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Cheap flights from California to London from £206

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
1 Apr — 8 Apr1
1 adult

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 27 March 2025.

Round-trip from

£452

One-way from

£206

Popular in

June

Cheapest in

October

Average price

£524

Good round-trip deal

£400 or less

Good one-way deal

£243 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 28/8-31/8
  • 2 total stops
  • 32h 10m total
  • California to London
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5/4
  • 5/4
  • 1 total stop
  • 29h 30m total
  • California to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£74 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from California to London (LON).
Search Deals
Price to beat on a one-way flight from California to London (LON).
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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 27 March 2025.

Thu 28/819:30LAX - LHR
1 stop18h 10mScandinavian Airlines
Sun 31/810:20LHR - LAX
1 stop14h 00mScandinavian Airlines
Deal found 26/3£452
Sun 27/419:45LAX - LGW
1 stop14h 55mMultiple Airlines
Wed 7/521:20LGW - LAX
1 stop21h 35mMultiple Airlines
Deal found 25/3£452
Mon 7/421:25LAX - LTN
1 stop16h 50mMultiple Airlines
Sun 4/514:10LTN - LAX
3 stops41h 33mMultiple Airlines
Deal found 27/3£453
Fri 9/523:20LAS - LHR
2 stops26h 15mScandinavian Airlines
Mon 12/507:05LHR - LAS
2 stops25h 13mScandinavian Airlines
Deal found 27/3£455
Fri 19/916:30LAX - LGW
Nonstop10h 25mNorse Atlantic UK
Fri 26/910:55LGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 27/3£455
Mon 14/422:45LAX - LHR
1 stop23h 50mAir Canada
Fri 25/410:15LHR - LAX
2 stops16h 53mAir Canada
Deal found 27/3£464
Tue 13/519:40SFO - LHR
1 stop14h 00mScandinavian Airlines
Sun 18/519:30LHR - SFO
1 stop29h 00mScandinavian Airlines
Deal found 25/3£469
Tue 22/716:40LAX - LHR
1 stop18h 10mTAP AIR PORTUGAL
Tue 19/806:00LHR - LAX
1 stop16h 40mTAP AIR PORTUGAL
Deal found 27/3£470
Wed 1/1016:20SFO - LGW
1 stop33h 25mTAP AIR PORTUGAL
Tue 14/1010:35LGW - SFO
1 stop36h 00mTAP AIR PORTUGAL
Deal found 26/3£470
Wed 2/416:35SFO - LHR
1 stop12h 45mMultiple Airlines
Tue 15/408:45LHR - SFO
1 stop15h 25mMultiple Airlines
Deal found 27/3£472
Sun 27/419:45LAX - LHR
1 stop34h 30mMultiple Airlines
Fri 9/515:05LHR - LAX
1 stop36h 00mMultiple Airlines
Deal found 26/3£478
Sun 6/422:30SFO - LGW
1 stop27h 30mMultiple Airlines
Tue 22/414:00LGW - SFO
2 stops30h 06mMultiple Airlines
Deal found 26/3£479

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 27 March 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 28/8

19:30-21:40

1 stop18h 10m

London Heathrow

Sun 31/8

10:20-16:20

1 stop14h 00m

£452

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Sun 27/4

19:45-18:40

1 stop14h 55m

London Gatwick

Wed 7/5

21:20-10:55

1 stop21h 35m

£452

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

Mon 7/4

21:25-22:15

1 stop16h 50m

London Luton

Sun 4/5

14:10-23:43

3 stops41h 33m

£453

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Fri 19/9

16:30-10:55

Nonstop10h 25m

London Gatwick

Fri 26/9

10:55-14:10

Nonstop11h 15m

£455

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 9/5

23:20-09:35

2 stops26h 15m

London Heathrow

Mon 12/5

07:05-00:18

2 stops25h 13m

£455

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 14/4

22:45-06:35

1 stop23h 50m

London Heathrow

Fri 25/4

10:15-19:08

2 stops16h 53m

£464

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 22/7

16:40-18:50

1 stop18h 10m

London Heathrow

Tue 19/8

06:00-14:40

1 stop16h 40m

£470

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 22/9

16:20-15:35

1 stop15h 15m

London Gatwick

Mon 29/9

21:15-14:35

2 stops25h 20m

£474

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 16/4

13:20-10:30

1 stop13h 10m

London Heathrow

Wed 30/4

15:30-22:59

1 stop15h 29m

£481

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 6/4

16:35-13:20

1 stop12h 45m

London Heathrow

Tue 22/4

14:10-20:51

1 stop14h 41m

£482

Flights are sorted by cheapest return flights first.

Deals found on 26/3

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 return 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, January is the cheapest month in which you can book a flight from California to London (average of £112). Flying from California to London in August is currently the most expensive (average of £164). 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 27 March 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 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 27 March 2025.
See what other customers who have flown with Delta, KLM and Finnair from California to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

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.
Delta
8.0
Very Good
7,895 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

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.
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

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.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

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.
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

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.
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

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

    One-way options have recently been found by users for as low as £207 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Norse Atlantic UK from £217 and British Airways from £230 one-way.

  • What are the most popular routes from California to London?

    The most popular flight routes from California to London are Los Angeles - London Heathrow, San Francisco - London Heathrow and Los Angeles - London City.

  • 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?

    Looking for the cheapest flight from California to London? While on average our users pay £2,319, our data indicates the cheapest price to be £291. The most popular route (Los Angeles - London Heathrow), is priced around £390.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from California to London (average of £112). Flying from California to London in August is currently the most expensive (average of £164). 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

Travelling to a place near California?

Book flights to California if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Luton
Slough
Eastbourne
Wembley
Hayes
Ilford
Crawley
Southend-on-Sea
Winchester
Maidstone
Ipswich
Watford
Southall
Dartford
Folkestone

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for California to London

See prices for flight routes from nearby airports that may be better suited for you.
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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 858,174 searches. Data last updated 27 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£316Average£464FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Norse Atlantic UKCheapest£373Average£569FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
FinnairCheapest£379Average£664FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£396Average£537FlexibilityNo cancel feeOn-time75%
Search KLM flights
TAP AIR PORTUGALCheapest£407Average£423FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air FranceCheapest£409Average£558FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£429Average£620FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£435Average£719FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£445Average£566FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£448Average£665FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from California to London?

Deals for California to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from California to London?

Cheapflights helps you find that perfect flight to London from California by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from California to London with no change fees?

Yes, we can. To see specific flights from California to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from California to London become cheaper?

Yes, Cheapflights offers price alerts on California to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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