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

As of September 2025, there are 778 flights per week flying from California to London Heathrow Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

What airlines fly to London Heathrow Airport?

British Airways, United Airlines and Iberia 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 many flights depart from California to London Heathrow Airport on average per day?

As of September 2025, 111 flights take off from California and land in London Heathrow Airport each day. The most common flight departure time for this route is 4:00PM, with 56% of daily flights taking off in the afternoon.

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

TAP AIR PORTUGAL and WestJet are the most popular carriers operating from California to London Heathrow

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 September 2025.

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.

$182 Cheap Flights from California to London Heathrow Airport in 2025/26

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Find the cheapest flights from California to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:40 pm - 10:00 pmLAX-LHR

21h 20m1 stop

7:55 pm - 4:00 pmLHR-LAX

27h 05m1 stop

$500TAP AIR PORTUGAL

Find Deal

sáb., oct. 18 - vie., oct. 31

4:40 pm - 10:55 pmLAX-LHR

22h 15m1 stop

7:55 pm - 4:00 pmLHR-LAX

27h 05m1 stop

$503TAP AIR PORTUGAL

Find Deal

vie., oct. 24 - vie., oct. 31

1:15 pm - 9:50 amSJC-LHR

12h 35m1 stop

6:30 am - 10:58 pmLHR-SJC

23h 28m2 stops

$510Virgin Atlantic

Find Deal

mié., oct. 15 - mié., oct. 29

7:30 am - 9:35 amLAX-LHR

18h 05m2 stops

6:00 am - 1:05 pmLHR-LAX

15h 05m1 stop

$512Austrian Airlines

Find Deal

mar., sep. 23 - mar., oct. 7

6:35 am - 6:25 amSJC-LHR

16h 50m1 stop

10:45 am - 9:31 pmLHR-SJC

18h 46m1 stop

$515Virgin Atlantic

Find Deal

mié., oct. 29 - mié., nov. 5

3:30 pm - 5:40 pmSFO-LHR

18h 10m2 stops

6:40 am - 2:35 pmLHR-SFO

15h 55m1 stop

$520Scandinavian Airlines

Find Deal

lun., oct. 13 - lun., nov. 10

12:05 pm - 9:35 amLAX-LHR

13h 30m1 stop

2:05 pm - 9:35 pmLHR-LAX

15h 30m1 stop

$521Air Canada

Find Deal

lun., sep. 29 - mié., oct. 15

4:15 pm - 5:40 pmSFO-LHR

18h 25m2 stops

7:50 pm - 3:35 pmLHR-SFO

26h 45m2 stops

$522Scandinavian Airlines

Find Deal

lun., mar. 9 - mié., mar. 18

9:10 am - 11:20 amLAS-LHR

18h 10m2 stops

9:00 am - 8:49 pmLHR-LAS

19h 49m2 stops

$556Air Canada

Find Deal

dom., feb. 8 - vie., feb. 20

8:41 am - 2:05 pmLAS-LHR

21h 24m2 stops

2:50 pm - 7:48 pmLHR-LAS

35h 58m2 stops

$599Austrian Airlines

Find Deal

mar., mar. 3 - lun., mar. 16

Air Canada flights from California to London Heathrow Airport

Our best Air Canada deals on California to London Heathrow Airport flight tickets

Air Canada

Sep 29

LAX12:05 pmLos Angeles

13h 30m

1 stop

LHR9:35 amLondon Heathrow

Oct 15

LHR2:05 pmLondon Heathrow

15h 30m

1 stop

LAX9:35 pmLos Angeles

$521

Find similar

Air Canada

Sep 24

SAN8:10 amSan Diego

14h 20m

1 stop

LHR6:30 amLondon Heathrow

Oct 2

LHR9:30 amLondon Heathrow

18h 05m

1 stop

SAN7:35 pmSan Diego

$556

Find similar

Air Canada

Sep 22

SFO11:45 pmSan Francisco

25h 50m

1 stop

LHR9:35 amLondon Heathrow

Oct 7

LHR2:10 pmLondon Heathrow

28h 18m

1 stop

SFO10:28 amSan Francisco

$557

Find similar

American Airlines flights from California to London Heathrow Airport

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

American Airlines

Oct 6

SAN7:50 pmSan Diego

10h 30m

LHR2:20 pmLondon Heathrow

Oct 22

LHR11:30 amLondon Heathrow

11h 20m

SAN2:50 pmSan Diego

$558

Find similar

American Airlines

Sep 21

SAN3:55 pmSan Diego

14h 30m

1 stop

LHR2:25 pmLondon Heathrow

Oct 9

LHR11:30 amLondon Heathrow

11h 20m

SAN2:50 pmSan Diego

$561

Find similar

American Airlines

Sep 29

ONT4:45 pmOntario

12h 05m

1 stop

LHR12:50 pmLondon Heathrow

Oct 15

LHR12:00 pmLondon Heathrow

15h 03m

1 stop

ONT7:03 pmOntario

$594

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momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

sáb. 10/18

4:40 pm-10:00 pm

1 stop21h 20m

London Heathrow

vie. 10/31

7:55 pm-4:00 pm

1 stop27h 05m

$500

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

vie. 10/24

4:40 pm-10:55 pm

1 stop22h 15m

London Heathrow

vie. 10/31

7:55 pm-4:00 pm

1 stop27h 05m

$503

San JoseLondon

SJC - LHR

SJCLHR

San Jose

mié. 10/15

1:15 pm-9:50 am

1 stop12h 35m

London Heathrow

mié. 10/29

6:30 am-10:58 pm

2 stops23h 28m

$510

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

mar. 9/23

7:30 am-9:35 am

2 stops18h 05m

London Heathrow

mar. 10/7

6:00 am-1:05 pm

1 stop15h 05m

$512

San JoseLondon

SJC - LHR

SJCLHR

San Jose

mié. 10/29

6:35 am-6:25 am

1 stop16h 50m

London Heathrow

mié. 11/5

10:45 am-9:31 pm

1 stop18h 46m

$515

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

lun. 10/13

3:30 pm-5:40 pm

2 stops18h 10m

London Heathrow

lun. 11/10

6:40 am-2:35 pm

1 stop15h 55m

$520

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

lun. 9/29

12:05 pm-9:35 am

1 stop13h 30m

London Heathrow

mié. 10/15

2:05 pm-9:35 pm

1 stop15h 30m

$521

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

lun. 3/9

4:15 pm-5:40 pm

2 stops18h 25m

London Heathrow

mié. 3/18

7:50 pm-3:35 pm

2 stops26h 45m

$522

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

dom. 2/8

9:10 am-11:20 am

2 stops18h 10m

London Heathrow

vie. 2/20

9:00 am-8:49 pm

2 stops19h 49m

$556

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

mar. 3/3

8:41 am-2:05 pm

2 stops21h 24m

London Heathrow

lun. 3/16

2:50 pm-7:48 pm

2 stops35h 58m

$599

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 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 $672.

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 $772. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $897.

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 $773. 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 morning are often more expensive with an average ticket price of $983.

What is the cheapest California to London Heathrow flight route?

Fly from Los Angeles 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 $777 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 $726 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 58% 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	$389
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 $389. The best round-trip flight deal from California to London Heathrow Airport found on momondo in the last 72 hours is $592.

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 September 2025.
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 20.69% of the total bookings. Other popular models include Boeing 777-300ER with 18.49%, Boeing 777 with 13.38%, and Airbus A380-800 with 13.20%.

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 $195	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
WestJet	PriceFrom $272	Free Cancellation	Rating 7.2 3,093 reviews	Search WestJet flights
Scandinavian Airlines	PriceFrom $334	Free Cancellation	Rating 7.4 1,486 reviews	Search Scandinavian Airlines flights
SWISS	PriceFrom $336	Free Cancellation	Rating 7.6 1,737 reviews	Search SWISS flights
Lufthansa	PriceFrom $363	Free Cancellation	Rating 6.8 7,407 reviews	Search Lufthansa flights
TAP AIR PORTUGAL	PriceFrom $375	Free Cancellation	Rating 7.1 1,975 reviews	Search TAP AIR PORTUGAL flights
Virgin Atlantic	PriceFrom $469	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights
Aer Lingus	PriceFrom $475	Free Cancellation	Rating 7.2 1,274 reviews	Search Aer Lingus flights
Norse Atlantic UK	PriceFrom $477	Free Cancellation	Rating 7.1 49 reviews	Search Norse Atlantic UK flights
Finnair	PriceFrom $490	Free Cancellation	Rating 7.6 1,324 reviews	Search Finnair flights

Gatwick

Hounslow

Dover

Luton

Slough

Milton Keynes

Hayes

Guildford

Dartford

Crawley

Stansted

Chelmsford

Salisbury

Brentwood

Ilford

Folkestone

Colchester

Swindon

Stratford-upon-Avon

Watford

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 $182

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 10/5. 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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Air Canada flights from California to London Heathrow Airport

Our best Air Canada deals on California to London Heathrow Airport flight tickets

American Airlines flights from California to London Heathrow Airport

Our best American 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

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 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 $772. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $897.

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 Los Angeles 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 58% 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?

TAP AIR PORTUGAL and WestJet 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 September 2025, 111 flights take off from California and land in London Heathrow Airport each day. The most common flight departure time for this route is 4:00PM, 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 September 2025, there are 778 flights per week flying from California to London Heathrow Airport. 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 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