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Cheap flights from London to California from £275

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
28 Dec — 4 Jan1
1 adult

Cheap flight deals from London to California

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to California (USCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 December 2024.

Round-trip from

£405

One-way from

£275
United Airlines
  • United Airlines
  • 4/2-11/2
  • 4 total stops
  • 47h 14m total
  • London to California
WestJet
  • WestJet
  • 15/1
  • 1 total stop
  • 31h 06m total
  • London to California

Find flight deals from London to California

Cheapest flights from London to California
Explore the most affordable flight options available from London to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2024.

Sun 29/1206:30LHR - SFO
1 stop21h 35mLufthansa
Sat 11/116:35SFO - LHR
1 stop12h 55mLufthansa
Deal found 21/12£421
Sun 29/1209:30LHR - SFO
1 stop18h 35mUnited Airlines
Sat 11/107:00SFO - LHR
1 stop19h 10mUnited Airlines
Deal found 22/12£425
Mon 30/1211:35LHR - ONT
1 stop13h 51mLufthansa
Tue 14/110:47ONT - LHR
1 stop17h 13mLufthansa
Deal found 22/12£430
Tue 31/1216:10LHR - LAX
1 stop25h 30mDelta
Mon 10/212:25LAX - LHR
1 stop14h 10mDelta
Deal found 23/12£430
Tue 31/1209:10LHR - LAX
1 stop20h 00mKLM
Sun 23/222:20LAX - LHR
Nonstop10h 20mKLM
Deal found 22/12£433
Tue 31/1212:50LHR - LAX
1 stop19h 06mLufthansa
Sat 1/219:00LAX - LHR
Nonstop10h 30mLufthansa
Deal found 23/12£433
Mon 30/1211:35LHR - LAX
1 stop15h 52mUnited Airlines
Wed 22/108:20LAX - LHR
2 stops15h 10mUnited Airlines
Deal found 23/12£435
Sun 29/1210:45LHR - SFO
1 stop21h 43mVirgin Atlantic
Sat 11/113:40SFO - LHR
1 stop12h 20mVirgin Atlantic
Deal found 22/12£436
Sun 29/1206:30LHR - SFO
1 stop21h 35mMultiple Airlines
Sat 11/119:25SFO - LHR
1 stop18h 15mMultiple Airlines
Deal found 22/12£437
Sun 29/1213:45LHR - SFO
Nonstop11h 10mAustrian Airlines
Sat 11/112:50SFO - LHR
Nonstop10h 35mAustrian Airlines
Deal found 21/12£440
Tue 31/1216:05LHR - LAX
1 stop24h 12mFinnair
Sat 25/120:55LAX - LHR
Nonstop10h 30mFinnair
Deal found 23/12£445
Mon 30/1216:00LHR - LGB
2 stops34h 49mVirgin Atlantic
Sat 11/107:10LGB - LHR
2 stops39h 10mVirgin Atlantic
Deal found 23/12£447

Find flights from London to California within your budget

Customise your flight search to find flights from London to California 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 23 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 4/2

09:30-09:51

2 stops32h 21m

Ontario

Tue 11/2

10:47-09:40

2 stops14h 53m

£405

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 10/2

08:30-21:57

2 stops21h 27m

Ontario

Tue 18/2

05:05-06:30

2 stops17h 25m

£409

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

Mon 13/1

15:50-21:45

2 stops37h 55m

Long Beach Municipal

Mon 27/1

07:10-10:00

1 stop18h 50m

£410

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 10/2

11:10-20:51

2 stops17h 41m

Ontario

Tue 18/2

15:30-07:25

1 stop31h 55m

£411

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 13/1

14:30-22:52

1 stop16h 22m

Ontario

Mon 27/1

13:00-10:35

1 stop13h 35m

£418

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 12/2

06:30-12:35

1 stop14h 05m

San Francisco

Wed 9/4

00:43-07:40

1 stop22h 57m

£418

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 5/2

06:30-12:35

1 stop14h 05m

San Francisco

Sat 22/2

12:50-07:25

Nonstop10h 35m

£420

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 20/1

18:45-16:25

1 stop29h 40m

San Francisco

Mon 27/1

19:25-17:50

1 stop14h 25m

£421

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 3/2

13:50-22:45

1 stop16h 55m

Ontario

Thu 13/2

14:54-12:05

1 stop13h 11m

£421

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 28/3

09:55-21:03

2 stops42h 08m

San Francisco

Wed 9/4

16:35-11:00

Nonstop10h 25m

£422

Flights are sorted by cheapest return flights first.

Deals found on 21/12

Showing 1-10 of 60 results
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Best time to book a flight from London to California

Have a flexible travel schedule? Discover the best time to fly to California from London 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.

Travel insights for flights from London to California

Get recent, data-driven insights about flights from London to California including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from London to California?

Currently, January is the cheapest month in which you can book a flight from London to California (average of £575). Flying from London to California in July is currently the most expensive (average of £811). 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 LON to CA?

Find hourly flight availability from London to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 December 2024.

When flying from London to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London to California

Explore weekly flight availability from London to California. 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 23 December 2024.

The most flights from LON to USCA are scheduled on a Saturday (54 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (42 on average).

Rainfall in California by month

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

In terms of precipitation, rainfall in California ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

Temperature in California by month

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

If weather is an important factor for your trip to California, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. 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 California. Reviews last updated 23 December 2024.
Read reviews from past customers who have flown SWISS, WestJet and Brussels Airlines from London to California. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,588 reviews

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very Good
8,588 reviews
8.0
Very Good
8,588 reviews

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very Good
491 reviews
8.0
Very Good
8,588 reviews

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.8
Good
1,345 reviews
8.0
Very Good
8,588 reviews

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.8
Good
386 reviews
8.0
Very Good
8,588 reviews

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.7
Good
1,285 reviews
8.0
Very Good
8,588 reviews

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from London to California. 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 London to California one-way?

    The cheapet airlines for a one-way flight from London to California are WestJet (£275), Aer Lingus (£360), and Norse Atlantic UK (£366).

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

  • What are the most reliable airlines from London to California?

    No one likes to see their flight delayed. When booking a flight from London to California consider choosing SriLankan Airlines (84%), Malaysia Airlines (78%) or Fiji Airways (77%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to California?

    The cheapest flight price from London to California is £436. On average you can expect to pay £2,232. The most popular route, (London Heathrow - Los Angeles), can usually be booked for £382.

  • Can I find deals for flights from London to California that include hotel bookings?

    Yes. In addition to deals on London to California flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to California.

  • Can I find deals for business class flights from London to California?

    Yes. Cheapflights offers flight deals from London to California 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 London to California?

    Currently, January is the cheapest month in which you can book a flight from London to California (average of £575). Flying from London to California in July is currently the most expensive (average of £811). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to California

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from London to California

Discover the top 10 airlines that operate flights from London to California. 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 23 December 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£308Average£547FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Norse Atlantic UKCheapest£312Average£552FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Air CanadaCheapest£320Average£489FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£338Average£485FlexibilityNo cancel feeOn-time77%
Search Air France flights
Brussels AirlinesCheapest£352Average£480FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Scandinavian AirlinesCheapest£359Average£627FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£369Average£501FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£370Average£646FlexibilityNo cancel feeOn-time75%
Search KLM flights
Austrian AirlinesCheapest£379Average£518FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
SWISSCheapest£383Average£577FlexibilityNo cancel feeOn-time79%
Search SWISS flights

Fly with Cheapflights

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

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to California from London.

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

Need flexible booking options for your flight to California from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on London to California 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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