London

$216+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
Jun 17 — Jun 241
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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 June 12, 2025.

Round-trip from

$594
(United Airlines)

One-way from

$216
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$836

Good round-trip deal

$530 or less

Good one-way deal

$193 or less
From California to London (LON)
One-way flight from California to London (LON)
Highest demand for flights based on searches. 9% potential increase in price ($75 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 12, 2025.

This Air Canada deal was found by Cheapflights users on 6/12. 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.
Sun 8/315:10 amLAX - LHR
2 stops22h 40mAir Canada
Sun 9/75:40 pmLHR - LAX
2 stops31h 28mAir Canada
Deal found 6/12$594
This CheapOair deal was found by Cheapflights users on 6/11. 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.
Mon 9/87:45 pmLAX - LGW
1 stop15h 25mMultiple Airlines
Fri 9/1910:55 amLGW - LAX
Nonstop11h 15mMultiple Airlines
Deal found 6/11$594
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 7/168:05 amLAX - LHR
1 stop14h 25mUnited Airlines
Tue 8/121:05 pmLHR - LAX
Nonstop11h 05mUnited Airlines
Deal found 6/11$595
This Connections by easyJet deal was found by Cheapflights users on 6/12. 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.
Sun 10/59:25 pmLAX - LTN
1 stop27h 50mMultiple Airlines
Thu 10/97:30 pmLTN - LAX
1 stop31h 35mMultiple Airlines
Deal found 6/12$595
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:35 pmLAX - LCY
1 stop32h 55mSWISS
Wed 8/209:25 amLCY - LAX
1 stop15h 05mSWISS
Deal found 6/12$596
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/24:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Sun 8/1710:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 6/10$597
This CheapOair deal was found by Cheapflights users on 6/11. 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.
Thu 9/47:35 pmLAX - LGW
1 stop14h 15mSWISS
Sat 9/136:40 pmLGW - LAX
1 stop29h 50mSWISS
Deal found 6/11$599
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
Sun 10/268:20 pmLAX - LHR
Nonstop10h 40mBritish Airways
Fri 11/73:05 pmLHR - LAX
Nonstop11h 20mBritish Airways
Deal found 6/12$602
This Travelocity deal was found by Cheapflights users on 6/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/155:50 pmLAX - LGW
2 stops20h 45mBritish Airways
Thu 7/243:05 pmLGW - LAX
1 stop25h 54mBritish Airways
Deal found 6/10$606
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Wed 8/68:05 amLAX - STN
2 stops30h 25mMultiple Airlines
Wed 8/136:35 pmSTN - LAX
2 stops33h 05mMultiple Airlines
Deal found 6/11$606
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/24:50 pmLAX - LHR
1 stop13h 00mKLM
Mon 9/86:30 amLHR - LAX
1 stop13h 20mKLM
Deal found 6/11$607
This Delta deal was found by Cheapflights users on 6/12. 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.
Tue 7/810:10 amLAX - LHR
1 stop16h 50mDelta
Tue 7/2912:25 pmLHR - LAX
1 stop15h 58mDelta
Deal found 6/12$609

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 June 12, 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 8/31

5:10 am-11:50 am

2 stops22h 40m

London Heathrow

Tue 9/9

5:40 pm-12:58 pm

2 stops27h 18m

$594

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Mon 9/8

7:45 pm-7:10 pm

1 stop15h 25m

London Gatwick

Fri 9/19

10:55 am-2:10 pm

Nonstop11h 15m

$594

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 7/16

8:05 am-6:30 am

1 stop14h 25m

London Heathrow

Tue 8/12

1:05 pm-4:10 pm

Nonstop11h 05m

$595

Los AngelesLondon

LAX - LCY

LAXLCY

Los Angeles

Mon 8/4

7:35 pm-12:30 pm

1 stop32h 55m

London City

Wed 8/20

9:25 am-4:30 pm

1 stop15h 05m

$596

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Sat 8/2

4:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Sun 8/17

10:55 am-2:10 pm

Nonstop11h 15m

$597

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

Wed 8/13

8:05 am-3:25 pm

2 stops23h 20m

London Luton

Mon 8/18

12:50 pm-4:30 pm

2 stops35h 40m

$598

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Thu 9/4

7:35 pm-5:50 pm

1 stop14h 15m

London Gatwick

Sun 9/14

6:40 pm-4:30 pm

1 stop29h 50m

$598

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 7/20

3:30 pm-10:00 am

Nonstop10h 30m

London Heathrow

Thu 7/31

10:55 am-11:51 pm

1 stop20h 56m

$600

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Tue 7/15

5:50 pm-10:35 pm

2 stops20h 45m

London Gatwick

Thu 7/24

3:05 pm-8:59 am

1 stop25h 54m

$606

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sat 8/2

4:50 pm-1:50 pm

1 stop13h 00m

London Heathrow

Mon 9/8

6:30 am-11:50 am

1 stop13h 20m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $1,108). 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 June 12, 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 June 12, 2025.

The most flights from USCA to LON are scheduled on a Monday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (44 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Delta, Alaska Airlines and Porter Airlines from California to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 Norse Atlantic UK. According to our data, you can fly for as low as $221. Users have also found prices from $233 and $296 on TAP AIR PORTUGAL and A.P.G., 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 (83%), Austrian Airlines (83%), United Airlines( 83%).

  • What are the cheapest flights from California to London?

    The cheapest flight price from California to London is $391. On average you can expect to pay $3,330. The most popular route, (Los Angeles - London Heathrow), can usually be booked for $433.

  • 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 $1,108). 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 California?

Book flights to California if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Sutton
Aylesbury
Chelmsford
Brentwood
Chichester
Wembley
Arundel

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$933FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$332Average$651FlexibilityNo cancel feeOn-time77%
SWISSCheapest$336Average$826FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$395Average$688FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$418Average$841FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$430Average$646FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$449Average$993FlexibilityNo cancel feeOn-time76%
FinnairCheapest$465Average$695FlexibilityNo cancel feeOn-time76%
KLMCheapest$486Average$834FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$487Average$634FlexibilityNo cancel feeOn-timeN/A

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