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

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

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

542 flights are operational weekly from London to California as of November 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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

As of November 2026, 77 flights take off from London and land in California each day. The most common flight departure time for this route is 11:00, with 57% of daily flights taking off in the afternoon.

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

Prices for flights from London to California refresh daily.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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.

₹ 46,261 Cheap Flights from London to California in 2026/27

Find the cheapest flights from London to California

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 15:15LHR London Heathrow-LAX Los Angeles

17h 15m1 stop Lisbon Humberto Delgado

17:10 - 21:35LAX Los Angeles-LHR London Heathrow

20h 25m1 stop Lisbon Humberto Delgado

₹ 50,527TAP AIR PORTUGAL

Tue, 17 Nov - Tue, 24 Nov

06:00 - 15:15LHR London Heathrow-LAX Los Angeles

17h 15m1 stop Lisbon Humberto Delgado

17:10 - 17:30LAX Los Angeles-LHR London Heathrow

16h 20m1 stop Lisbon Humberto Delgado

₹ 51,854TAP AIR PORTUGAL

Tue, 17 Nov - Tue, 24 Nov

14:45 - 23:44LHR London Heathrow-LAX Los Angeles

16h 59m1 stop Seattle/Tacoma Intl

08:05 - 12:20LAX Los Angeles-LHR London Heathrow

20h 15m1 stop Seattle/Tacoma Intl

₹ 54,129Alaska Airlines

Sat, 14 Nov - Mon, 23 Nov

14:45 - 21:43LHR London Heathrow-SFO San Francisco

14h 58m1 stop Seattle/Tacoma Intl

10:45 - 12:20SFO San Francisco-LHR London Heathrow

17h 35m1 stop Seattle/Tacoma Intl

₹ 54,224Alaska Airlines

Fri, 13 Nov - Sat, 5 Dec

14:45 - 23:44LHR London Heathrow-LAX Los Angeles

16h 59m1 stop Seattle/Tacoma Intl

13:35 - 12:20LAX Los Angeles-LHR London Heathrow

14h 45m1 stop Seattle/Tacoma Intl

₹ 54,224Alaska Airlines

Sat, 14 Nov - Wed, 2 Dec

14:45 - 20:52LHR London Heathrow-SFO San Francisco

14h 07m1 stop Seattle/Tacoma Intl

10:25 - 12:20SFO San Francisco-LHR London Heathrow

17h 55m1 stop Seattle/Tacoma Intl

₹ 54,319Alaska Airlines

Mon, 7 Dec - Sun, 10 Jan

14:45 - 23:44LHR London Heathrow-LAX Los Angeles

16h 59m1 stop Seattle/Tacoma Intl

10:00 - 12:20LAX Los Angeles-LHR London Heathrow

18h 20m1 stop Seattle/Tacoma Intl

₹ 54,319Alaska Airlines

Fri, 13 Nov - Mon, 16 Nov

14:45 - 22:45LHR London Heathrow-SFO San Francisco

16h 00m1 stop Seattle/Tacoma Intl

12:39 - 12:20SFO San Francisco-LHR London Heathrow

15h 41m1 stop Seattle/Tacoma Intl

₹ 54,413Alaska Airlines

Thu, 19 Nov - Mon, 7 Dec

14:45 - 23:44LHR London Heathrow-LAX Los Angeles

16h 59m1 stop Seattle/Tacoma Intl

14:05 - 12:20LAX Los Angeles-LHR London Heathrow

14h 15m1 stop Seattle/Tacoma Intl

₹ 54,413Alaska Airlines

Fri, 13 Nov - Wed, 25 Nov

14:45 - 20:43LHR London Heathrow-SFO San Francisco

13h 58m1 stop Seattle/Tacoma Intl

06:00 - 12:20SFO San Francisco-LHR London Heathrow

22h 20m1 stop Seattle/Tacoma Intl

₹ 54,508Alaska Airlines

Fri, 20 Nov - Tue, 24 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

06:00 - 15:15LHR London Heathrow-LAX Los Angeles

17h 15m1 stop Lisbon Humberto Delgado

17:10 - 18:55LAX Los Angeles-LHR London Heathrow

17h 45m1 stop Lisbon Humberto Delgado

₹ 50,242TAP AIR PORTUGAL

Thu, 5 Nov - Thu, 12 Nov

14:45 - 23:44LHR London Heathrow-LAX Los Angeles

16h 59m1 stop Seattle/Tacoma Intl

08:00 - 12:20LAX Los Angeles-LHR London Heathrow

20h 20m1 stop Seattle/Tacoma Intl

₹ 54,129Alaska Airlines

Mon, 9 Nov - Tue, 17 Nov

14:45 - 22:45LHR London Heathrow-SFO San Francisco

16h 00m1 stop Seattle/Tacoma Intl

09:45 - 12:20SFO San Francisco-LHR London Heathrow

18h 35m1 stop Seattle/Tacoma Intl

₹ 54,224Alaska Airlines

Mon, 9 Nov - Sat, 5 Dec

14:45 - 23:44LHR London Heathrow-LAX Los Angeles

16h 59m1 stop Seattle/Tacoma Intl

12:30 - 12:20LAX Los Angeles-LHR London Heathrow

15h 50m1 stop Seattle/Tacoma Intl

₹ 54,224Alaska Airlines

Mon, 9 Nov - Sun, 6 Dec

14:45 - 20:47LHR London Heathrow-SFO San Francisco

14h 02m1 stop Seattle/Tacoma Intl

06:00 - 12:20SFO San Francisco-LHR London Heathrow

22h 20m1 stop Seattle/Tacoma Intl

₹ 54,319Alaska Airlines

Mon, 9 Nov - Thu, 26 Nov

14:45 - 23:44LHR London Heathrow-LAX Los Angeles

16h 59m1 stop Seattle/Tacoma Intl

12:05 - 12:20LAX Los Angeles-LHR London Heathrow

16h 15m1 stop Seattle/Tacoma Intl

₹ 54,319Alaska Airlines

Sat, 7 Nov - Sat, 14 Nov

14:45 - 21:43LHR London Heathrow-SFO San Francisco

14h 58m1 stop Seattle/Tacoma Intl

12:13 - 12:20SFO San Francisco-LHR London Heathrow

16h 07m1 stop Seattle/Tacoma Intl

₹ 54,413Alaska Airlines

Mon, 9 Nov - Tue, 17 Nov

14:45 - 23:44LHR London Heathrow-LAX Los Angeles

16h 59m1 stop Seattle/Tacoma Intl

08:00 - 12:20LAX Los Angeles-LHR London Heathrow

20h 20m1 stop Seattle/Tacoma Intl

₹ 54,413Alaska Airlines

Mon, 9 Nov - Tue, 17 Nov

14:45 - 23:44LHR London Heathrow-LAX Los Angeles

16h 59m1 stop Seattle/Tacoma Intl

14:05 - 12:20LAX Los Angeles-LHR London Heathrow

14h 15m1 stop Seattle/Tacoma Intl

₹ 54,508Alaska Airlines

Sun, 8 Nov - Thu, 26 Nov

14:45 - 21:43LHR London Heathrow-SFO San Francisco

14h 58m1 stop Seattle/Tacoma Intl

15:08 - 12:20SFO San Francisco-LHR London Heathrow

13h 12m1 stop Seattle/Tacoma Intl

₹ 54,982Alaska Airlines

Mon, 9 Nov - Tue, 17 Nov

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customie your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

SWISS flights from London to California

Our best SWISS deals on London to California flight tickets

SWISS

10 Dec

LHR06:00London Heathrow

18h 35m

1 stop

LAX16:35Los Angeles

10 May

LAX19:35Los Angeles

15h 45m

1 stop

LHR19:20London Heathrow

₹ 61,239

SWISS

1 Dec

LHR20:05London Heathrow

28h 25m

1 stop

SFO16:30San Francisco

8 Dec

SFO19:25San Francisco

14h 25m

1 stop

LHR17:50London Heathrow

₹ 61,618

SWISS

21 Jan

LHR18:40London Heathrow

29h 55m

1 stop

LAX16:35Los Angeles

26 Jan

LAX12:00Los Angeles

20h 20m

2 stops

LHR16:20London Heathrow

₹ 61,997

Alaska Airlines flights from London to California

Our best Alaska Airlines deals on London to California flight tickets

Alaska Airlines

10 Nov

LHR14:45London Heathrow

15h 57m

1 stop

LAX22:42Los Angeles

15 Nov

LAX06:00Los Angeles

22h 20m

1 stop

LHR12:20London Heathrow

₹ 54,129

Alaska Airlines

14 Nov

LHR14:45London Heathrow

16h 59m

1 stop

LAX23:44Los Angeles

2 Dec

LAX13:35Los Angeles

14h 45m

1 stop

LHR12:20London Heathrow

₹ 54,224

Alaska Airlines

7 Nov

LHR14:45London Heathrow

16h 59m

1 stop

LAX23:44Los Angeles

14 Nov

LAX12:05Los Angeles

16h 15m

1 stop

LHR12:20London Heathrow

₹ 54,319

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Tue 17/11

06:00-15:15

1 stop17h 15m

Los Angeles

Tue 24/11

17:10-21:35

1 stop20h 25m

₹ 50,527

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Tue 17/11

06:00-15:15

1 stop17h 15m

Los Angeles

Tue 24/11

17:10-17:30

1 stop16h 20m

₹ 51,854

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Sat 14/11

14:45-23:44

1 stop16h 59m

Los Angeles

Mon 23/11

08:05-12:20

1 stop20h 15m

₹ 54,129

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Fri 13/11

14:45-21:43

1 stop14h 58m

San Francisco

Sat 5/12

10:45-12:20

1 stop17h 35m

₹ 54,224

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Sat 14/11

14:45-23:44

1 stop16h 59m

Los Angeles

Wed 2/12

13:35-12:20

1 stop14h 45m

₹ 54,224

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Mon 7/12

14:45-20:52

1 stop14h 07m

San Francisco

Sun 10/1

10:25-12:20

1 stop17h 55m

₹ 54,319

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Fri 13/11

14:45-23:44

1 stop16h 59m

Los Angeles

Mon 16/11

10:00-12:20

1 stop18h 20m

₹ 54,319

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Thu 19/11

14:45-22:45

1 stop16h 00m

San Francisco

Mon 7/12

12:39-12:20

1 stop15h 41m

₹ 54,413

Fastest return journey

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Fri 13/11

14:45-23:44

1 stop16h 59m

Los Angeles

Wed 25/11

14:05-12:20

1 stop14h 15m

₹ 54,413

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Fri 20/11

14:45-20:43

1 stop13h 58m

San Francisco

Tue 24/11

06:00-12:20

1 stop22h 20m

₹ 54,508

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?

The cheapest month to fly to California from London is in February. Flight prices, which tend to average around ₹ 57,068, are often lower during this time because this is during the off-season. The month of January is another great option to travel to California, with average flight prices from London averaging around ₹ 62,755.

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 when prices can be found for as low as ₹ 72,983. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around ₹ 86,665. 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 to California when you can find flight prices for as low as ₹ 68,908. Flying to California at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around ₹ 78,043. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to California flight route?

Fly from London Heathrow to Los Angeles 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 ₹ 70,062 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 ₹ 64,083 on momondo.

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

There are 3 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	₹ 46,261
Fastest flight time	11h 15m
Direct flights	Every day
Airports in California	418 airports

The best one-way flight to California from London in the past 72 hours is ₹ 46,261. The best return flight deal from London to California found on momondo in the last 72 hours is ₹ 50,527.

The fastest flight from London to California takes 11h 15m

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 old do you have to be to fly from London to California?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 (51.14% of total bookings). The next most popular plane models are Airbus A350-1000 (16.75%), Airbus A380-800 (9.85%), and Boeing 777 (6.31%).

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?

All flight searches from London to California on momondo can be filtered to show those which offer flexible booking policies.

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?

Yes. momondo can track prices for London to California flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.