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

As of February 2026, 88 flights take off from California and land in London Heathrow Airport each day. The most common flight departure time for this route is 5:00PM, with 56% of daily flights taking off in the afternoon.

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

As of February 2026, there are 619 flights per week flying from California to London Heathrow Airport. The most common day of the week flights depart is Thu, with 15% of flights taking off on this day.

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

United Airlines, Air Canada, and Delta are the most popular carriers operating from California to London Heathrow

What airlines fly to London Heathrow Airport?

British Airways, United Airlines and Virgin Atlantic are the top three most popular airlines that fly to London Heathrow Airport from California according to our data. British Airways is the first choice among our users, with 41% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 20 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to London Heathrow Airport?

On average, it takes 10h 10m to fly from California to London Heathrow Airport if you fly out of San Francisco (the most popular airport in California) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Los Angeles and into London Heathrow Airport, then the flight time is around 10h 20m.

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

There are 20 operators available for flights from California to London Heathrow Airport as of February 2026.

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

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 Heathrow Airport.

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

The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$219 Cheap Flights from California to London Heathrow Airport in 2026

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 pm - 3:50 pm

LAX

LHR

14h 20m

1 stop

7:40 am - 4:15 pm

LHR

LAX

15h 35m

1 stop

$595Lufthansa

Mon, Mar 9 - Mon, Mar 16

7:25 pm - 5:50 pm

SFO

LHR

14h 25m

1 stop

9:00 am - 4:30 pm

LHR

SFO

15h 30m

1 stop

$595SWISS

Sun, Feb 8 - Tue, Feb 24

4:35 pm - 10:55 am

LAX

LHR

10h 20mnonstop

6:30 am - 12:45 pm

LHR

LAX

13h 15m

1 stop

$596Virgin Atlantic

Wed, Mar 4 - Wed, Mar 11

9:25 pm - 7:35 pm

SFO

LHR

14h 10m

1 stop

9:00 am - 4:30 pm

LHR

SFO

15h 30m

1 stop

$596Multiple Airlines

Wed, Feb 11 - Wed, Feb 18

4:30 pm - 10:50 am

SFO

LHR

10h 20mnonstop

6:30 am - 11:50 am

LHR

SFO

13h 20m

1 stop

$597Virgin Atlantic

Sun, Feb 8 - Tue, Feb 24

4:40 pm - 10:00 pm

LAX

LHR

21h 20m

1 stop

7:50 pm - 1:55 pm

LHR

LAX

26h 05m

1 stop

$597TAP AIR PORTUGAL

Fri, May 8 - Sat, May 23

7:10 pm - 5:50 pm

LAX

LHR

14h 40m

1 stop

7:40 am - 3:15 pm

LHR

LAX

15h 35m

1 stop

$598Multiple Airlines

Thu, Mar 5 - Sun, Mar 8

4:30 pm - 10:50 am

SFO

LHR

10h 20mnonstop

11:40 am - 2:40 pm

LHR

SFO

11h 00mnonstop

$598Virgin Atlantic

Sun, Feb 8 - Tue, Feb 24

7:30 pm - 5:40 pm

LAX

LHR

14h 10m

1 stop

9:05 pm - 5:00 pm

LHR

LAX

27h 55m

2 stops

$601Scandinavian Airlines

Tue, Feb 24 - Wed, Mar 4

7:30 pm - 6:30 pm

LAX

LHR

15h 00m

1 stop

9:05 pm - 5:00 pm

LHR

LAX

27h 55m

2 stops

$603Scandinavian Airlines

Wed, Feb 18 - Tue, Mar 3

United Airlines flights from California to London Heathrow Airport

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

United Airlines

May 13

RNO9:16 amReno

16h 24m

1 stop

LHR9:40 amLondon Heathrow

May 15

LHR8:40 amLondon Heathrow

38h 34m

2 stops

RNO3:14 pmReno

$538

United Airlines

May 13

RNO5:30 amReno

20h 30m

2 stops

LHR10:00 amLondon Heathrow

May 15

LHR8:40 amLondon Heathrow

38h 34m

2 stops

RNO3:14 pmReno

$542

United Airlines

Feb 11

SFO5:25 pmSan Francisco

10h 35m

LHR12:00 pmLondon Heathrow

Feb 18

LHR11:10 amLondon Heathrow

16h 25m

1 stop

SFO7:35 pmSan Francisco

$620

Scandinavian Airlines flights from California to London Heathrow Airport

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

Scandinavian Airlines

Feb 24

LAX7:30 pmLos Angeles

14h 10m

1 stop

LHR5:40 pmLondon Heathrow

Mar 4

LHR9:05 pmLondon Heathrow

27h 55m

2 stops

LAX5:00 pmLos Angeles

$601

Scandinavian Airlines

Feb 18

LAX7:30 pmLos Angeles

15h 00m

1 stop

LHR6:30 pmLondon Heathrow

Mar 3

LHR9:05 pmLondon Heathrow

27h 55m

2 stops

LAX5:00 pmLos Angeles

$603

Scandinavian Airlines

Mar 10

SFO5:40 pmSan Francisco

37h 55m

2 stops

LHR2:35 pmLondon Heathrow

Mar 20

LHR6:40 amLondon Heathrow

15h 55m

1 stop

SFO3:35 pmSan Francisco

$604

momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 3/9

6:30 pm-3:50 pm

1 stop14h 20m

London Heathrow

Mon 3/16

7:40 am-4:15 pm

1 stop15h 35m

$595

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 2/8

7:25 pm-5:50 pm

1 stop14h 25m

London Heathrow

Tue 2/24

9:00 am-4:30 pm

1 stop15h 30m

$595

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 3/4

4:35 pm-10:55 am

Nonstop10h 20m

London Heathrow

Wed 3/11

6:30 am-12:45 pm

1 stop13h 15m

$596

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 2/11

9:25 pm-7:35 pm

1 stop14h 10m

London Heathrow

Wed 2/18

9:00 am-4:30 pm

1 stop15h 30m

$596

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 2/8

4:30 pm-10:50 am

Nonstop10h 20m

London Heathrow

Tue 2/24

6:30 am-11:50 am

1 stop13h 20m

$597

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 5/8

4:40 pm-10:00 pm

1 stop21h 20m

London Heathrow

Sat 5/23

7:50 pm-1:55 pm

1 stop26h 05m

$597

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 3/5

7:10 pm-5:50 pm

1 stop14h 40m

London Heathrow

Sun 3/8

7:40 am-3:15 pm

1 stop15h 35m

$598

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 2/8

4:30 pm-10:50 am

Nonstop10h 20m

London Heathrow

Tue 2/24

11:40 am-2:40 pm

Nonstop11h 00m

$598

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 2/24

7:30 pm-5:40 pm

1 stop14h 10m

London Heathrow

Wed 3/4

9:05 pm-5:00 pm

2 stops27h 55m

$601

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 2/18

7:30 pm-6:30 pm

1 stop15h 00m

London Heathrow

Tue 3/3

9:05 pm-5:00 pm

2 stops27h 55m

$603

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

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 Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from California, with most prices found around $657. If you’re not able to fly to London Heathrow Airport in October, then September is your next best option. Flight prices from California to London Heathrow Airport during September average around $659.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $755. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $851.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from California to London Heathrow Airport at noon for as low as $752. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $804.

What is the cheapest California to London Heathrow flight route?

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

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

You are more likely to see cheaper flights to London Heathrow Airport from California when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $768 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from California for as low as $709 on momondo.

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

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

You could potentially save up to 21% on your flight if you consider stops on a California to London Heathrow Airport flight.

Cheap California to London Heathrow Airport flight deals and tips

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

Best Price Found	$336
Fastest flight time	9h 50m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from California in the past 72 hours is $336. The best round-trip flight deal from California to London Heathrow Airport found on momondo in the last 72 hours is $625.

The fastest flight from California to London Heathrow Airport takes 9h 50m

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

Search flight deals

When did momondo last update prices for flights from California to London Heathrow Airport?
Prices for flights from California to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from California to London Heathrow Airport?
There are 20 operators available for flights from California to London Heathrow Airport as of February 2026.
How old do you have to be to fly from California to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?
Based on momondo bookings for flights between California and London Heathrow Airport, the leading plane model is Boeing 787-9 Dreamliner, making up 19.19% of the total bookings. Other popular models include Boeing 777 with 16.98%, Boeing 777-300ER with 16.84%, and Airbus A380-800 with 13.67%.

Best airlines flying from California to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $151	Free Cancellation	Rating 7.2 2,893 reviews	Search JetBlue flights
Scandinavian Airlines	PriceFrom $334	Free Cancellation	Rating 7.3 1,676 reviews	Search Scandinavian Airlines flights
SWISS	PriceFrom $336	Free Cancellation	Rating 7.6 1,864 reviews	Search SWISS flights
TAP AIR PORTUGAL	PriceFrom $339	Free Cancellation	Rating 7.1 2,133 reviews	Search TAP AIR PORTUGAL flights
Norse Atlantic UK	PriceFrom $458	Free Cancellation	Rating 7.2 51 reviews	Search Norse Atlantic UK flights
Aer Lingus	PriceFrom $475	Free Cancellation	Rating 7.2 1,444 reviews	Search Aer Lingus flights
Finnair	PriceFrom $485	Free Cancellation	Rating 7.6 1,357 reviews	Search Finnair flights
Alaska Airlines	PriceFrom $494	Free Cancellation	Rating 8.0 11,832 reviews	Search Alaska Airlines flights
British Airways	PriceFrom $517	Free Cancellation	Rating 6.7 7,711 reviews	Search British Airways flights
Delta	PriceFrom $518	Free Cancellation	Rating 7.9 8,138 reviews	Search Delta flights

Gatwick

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Milton Keynes

Luton

Dover

Slough

Guildford

Crawley

Wembley

Dartford

Stratford-upon-Avon

Hayes

Croydon

Brentwood

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

Why use momondo?

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

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 California to London for you.

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

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

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

Once all potential California to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from California and alert you when they change.

An easier way to manage your London Heathrow Airport 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.

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Cheap flights from California to London from $219

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 5/3. 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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United Airlines flights from California to London Heathrow Airport

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

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

See travel insights to London from

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

What is the cheapest month to fly to London Heathrow Airport?

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $755. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $851.

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

What is the cheapest California to London Heathrow flight route?

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

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

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

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

You could potentially save up to 21% on your flight if you consider stops on a California to London Heathrow Airport flight.

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

United Airlines, Air Canada, and Delta are the most popular carriers operating from California to London Heathrow

What airlines fly to London Heathrow Airport?

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

As of February 2026, 88 flights take off from California and land in London Heathrow Airport each day. The most common flight departure time for this route is 5:00PM, with 56% of daily flights taking off in the afternoon.

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

As of February 2026, there are 619 flights per week flying from California to London Heathrow Airport. The most common day of the week flights depart is Thu, with 15% of flights taking off on this day.

How long does it take to fly to London Heathrow Airport?

Cheap California to London Heathrow Airport flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

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

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

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

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

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

Best airlines flying from California to London Heathrow Airport

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

Traveling 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 Heathrow Airport 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 London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo