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

As of April 2025, there are 796 flights per week flying from California to London. The most common day of the week flights depart is Wed, with 15% of flights taking off on this day.

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

As of April 2025, 113 flights take off from California and land in London each day. The most common flight departure time for this route is 4:00PM, with 60% of daily flights taking off in the afternoon.

How long does it take to fly to London?

If you’re flying from a popular airport in California, such as San Francisco or Los Angeles, and flying into London, then you can expect flight times to average 10h 20m and 10h 25m, respectively.

What airlines fly to London?

British Airways, United Airlines and Iberia are the top three most popular airlines that fly to London from California according to our data. British Airways is the first choice among our users, with 37% of people opting to fly with this airline when traveling to London. Keep in mind that there are 22 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

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

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

Prices for flights from California to London are refreshed on a daily basis.

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

There are 22 operators available for flights from California to London as of April 2025.

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.

$174 Cheap Flights from California to London in 2025

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Find the cheapest flights from California to London

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One-way

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Cheap round-trip flights

These are some of the best round-trip flight deals from California to London that have been recently found on momondo from popular airlines, departing in the coming months.

7:30 pm - 9:35 pmLAX-LHR

18h 05m2 stops

6:40 pm - 4:20 pmLHR-LAX

29h 40m1 stop

$483Scandinavian Airlines

Find Deal

lun., oct. 13 - lun., oct. 20

7:30 pm - 5:40 pmLAX-LHR

14h 10m1 stop

10:20 am - 4:20 pmLHR-LAX

14h 00m1 stop

$485Scandinavian Airlines

Find Deal

mié., oct. 1 - mié., oct. 8

7:35 pm - 5:50 pmLAX-LGW

14h 15m1 stop

6:35 pm - 4:30 pmLGW-LAX

29h 55m1 stop

$495SWISS

Find Deal

lun., may. 26 - lun., jun. 9

4:30 pm - 10:55 amLAX-LGW

10h 25mnonstop

7:40 am - 5:30 pmLGW-LAX

17h 50m1 stop

$499

Find Deal

mié., oct. 1 - mié., oct. 8

4:30 pm - 10:55 amLAX-LGW

10h 25mnonstop

10:55 am - 2:10 pmLGW-LAX

11h 15mnonstop

$502Norse Atlantic UK

Find Deal

dom., sep. 21 - mié., sep. 24

4:30 pm - 10:55 amLAX-LGW

10h 25mnonstop

10:55 am - 2:10 pmLGW-LAX

11h 15mnonstop

$503Norse Atlantic UK

Find Deal

lun., ago. 4 - vie., ago. 22

7:35 pm - 8:15 amLAX-LHR

28h 40m2 stops

5:15 pm - 4:30 pmLHR-LAX

31h 15m2 stops

$521SWISS

Find Deal

dom., oct. 12 - dom., oct. 19

4:30 pm - 10:55 amLAX-LGW

10h 25mnonstop

7:40 am - 5:30 pmLGW-LAX

17h 50m1 stop

$522

Find Deal

vie., ago. 1 - dom., ago. 31

4:20 pm - 5:45 pmSFO-LHR

17h 25m1 stop

7:50 pm - 1:35 pmLHR-SFO

25h 45m1 stop

$524TAP AIR PORTUGAL

Find Deal

lun., sep. 22 - lun., oct. 13

4:20 pm - 3:35 pmSFO-LGW

15h 15m1 stop

4:25 pm - 1:35 pmLGW-SFO

29h 10m1 stop

$539TAP AIR PORTUGAL

Find Deal

mar., sep. 30 - lun., oct. 13

Aer Lingus flights from California to London

Our best Aer Lingus deals on California to London flight tickets

Aer Lingus

Aug 17

SFO5:45 pmSan Francisco

13h 10m

1 stop

LHR2:55 pmLondon Heathrow

Aug 27

LHR9:50 amLondon Heathrow

14h 05m

1 stop

SFO3:55 pmSan Francisco

$558

Find similar

Aer Lingus

May 12

SFO5:45 pmSan Francisco

14h 10m

1 stop

LHR3:55 pmLondon Heathrow

May 16

LHR7:40 amLondon Heathrow

16h 15m

1 stop

SFO3:55 pmSan Francisco

$559

Find similar

Aer Lingus

May 5

SFO5:45 pmSan Francisco

13h 10m

1 stop

LHR2:55 pmLondon Heathrow

May 20

LHR7:40 amLondon Heathrow

16h 15m

1 stop

SFO3:55 pmSan Francisco

$589

Find similar

United Airlines flights from California to London

Our best United Airlines deals on California to London flight tickets

United Airlines

Oct 21

SFO4:05 pmSan Francisco

10h 20m

LHR10:25 amLondon Heathrow

Oct 29

LHR8:55 amLondon Heathrow

15h 30m

1 stop

SFO5:25 pmSan Francisco

$616

Find similar

United Airlines

Sep 9

SFO8:30 amSan Francisco

17h 05m

1 stop

LHR9:35 amLondon Heathrow

Sep 18

LHR9:30 amLondon Heathrow

14h 30m

1 stop

SFO4:00 pmSan Francisco

$622

Find similar

United Airlines

Sep 11

SFO7:55 pmSan Francisco

10h 15m

LHR2:10 pmLondon Heathrow

Sep 16

LHR6:30 amLondon Heathrow

14h 10m

1 stop

SFO12:40 pmSan Francisco

$652

Find similar

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 October. Flight prices, which tend to average around $625, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from California averaging around $643.

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

The cheapest day to depart from California to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $802. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $930. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from California in the morning is the least expensive time of day to depart. momondo users have found prices as low as $755 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $900. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 25 weeks ahead of your departure date. In general, you can expect to find flights to London for around $792 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from California for as low as $752 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.

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	$174
Fastest flight time	9h 55m
Direct flights	Every day
Airports in London	2 airports

The best one-way flight to London from California in the past 72 hours is $174. The best round-trip flight deal from California to London found on momondo in the last 72 hours is $483.

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

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 are refreshed on a daily basis.
How many operators does momondo search for flights from California to London?
There are 22 operators available for flights from California to London as of April 2025.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from California to London is Airbus A380-800 (19.02% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (18.75%), Boeing 777-300ER (13.88%), and Boeing 777 (13.24%).

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
WestJet	PriceFrom $272	Free Cancellation	Rating 7.2 2,826 reviews	Search WestJet flights
Scandinavian Airlines	PriceFrom $326	Free Cancellation	Rating 7.3 1,349 reviews	Search Scandinavian Airlines flights
Norse Atlantic UK	PriceFrom $388	Free Cancellation	Rating 7.1 45 reviews	Search Norse Atlantic UK flights
Virgin Atlantic	PriceFrom $418	Free Cancellation	Rating 7.4 643 reviews	Search Virgin Atlantic flights
TAP AIR PORTUGAL	PriceFrom $428	Free Cancellation	Rating 7.1 1,852 reviews	Search TAP AIR PORTUGAL flights
Air France	PriceFrom $430	Free Cancellation	Rating 7.4 1,446 reviews	Search Air France flights
Lufthansa	PriceFrom $452	Free Cancellation	Rating 6.7 7,046 reviews	Search Lufthansa flights
Finnair	PriceFrom $465	Free Cancellation	Rating 7.6 1,275 reviews	Search Finnair flights
KLM	PriceFrom $486	Free Cancellation	Rating 7.8 1,334 reviews	Search KLM flights
SWISS	PriceFrom $533	Free Cancellation	Rating 7.5 1,588 reviews	Search SWISS flights

Gatwick

Hounslow

Croydon

Luton

Slough

Guildford

Dartford

Dover

Stansted

Hayes

Ilford

Milton Keynes

Canterbury

Colchester

Wembley

Chelmsford

Richmond

Crawley

Hook

Horley

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from California to London. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from California to London on momondo can be filtered to show those which offer 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?

Of course. momondo tracks the price of California to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.