:35LHR-SFO

16h 25m1 stop

16:15 - 13:30SFO-LHR

13h 15m1 stop

£434Lufthansa

Find Deal

Mon, 17 Nov - Mon, 1 Dec

12:20 - 22:38LHR-ONT

18h 18m1 stop

11:29 - 10:30ONT-LHR

16h 01m1 stop

£439Virgin Atlantic

Find Deal

Sun, 1 Mar - Sun, 8 Mar

12:20 - 22:49LHR-ONT

18h 29m1 stop

06:45 - 12:50ONT-LHR

22h 05m1 stop

£451Virgin Atlantic

Find Deal

Fri, 26 Dec - Tue, 6 Jan

10:55 - 14:10LGW-LAX

11h 15mdirect

16:30 - 10:55LAX-LGW

10h 25mdirect

£464Norse Atlantic UK

Find Deal

Wed, 22 Oct - Fri, 24 Oct

08:20 - 22:29LHR-ONT

22h 09m1 stop

07:00 - 06:50ONT-LHR

15h 50m1 stop

£478British Airways

Find Deal

Mon, 10 Nov - Mon, 24 Nov

15:00 - 22:29LHR-ONT

15h 29m1 stop

16:47 - 13:15ONT-LHR

12h 28m1 stop

£497British Airways

Find Deal

Tue, 4 Nov - Tue, 25 Nov

TAP AIR PORTUGAL flights from London to California

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

TAP AIR PORTUGAL

6 Nov

LHR06:00London Heathrow

16h 40m

1 stop

LAX14:40Los Angeles

13 Nov

LAX16:45Los Angeles

20h 50m

1 stop

LHR21:35London Heathrow

£360

Find similar

TAP AIR PORTUGAL

10 Nov

LHR13:40London Heathrow

33h 20m

1 stop

LAX15:00Los Angeles

25 Nov

LAX16:45Los Angeles

20h 50m

1 stop

LHR21:35London Heathrow

£361

Find similar

TAP AIR PORTUGAL

6 Nov

LHR06:00London Heathrow

16h 40m

1 stop

LAX14:40Los Angeles

15 Nov

LAX16:45Los Angeles

16h 45m

1 stop

LHR17:30London Heathrow

£362

Find similar

Scandinavian Airlines flights from London to California

Our best Scandinavian Airlines deals on London to California flight tickets

Scandinavian Airlines

7 Feb

LHR15:35London Heathrow

33h 25m

2 stops

LAX17:00Los Angeles

4 Mar

LAX19:30Los Angeles

18h 05m

2 stops

LHR21:35London Heathrow

£397

Find similar

Scandinavian Airlines

7 Feb

LHR15:35London Heathrow

33h 25m

2 stops

LAX17:00Los Angeles

4 Mar

LAX19:30Los Angeles

14h 10m

1 stop

LHR17:40London Heathrow

£399

Find similar

Scandinavian Airlines

17 Nov

LHR10:20London Heathrow

14h 40m

1 stop

LAX17:00Los Angeles

1 Dec

LAX19:30Los Angeles

14h 10m

1 stop

LHR17:40London Heathrow

£400

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 6/11

06:00-14:40

1 stop16h 40m

Los Angeles

Thu 13/11

16:45-21:35

1 stop20h 50m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 10/11

13:40-15:00

1 stop33h 20m

Los Angeles

Tue 25/11

16:45-21:35

1 stop20h 50m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 6/11

06:00-14:40

1 stop16h 40m

Los Angeles

Sat 15/11

16:45-17:30

1 stop16h 45m

£362

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 17/11

07:40-14:50

1 stop15h 10m

San Francisco

Mon 1/12

16:15-13:30

1 stop13h 15m

£433

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 17/11

11:10-19:35

1 stop16h 25m

San Francisco

Mon 1/12

16:15-13:30

1 stop13h 15m

£434

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sun 1/3

12:20-22:38

1 stop18h 18m

Ontario

Sun 8/3

11:29-10:30

1 stop16h 01m

£438

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 26/12

12:20-22:49

1 stop18h 29m

Ontario

Tue 6/1

06:45-12:50

1 stop22h 05m

£451

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 22/10

10:55-14:10

Nonstop11h 15m

Los Angeles

Fri 24/10

16:30-10:55

Nonstop10h 25m

£464

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 10/11

08:20-22:29

1 stop22h 09m

Ontario

Mon 24/11

07:00-06:50

1 stop15h 50m

£478

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 4/11

15:00-22:29

1 stop15h 29m

Ontario

Tue 25/11

16:47-13:15

1 stop12h 28m

£497

Flights are sorted by cheapest return 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?

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 £429.

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 £512. 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 £602.

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 £503. In contrast, the most expensive time of day to depart to California is in the afternoon when prices are around £574.

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 £504 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 £451 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	£270
Fastest flight time	10h 40m
Direct flights	Every day
Airports in California	1 airport

The best one-way flight to California from London in the past 72 hours is £270. The best return flight deal from London to California found on momondo in the last 72 hours is £361.

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

Direct flights go from London 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 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 October 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 31.09% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 15.92%, Boeing 777 at 12.91%, and Airbus A380-800 at 12.43%.

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 £240	Free Cancellation	Rating 7.9 7,973 reviews	Search Delta flights
Finnair	PriceFrom £282	Free Cancellation	Rating 7.6 1,332 reviews	Search Finnair flights
SWISS	PriceFrom £294	Free Cancellation	Rating 7.6 1,766 reviews	Search SWISS flights
Norse Atlantic UK	PriceFrom £296	Free Cancellation	Rating 7.2 50 reviews	Search Norse Atlantic UK flights
Aer Lingus	PriceFrom £336	Free Cancellation	Rating 7.2 1,328 reviews	Search Aer Lingus flights
Air Canada	PriceFrom £338	Free Cancellation	Rating 7.1 10,268 reviews	Search Air Canada flights
Brussels Airlines	PriceFrom £348	Free Cancellation	Rating 7.2 364 reviews	Search Brussels Airlines flights
Scandinavian Airlines	PriceFrom £349	Free Cancellation	Rating 7.4 1,530 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom £354	Free Cancellation	Rating 7.1 2,007 reviews	Search TAP AIR PORTUGAL flights
Austrian Airlines	PriceFrom £361	Free Cancellation	Rating 7.6 853 reviews	Search Austrian Airlines 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 £263

Flights to Orlandofrom £237

Flights to Los Angelesfrom £337

Flights to Miamifrom £348

Flights to San Franciscofrom £365

Flights to Bostonfrom £328

Flights to Chicagofrom £355

Flights to Las Vegasfrom £442

Flights to Washington, D.C.from £334

Flights to Atlantafrom £339

Flights to Dallasfrom £360

Flights to Houstonfrom £365

Cheap flights from London to California from £270

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 15/1. 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

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London to California

Cheap return flights

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Cheap last-minute flights

Cheap direct flights

TAP AIR PORTUGAL flights from London to California

Our best TAP AIR PORTUGAL 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

momondo Fare Finder

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

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 London during the month February is also very affordable. Most momondo users find prices during this month for around £429.

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 £503. In contrast, the most expensive time of day to depart to California is in the afternoon when prices are around £574.

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?

LEVEL and TAP AIR PORTUGAL 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 101 per day as of October 2025. The most frequent departure time is 14:00, with 64% 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 710 per week as of October 2025. The most frequent departure day is Wed, 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