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

British Airways, Alaska Airlines, and United Airlines are the most popular carriers operating from London Heathrow 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 were last updated today.

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

₹ 44,669 Cheap Flights from London Heathrow Airport to California in 2026

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

658 flights are operational weekly from London Heathrow Airport to California as of September 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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

As of September 2026, there are 94 flights per day flying from London Heathrow Airport to California. The most common time of day flights depart is 10:00, with 53% of flights taking off in the afternoon.

Find the cheapest flights from London Heathrow Airport to California

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

11:15 - 18:40LHR London Heathrow-LAX Los Angeles Los Angeles

15h 25m1 stop Dublin

13:50 - 11:10LAX Los Angeles Los Angeles-LHR London Heathrow

13h 20m1 stop New York John F Kennedy Intl

₹ 52,114British Airways

Sun, 10 Jan - Fri, 22 Jan

09:30 - 20:47LHR London Heathrow-SFO San Francisco

19h 17m1 stop Montreal Pierre Elliott Trudeau Intl

19:45 - 14:10SFO San Francisco-LHR London Heathrow

10h 25mdirect

₹ 52,210United Airlines

Sat, 10 Oct - Sat, 17 Oct

13:05 - 16:25LHR London Heathrow-LAX Los Angeles Los Angeles

11h 20mdirect

12:30 - 07:10LAX Los Angeles Los Angeles-LHR London Heathrow

34h 40m1 stop Montreal Pierre Elliott Trudeau Intl

₹ 52,210United Airlines

Thu, 1 Oct - Fri, 20 Nov

09:30 - 20:47LHR London Heathrow-SFO San Francisco

19h 17m1 stop Montreal Pierre Elliott Trudeau Intl

16:45 - 11:10SFO San Francisco-LHR London Heathrow

10h 25mdirect

₹ 52,305United Airlines

Sat, 3 Oct - Mon, 5 Oct

14:30 - 11:40LHR London Heathrow-LAX Los Angeles Los Angeles

28h 10m1 stop Vancouver Intl

08:30 - 07:10LAX Los Angeles Los Angeles-LHR London Heathrow

14h 40m1 stop Montreal Pierre Elliott Trudeau Intl

₹ 52,305United Airlines

Mon, 26 Oct - Thu, 19 Nov

14:50 - 22:55LHR London Heathrow-SFO San Francisco

16h 05m2 stops Denver Intl Los Angeles Los Angeles

12:28 - 10:10SFO San Francisco-LHR London Heathrow

13h 42m1 stop Los Angeles Los Angeles

₹ 52,401United Airlines

Tue, 22 Sep - Wed, 7 Oct

10:35 - 19:18LHR London Heathrow-LAX Los Angeles Los Angeles

16h 43m1 stop San Francisco

10:50 - 10:40LAX Los Angeles Los Angeles-LHR London Heathrow

15h 50m1 stop Denver Intl

₹ 52,401United Airlines

Thu, 24 Sep - Sat, 24 Oct

10:45 - 17:33LHR London Heathrow-LAX Los Angeles Los Angeles

14h 48m1 stop Detroit Metropolitan Wayne County

13:30 - 12:05LAX Los Angeles Los Angeles-LHR London Heathrow

14h 35m1 stop New York John F Kennedy Intl

₹ 52,496Delta

Mon, 5 Oct - Mon, 19 Oct

13:05 - 22:52LHR London Heathrow-SFO San Francisco

17h 47m1 stop Los Angeles Los Angeles

16:45 - 11:10SFO San Francisco-LHR London Heathrow

10h 25mdirect

₹ 52,496United Airlines

Sun, 11 Oct - Sun, 18 Oct

14:30 - 22:31LHR London Heathrow-LAX Los Angeles Los Angeles

16h 01m1 stop Vancouver Intl

08:20 - 11:50LAX Los Angeles Los Angeles-LHR London Heathrow

19h 30m1 stop Vancouver Intl

₹ 52,591Air Canada

Thu, 7 Jan - Thu, 14 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

13:05 - 16:25LHR London Heathrow-LAX Los Angeles Los Angeles

11h 20mdirect

13:25 - 11:10LAX Los Angeles Los Angeles-LHR London Heathrow

13h 45m1 stop San Francisco

₹ 52,114United Airlines

Thu, 17 Sep - Wed, 30 Sep

15:00 - 22:55LHR London Heathrow-LAX Los Angeles Los Angeles

15h 55m1 stop Vancouver Intl

08:15 - 06:30LAX Los Angeles Los Angeles-LHR London Heathrow

14h 15m1 stop Montreal Pierre Elliott Trudeau Intl

₹ 52,210United Airlines

Thu, 17 Sep - Wed, 30 Sep

14:50 - 22:55LHR London Heathrow-SFO San Francisco

16h 05m2 stops Denver Intl Los Angeles Los Angeles

12:28 - 10:10SFO San Francisco-LHR London Heathrow

13h 42m1 stop Los Angeles Los Angeles

₹ 52,401United Airlines

Wed, 16 Sep - Thu, 1 Oct

11:25 - 20:08LHR London Heathrow-LAX Los Angeles Los Angeles

16h 43m2 stops Denver Intl Las Vegas Harry Reid Intl

16:15 - 12:35LAX Los Angeles Los Angeles-LHR London Heathrow

12h 20m1 stop Denver Intl

₹ 52,401United Airlines

Wed, 16 Sep - Wed, 23 Sep

09:45 - 16:15LHR London Heathrow-LAX Los Angeles Los Angeles

14h 30m1 stop Chicago O'Hare Intl

10:25 - 07:40LAX Los Angeles Los Angeles-LHR London Heathrow

13h 15m1 stop Chicago O'Hare Intl

₹ 52,496British Airways

Thu, 17 Sep - Wed, 30 Sep

11:25 - 17:29LHR London Heathrow-LAX Los Angeles Los Angeles

14h 04m1 stop Denver Intl

12:55 - 09:40LAX Los Angeles Los Angeles-LHR London Heathrow

12h 45m1 stop Denver Intl

₹ 52,591United Airlines

Thu, 17 Sep - Wed, 30 Sep

09:30 - 18:25LHR London Heathrow-LAX Los Angeles Los Angeles

16h 55m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

08:15 - 10:00LAX Los Angeles Los Angeles-LHR London Heathrow

17h 45m1 stop Montreal Pierre Elliott Trudeau Intl

₹ 52,878Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

08:55 - 18:40LHR London Heathrow-LAX Los Angeles Los Angeles

17h 45m1 stop Paris Charles de Gaulle

12:09 - 11:20LAX Los Angeles Los Angeles-LHR London Heathrow

15h 11m1 stop Seattle/Tacoma Intl

₹ 52,973Delta

Thu, 17 Sep - Sun, 20 Sep

17:55 - 21:05LHR London Heathrow-LAX Los Angeles Los Angeles

11h 10mdirect

20:35 - 15:00LAX Los Angeles Los Angeles-LHR London Heathrow

10h 25mdirect

₹ 54,023Delta

Mon, 14 Sep - Sun, 20 Sep

16:55 - 20:15LHR London Heathrow-LAX Los Angeles Los Angeles

11h 20mdirect

12:37 - 14:50LAX Los Angeles Los Angeles-LHR London Heathrow

18h 13m1 stop Las Vegas Harry Reid Intl

₹ 54,119British Airways

Wed, 16 Sep - Wed, 16 Dec

Cheap direct flights

Enter your travel dates to find the best prices.

12:30 - 15:50LHR London Heathrow-LAX Los Angeles Los Angeles

11h 20mdirect

18:00 - 12:30LAX Los Angeles Los Angeles-LHR London Heathrow

10h 30mdirect

₹ 52,687British Airways

Thu, 7 Jan - Thu, 14 Jan

10:05 - 13:20LHR London Heathrow-SFO San Francisco

11h 15mdirect

12:50 - 07:25SFO San Francisco-LHR London Heathrow

10h 35mdirect

₹ 52,782Lufthansa

Mon, 11 Jan - Tue, 26 Jan

15:20 - 18:45LHR London Heathrow-LAX Los Angeles Los Angeles

11h 25mdirect

18:55 - 13:30LAX Los Angeles Los Angeles-LHR London Heathrow

10h 35mdirect

₹ 52,782United Airlines

Thu, 4 Feb - Fri, 12 Feb

15:20 - 18:45LHR London Heathrow-LAX Los Angeles Los Angeles

11h 25mdirect

18:55 - 13:30LAX Los Angeles Los Angeles-LHR London Heathrow

10h 35mdirect

₹ 52,878United Airlines

Mon, 18 Jan - Tue, 16 Feb

11:45 - 14:55LHR London Heathrow-SFO San Francisco

11h 10mdirect

20:35 - 15:10SFO San Francisco-LHR London Heathrow

10h 35mdirect

₹ 52,878British Airways

Sun, 24 Jan - Sun, 7 Feb

16:55 - 20:10LHR London Heathrow-LAX Los Angeles Los Angeles

11h 15mdirect

15:30 - 10:00LAX Los Angeles Los Angeles-LHR London Heathrow

10h 30mdirect

₹ 54,023British Airways

Thu, 22 Oct - Tue, 10 Nov

11:45 - 14:55LHR London Heathrow-SFO San Francisco

11h 10mdirect

17:25 - 11:50SFO San Francisco-LHR London Heathrow

10h 25mdirect

₹ 54,119British Airways

Thu, 5 Nov - Wed, 18 Nov

16:55 - 20:10LHR London Heathrow-LAX Los Angeles Los Angeles

11h 15mdirect

18:30 - 13:05LAX Los Angeles Los Angeles-LHR London Heathrow

10h 35mdirect

₹ 54,119British Airways

Fri, 23 Oct - Tue, 3 Nov

10:55 - 14:10LHR London Heathrow-LAX Los Angeles Los Angeles

11h 15mdirect

17:10 - 11:35LAX Los Angeles Los Angeles-LHR London Heathrow

10h 25mdirect

₹ 54,978Delta

Mon, 1 Feb - Fri, 26 Feb

11:45 - 14:55LHR London Heathrow-SFO San Francisco

11h 10mdirect

17:25 - 11:50SFO San Francisco-LHR London Heathrow

10h 25mdirect

₹ 54,978British Airways

Sun, 10 Jan - Thu, 28 Jan

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Delta flights from London Heathrow Airport to California

Our best Delta deals on London Heathrow Airport to California flight tickets

Delta

17 Sept

LHR08:55London Heathrow

17h 45m

1 stop

LAX18:40Los Angeles Los Angeles

20 Sept

LAX12:09Los Angeles Los Angeles

15h 11m

1 stop

LHR11:20London Heathrow

₹ 52,973

Delta

18 Sept

LHR06:15London Heathrow

17h 50m

1 stop

LAX16:05Los Angeles Los Angeles

20 Sept

LAX22:45Los Angeles Los Angeles

13h 25m

1 stop

LHR20:10London Heathrow

₹ 53,069

Delta

14 Sept

LHR09:55London Heathrow

11h 15m

LAX13:10Los Angeles Los Angeles

26 Sept

LAX20:35Los Angeles Los Angeles

10h 25m

LHR15:00London Heathrow

₹ 54,023

Alaska Airlines flights from London Heathrow Airport to California

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

Alaska Airlines

12 Dec

LHR14:45London Heathrow

17h 11m

1 stop

LAX23:56Los Angeles Los Angeles

8 Jan

LAX13:53Los Angeles Los Angeles

14h 27m

1 stop

LHR12:20London Heathrow

₹ 55,168

Alaska Airlines

10 Oct

LHR17:00London Heathrow

14h 31m

1 stop

LAX23:31Los Angeles Los Angeles

12 Nov

LAX15:03Los Angeles Los Angeles

13h 17m

1 stop

LHR12:20London Heathrow

₹ 55,264

Alaska Airlines

10 Oct

LHR17:00London Heathrow

14h 31m

1 stop

LAX23:31Los Angeles Los Angeles

13 Nov

LAX15:03Los Angeles Los Angeles

13h 17m

1 stop

LHR12:20London Heathrow

₹ 55,359

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 return flight

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles Los Angeles

LHRLAX

London Heathrow

Sun 10/1

11:15-18:40

1 stop15h 25m

Los Angeles Los Angeles

Fri 22/1

13:50-11:10

1 stop13h 20m

₹ 52,114

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sat 10/10

09:30-20:47

1 stop19h 17m

San Francisco

Sat 17/10

19:45-14:10

Nonstop10h 25m

₹ 52,210

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles Los Angeles

LHRLAX

London Heathrow

Thu 1/10

13:05-16:25

Nonstop11h 20m

Los Angeles Los Angeles

Fri 20/11

12:30-07:10

1 stop34h 40m

₹ 52,210

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sat 3/10

09:30-20:47

1 stop19h 17m

San Francisco

Mon 5/10

16:45-11:10

Nonstop10h 25m

₹ 52,305

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles Los Angeles

LHRLAX

London Heathrow

Mon 26/10

14:30-11:40

1 stop28h 10m

Los Angeles Los Angeles

Thu 19/11

08:30-07:10

1 stop14h 40m

₹ 52,305

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Tue 22/9

14:50-22:55

2 stops16h 05m

San Francisco

Wed 7/10

12:28-10:10

1 stop13h 42m

₹ 52,400

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles Los Angeles

LHRLAX

London Heathrow

Thu 24/9

10:35-19:18

1 stop16h 43m

Los Angeles Los Angeles

Sat 24/10

10:50-10:40

1 stop15h 50m

₹ 52,400

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles Los Angeles

LHRLAX

London Heathrow

Mon 5/10

10:45-17:33

1 stop14h 48m

Los Angeles Los Angeles

Mon 19/10

13:30-12:05

1 stop14h 35m

₹ 52,496

Fastest return journey

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sun 11/10

13:05-22:52

1 stop17h 47m

San Francisco

Sun 18/10

16:45-11:10

Nonstop10h 25m

₹ 52,496

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles Los Angeles

LHRLAX

London Heathrow

Thu 7/1

14:30-22:31

1 stop16h 01m

Los Angeles Los Angeles

Thu 14/1

08:20-11:50

1 stop19h 30m

₹ 52,591

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 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 cheapest month to fly to California from London Heathrow Airport is in February. Flight prices, which tend to average around ₹ 58,605, are often lower during this time because this is during the off-season. The month of September is another great option to travel to California, with average flight prices from London Heathrow Airport averaging around ₹ 62,327.

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 when prices can be found for as low as ₹ 73,484. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around ₹ 87,260. These prices are subject to change though, so be sure to set up a Price Alert for flights to California.

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

At midday is the cheapest time of day to fly from London Heathrow Airport to California when you can find flight prices for as low as ₹ 69,381. Flying to California at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around ₹ 82,656. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 ₹ 70,289 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 Heathrow Airport for as low as ₹ 64,904 on momondo.

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

There are 3 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?

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

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	₹ 44,669
Fastest flight time	11h 10m
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 ₹ 44,669. The best return flight deal from London Heathrow Airport to California found on momondo in the last 72 hours is ₹ 52,114.

The fastest flight from London Heathrow Airport to California takes 11h 10m

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 were last updated today.
How old do you have to be to fly from London Heathrow Airport 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 Heathrow Airport 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 Heathrow Airport to California?
Based on momondo bookings for flights between London Heathrow Airport and California, the leading plane model is Boeing 787-9 Dreamliner, making up 54.04% of the total bookings. Other popular models include Airbus A350-1000 with 13.24%, Airbus A380-800 with 12.01%, and Boeing 777 with 6.88%.

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?

momondo does allow users to show only those flights to California from London which offer a flexible booking policy as well as other useful filters and features.

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?

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.