London

$178+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
Oct 15 — Oct 221
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Cheap flight deals from California to London

Keep the following information in mind while searching for California to London flight deals. Data was last updated September 15, 2025.

Round-trip from

$500
(Gurufare)

One-way from

$178
(Booking.com)

Popular in

December

Cheapest in

September

Average price

$604

Good round-trip deal

$483 or less

Good one-way deal

$179 or less
From California to London (LON)
One-way flight from California to London (LON)
Highest demand for flights based on searches. 12% potential increase in price ($100 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in September 2025
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).

Find 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 September 15, 2025.

This Gurufare deal was found by Cheapflights users on 9/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/184:40 pmLAX - LHR
1 stop21h 20mTAP AIR PORTUGAL
Fri 10/317:55 pmLHR - LAX
1 stop27h 05mTAP AIR PORTUGAL
Deal found 9/14$500
This Connections by easyJet deal was found by Cheapflights users on 9/15. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:30 pmLAX - LGW
1 stop38h 15mMultiple Airlines
Sat 11/226:55 amLGW - LAX
1 stop21h 30mMultiple Airlines
Deal found 9/15$501
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/13. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:40 pmLAX - LHR
1 stop21h 20mTAP AIR PORTUGAL
Fri 10/317:55 pmLHR - LAX
1 stop27h 05mTAP AIR PORTUGAL
Deal found 9/13$502
This Norse Atlantic Airways deal was found by Cheapflights users on 9/13. 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Fri 10/1710:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 9/13$502
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/172:30 pmLAX - LTN
1 stop34h 00mMultiple Airlines
Sat 11/229:25 amLTN - LAX
1 stop19h 00mMultiple Airlines
Deal found 9/15$504
This Gurufare deal was found by Cheapflights users on 9/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/184:40 pmLAX - LGW
1 stop33h 05mTAP AIR PORTUGAL
Fri 10/314:40 pmLGW - LAX
1 stop30h 20mTAP AIR PORTUGAL
Deal found 9/14$504
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Fri 10/1710:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 9/13$506
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/15. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:40 pmLAX - LGW
1 stop34h 10mTAP AIR PORTUGAL
Fri 10/314:40 pmLGW - LAX
1 stop30h 20mTAP AIR PORTUGAL
Deal found 9/15$507
This Gurufare deal was found by Cheapflights users on 9/13. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/194:40 pmLAX - LHR
1 stop22h 15mTAP AIR PORTUGAL
Fri 10/318:15 amLHR - LAX
1 stop38h 45mTAP AIR PORTUGAL
Deal found 9/13$508
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/124:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Wed 10/2210:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 9/14$508
This Norse Atlantic Airways deal was found by Cheapflights users on 9/13. 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/244:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Wed 10/2210:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 9/13$510
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:15 pmLAX - LGW
1 stop20h 10mMultiple Airlines
Sat 11/226:55 amLGW - LAX
1 stop21h 30mMultiple Airlines
Deal found 9/15$511

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 September 15, 2025.
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

Sun 11/9

8:45 am-11:30 am

2 stops18h 45m

London Stansted

Tue 11/18

8:25 pm-4:35 pm

2 stops28h 10m

$519

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

Thu 11/13

1:00 pm-9:05 pm

1 stop24h 05m

London Luton

Thu 11/20

9:50 pm-3:15 pm

1 stop25h 25m

$527

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 10/30

9:30 pm-6:30 pm

2 stops38h 00m

London Heathrow

Sun 11/2

5:00 pm-2:35 pm

1 stop29h 35m

$533

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Tue 11/11

8:45 am-1:50 pm

2 stops21h 05m

London Stansted

Tue 11/18

8:25 pm-4:35 pm

2 stops28h 10m

$537

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 10/22

3:30 pm-6:30 pm

2 stops19h 00m

London Heathrow

Wed 11/12

9:05 pm-2:35 pm

2 stops25h 30m

$541

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 10/20

3:30 pm-5:40 pm

2 stops18h 10m

London Heathrow

Thu 10/30

7:05 am-7:25 pm

2 stops19h 20m

$548

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Tue 11/18

6:50 pm-10:35 pm

1 stop19h 45m

London Gatwick

Sun 11/23

7:25 am-12:30 pm

1 stop37h 05m

$548

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 9/24

4:40 pm-11:10 am

Nonstop10h 30m

London Heathrow

Wed 10/22

8:40 am-4:30 pm

1 stop15h 50m

$554

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 9/30

6:15 am-9:50 am

1 stop19h 35m

London Heathrow

Tue 10/7

6:30 am-12:00 pm

1 stop13h 30m

$554

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 10/1

11:03 am-11:20 am

1 stop16h 17m

London Heathrow

Mon 10/13

7:15 pm-12:00 pm

1 stop24h 45m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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, November is the cheapest month in which you can book a flight from California to London (average of $661). Flying from California to London in June is currently the most expensive (average of $1,097). 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to London as you normally would.

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 September 15, 2025.

The most flights from USCA to LON are scheduled on a Wednesday (57 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (52 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 $179. Users have also found prices from $180 and $287 on TAP AIR PORTUGAL and WestJet, 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: KLM (94%), Air France (94%), Delta( 94%).

  • What are the cheapest flights from California to London?

    The cheapest flight price from California to London is $347. On average you can expect to pay $3,098. The most popular route, (Los Angeles - London Heathrow), can usually be booked for $479.

  • 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, November is the cheapest month in which you can book a flight from California to London (average of $661). Flying from California to London in June is currently the most expensive (average of $1,097). 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
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$195Average$892FlexibilityNo cancel feeOn-time62%
WestJetCheapest$272Average$1,046FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$334Average$655FlexibilityNo cancel feeOn-time77%
SWISSCheapest$336Average$845FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$360Average$681FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$363Average$803FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$375Average$613FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$469Average$867FlexibilityNo cancel feeOn-time72%
Aer LingusCheapest$475Average$772FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$490Average$707FlexibilityNo cancel feeOn-time76%

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