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

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

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

As of February 2025, 100 flights take off from California and land in London 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 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 15m and 10h 25m, respectively.

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

As of February 2025, there are 700 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.

What airlines fly to London?

British Airways, United Airlines and Virgin Atlantic 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 38% 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.

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 February 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.

$198 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.

8:10 pm - 9:25 pmLAX-LHR

18h 15m2 stops

7:30 pm - 5:30 pmLHR-LAX

29h 00m2 stops

$319SWISS

Find Deal

lun., mar. 17 - mié., mar. 26

7:35 pm - 9:30 pmLAX-LHR

17h 55m2 stops

8:40 am - 4:30 pmLHR-LAX

15h 50m1 stop

$349SWISS

Find Deal

lun., mar. 31 - lun., may. 12

4:40 pm - 10:20 amLAX-LHR

33h 40m1 stop

7:50 pm - 2:35 pmLHR-LAX

26h 45m1 stop

$478TAP AIR PORTUGAL

Find Deal

dom., ago. 10 - jue., ago. 21

4:30 pm - 10:55 amLAX-LGW

10h 25mnonstop

10:45 am - 2:00 pmLGW-LAX

11h 15mnonstop

$478Norse Atlantic UK

Find Deal

mié., abr. 30 - dom., may. 4

4:30 pm - 10:55 amLAX-LGW

10h 25mnonstop

10:45 am - 2:00 pmLGW-LAX

11h 15mnonstop

$490Norse Atlantic UK

Find Deal

mié., abr. 30 - mié., may. 14

4:40 pm - 6:50 pmLAX-LHR

18h 10m1 stop

6:00 am - 2:40 pmLHR-LAX

16h 40m1 stop

$498TAP AIR PORTUGAL

Find Deal

mar., ago. 5 - mar., ago. 19

4:29 pm - 10:00 amLAX-LGW

33h 31m2 stops

8:50 am - 9:47 pmLGW-LAX

20h 57m2 stops

$499

Find Deal

mié., abr. 2 - mié., abr. 30

11:48 pm - 10:00 amLAX-LGW

26h 12m2 stops

8:50 am - 9:47 pmLGW-LAX

20h 57m2 stops

$504

Find Deal

mar., abr. 1 - mié., abr. 30

6:40 pm - 4:00 pmLAX-LHR

14h 20m1 stop

9:05 pm - 4:35 pmLHR-LAX

26h 30m2 stops

$528Scandinavian Airlines

Find Deal

vie., mar. 14 - dom., mar. 16

9:05 pm - 9:35 pmLAX-LHR

16h 30m2 stops

10:20 am - 4:20 pmLHR-LAX

14h 00m1 stop

$529Scandinavian Airlines

Find Deal

sáb., mar. 29 - lun., mar. 31

SWISS flights from California to London

Our best SWISS deals on California to London flight tickets

SWISS

Mar 17

LAX8:10 pmLos Angeles

18h 15m

2 stops

LHR9:25 pmLondon Heathrow

Mar 26

LHR7:30 pmLondon Heathrow

29h 00m

2 stops

LAX5:30 pmLos Angeles

$319

Find similar

SWISS

Mar 31

LAX7:35 pmLos Angeles

17h 55m

2 stops

LHR9:30 pmLondon Heathrow

May 12

LHR8:40 amLondon Heathrow

15h 50m

1 stop

LAX4:30 pmLos Angeles

$349

Find similar

SWISS

Mar 16

SFO8:25 pmSan Francisco

14h 25m

1 stop

LHR5:50 pmLondon Heathrow

Apr 1

LHR6:40 pmLondon Heathrow

29h 30m

1 stop

SFO4:10 pmSan Francisco

$454

Find similar

TAP AIR PORTUGAL flights from California to London

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

TAP AIR PORTUGAL

Aug 10

LAX4:40 pmLos Angeles

33h 40m

1 stop

LHR10:20 amLondon Heathrow

Aug 21

LHR7:50 pmLondon Heathrow

26h 45m

1 stop

LAX2:35 pmLos Angeles

$478

Find similar

TAP AIR PORTUGAL

Aug 5

LAX4:40 pmLos Angeles

18h 10m

1 stop

LHR6:50 pmLondon Heathrow

Aug 19

LHR6:00 amLondon Heathrow

16h 40m

1 stop

LAX2:40 pmLos Angeles

$498

Find similar

TAP AIR PORTUGAL

Jul 27

LAX4:40 pmLos Angeles

18h 10m

1 stop

LHR6:50 pmLondon Heathrow

Aug 14

LHR6:45 pmLondon Heathrow

27h 50m

1 stop

LAX2:35 pmLos Angeles

$499

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 $628.

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 $796. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $940. 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 $748 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $930. 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 7 weeks ahead of your departure date. In general, you can expect to find flights to London for around $800 when searching 7 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 $730 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	$198
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 $198. The best round-trip flight deal from California to London found on momondo in the last 72 hours is $319.

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 February 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 (22.28% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (16.18%), Boeing 777 (15.28%), and Boeing 777-300ER (14.55%).

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 2,794 reviews	Search WestJet flights
Norse Atlantic UK	PriceFrom $378	Free Cancellation	Rating 7.0 43 reviews	Search Norse Atlantic UK flights
Virgin Atlantic	PriceFrom $418	Free Cancellation	Rating 7.5 650 reviews	Search Virgin Atlantic flights
Scandinavian Airlines	PriceFrom $419	Free Cancellation	Rating 7.3 1,319 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom $428	Free Cancellation	Rating 7.1 1,836 reviews	Search TAP AIR PORTUGAL flights
KLM	PriceFrom $463	Free Cancellation	Rating 7.8 1,331 reviews	Search KLM flights
Finnair	PriceFrom $465	Free Cancellation	Rating 7.6 1,273 reviews	Search Finnair flights
Air France	PriceFrom $467	Free Cancellation	Rating 7.4 1,444 reviews	Search Air France flights
Delta	PriceFrom $474	Free Cancellation	Rating 8.0 8,140 reviews	Search Delta flights
Lufthansa	PriceFrom $486	Free Cancellation	Rating 6.7 6,981 reviews	Search Lufthansa flights

Hounslow

Gatwick

Croydon

Luton

Guildford

Slough

Ipswich

Hayes

Stansted

Ilford

Canterbury

Dover

Milton Keynes

Dartford

Horley

Colchester

Wembley

Chelmsford

Eastbourne

St. Albans

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.