London

$299+ Cheap flights from California to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
Feb 28 — Mar 71
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Cheap flight deals from California to London

Cheapest flights from California to London
Explore the most affordable flight options available from California to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:30 pm
LAX
-
LHR
1 stop14h 20m
Multiple Airlines
Fri 3/139:00 am
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Deal found 1/27$594
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:25 pm
SFO
-
LGW
1 stop14h 25m
SWISS
Wed 2/116:40 pm
LGW
-
SFO
1 stop29h 50m
SWISS
Deal found 1/28$594
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/179:25 pm
SFO
-
LHR
1 stop14h 10m
Multiple Airlines
Tue 2/249:00 am
LHR
-
SFO
1 stop15h 30m
Multiple Airlines
Deal found 1/27$594
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/244:45 pm
LAX
-
LGW
1 stop33h 05m
TAP AIR PORTUGAL
Fri 3/64:40 pm
LGW
-
LAX
1 stop30h 20m
TAP AIR PORTUGAL
Deal found 1/28$594
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:10 pm
LAX
-
LHR
1 stop14h 40m
SWISS
Mon 3/169:00 am
LHR
-
LAX
1 stop15h 35m
SWISS
Deal found 1/27$595
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:25 pm
SFO
-
LGW
1 stop14h 25m
SWISS
Wed 3/116:40 pm
LGW
-
SFO
1 stop29h 50m
SWISS
Deal found 1/28$595
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/107:25 pm
SFO
-
LHR
1 stop14h 25m
SWISS
Thu 2/199:00 am
LHR
-
SFO
1 stop15h 30m
SWISS
Deal found 1/27$595
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:10 pm
LAX
-
LGW
1 stop14h 40m
SWISS
Tue 3/176:40 pm
LGW
-
LAX
1 stop29h 55m
SWISS
Deal found 1/28$595
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:55 pm
LAX
-
STN
2 stops37h 40m
Multiple Airlines
Wed 3/118:55 pm
STN
-
LAX
1 stop29h 10m
Multiple Airlines
Deal found 1/27$595
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:30 pm
LAX
-
LHR
1 stop14h 10m
Scandinavian Airlines
Mon 3/29:05 pm
LHR
-
LAX
2 stops27h 55m
Scandinavian Airlines
Deal found 1/26$596
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/107:25 pm
SFO
-
LGW
1 stop14h 25m
SWISS
Wed 2/256:40 pm
LGW
-
SFO
1 stop29h 50m
SWISS
Deal found 1/28$596
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/177:25 pm
SFO
-
LHR
1 stop14h 25m
SWISS
Wed 3/119:00 am
LHR
-
SFO
1 stop15h 30m
SWISS
Deal found 1/26$596

Find flight deals from California to London

Keep the following information in mind while searching for California to London flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$594
(Cheapflightsfares)

One-way from

$299
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$738

Good round-trip deal

$643 or less

Good one-way deal

$274 or less
Provider with most accurate pricing for Los Angeles-London (LON) flight deals.
Provider most trusted by Cheapflights users for Los Angeles-London (LON) flights.
From California to London (LON)
One-way flight from California to London (LON)
Highest demand for flights based on searches. 13% potential increase in price ($113 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from California to London (LON).
Price to beat on a one-way flight from California to London (LON).

Cheapflights Fare Finder

 
Customize your flight search to find flights from California to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from California to London that are best for you.

Fly from

California

Fly to

London

Route

Depart

Return

Price

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Tue 2/24

4:45 pm-11:10 pm

2 stops22h 25m

London Stansted

Thu 3/5

6:30 am-11:00 am

3 stops36h 30m

$597

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Sun 3/1

7:35 am-4:10 pm

3 stops24h 35m

London Stansted

Fri 3/6

7:30 am-10:00 pm

2 stops22h 30m

$603

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 3/12

8:00 pm-1:30 pm

Nonstop10h 30m

London Heathrow

Thu 3/19

6:35 am-4:15 pm

1 stop16h 40m

$619

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 3/3

12:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Sun 3/8

1:45 pm-5:30 pm

1 stop34h 45m

$619

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 2/16

12:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Fri 2/27

6:35 am-2:50 pm

1 stop16h 15m

$619

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 3/4

12:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Mon 3/9

7:40 am-3:50 pm

1 stop15h 10m

$619

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 2/16

4:40 pm-5:40 pm

1 stop17h 00m

London Heathrow

Fri 2/27

7:50 pm-2:35 pm

2 stops26h 45m

$620

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 2/26

8:22 am-7:05 am

1 stop14h 43m

London Heathrow

Wed 3/11

6:30 am-12:45 pm

1 stop13h 15m

$621

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 2/17

7:25 pm-5:50 pm

1 stop14h 25m

London Gatwick

Wed 3/18

6:40 pm-5:30 pm

1 stop29h 50m

$622

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 2/26

10:10 am-8:05 am

1 stop13h 55m

London Heathrow

Sun 3/1

6:30 am-11:45 am

1 stop13h 15m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 60 results
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Best time to book a flight from California to London

Have a flexible travel schedule? Discover the best time to fly to London from California with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from California to London

What is the cheapest month to book a flight from California to London?

Currently, October is the cheapest month in which you can book a flight from California to London (average of $222). Flying from California to London in June is currently the most expensive (average of $569). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to LON?

Find hourly flight availability from California to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

A simple way to save on the total cost of your ticket is to fly from California to London in the afternoon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from California to London?

Use this chart to determine the cheapest time to fly round-trip from California to London. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their California to London flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from California to London

Explore weekly flight availability from California to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from USCA to LON are scheduled on a Monday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (37 on average).

Related info for your journey

Find useful and relevant information for your journey from California to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports serve California to London flights?

    Airports that serve flights from California to London can vary on the locations that are chosen. California has multiple airports to choose from in order to fly to London, just as London has plenty of airports to choose from when flying from California to London. California’s most popular airport would be Los Angeles International Airport, which is said to be the second busiest airport in the United States. Another popular airport in California is San Francisco International Airport which is known to be the seventh busiest airport in North America. London also has a choice of airports such as Heathrow Airport which is known as the world’s second-busiest airport, and Gatwick Airport, or London Gatwick, which is the second-busiest airport in the United Kingdom.

  • Which airlines fly directly from California to London?

    Airlines that fly directly from California to London vary on the location of take-off and destination. If you choose to fly from Los Angeles International Airport to Heathrow Airport, Finnair, which is operated by American Airlines, has multiple flights available. Other Airlines from Los Angeles to Heathrow Airport include British Airways and American Airlines. Prices for the flights can vary upon the speed of the flight. When flying from San Francisco to Gatwick, WestJet Airlines, British Airlines, and French Bee Airlines are popular choices.

  • What are the stopover options between California to London?

    With flights leaving from San Francisco to Gatwick, there is usually one stopover which varies in location. Some of those locations include Calgary International Airport which is located in Calgary, Alberta and Denver International Airport which is located in Denver, Colorado. These flights can vary in times from 13h 30m-35h 52m depending on the speed and amount of stopovers chosen. When flying from Los Angeles to Heathrow, typically flights are nonstop and can vary from 10h 43m-21h 28m.

  • Do I need a passport or visa to fly from California to London?

    If you are a US Citizen and are planning a trip from California to London, you will not need a visa for tourist or business travel for up to six months. If you plan on staying past the six months then you will be required to obtain a visa. If you are not planning to stay longer than six months only a valid passport for a minimum of six months prior to your trip.

  • How long is the flight from California to London?

    Departing from California to London will take you 10h 30m. Airlines will cover a distance of 5439 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from California to London one-way?

    For one-way options, check prices for Norse Atlantic UK. According to our data, you can fly for as low as $139. Users have also found prices from $168 and $179 on TAP AIR PORTUGAL and JetBlue, respectively.

  • What are the most popular routes from California to London?

  • What are the most reliable airlines from California to London?

    Before booking your flight to London from California, check out the most reliable airlines to get you to your destination on time: Air Canada (93%), Austrian Airlines (93%), United Airlines( 93%).

  • What are the cheapest flights from California to London?

    The cheapest flight price from California to London is $254. On average you can expect to pay $3,136. The most popular route, (Los Angeles - London Heathrow), can usually be booked for $460.

  • Can I find deals for flights from California to London that include hotel bookings?

    Yes. In addition to deals on California to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to London.

  • Can I find deals for business class flights from California to London?

    Yes. Cheapflights offers flight deals from California to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from California to London?

    Currently, October is the cheapest month in which you can book a flight from California to London (average of $222). Flying from California to London in June is currently the most expensive (average of $569). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for California to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from California to London

Discover the top 10 airlines that operate flights from California to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$151Average$951FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$334Average$654FlexibilityNo cancel feeOn-time77%
SWISSCheapest$336Average$835FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$339Average$553FlexibilityNo cancel feeOn-timeN/A
Norse Atlantic UKCheapest$352Average$680FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$476Average$740FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$485Average$739FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$494Average$765FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$498Average$814FlexibilityNo cancel feeOn-time70%
DeltaCheapest$521Average$791FlexibilityNo cancel feeOn-timeN/A

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