London

$265+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
Apr 2 — Apr 91
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$584
(Kiwi.com)

One-way from

$265
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$676

Good round-trip deal

$624 or less

Good one-way deal

$289 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. 14% potential increase in price ($124 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in March 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 March 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/277:45 pmLAX - LGW
1 stop14h 55mMultiple Airlines
Wed 5/79:20 pmLGW - LAX
1 stop21h 35mMultiple Airlines
Deal found 3/25$584
This FlightHub deal was found by Cheapflights users on 3/28. 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.
Wed 10/17:30 pmLAX - LHR
1 stop15h 00mScandinavian Airlines
Tue 10/77:05 amLHR - LAX
2 stops17h 15mScandinavian Airlines
Deal found 3/28$585
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/79:25 pmLAX - LTN
1 stop16h 50mMultiple Airlines
Sun 5/42:10 pmLTN - LAX
3 stops41h 33mMultiple Airlines
Deal found 3/27$585
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:20 pmLAS - LHR
2 stops26h 15mScandinavian Airlines
Mon 5/127:05 amLHR - LAS
2 stops25h 13mScandinavian Airlines
Deal found 3/27$587
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Fri 9/194:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Fri 9/2610:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 3/27$587
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 4/1410:45 pmLAX - LHR
1 stop23h 50mAir Canada
Fri 4/2510:15 amLHR - LAX
2 stops16h 53mAir Canada
Deal found 3/27$599
This FlightHub deal was found by Cheapflights users on 3/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/48:15 pmLAX - LHR
1 stop14h 40mAer Lingus
Thu 5/2212:00 pmLHR - LAX
1 stop14h 25mAer Lingus
Deal found 3/26$604
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 7/224:40 pmLAX - LHR
1 stop18h 10mTAP AIR PORTUGAL
Tue 8/196:00 amLHR - LAX
1 stop16h 40mTAP AIR PORTUGAL
Deal found 3/27$606
This Gurufare deal was found by Cheapflights users on 3/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:20 pmSFO - LGW
1 stop33h 25mTAP AIR PORTUGAL
Tue 10/1410:35 amLGW - SFO
1 stop36h 00mTAP AIR PORTUGAL
Deal found 3/27$606
This oojo deal was found by Cheapflights users on 3/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/157:40 pmSFO - LHR
1 stop18h 00mScandinavian Airlines
Tue 5/69:05 pmLHR - SFO
2 stops27h 25mScandinavian Airlines
Deal found 3/27$606
This Iberia deal was found by Cheapflights users on 3/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/161:20 pmLAX - LHR
Nonstop10h 40mIberia
Wed 4/3011:40 amLHR - LAX
Nonstop11h 15mIberia
Deal found 3/26$607
This CrystalTravel deal was found by Cheapflights users on 3/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/24:35 pmSFO - LHR
1 stop12h 45mMultiple Airlines
Tue 4/158:45 amLHR - SFO
1 stop15h 25mMultiple Airlines
Deal found 3/27$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 March 28, 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

Thu 8/28

7:30 pm-9:40 pm

1 stop18h 10m

London Heathrow

Sun 8/31

10:20 am-4:20 pm

1 stop14h 00m

$584

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Sun 4/27

7:45 pm-6:40 pm

1 stop14h 55m

London Gatwick

Wed 5/7

9:20 pm-10:55 am

1 stop21h 35m

$584

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

Mon 4/7

9:25 pm-10:15 pm

1 stop16h 50m

London Luton

Sun 5/4

2:10 pm-11:43 pm

3 stops41h 33m

$585

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Fri 9/19

4:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Fri 9/26

10:55 am-2:10 pm

Nonstop11h 15m

$587

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 5/9

11:20 pm-9:35 am

2 stops26h 15m

London Heathrow

Mon 5/12

7:05 am-12:18 am

2 stops25h 13m

$587

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 4/14

10:45 pm-6:35 am

1 stop23h 50m

London Heathrow

Fri 4/25

10:15 am-7:08 pm

2 stops16h 53m

$599

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 7/22

4:40 pm-6:50 pm

1 stop18h 10m

London Heathrow

Tue 8/19

6:00 am-2:40 pm

1 stop16h 40m

$606

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 4/16

1:20 pm-10:30 am

1 stop13h 10m

London Heathrow

Wed 4/30

3:30 pm-10:59 pm

1 stop15h 29m

$621

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 4/7

7:35 pm-5:50 pm

1 stop14h 15m

London Heathrow

Fri 4/25

8:40 am-4:30 pm

1 stop15h 50m

$630

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 4/30

5:45 pm-2:55 pm

1 stop13h 10m

London Heathrow

Tue 5/6

7:40 am-3:55 pm

1 stop16h 15m

$633

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 $1,115). 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 March 28, 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.

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 March 28, 2025.
Get a feel of what it's like to fly with Delta, Alaska 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

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

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

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

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

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

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

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

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

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

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

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

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 $272. Users have also found prices from $294 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 France (91%), Delta (91%), Aeromexico( 91%).

  • 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 $3,229. The most popular route, (Los Angeles - London Heathrow), can usually be booked for $504.

  • 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 $1,115). 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
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Gatwick
Dover
Orpington
Watford
Milton Keynes
Croydon
Borehamwood
Bromley
Folkestone
Ilford
Aylesbury
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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$807FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$316Average$589FlexibilityNo cancel feeOn-time77%
Norse Atlantic UKCheapest$379Average$677FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$418Average$830FlexibilityNo cancel feeOn-time72%
TAP AIR PORTUGALCheapest$428Average$588FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$447Average$608FlexibilityNo cancel feeOn-time77%
KLMCheapest$463Average$857FlexibilityNo cancel feeOn-time75%
FinnairCheapest$465Average$723FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$475Average$1,012FlexibilityNo cancel feeOn-time76%
DeltaCheapest$482Average$851FlexibilityNo cancel feeOn-timeN/A
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