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

As of May 2026, there are 811 flights per week flying from California to London Heathrow Airport. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

As of May 2026, 115 flights take off from California and land in London Heathrow Airport each day. The most common flight departure time for this route is 8:00PM, with 51% of daily flights taking off in the evening.

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

British Airways, KLM, and United Airlines 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 15m 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.

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 22 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

There are 22 operators available for flights from California to London Heathrow Airport as of May 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.

$329 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.

4:30 pm - 3:00 pm

SJC

LHR

14h 30m

1 stop

6:30 am - 5:15 pm

LHR

SJC

18h 45m

2 stops

$757Virgin Atlantic

Tue, Oct 6 - Tue, Oct 13

5:05 pm - 2:55 pm

SJC

LHR

13h 50m

1 stop

6:30 am - 8:58 pm

LHR

SJC

22h 28m

2 stops

$783Virgin Atlantic

Thu, Oct 1 - Tue, Nov 24

8:05 pm - 5:35 pm

SJC

LHR

13h 30m

1 stop

6:30 am - 8:58 pm

LHR

SJC

22h 28m

2 stops

$788Virgin Atlantic

Thu, Oct 1 - Tue, Nov 24

4:40 pm - 10:20 am

LAX

LHR

33h 40m

1 stop

6:45 pm - 2:45 pm

LHR

LAX

28h 00m

1 stop

$794TAP AIR PORTUGAL

Sun, Aug 16 - Mon, Aug 31

7:30 pm - 5:40 pm

LAX

LHR

14h 10m

1 stop

6:40 am - 5:00 pm

LHR

LAX

18h 20m

1 stop

$795Scandinavian Airlines

Mon, Nov 2 - Wed, Nov 18

7:30 pm - 6:30 pm

LAX

LHR

15h 00m

1 stop

6:40 pm - 5:00 pm

LHR

LAX

30h 20m

1 stop

$796Scandinavian Airlines

Tue, Nov 3 - Fri, Nov 13

3:50 pm - 5:10 pm

SFO

LHR

17h 20m

1 stop

6:30 am - 1:50 pm

LHR

SFO

15h 20m

1 stop

$810LOT

Thu, May 14 - Sun, Jun 21

4:30 pm - 5:45 pm

SFO

LHR

17h 15m

1 stop

6:00 am - 2:30 pm

LHR

SFO

16h 30m

1 stop

$811TAP AIR PORTUGAL

Mon, Aug 3 - Thu, Aug 27

7:35 pm - 5:50 pm

SFO

LHR

14h 15m

1 stop

8:45 am - 4:15 pm

LHR

SFO

15h 30m

1 stop

$813SWISS

Sun, Jul 19 - Thu, Oct 15

7:35 pm - 5:50 pm

SFO

LHR

14h 15m

1 stop

8:45 am - 4:15 pm

LHR

SFO

15h 30m

1 stop

$814SWISS

Sun, Aug 2 - Tue, Sep 1

Virgin Atlantic flights from California to London Heathrow Airport

Our best Virgin Atlantic deals on California to London Heathrow Airport flight tickets

Virgin Atlantic

Oct 6

SJC4:30 pmSan Jose

14h 30m

1 stop

LHR3:00 pmLondon Heathrow

Oct 13

LHR6:30 amLondon Heathrow

18h 45m

2 stops

SJC5:15 pmSan Jose

$757

Virgin Atlantic

Oct 1

SJC5:05 pmSan Jose

13h 50m

1 stop

LHR2:55 pmLondon Heathrow

Nov 24

LHR6:30 amLondon Heathrow

22h 28m

2 stops

SJC8:58 pmSan Jose

$783

Virgin Atlantic

Oct 1

SJC8:05 pmSan Jose

13h 30m

1 stop

LHR5:35 pmLondon Heathrow

Nov 24

LHR6:30 amLondon Heathrow

22h 28m

2 stops

SJC8:58 pmSan Jose

$788

TAP AIR PORTUGAL flights from California to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on California to London Heathrow Airport flight tickets

TAP AIR PORTUGAL

Aug 16

LAX4:40 pmLos Angeles

33h 40m

1 stop

LHR10:20 amLondon Heathrow

Aug 31

LHR6:45 pmLondon Heathrow

28h 00m

1 stop

LAX2:45 pmLos Angeles

$794

TAP AIR PORTUGAL

Sep 8

LAX4:45 pmLos Angeles

18h 05m

1 stop

LHR6:50 pmLondon Heathrow

Sep 14

LHR7:50 pmLondon Heathrow

26h 55m

1 stop

LAX2:45 pmLos Angeles

$804

TAP AIR PORTUGAL

Aug 18

LAX4:45 pmLos Angeles

33h 35m

1 stop

LHR10:20 amLondon Heathrow

Aug 28

LHR8:00 amLondon Heathrow

38h 40m

1 stop

LAX2:40 pmLos Angeles

$808

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

Cheapest round-trip

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 10/6

4:30 pm-3:00 pm

1 stop14h 30m

London Heathrow

Tue 10/13

6:30 am-5:15 pm

2 stops18h 45m

$757

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Thu 10/1

5:05 pm-2:55 pm

1 stop13h 50m

London Heathrow

Tue 11/24

6:30 am-8:58 pm

2 stops22h 28m

$783

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Thu 10/1

8:05 pm-5:35 pm

1 stop13h 30m

London Heathrow

Tue 11/24

6:30 am-8:58 pm

2 stops22h 28m

$788

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 8/16

4:40 pm-10:20 am

1 stop33h 40m

London Heathrow

Mon 8/31

6:45 pm-2:45 pm

1 stop28h 00m

$794

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 11/2

7:30 pm-5:40 pm

1 stop14h 10m

London Heathrow

Wed 11/18

6:40 am-5:00 pm

1 stop18h 20m

$795

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 11/3

7:30 pm-6:30 pm

1 stop15h 00m

London Heathrow

Fri 11/13

6:40 pm-5:00 pm

1 stop30h 20m

$796

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 5/14

3:50 pm-5:10 pm

1 stop17h 20m

London Heathrow

Sun 6/21

6:30 am-1:50 pm

1 stop15h 20m

$810

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 8/3

4:30 pm-5:45 pm

1 stop17h 15m

London Heathrow

Thu 8/27

6:00 am-2:30 pm

1 stop16h 30m

$811

Quickest round-trip

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 7/19

7:35 pm-5:50 pm

1 stop14h 15m

London Heathrow

Thu 10/15

8:45 am-4:15 pm

1 stop15h 30m

$813

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 8/2

7:35 pm-5:50 pm

1 stop14h 15m

London Heathrow

Tue 9/1

8:45 am-4:15 pm

1 stop15h 30m

$814

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 February is, on average, the cheapest month to fly to London Heathrow Airport from California, with most prices found around $644. If you’re not able to fly to London Heathrow Airport in February, then August is your next best option. Flight prices from California to London Heathrow Airport during August average around $664.

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 $756. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $887.

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 $713. 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 afternoon are often more expensive with an average ticket price of $845.

What is the cheapest California to London Heathrow flight route?

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

How far in advance should I book a flight from California 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 $827 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 $746 on momondo.

Can stopping save me money on California to London Heathrow Airport flights?

You could potentially save up to 10% 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	$436
Fastest flight time	9h 55m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from California in the past 72 hours is $436. The best round-trip flight deal from California to London Heathrow Airport found on momondo in the last 72 hours is $979.

The fastest flight from California to London Heathrow Airport takes 9h 55m

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

Search flight deals

Frequently asked questions about flying from California to London Heathrow Airport

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 22 operators available for flights from California to London Heathrow Airport as of May 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 29.36% of the total bookings. Other popular models include Airbus A350-1000 with 18.48%, Boeing 777-300ER with 14.97%, and Boeing 777 with 13.35%.

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 7.1 2,974 reviews	Search JetBlue flights
Brussels Airlines	PriceFrom $291	Free Cancellation	Rating 7.3 406 reviews	Search Brussels Airlines flights
SWISS	PriceFrom $336	Free Cancellation	Rating 7.6 1,942 reviews	Search SWISS flights
TAP AIR PORTUGAL	PriceFrom $373	Free Cancellation	Rating 7.2 2,250 reviews	Search TAP AIR PORTUGAL flights
Norse Atlantic UK	PriceFrom $454	Free Cancellation	Rating 7.2 54 reviews	Search Norse Atlantic UK flights
Aer Lingus	PriceFrom $474	Free Cancellation	Rating 7.3 1,551 reviews	Search Aer Lingus flights
Finnair	PriceFrom $485	Free Cancellation	Rating 7.6 1,393 reviews	Search Finnair flights
Alaska Airlines	PriceFrom $494	Free Cancellation	Rating 7.9 12,356 reviews	Search Alaska Airlines flights
Scandinavian Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 1,774 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $513	Free Cancellation	Rating 7.9 8,453 reviews	Search Delta flights

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Wembley

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Croydon

Stansted

Watford

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Brentwood

Dartford

Cobham

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Romford

Uxbridge

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

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Cheap flights from California to London from $329

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 8/31. 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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Virgin Atlantic flights from California to London Heathrow Airport

Our best Virgin Atlantic deals on California to London Heathrow Airport flight tickets

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Our best TAP AIR PORTUGAL deals on California to London Heathrow Airport flight tickets

momondo Fare Finder

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?

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?

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

Can stopping save me money on California to London Heathrow Airport flights?

What is the cheapest airline that flies 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?

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

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

Frequently asked questions about flying 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?

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

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