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 10m and 10h 20m, respectively.

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

As of November 2025, there are 578 flights per week flying from California to London. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

TAP AIR PORTUGAL 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 November 2025, 82 flights take off from California and land in London each day. The most common flight departure time for this route is 5:00PM, with 59% of daily flights taking off in the evening.

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 42% of people opting to fly with this airline when traveling to London. Keep in mind that there are 20 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 20 operators available for flights from California to London as of November 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.

$204 Cheap Flights from California to London in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 pm - 3:50 pmLAX-LHR

14h 20m1 stop

7:40 am - 3:15 pmLHR-LAX

15h 35m1 stop

$577Lufthansa

Find Deal

qua, dez 3 - dom, dez 7

7:10 pm - 11:10 pmLAX-STN

20h 00m2 stops

6:25 am - 10:15 pmSTN-LAX

23h 50m2 stops

$577Multiple Airlines

Find Deal

ter, nov 18 - dom, nov 23

1:37 pm - 4:00 pmLAX-LHR

18h 23m2 stops

6:40 am - 4:50 pmLHR-LAX

18h 10m2 stops

$579Scandinavian Airlines

Find Deal

qui, jan 15 - sáb, abr 25

4:45 pm - 5:30 pmLAX-LHR

16h 45m1 stop

6:00 am - 2:40 pmLHR-LAX

16h 40m1 stop

$580TAP AIR PORTUGAL

Find Deal

qui, jan 15 - sáb, abr 25

7:10 pm - 5:50 pmLAX-LGW

14h 40m1 stop

6:40 pm - 4:35 pmLGW-LAX

29h 55m1 stop

$580SWISS

Find Deal

sáb, jan 10 - sáb, jan 24

8:15 pm - 4:50 pmLAX-LHR

12h 35m1 stop

7:50 am - 6:30 pmLHR-LAX

18h 40m1 stop

$581Aer Lingus

Find Deal

qua, nov 26 - qua, dez 3

4:45 pm - 9:35 pmLAX-LHR

20h 50m1 stop

6:00 am - 3:00 pmLHR-LAX

17h 00m1 stop

$583TAP AIR PORTUGAL

Find Deal

qui, nov 13 - sáb, nov 22

7:30 pm - 4:25 pmLAX-LHR

36h 55m2 stops

10:20 am - 5:00 pmLHR-LAX

14h 40m1 stop

$584Scandinavian Airlines

Find Deal

seg, fev 16 - seg, fev 23

8:15 pm - 4:50 pmLAX-LHR

12h 35m1 stop

12:10 pm - 6:30 pmLHR-LAX

14h 20m1 stop

$586Aer Lingus

Find Deal

dom, nov 16 - qua, nov 26

7:25 pm - 5:50 pmSFO-LGW

14h 25m1 stop

6:40 pm - 4:30 pmLGW-SFO

29h 50m1 stop

$589SWISS

Find Deal

seg, nov 24 - ter, dez 2

United Airlines flights from California to London

Our best United Airlines deals on California to London flight tickets

United Airlines

Dec 4

LAX7:00 pmLos Angeles

10h 30m

LHR1:30 pmLondon Heathrow

Dec 25

LHR6:35 amLondon Heathrow

16h 40m

1 stop

LAX3:15 pmLos Angeles

$602

Find similar

United Airlines

Dec 1

SFO12:50 pmSan Francisco

10h 35m

LHR7:25 amLondon Heathrow

Dec 7

LHR9:00 amLondon Heathrow

15h 30m

1 stop

SFO4:30 pmSan Francisco

$604

Find similar

United Airlines

Mar 17

SFO6:25 pmSan Francisco

10h 35m

LHR12:00 pmLondon Heathrow

Mar 24

LHR6:35 amLondon Heathrow

16h 15m

1 stop

SFO3:50 pmSan Francisco

$610

Find similar

Delta flights from California to London

Our best Delta deals on California to London flight tickets

Delta

Nov 19

SFO10:30 amSan Francisco

16h 00m

1 stop

LHR10:30 amLondon Heathrow

Nov 26

LHR11:40 amLondon Heathrow

11h 00m

SFO2:40 pmSan Francisco

$587

Find similar

Delta

Nov 19

SFO7:00 amSan Francisco

16h 50m

1 stop

LHR7:50 amLondon Heathrow

Dec 3

LHR11:40 amLondon Heathrow

11h 00m

SFO2:40 pmSan Francisco

$588

Find similar

Delta

Jan 13

SFO4:30 pmSan Francisco

10h 10m

LHR10:40 amLondon Heathrow

Jan 22

LHR11:40 amLondon Heathrow

11h 00m

SFO2:40 pmSan Francisco

$590

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

qua 12/3

5:30 pm-3:50 pm

1 stop14h 20m

London Heathrow

dom 12/7

7:40 am-3:15 pm

1 stop15h 35m

$577

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

ter 11/18

7:10 pm-11:10 pm

2 stops20h 00m

London Stansted

dom 11/23

6:25 am-10:15 pm

2 stops23h 50m

$577

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

qui 1/15

1:37 pm-4:00 pm

2 stops18h 23m

London Heathrow

sáb 4/25

6:40 am-4:50 pm

2 stops18h 10m

$579

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

qui 1/15

4:45 pm-5:30 pm

1 stop16h 45m

London Heathrow

sáb 4/25

6:00 am-2:40 pm

1 stop16h 40m

$580

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

sáb 1/10

7:10 pm-5:50 pm

1 stop14h 40m

London Gatwick

sáb 1/24

6:40 pm-4:35 pm

1 stop29h 55m

$580

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

qua 11/26

8:15 pm-4:50 pm

1 stop12h 35m

London Heathrow

qua 12/3

7:50 am-6:30 pm

1 stop18h 40m

$581

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

qui 11/13

4:45 pm-9:35 pm

1 stop20h 50m

London Heathrow

sáb 11/22

6:00 am-3:00 pm

1 stop17h 00m

$583

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

seg 2/16

7:30 pm-4:25 pm

2 stops36h 55m

London Heathrow

seg 2/23

10:20 am-5:00 pm

1 stop14h 40m

$584

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

dom 11/16

8:15 pm-4:50 pm

1 stop12h 35m

London Heathrow

qua 11/26

12:10 pm-6:30 pm

1 stop14h 20m

$586

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

seg 11/24

7:25 pm-5:50 pm

1 stop14h 25m

London Gatwick

ter 12/2

6:40 pm-4:30 pm

1 stop29h 50m

$589

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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 September. Flight prices, which tend to average around $598, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from California averaging around $612.

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 $760. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $854. 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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $778 when looking at flights departing at noon. Flights to London are more costly in the evening, with an average ticket price of $829. Departure times in the evening 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 weeks ahead of your departure date. In general, you can expect to find flights to London for around $781 when searching 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 $726 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.

Can stopping save me money on California to London flights?

No. A direct flight is the cheapest option for a flight between California to London.

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	$222
Fastest flight time	10h 10m
Direct flights	Every day
Airports in London	1 airport

The best one-way flight to London from California in the past 72 hours is $222. The best round-trip flight deal from California to London found on momondo in the last 72 hours is $639.

The fastest flight from California to London takes 10h 10m

Direct flights go from California to London every day.

There is 1 airport near London: London Heathrow (LHR)

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 20 operators available for flights from California to London as of November 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 Boeing 787-9 Dreamliner (19.84% of total bookings). The next most popular plane models are Boeing 777-300ER (19.57%), Airbus A380-800 (16.37%), and Boeing 777 (16.14%).

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
JetBlue	PriceFrom $151	Free Cancellation	Rating 7.2 2,907 reviews	Search JetBlue flights
WestJet	PriceFrom $272	Free Cancellation	Rating 7.2 3,153 reviews	Search WestJet flights
Scandinavian Airlines	PriceFrom $328	Free Cancellation	Rating 7.4 1,557 reviews	Search Scandinavian Airlines flights
SWISS	PriceFrom $336	Free Cancellation	Rating 7.5 1,776 reviews	Search SWISS flights
Norse Atlantic UK	PriceFrom $359	Free Cancellation	Rating 7.2 51 reviews	Search Norse Atlantic UK flights
TAP AIR PORTUGAL	PriceFrom $426	Free Cancellation	Rating 7.1 2,046 reviews	Search TAP AIR PORTUGAL flights
Lufthansa	PriceFrom $427	Free Cancellation	Rating 6.8 7,547 reviews	Search Lufthansa flights
Finnair	PriceFrom $465	Free Cancellation	Rating 7.6 1,335 reviews	Search Finnair flights
Aer Lingus	PriceFrom $476	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus flights
Alaska Airlines	PriceFrom $494	Free Cancellation	Rating 8.0 11,237 reviews	Search Alaska Airlines flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Chelmsford

Folkestone

Romford

Ilford

Cobham

Wembley

Stansted

Watford

Harrow

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.

An easier way to manage your London trip

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

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Popular cities in the United Kingdom

Flights to Manchesterfrom $361

Flights to Edinburghfrom $406

Flights to Glasgowfrom $410

Flights to Birminghamfrom $403

Flights to Newcastle upon Tynefrom $452

Flights to Belfastfrom $509

Flights to Bristolfrom $411

Flights to Invernessfrom $433

Flights to Liverpoolfrom $438

Flights to Aberdeenfrom $506

Flights to Leedsfrom $429

Flights to Cardifffrom $494

Cheap flights from California to London from $204

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 12/2. 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

Our best United Airlines deals on California to London flight tickets

Delta flights from California to London

Our best Delta deals on California to London flight tickets

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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

What is the cheapest month to fly to London?

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

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

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?

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.

Can stopping save me money on California to London flights?

No. A direct flight is the cheapest option for a flight between California to London.

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

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

What airlines fly to London?

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

As of November 2025, 82 flights take off from California and land in London each day. The most common flight departure time for this route is 5:00PM, with 59% of daily flights taking off in the evening.

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

As of November 2025, there are 578 flights per week flying from California to London. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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 10m and 10h 20m, respectively.

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

Fastest flight time

Direct flights

Airports in London

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

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

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

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

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

Best airlines flying from California to London

Compare and see reviews for airlines that fly from California to London 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 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 the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London