London

$168+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
Aug 5 — Aug 121
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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 July 31, 2025.

Round-trip from

$506
(Iberia)

One-way from

$168
(Booking.com)

Popular in

December

Cheapest in

October

Average price

$779

Good round-trip deal

$424 or less

Good one-way deal

$156 or less
From California to London (LON)
One-way flight from California to London (LON)
Highest demand for flights based on searches. 10% potential increase in price ($86 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in July 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 July 31, 2025.

This Iberia deal was found by Cheapflights users on 7/31. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/248:00 amLAX - LHR
1 stop16h 05mIberia
Tue 9/28:50 pmLHR - LAX
2 stops34h 09mIberia
Deal found 7/31$506
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/234:13 pmLAX - LHR
1 stop33h 27mUnited Airlines
Tue 9/29:30 amLHR - LAX
1 stop33h 35mUnited Airlines
Deal found 7/31$507
This United deal was found by Cheapflights users on 7/31. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2011:00 amLAX - LHR
1 stop17h 20mMultiple Airlines
Wed 8/276:50 amLHR - LAX
2 stops20h 50mMultiple Airlines
Deal found 7/31$508
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/104:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Fri 9/1910:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 7/30$510
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Mon 9/228:05 amLAX - STN
2 stops19h 45mMultiple Airlines
Mon 9/299:30 pmSTN - LAX
3 stops30h 10mMultiple Airlines
Deal found 7/29$510
This British Airways deal was found by Cheapflights users on 7/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/153:40 pmLAX - LHR
Nonstop10h 25mBritish Airways
Tue 10/2111:40 amLHR - LAX
Nonstop11h 15mBritish Airways
Deal found 7/30$511
This CheapOair deal was found by Cheapflights users on 7/30. 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.
Wed 10/159:25 pmLAX - LGW
1 stop17h 10mMultiple Airlines
Wed 10/2210:55 amLGW - LAX
Nonstop11h 15mMultiple Airlines
Deal found 7/30$511
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/209:48 amLAX - LHR
1 stop16h 02mDelta
Wed 8/279:00 amLHR - LAX
1 stop17h 10mDelta
Deal found 7/31$512
This SWISS deal was found by Cheapflights users on 7/31. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:35 pmLAX - LGW
1 stop14h 20mSWISS
Wed 10/156:35 pmLGW - LAX
1 stop29h 55mSWISS
Deal found 7/31$512
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 10/87:35 pmLAX - LCY
1 stop13h 40mSWISS
Wed 10/229:25 amLCY - LAX
1 stop15h 05mSWISS
Deal found 7/29$515
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/810:54 amLAX - LHR
1 stop18h 26mAir Canada
Wed 10/229:30 amLHR - LAX
2 stops19h 58mAir Canada
Deal found 7/29$517
This Connections by easyJet deal was found by Cheapflights users on 7/28. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:25 pmLAX - LTN
1 stop17h 10mMultiple Airlines
Tue 10/143:25 pmLTN - LAX
1 stop35h 40mMultiple Airlines
Deal found 7/28$518

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 July 31, 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 - LHR

LAXLHR

Los Angeles

Sun 8/24

8:00 am-8:05 am

1 stop16h 05m

London Heathrow

Tue 9/2

8:50 pm-10:59 pm

2 stops34h 09m

$506

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sat 8/23

4:13 pm-9:40 am

1 stop33h 27m

London Heathrow

Tue 9/2

9:30 am-11:05 am

1 stop33h 35m

$507

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 8/20

11:00 am-12:20 pm

1 stop17h 20m

London Heathrow

Wed 8/27

6:50 am-7:40 pm

2 stops20h 50m

$508

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 8/12

1:30 pm-8:00 am

Nonstop10h 30m

London Heathrow

Tue 8/26

11:40 am-2:55 pm

Nonstop11h 15m

$510

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Wed 9/10

7:50 pm-10:25 pm

1 stop18h 35m

London Gatwick

Tue 9/23

9:45 pm-6:05 pm

1 stop28h 20m

$510

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Mon 9/22

8:05 am-11:50 am

2 stops19h 45m

London Stansted

Mon 9/29

9:30 pm-7:40 pm

3 stops30h 10m

$510

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Wed 10/15

9:25 pm-10:35 pm

1 stop17h 10m

London Gatwick

Wed 10/22

10:55 am-2:10 pm

Nonstop11h 15m

$511

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 8/20

9:48 am-9:50 am

1 stop16h 02m

London Heathrow

Wed 8/27

9:00 am-6:10 pm

1 stop17h 10m

$512

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Wed 10/1

7:35 pm-5:55 pm

1 stop14h 20m

London Gatwick

Wed 10/15

6:35 pm-4:30 pm

1 stop29h 55m

$512

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Thu 9/4

4:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Sun 9/14

10:55 am-2:10 pm

Nonstop11h 15m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 July 31, 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 July 31, 2025.

The most flights from USCA to LON are scheduled on a Monday (60 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (45 on average).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Austrian Airlines from California to London to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $168. Users have also found prices from $177 and $234 on Norse Atlantic UK 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 (89%), Air France (89%), Delta( 89%).

  • What are the cheapest flights from California to London?

    The cheapest flight price from California to London is $377. On average you can expect to pay $3,320. The most popular route, (Los Angeles - London Heathrow), can usually be booked for $425.

  • 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
Thornton Heath
Harrow
Canterbury
Dover
Orpington
Watford
Gatwick
Borehamwood
Dartford
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Eastbourne

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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$195Average$863FlexibilityNo cancel feeOn-time62%
WestJetCheapest$272Average$1,046FlexibilityNo cancel feeOn-time60%
SWISSCheapest$336Average$834FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$336Average$649FlexibilityNo cancel feeOn-time77%
Norse Atlantic UKCheapest$362Average$686FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$375Average$627FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$427Average$779FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$476Average$768FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$514Average$823FlexibilityNo cancel feeOn-time70%
FinnairCheapest$540Average$693FlexibilityNo cancel feeOn-time76%

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