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.

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 41% 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.

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

As of February 2026, there are 568 flights per week flying from California to London. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

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

As of February 2026, 81 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.

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

TAP AIR PORTUGAL, JetBlue, and Scandinavian Airlines 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 20 operators available for flights from California to London as of February 2026.

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.

$307 Cheap Flights from California to London in 2026

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Find the cheapest flights from California to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 pm - 3:50 pm

LAX

LHR

14h 20m

1 stop

7:40 am - 4:15 pm

LHR

LAX

15h 35m

1 stop

$595Lufthansa

Mon, Mar 9 - Mon, Mar 16

7:10 pm - 5:50 pm

LAX

LHR

14h 40m

1 stop

9:00 am - 5:35 pm

LHR

LAX

15h 35m

1 stop

$596SWISS

Wed, Mar 4 - Wed, Mar 11

8:20 pm - 9:45 am

SFO

LGW

29h 25m

1 stop

9:20 pm - 4:50 pm

LGW

SFO

27h 30m

2 stops

$596TAP AIR PORTUGAL

Fri, Apr 24 - Thu, May 7

4:40 pm - 7:55 pm

SFO

LHR

19h 15m

2 stops

7:30 pm - 3:35 pm

LHR

SFO

27h 05m

1 stop

$596Scandinavian Airlines

Sat, Mar 7 - Sun, Mar 15

4:45 pm - 11:20 pm

SFO

STN

22h 35m

2 stops

11:10 am - 2:40 pm

STN

SFO

35h 30m

3 stops

$596Multiple Airlines

Mon, Apr 13 - Mon, Apr 27

3:20 pm - 8:55 pm

LAX

STN

21h 35m

2 stops

8:55 pm - 2:30 pm

STN

LAX

24h 35m

2 stops

$596Multiple Airlines

Wed, Mar 4 - Wed, Mar 11

4:40 pm - 10:00 pm

LAX

LHR

21h 20m

1 stop

7:50 pm - 1:55 pm

LHR

LAX

26h 05m

1 stop

$597TAP AIR PORTUGAL

Fri, May 8 - Sat, May 23

5:40 pm - 4:25 pm

SFO

LHR

15h 45m

2 stops

9:05 pm - 3:35 pm

LHR

SFO

25h 30m

2 stops

$597Scandinavian Airlines

Tue, Mar 10 - Wed, Mar 18

10:30 pm - 4:50 pm

LAX

LHR

10h 20mnonstop

6:30 am - 12:45 pm

LHR

LAX

13h 15m

1 stop

$599Virgin Atlantic

Thu, Mar 5 - Wed, Mar 18

4:35 pm - 10:55 am

LAX

LHR

10h 20mnonstop

6:30 am - 12:45 pm

LHR

LAX

13h 15m

1 stop

$605Virgin Atlantic

Thu, Mar 5 - Wed, Mar 18

KLM flights from California to London

Our best KLM deals on California to London flight tickets

KLM

Mar 2

LAX10:10 amLos Angeles

13h 55m

1 stop

LHR8:05 amLondon Heathrow

Mar 9

LHR6:30 amLondon Heathrow

13h 15m

1 stop

LAX12:45 pmLos Angeles

$626

KLM

Apr 15

SFO5:55 pmSan Francisco

10h 20m

LHR12:15 pmLondon Heathrow

Apr 21

LHR6:30 amLondon Heathrow

13h 15m

1 stop

SFO11:45 amSan Francisco

$637

KLM

Mar 18

LAX11:59 amLos Angeles

12h 06m

1 stop

LHR7:05 amLondon Heathrow

Mar 23

LHR5:20 pmLondon Heathrow

11h 20m

LAX9:40 pmLos Angeles

$644

Air Canada flights from California to London

Our best Air Canada deals on California to London flight tickets

Air Canada

Feb 8

SFO11:20 amSan Francisco

16h 30m

1 stop

LHR11:50 amLondon Heathrow

Feb 24

LHR1:25 pmLondon Heathrow

15h 57m

1 stop

SFO9:22 pmSan Francisco

$597

Air Canada

Mar 3

LAX12:50 pmLos Angeles

15h 00m

1 stop

LHR11:50 amLondon Heathrow

Mar 10

LHR9:00 amLondon Heathrow

19h 37m

2 stops

LAX9:37 pmLos Angeles

$629

Air Canada

Mar 11

LAS5:30 amLas Vegas Harry Reid Intl

22h 50m

2 stops

LHR11:20 amLondon Heathrow

Mar 17

LHR6:50 amLondon Heathrow

20h 49m

2 stops

LAS8:39 pmLas Vegas Harry Reid Intl

$636

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 3/9

6:30 pm-3:50 pm

1 stop14h 20m

London Heathrow

Mon 3/16

7:40 am-4:15 pm

1 stop15h 35m

$595

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 3/4

7:10 pm-5:50 pm

1 stop14h 40m

London Heathrow

Wed 3/11

9:00 am-5:35 pm

1 stop15h 35m

$596

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Fri 4/24

8:20 pm-9:45 am

1 stop29h 25m

London Gatwick

Thu 5/7

9:20 pm-4:50 pm

2 stops27h 30m

$596

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sat 3/7

4:40 pm-7:55 pm

2 stops19h 15m

London Heathrow

Sun 3/15

7:30 pm-3:35 pm

1 stop27h 05m

$596

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 4/13

4:45 pm-11:20 pm

2 stops22h 35m

London Stansted

Mon 4/27

11:10 am-2:40 pm

3 stops35h 30m

$596

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Wed 3/4

3:20 pm-8:55 pm

2 stops21h 35m

London Stansted

Wed 3/11

8:55 pm-2:30 pm

2 stops24h 35m

$596

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 5/8

4:40 pm-10:00 pm

1 stop21h 20m

London Heathrow

Sat 5/23

7:50 pm-1:55 pm

1 stop26h 05m

$597

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 3/10

5:40 pm-4:25 pm

2 stops15h 45m

London Heathrow

Wed 3/18

9:05 pm-3:35 pm

2 stops25h 30m

$597

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 3/5

10:30 pm-4:50 pm

Nonstop10h 20m

London Heathrow

Wed 3/18

6:30 am-12:45 pm

1 stop13h 15m

$599

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 3/5

4:35 pm-10:55 am

Nonstop10h 20m

London Heathrow

Wed 3/18

6:30 am-12:45 pm

1 stop13h 15m

$605

Flights are sorted by cheapest round-trip flights first.

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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 $592, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from California averaging around $596.

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 $742. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $834. 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 $752 when looking at flights departing at noon. Flights to London are more costly in the evening, with an average ticket price of $804. 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 $768 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 $709 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	$274
Fastest flight time	9h 55m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from California in the past 72 hours is $274. The best round-trip flight deal from California to London found on momondo in the last 72 hours is $625.

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

Direct flights go from California to London every day.

There are 6 airports in London. From California there are direct flights to 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 February 2026.
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 (19.67% of total bookings). The next most popular plane models are Boeing 777-300ER (17.04%), Boeing 777 (15.86%), and Airbus A380-800 (13.64%).

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 2,893 reviews	Search JetBlue flights
Scandinavian Airlines	PriceFrom $334	Free Cancellation	Rating 7.3 1,676 reviews	Search Scandinavian Airlines flights
SWISS	PriceFrom $336	Free Cancellation	Rating 7.6 1,864 reviews	Search SWISS flights
TAP AIR PORTUGAL	PriceFrom $339	Free Cancellation	Rating 7.1 2,133 reviews	Search TAP AIR PORTUGAL flights
Norse Atlantic UK	PriceFrom $353	Free Cancellation	Rating 7.2 51 reviews	Search Norse Atlantic UK flights
Aer Lingus	PriceFrom $475	Free Cancellation	Rating 7.2 1,444 reviews	Search Aer Lingus flights
Finnair	PriceFrom $485	Free Cancellation	Rating 7.6 1,357 reviews	Search Finnair flights
Alaska Airlines	PriceFrom $494	Free Cancellation	Rating 8.0 11,832 reviews	Search Alaska Airlines flights
British Airways	PriceFrom $498	Free Cancellation	Rating 6.7 7,711 reviews	Search British Airways flights
Delta	PriceFrom $518	Free Cancellation	Rating 7.9 8,138 reviews	Search Delta flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Guildford

Crawley

Wembley

Dartford

Hayes

Croydon

Brentwood

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

Richmond

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.