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

TAP AIR PORTUGAL and Norse Atlantic UK are the most popular carriers operating from California to London

Which airlines fly to London?

Virgin Atlantic, British Airways and United Airlines are the top three most popular airlines that fly to London from California according to our data. Virgin Atlantic is the first choice among our users, with 42% of people opting to fly with this airline when travelling to London. Keep in mind that there are 14 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

103 flights are operational daily from California to London as of September 2025. The most popular departure time for this route is 16:00, with 56% of flights per day taking off in the afternoon.

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

As of September 2025, there are 726 flights per week flying from California to London. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

How long does it take to fly to London?

Flight times from California to London vary, but if you’re flying out of San Francisco and flying into London Heathrow Airport (one of the most popular routes), then the duration is 10h 10m on average. Another popular route from California to London is flying from Los Angeles to London Heathrow Airport, which will take roughly 10h 30m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from California to London refresh daily.

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

As of September 2025, there are 14 operators available to choose from for flights from California to London.

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

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 California to London.

What documentation or ID do you need to fly to London?

The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£132 Cheap Flights from California to London in 2025/26

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Find the cheapest flights from California to London

Round-trip

One-way

Last minute

Direct

Cheap return flights

17:45 - 09:50LAX-LGW

33h 05m1 stop

16:40 - 15:00LGW-LAX

30h 20m1 stop

£375TAP AIR PORTUGAL

Find Deal

Tue, 28 Oct - Fri, 7 Nov

17:45 - 11:25LAX-LHR

34h 40m1 stop

06:00 - 15:00LHR-LAX

17h 00m1 stop

£377TAP AIR PORTUGAL

Find Deal

Tue, 28 Oct - Tue, 18 Nov

14:30 - 12:45LAX-LGW

38h 15m1 stop

16:35 - 20:25LGW-LAX

35h 50m1 stop

£378Multiple Airlines

Find Deal

Mon, 17 Nov - Fri, 21 Nov

13:00 - 22:30LAX-LGW

25h 30m1 stop

06:45 - 10:55LGW-LAX

36h 10m1 stop

£379Multiple Airlines

Find Deal

Thu, 6 Nov - Wed, 12 Nov

16:30 - 10:55LAX-LGW

10h 25mdirect

10:55 - 14:10LGW-LAX

11h 15mdirect

£380Norse Atlantic UK

Find Deal

Wed, 8 Oct - Wed, 15 Oct

19:30 - 16:25LAX-LHR

36h 55m2 stops

06:40 - 17:00LHR-LAX

18h 20m2 stops

£381Scandinavian Airlines

Find Deal

Thu, 4 Dec - Sun, 7 Dec

16:30 - 10:55LAX-LGW

10h 25mdirect

10:55 - 14:10LGW-LAX

11h 15mdirect

£384Norse Atlantic UK

Find Deal

Wed, 8 Oct - Wed, 15 Oct

19:30 - 09:20LAX-LHR

29h 50m1 stop

06:40 - 17:00LHR-LAX

18h 20m2 stops

£387Scandinavian Airlines

Find Deal

Thu, 4 Dec - Sun, 7 Dec

17:30 - 15:50LAX-LHR

14h 20m1 stop

07:40 - 15:15LHR-LAX

15h 35m1 stop

£404Lufthansa

Find Deal

Wed, 12 Nov - Wed, 19 Nov

17:15 - 15:40SAN-LHR

14h 25m1 stop

07:40 - 15:45LHR-SAN

16h 05m1 stop

£482Lufthansa

Find Deal

Tue, 21 Oct - Tue, 4 Nov

United Airlines flights from California to London

Our best United Airlines deals on California to London flight tickets

United Airlines

28 Sept

SFO16:05San Francisco

10h 20m

LHR10:25London Heathrow

14 Oct

LHR06:30London Heathrow

14h 10m

1 stop

SFO12:40San Francisco

£438

Find similar

United Airlines

1 Oct

SFO16:05San Francisco

10h 20m

LHR10:25London Heathrow

29 Oct

LHR13:45London Heathrow

34h 45m

1 stop

SFO17:30San Francisco

£460

Find similar

United Airlines

6 Oct

SFO13:05San Francisco

10h 20m

LHR07:25London Heathrow

21 Oct

LHR06:55London Heathrow

15h 35m

1 stop

SFO14:30San Francisco

£462

Find similar

Virgin Atlantic flights from California to London

Our best Virgin Atlantic deals on California to London flight tickets

Virgin Atlantic

28 Sept

SFO21:20San Francisco

10h 20m

LHR15:40London Heathrow

14 Oct

LHR16:25London Heathrow

11h 05m

SFO19:30San Francisco

£457

Find similar

Virgin Atlantic

7 Oct

SFO13:45San Francisco

19h 35m

1 stop

LCY17:20London City

20 Oct

LCY20:10London City

23h 35m

1 stop

SFO11:45San Francisco

£511

Find similar

Virgin Atlantic

20 Oct

ONT11:36Ontario

17h 54m

1 stop

LHR13:30London Heathrow

27 Oct

LHR14:45London Heathrow

14h 56m

1 stop

ONT22:41Ontario

£513

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Tue 28/10

17:45-09:50

1 stop33h 05m

London Gatwick

Fri 7/11

16:40-15:00

1 stop30h 20m

£375

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 28/10

17:45-11:25

1 stop34h 40m

London Heathrow

Tue 18/11

06:00-15:00

1 stop17h 00m

£377

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Mon 17/11

14:30-12:45

1 stop38h 15m

London Gatwick

Fri 21/11

16:35-20:25

1 stop35h 50m

£378

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Thu 6/11

13:00-22:30

1 stop25h 30m

London Gatwick

Wed 12/11

06:45-10:55

1 stop36h 10m

£379

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Wed 8/10

16:30-10:55

Nonstop10h 25m

London Gatwick

Wed 15/10

10:55-14:10

Nonstop11h 15m

£380

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 4/12

19:30-16:25

2 stops36h 55m

London Heathrow

Sun 7/12

06:40-17:00

2 stops18h 20m

£381

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Wed 8/10

16:30-10:55

Nonstop10h 25m

London Gatwick

Wed 15/10

10:55-14:10

Nonstop11h 15m

£384

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 4/12

19:30-09:20

1 stop29h 50m

London Heathrow

Sun 7/12

06:40-17:00

2 stops18h 20m

£387

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 12/11

17:30-15:50

1 stop14h 20m

London Heathrow

Wed 19/11

07:40-15:15

1 stop15h 35m

£404

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 21/10

17:15-15:40

1 stop14h 25m

London Heathrow

Tue 4/11

07:40-15:45

1 stop16h 05m

£482

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 California to London

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 London?

The cheapest month to fly to London from California is in September. Flight prices, which tend to average around £449, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from California averaging around £454.

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

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £511. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from California to London for around £580.

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

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £521. Flights at midday are often more expensive, with an average ticket price of £652.

What is the cheapest California to London flight route?

Fly from Los Angeles to London Gatwick for the best California - London flight prices

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

You are more likely to see cheaper flights to London from California when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £576 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from California for as low as £535 on momondo.

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

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

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

Cheap California to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to London

Best price found	£155
Fastest flight time	10h 10m
Direct flights	Every day
Airports in London	2 airports

The best one-way flight to London from California in the past 72 hours is £155. The best return flight deal from California to London found on momondo in the last 72 hours is £179.

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

Direct flights go from California to London every day.

There are 2 airports near London: London Heathrow (LHR), London Gatwick (LGW)

Search flight deals

When did momondo last update prices for flights from California to London?
Prices for flights from California to London refresh daily.
How many operators does momondo search for flights from California to London?
As of September 2025, there are 14 operators available to choose from for flights from California to London.
How old do you have to be to fly from California to London?
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 California to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from California to London?
momondo data reveals that the most frequently booked plane model on the route from California to London is Boeing 787-9 Dreamliner, representing 20.78% of all bookings. The subsequent popular models are Boeing 777-300ER at 18.86%, Airbus A380-800 at 12.90%, and Boeing 777 at 12.70%.

Best airlines flying from California to London

Compare and see reviews for airlines that fly from California to London with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom £303	Free Cancellation	Rating 7.4 1,491 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom £318	Free Cancellation	Rating 6.8 7,421 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom £367	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights
KLM	PriceFrom £368	Free Cancellation	Rating 7.8 1,387 reviews	Search KLM flights
Norse Atlantic UK	PriceFrom £371	Free Cancellation	Rating 7.1 49 reviews	Search Norse Atlantic UK flights
Aer Lingus	PriceFrom £375	Free Cancellation	Rating 7.2 1,295 reviews	Search Aer Lingus flights
British Airways	PriceFrom £385	Free Cancellation	Rating 6.7 7,386 reviews	Search British Airways flights
TAP AIR PORTUGAL	PriceFrom £390	Free Cancellation	Rating 7.1 1,985 reviews	Search TAP AIR PORTUGAL flights
Air France	PriceFrom £392	Free Cancellation	Rating 7.4 1,467 reviews	Search Air France flights
United Airlines	PriceFrom £394	Free Cancellation	Rating 7.4 8,922 reviews	Search United Airlines flights

Eastbourne

Luton

Milton Keynes

Maidstone

Gatwick

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Worthing

Chelmsford

Dover

Hayes

Dartford

Winchester

Hounslow

Stansted

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for California to London flights to just show those with flexible booking policies.

How can momondo help me find flights from California to London?

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

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

Yes. momondo can track prices for California to London 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.

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Flights to Manchesterfrom £30

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Flights to Bristolfrom £46

Flights to Newcastle upon Tynefrom £32

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Flights to Liverpoolfrom £30

Flights to Leedsfrom £60

Flights to Invernessfrom £37

Flights to Newquayfrom £34

Cheap flights from California to London from £132

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to London departing on 19/10. 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

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Filter for what you want

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Find the cheapest flights from California to London

Cheap return flights

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United Airlines flights from California to London

Our best United Airlines deals on California to London flight tickets

Virgin Atlantic flights from California to London

Our best Virgin Atlantic deals on California to London flight tickets

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

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How to get the cheapest flight ticket from California to London

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 London?

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

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £511. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from California to London for around £580.

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

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £521. Flights at midday are often more expensive, with an average ticket price of £652.

What is the cheapest California to London flight route?

Fly from Los Angeles to London Gatwick for the best California - London flight prices

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

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

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

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

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

TAP AIR PORTUGAL and Norse Atlantic UK are the most popular carriers operating from California to London

Which airlines fly to London?

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

103 flights are operational daily from California to London as of September 2025. The most popular departure time for this route is 16:00, with 56% of flights per day taking off in the afternoon.

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

As of September 2025, there are 726 flights per week flying from California to London. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

How long does it take to fly to London?

Cheap California to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to London

Best price found

Fastest flight time

Direct flights

Airports in London

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

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

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

What documentation or ID do you need to fly to London?

What is the most popular plane model from California to London?

Best airlines flying from California to London

Compare and see reviews for airlines that fly from California to London with momondo

Travelling to a place near London?

Why use momondo?

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

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

How can momondo help me find flights from California to London?

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

An easier way to manage your London 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 the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London