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

The number of flights available between London and California is 47 per day as of October 2026. The most frequent departure time is 10:00AM, with 56% of daily flights leaving in the afternoon.

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

Alaska Airlines, United Airlines, 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?

As of October 2026, 333 flights take off from London and land in California each week. The most common flight departure day for this route is Wed, with 27% of weekly flights taking off on this day.

What airlines fly to California?

British Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to California from London according to our data. British Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to California. Keep in mind that there are 15 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 refresh daily.

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

The number of operators available for flights from London to California is 15 as of October 2026.

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.

$447 Cheap Flights from London to California in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

11:20 am - 11:02 pmLHR London Heathrow-SFO San Francisco

19h 42m1 stop Detroit Metropolitan Wayne County

6:00 am - 6:50 amSFO San Francisco-LHR London Heathrow

16h 50m1 stop Detroit Metropolitan Wayne County

$512Delta

Wed, Nov 11 - Mon, Dec 14

10:10 am - 8:58 pmLHR London Heathrow-SFO San Francisco

18h 48m1 stop New York John F Kennedy Intl

6:00 am - 6:50 amSFO San Francisco-LHR London Heathrow

16h 50m1 stop Detroit Metropolitan Wayne County

$512Delta

Tue, Nov 10 - Mon, Dec 14

10:20 am - 4:50 pmLHR London Heathrow-LAX Los Angeles

14h 30m1 stop Kastrup Copenhagen

7:10 pm - 9:40 pmLAX Los Angeles-LHR London Heathrow

18h 30m1 stop Kastrup Copenhagen

$515Scandinavian Airlines

Thu, Apr 15 - Tue, Apr 20

6:40 am - 4:50 pmLHR London Heathrow-LAX Los Angeles

18h 10m1 stop Kastrup Copenhagen

7:10 pm - 5:40 pmLAX Los Angeles-LHR London Heathrow

14h 30m1 stop Kastrup Copenhagen

$515Scandinavian Airlines

Thu, Apr 15 - Sun, Apr 18

6:10 am - 7:20 amSTN London Stansted-LAX Los Angeles

33h 10m2 stops Milan Malpensa Casablanca Mohamed V

9:20 am - 10:20 pmLAX Los Angeles-STN London Stansted

29h 00m2 stops Casablanca Mohamed V Milan Malpensa

$517Multiple Airlines

Mon, Nov 23 - Tue, Dec 8

6:10 am - 7:20 amSTN London Stansted-LAX Los Angeles

33h 10m2 stops Milan Malpensa Casablanca Mohamed V

9:20 am - 10:20 pmLAX Los Angeles-STN London Stansted

29h 00m2 stops Casablanca Mohamed V Milan Malpensa

$518Multiple Airlines

Mon, Nov 23 - Tue, Dec 8

11:35 am - 7:29 pmLHR London Heathrow-LAX Los Angeles

15h 54m1 stop Denver Intl

1:05 pm - 11:15 amLAX Los Angeles-LHR London Heathrow

14h 10m1 stop San Francisco

$519United Airlines

Wed, Nov 25 - Mon, Nov 30

4:35 pm - 3:15 pmLGW London Gatwick-LAX Los Angeles

30h 40m1 stop Lisbon Humberto Delgado

5:10 pm - 9:50 amLAX Los Angeles-LGW London Gatwick

32h 40m1 stop Lisbon Humberto Delgado

$521TAP AIR PORTUGAL

Mon, Nov 23 - Sat, Nov 28

12:05 pm - 10:24 pmLHR London Heathrow-SFO San Francisco

18h 19m1 stop Houston George Bush Intcntl

6:35 am - 7:55 amSFO San Francisco-LHR London Heathrow

17h 20m1 stop Chicago O'Hare Intl

$522United Airlines

Sun, Dec 6 - Sun, Dec 13

4:35 pm - 3:15 pmLGW London Gatwick-LAX Los Angeles

30h 40m1 stop Lisbon Humberto Delgado

5:10 pm - 9:50 amLAX Los Angeles-LGW London Gatwick

32h 40m1 stop Lisbon Humberto Delgado

$522TAP AIR PORTUGAL

Mon, Nov 9 - Sat, Nov 14

Cheap last minute flights

Enter your travel dates to find the best prices.

1:40 pm - 3:15 pmLHR London Heathrow-LAX Los Angeles

33h 35m1 stop Lisbon Humberto Delgado

5:10 pm - 9:35 pmLAX Los Angeles-LHR London Heathrow

20h 25m1 stop Lisbon Humberto Delgado

$522TAP AIR PORTUGAL

Wed, Nov 4 - Tue, Nov 17

1:40 pm - 3:15 pmLHR London Heathrow-LAX Los Angeles

33h 35m1 stop Lisbon Humberto Delgado

5:10 pm - 10:40 pmLAX Los Angeles-LHR London Heathrow

21h 30m1 stop Lisbon Humberto Delgado

$523TAP AIR PORTUGAL

Wed, Nov 4 - Tue, Nov 10

2:45 pm - 6:17 pmLHR London Heathrow-ONT Ontario

35h 32m1 stop Seattle/Tacoma Intl

6:00 am - 12:20 pmONT Ontario-LHR London Heathrow

22h 20m1 stop Seattle/Tacoma Intl

$564Alaska Airlines

Thu, Nov 5 - Sun, Nov 8

2:45 pm - 9:43 pmLHR London Heathrow-SFO San Francisco

14h 58m1 stop Seattle/Tacoma Intl

6:48 pm - 12:20 pmSFO San Francisco-LHR London Heathrow

33h 32m1 stop Seattle/Tacoma Intl

$564Alaska Airlines

Wed, Nov 4 - Wed, Nov 11

3:20 pm - 6:45 pmLHR London Heathrow-SFO San Francisco

11h 25mnonstop

5:25 pm - 11:50 amSFO San Francisco-LHR London Heathrow

10h 25mnonstop

$653British Airways

Mon, Nov 2 - Wed, Dec 16

11:45 am - 2:55 pmLHR London Heathrow-SFO San Francisco

11h 10mnonstop

5:25 pm - 11:50 amSFO San Francisco-LHR London Heathrow

10h 25mnonstop

$655British Airways

Thu, Nov 5 - Wed, Dec 16

4:30 pm - 1:10 pmLHR London Heathrow-SFO San Francisco

28h 40m1 stop Rome Fiumicino

3:05 pm - 3:40 pmSFO San Francisco-LHR London Heathrow

16h 35m1 stop Rome Fiumicino

$741ITA Airways

Wed, Nov 4 - Thu, Dec 3

4:30 pm - 1:10 pmLHR London Heathrow-SFO San Francisco

28h 40m1 stop Rome Fiumicino

3:05 pm - 3:40 pmSFO San Francisco-LHR London Heathrow

16h 35m1 stop Rome Fiumicino

$741ITA Airways

Wed, Nov 4 - Tue, Dec 1

6:40 am - 2:50 pmLHR London Heathrow-SFO San Francisco

16h 10m1 stop Kastrup Copenhagen

4:45 pm - 4:00 pmSFO San Francisco-LHR London Heathrow

15h 15m1 stop Kastrup Copenhagen

$761Scandinavian Airlines

Tue, Nov 3 - Tue, Dec 1

5:00 pm - 2:50 pmLHR London Heathrow-SFO San Francisco

29h 50m1 stop Kastrup Copenhagen

4:45 pm - 9:35 pmSFO San Francisco-LHR London Heathrow

20h 50m2 stops Kastrup Copenhagen Oslo Gardermoen

$766Scandinavian Airlines

Wed, Nov 4 - Mon, Nov 16

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TAP AIR PORTUGAL flights from London to California

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

TAP AIR PORTUGAL

Nov 10

LHR6:00 amLondon Heathrow

17h 15m

1 stop

LAX3:15 pmLos Angeles

Nov 14

LAX5:10 pmLos Angeles

21h 30m

1 stop

LHR10:40 pmLondon Heathrow

$518

TAP AIR PORTUGAL

Nov 9

LHR6:30 pmLondon Heathrow

28h 45m

1 stop

LAX3:15 pmLos Angeles

Nov 14

LAX5:10 pmLos Angeles

21h 30m

1 stop

LHR10:40 pmLondon Heathrow

$519

TAP AIR PORTUGAL

Nov 9

LHR1:40 pmLondon Heathrow

33h 35m

1 stop

LAX3:15 pmLos Angeles

Nov 24

LAX5:10 pmLos Angeles

21h 30m

1 stop

LHR10:40 pmLondon Heathrow

$520

Alaska Airlines flights from London to California

Our best Alaska Airlines deals on London to California flight tickets

Alaska Airlines

Nov 16

LHR2:45 pmLondon Heathrow

15h 57m

1 stop

LAX10:42 pmLos Angeles

Nov 23

LAX11:46 amLos Angeles

16h 34m

1 stop

LHR12:20 pmLondon Heathrow

$552

Alaska Airlines

Nov 20

LHR2:45 pmLondon Heathrow

33h 09m

1 stop

LAX3:54 pmLos Angeles

Nov 30

LAX6:00 amLos Angeles

22h 20m

1 stop

LHR12:20 pmLondon Heathrow

$553

Alaska Airlines

Nov 12

LHR2:45 pmLondon Heathrow

16h 59m

1 stop

LAX11:44 pmLos Angeles

Nov 26

LAX11:46 amLos Angeles

16h 34m

1 stop

LHR12:20 pmLondon Heathrow

$555

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Wed 11/11

11:20 am-11:02 pm

1 stop19h 42m

San Francisco

Mon 12/14

6:00 am-6:50 am

1 stop16h 50m

$512

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Tue 11/10

10:10 am-8:58 pm

1 stop18h 48m

San Francisco

Mon 12/14

6:00 am-6:50 am

1 stop16h 50m

$512

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Thu 4/15

10:20 am-4:50 pm

1 stop14h 30m

Los Angeles

Tue 4/20

7:10 pm-9:40 pm

1 stop18h 30m

$515

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Thu 4/15

6:40 am-4:50 pm

1 stop18h 10m

Los Angeles

Sun 4/18

7:10 pm-5:40 pm

1 stop14h 30m

$515

LondonLos Angeles

STN London Stansted - LAX Los Angeles

STNLAX

London Stansted

Mon 11/23

6:10 am-7:20 am

2 stops33h 10m

Los Angeles

Tue 12/8

9:20 am-10:20 pm

2 stops29h 00m

$517

LondonLos Angeles

STN London Stansted - LAX Los Angeles

STNLAX

London Stansted

Mon 11/23

6:10 am-7:20 am

2 stops33h 10m

Los Angeles

Tue 12/8

9:20 am-10:20 pm

2 stops29h 00m

$518

Quickest round-trip

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Wed 11/25

11:35 am-7:29 pm

1 stop15h 54m

Los Angeles

Mon 11/30

1:05 pm-11:15 am

1 stop14h 10m

$519

LondonLos Angeles

LGW London Gatwick - LAX Los Angeles

LGWLAX

London Gatwick

Mon 11/23

4:35 pm-3:15 pm

1 stop30h 40m

Los Angeles

Sat 11/28

5:10 pm-9:50 am

1 stop32h 40m

$521

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sun 12/6

12:05 pm-10:24 pm

1 stop18h 19m

San Francisco

Sun 12/13

6:35 am-7:55 am

1 stop17h 20m

$522

LondonLos Angeles

LGW London Gatwick - LAX Los Angeles

LGWLAX

London Gatwick

Mon 11/9

4:35 pm-3:15 pm

1 stop30h 40m

Los Angeles

Sat 11/14

5:10 pm-9:50 am

1 stop32h 40m

$522

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 month of January is another great option to travel to California, with average flight prices from London averaging around $662.

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

The cheapest day to depart from London to California is on a Thursday. Travelers who choose to depart for California on a Thursday will often find tickets for as low as $700. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to California on Sunday is $766.

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

The cheapest time of day to fly to California is at noon when flights can be purchased for as low as $725. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $734 on average. Flights to California from London in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest London to California flight route?

Fly from London Heathrow to San Francisco for the best London - California flight prices

How far in advance should I book a flight from London 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 $688 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 $632 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?

You could potentially save up to 19% 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	$447
Fastest flight time	10h 45m
Direct flights	Every day
Airports in California	418 airports

The best one-way flight to California from London in the past 72 hours is $447. The best round-trip flight deal from London to California found on momondo in the last 72 hours is $512.

The fastest flight from London to California takes 10h 45m

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

Frequently asked questions about flying from London to California

When did momondo last update prices for flights from London to California?
Prices for flights from London to California refresh daily.
How many operators does momondo search for flights from London to California?
The number of operators available for flights from London to California is 15 as of October 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to California is Boeing 787-9 Dreamliner (53.52% of total bookings). The next most popular plane models are Airbus A350-1000 (13.17%), Airbus A380-800 (10.20%), and Boeing 777 (6.60%).

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 $396	Free Cancellation	Rating 7.8 8,696 reviews	Search Delta flights
TAP AIR PORTUGAL	PriceFrom $449	Free Cancellation	Rating 7.2 2,388 reviews	Search TAP AIR PORTUGAL flights
Finnair	PriceFrom $487	Free Cancellation	Rating 7.6 1,417 reviews	Search Finnair flights
Lufthansa	PriceFrom $492	Free Cancellation	Rating 6.8 8,301 reviews	Search Lufthansa flights
United Airlines	PriceFrom $498	Free Cancellation	Rating 7.3 10,456 reviews	Search United Airlines flights
Austrian Airlines	PriceFrom $514	Free Cancellation	Rating 7.5 984 reviews	Search Austrian Airlines flights
Aer Lingus	PriceFrom $515	Free Cancellation	Rating 7.3 1,869 reviews	Search Aer Lingus flights
KLM	PriceFrom $519	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
British Airways	PriceFrom $527	Free Cancellation	Rating 6.7 8,277 reviews	Search British Airways flights
American Airlines	PriceFrom $528	Free Cancellation	Rating 7.0 12,220 reviews	Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to California from London.

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?

momondo provides multiple filters to help you find the best flight to California from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to California right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to California flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular cities in California

Flights to New Yorkfrom $64

Flights to Los Angelesfrom $38

Flights to Orlandofrom $48

Flights to Miamifrom $42

Flights to San Franciscofrom $38

Flights to Chicagofrom $58

Flights to Las Vegasfrom $38

Flights to Washington, D.C.from $43

Flights to Fort Lauderdalefrom $38

Flights to Bostonfrom $83

Flights to Atlantafrom $43

Flights to Dallasfrom $73

Cheap flights from London to California from $447

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 2/7. 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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TAP AIR PORTUGAL flights from London to California

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

Alaska Airlines flights from London to California

Our best Alaska 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?

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?

What is the cheapest London to California flight route?

How far in advance should I book a flight from London to California?

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

Can stopping save me money on London to California flights?

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

What airlines fly to California?

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

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

Cheap London to California flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in California

Frequently asked questions about flying 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?

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.

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

London flight routes

According to popular flight searches on momondo this year

California flight routes

According to popular flight searches on momondo this year

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