London

$170+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
Apr 22 — Apr 291
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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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$440
(Norse Atlantic Airways)

One-way from

$170
(CheapOair)

Popular in

December

Cheapest in

October

Average price

$671

Good round-trip deal

$511 or less

Good one-way deal

$242 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. 6% potential increase in price ($48 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 17, 2025.

This Norse Atlantic Airways deal was found by Cheapflights users on 4/16. 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 8/84:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Sat 8/3010:45 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 4/16$440
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/114:30 pmLAX - LGW
Nonstop10h 25mMultiple Airlines
Sun 5/257:40 amLGW - LAX
1 stop17h 50mMultiple Airlines
Deal found 4/15$532
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/195:05 pmLAX - LHR
Nonstop10h 30mIberia
Fri 10/32:45 pmLHR - LAX
Nonstop11h 20mIberia
Deal found 4/15$568
This Vliegwinkel deal was found by Cheapflights users on 4/15. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/114:30 pmLAX - LGW
Nonstop10h 25mA.P.G.
Sun 5/2510:55 amLGW - LAX
Nonstop11h 15mA.P.G.
Deal found 4/15$577
This FlightHub deal was found by Cheapflights users on 4/16. 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.
Thu 5/18:15 pmLAX - LHR
1 stop14h 40mAer Lingus
Sat 5/107:40 amLHR - LAX
1 stop18h 45mAer Lingus
Deal found 4/16$589
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/16. 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.
Tue 9/234:40 pmLAX - LHR
1 stop18h 10mTAP AIR PORTUGAL
Thu 10/96:45 pmLHR - LAX
1 stop27h 50mTAP AIR PORTUGAL
Deal found 4/16$590
This Booking.com deal was found by Cheapflights users on 4/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1610:50 pmLAX - LHR
Nonstop10h 25mVirgin Atlantic
Fri 5/239:55 amLHR - LAX
Nonstop11h 20mVirgin Atlantic
Deal found 4/16$591
This Bravofly deal was found by Cheapflights users on 4/15. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/113:30 pmLAX - LHR
Nonstop10h 30mAir France
Wed 5/219:00 amLHR - LAX
1 stop15h 05mAir France
Deal found 4/15$593
This Connections by easyJet deal was found by Cheapflights users on 4/15. 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.
Wed 4/309:25 pmLAX - LTN
1 stop17h 10mMultiple Airlines
Sat 5/106:05 amLTN - LAX
1 stop21h 00mMultiple Airlines
Deal found 4/15$593
This Scandinavian Airlines deal was found by Cheapflights users on 4/16. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/94:40 pmSFO - LHR
1 stop17h 50mScandinavian Airlines
Sun 11/169:05 pmLHR - SFO
2 stops25h 30mScandinavian Airlines
Deal found 4/16$595
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/412:05 pmLAX - LHR
1 stop13h 55mMultiple Airlines
Sat 5/107:30 pmLHR - LAX
1 stop25h 35mMultiple Airlines
Deal found 4/15$597
This Delta deal was found by Cheapflights users on 4/16. 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.
Sat 5/178:05 pmLAX - LHR
Nonstop10h 30mDelta
Sat 5/316:30 amLHR - LAX
1 stop16h 20mDelta
Deal found 4/16$599

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 April 17, 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 - LGW

LAXLGW

Los Angeles

Sun 5/11

4:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Sun 5/25

7:40 am-5:30 pm

1 stop17h 50m

$532

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Wed 5/28

4:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Thu 6/12

10:45 am-2:00 pm

Nonstop11h 15m

$552

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 9/19

5:05 pm-11:35 am

Nonstop10h 30m

London Heathrow

Fri 10/3

2:45 pm-6:05 pm

Nonstop11h 20m

$568

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Sun 5/11

4:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Sun 5/25

10:55 am-2:10 pm

Nonstop11h 15m

$577

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 5/1

8:15 pm-6:55 pm

1 stop14h 40m

London Heathrow

Wed 5/7

9:50 am-6:25 pm

1 stop16h 35m

$589

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 9/23

4:40 pm-6:50 pm

1 stop18h 10m

London Heathrow

Thu 10/9

6:45 pm-2:35 pm

1 stop27h 50m

$590

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 5/16

7:30 pm-4:00 pm

1 stop36h 30m

London Heathrow

Mon 5/19

7:05 am-4:20 pm

2 stops41h 15m

$591

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 5/11

3:30 pm-10:00 am

Nonstop10h 30m

London Heathrow

Wed 5/21

9:00 am-4:05 pm

1 stop15h 05m

$593

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

Wed 4/30

9:25 pm-10:35 pm

1 stop17h 10m

London Luton

Sat 5/10

6:05 am-7:05 pm

1 stop21h 00m

$593

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sat 5/17

3:30 pm-10:00 am

Nonstop10h 30m

London Heathrow

Wed 6/4

11:30 am-6:10 pm

1 stop14h 40m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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 $1,110). 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 April 17, 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 April 17, 2025.

The most flights from USCA to LON are scheduled on a Monday (58 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 April 17, 2025.
Get a feel of what it's like to fly with Delta, Porter Airlines and KLM 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

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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 $170. Users have also found prices from $273 and $305 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: 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 $418. On average you can expect to pay $2,897. The most popular route, (Los Angeles - London Heathrow), can usually be booked for $451.

  • 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 $1,110). 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
Horley
Wembley
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
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Chelmsford
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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$933FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$325Average$640FlexibilityNo cancel feeOn-time77%
Norse Atlantic UKCheapest$385Average$678FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$418Average$850FlexibilityNo cancel feeOn-time72%
TAP AIR PORTUGALCheapest$428Average$589FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$447Average$646FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$452Average$1,054FlexibilityNo cancel feeOn-time76%
KLMCheapest$463Average$821FlexibilityNo cancel feeOn-time75%
FinnairCheapest$465Average$711FlexibilityNo cancel feeOn-time76%
SWISSCheapest$533Average$833FlexibilityNo cancel feeOn-time79%

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