What airlines fly to California?

British Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to California from London Heathrow Airport 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.

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

United Airlines, Alaska Airlines, and Austrian Airlines are the most popular carriers operating from London Heathrow to California

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

There are 15 operators available for flights from London Heathrow Airport to California as of October 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport 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 Heathrow Airport to California in 2026/27

Q: How many flights depart from London Heathrow Airport to California on average per week?

The number of flights available between London Heathrow Airport and California is 333 per week as of October 2026. The most frequent departure day is Wed, with 27% of weekly flights leaving on this day.

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Find the cheapest flights from London Heathrow Airport to California

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Cheap round-trip flights

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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

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

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

3:10 pm - 6:35 pmLHR London Heathrow-LAX Los Angeles

11h 25mnonstop

8:40 pm - 3:15 pmLAX Los Angeles-LHR London Heathrow

10h 35mnonstop

$525British Airways

Mon, Feb 15 - Sun, Feb 21

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

11h 10mnonstop

8:35 pm - 3:10 pmSFO San Francisco-LHR London Heathrow

10h 35mnonstop

$525British Airways

Fri, Jan 22 - Sat, Jan 30

1:00 pm - 9:33 pmLHR London Heathrow-SFO San Francisco

16h 33m1 stop Montreal Pierre Elliott Trudeau Intl

8:25 am - 6:30 amSFO San Francisco-LHR London Heathrow

14h 05m1 stop Toronto Pearson Intl

$526Air Canada

Sun, Dec 6 - Sun, Dec 13

9:00 am - 4:30 pmLHR London Heathrow-SFO San Francisco

15h 30m1 stop Zurich

7:25 pm - 5:50 pmSFO San Francisco-LHR London Heathrow

14h 25m1 stop Zurich

$574SWISS

Mon, Nov 23 - Wed, Dec 9

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 - 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

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

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 Heathrow Airport to California

Our best TAP AIR PORTUGAL deals on London Heathrow Airport 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

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

TAP AIR PORTUGAL

Nov 9

LHR1:40 pmLondon Heathrow

33h 35m

1 stop

LAX3:15 pmLos Angeles

Nov 14

LAX5:10 pmLos Angeles

21h 30m

1 stop

LHR10:40 pmLondon Heathrow

$521

Alaska Airlines flights from London Heathrow Airport to California

Our best Alaska Airlines deals on London Heathrow Airport 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

Feb 16

LHR2:45 pmLondon Heathrow

17h 14m

1 stop

LAX11:59 pmLos Angeles

Feb 24

LAX11:55 amLos Angeles

16h 25m

1 stop

LHR12:20 pmLondon Heathrow

$555

Alaska Airlines

Nov 11

LHR2:45 pmLondon Heathrow

30h 17m

1 stop

LAX1:02 pmLos Angeles

Nov 25

LAX8:05 amLos Angeles

20h 15m

1 stop

LHR12:20 pmLondon Heathrow

$557

momondo Fare Finder

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

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

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

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

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Mon 2/15

3:10 pm-6:35 pm

Nonstop11h 25m

Los Angeles

Sun 2/21

8:40 pm-3:15 pm

Nonstop10h 35m

$525

Quickest round-trip

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Fri 1/22

11:45 am-2:55 pm

Nonstop11h 10m

San Francisco

Sat 1/30

8:35 pm-3:10 pm

Nonstop10h 35m

$525

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sun 12/6

1:00 pm-9:33 pm

1 stop16h 33m

San Francisco

Sun 12/13

8:25 am-6:30 am

1 stop14h 05m

$526

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Mon 11/23

9:00 am-4:30 pm

1 stop15h 30m

San Francisco

Wed 12/9

7:25 pm-5:50 pm

1 stop14h 25m

$574

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 Heathrow Airport 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 September is another great option to travel to California, with average flight prices from London Heathrow Airport averaging around $668.

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

The cheapest day to depart from London Heathrow Airport 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 Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest London Heathrow to California flight route?

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

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

You are more likely to see cheaper flights to California from London Heathrow Airport 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 Heathrow Airport for as low as $632 on momondo.

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

There are 4 cabin classes available to choose from on London Heathrow Airport 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 Heathrow Airport to California flights?

You could potentially save up to 31% on your flight if you consider stops on a London Heathrow Airport to California flight.

Cheap London Heathrow Airport to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport 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 Heathrow Airport in the past 72 hours is $447. The best round-trip flight deal from London Heathrow Airport to California found on momondo in the last 72 hours is $512.

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

Direct flights go from London Heathrow Airport to California every day.

There are 418 airports in California. From London Heathrow Airport there are direct flights to San Francisco (SFO).

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to California

When did momondo last update prices for flights from London Heathrow Airport to California?
Prices for flights from London Heathrow Airport to California refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to California?
There are 15 operators available for flights from London Heathrow Airport to California as of October 2026.
How old do you have to be to fly from London Heathrow Airport to California?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport 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 Heathrow Airport to California?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to California is Boeing 787-9 Dreamliner, representing 53.51% of all bookings. The subsequent popular models are Airbus A350-1000 at 13.14%, Airbus A380-800 at 10.19%, and Boeing 777 at 6.61%.

Best airlines flying from London Heathrow Airport to California

Compare and see reviews for airlines that fly from London Heathrow Airport 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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to California. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to California from London with this policy.

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?

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.

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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 Heathrow Airport to California from $447

Find the cheapest flights from London Heathrow Airport to California

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TAP AIR PORTUGAL flights from London Heathrow Airport to California

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

Alaska Airlines flights from London Heathrow Airport to California

Our best Alaska Airlines deals on London Heathrow Airport to California flight tickets

momondo Fare Finder

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

See travel insights to California from

How to get the cheapest flight ticket from London Heathrow Airport 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 Heathrow to California flight route?

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

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

Can stopping save me money on London Heathrow Airport to California flights?

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

What airlines fly to California?

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

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

Cheap London Heathrow Airport to California flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in California

Frequently asked questions about flying from London Heathrow Airport to California

Best airlines flying from London Heathrow Airport to California

Compare and see reviews for airlines that fly from London Heathrow Airport 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 Heathrow Airport flight routes

According to popular flight searches on momondo this year

California flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to California

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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According to popular flight searches on momondo this year