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Cheap flights from London Heathrow Airport to California from £256

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to California

Keep the following information in mind while searching for Heathrow to California flight deals. Data was last updated 8 January 2026.

Round-trip from

£274

One-way from

£256

Popular in

July

Cheapest in

September

Average price

£445

Good round-trip deal

£430 or less

Good one-way deal

£318 or less
United Airlines
  • United Airlines
  • 11/2-25/2
  • 2 total stops
  • 36h 08m total
  • London to California
Search Deals
3/3
  • 3/3
  • 2 total stops
  • 43h 34m total
  • London to California
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£47 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to California.
Search Deals
Price to beat on a one-way flight from London Heathrow to California.
Search Deals

Find flight deals from Heathrow to California

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to California
Explore the most affordable flight options available from Heathrow to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 January 2026.

Wed 11/212:05LHR - ONT
1 stop17h 53mUnited Airlines
Wed 25/208:00ONT - LHR
1 stop18h 15mUnited Airlines
Deal found 7/1£274
Wed 11/212:05LHR - SNA
1 stop17h 37mUnited Airlines
Wed 25/213:20SNA - LHR
1 stop12h 20mUnited Airlines
Deal found 7/1£274
Thu 5/209:00LHR - BUR
2 stops20h 59mUnited Airlines
Mon 9/213:57BUR - LHR
3 stops22h 38mUnited Airlines
Deal found 7/1£341
Fri 20/208:45LHR - SNA
2 stops41h 50mLufthansa
Fri 27/218:35SNA - LHR
1 stop28h 50mLufthansa
Deal found 6/1£345
Thu 22/107:30LHR - ONT
2 stops22h 28mUnited Airlines
Mon 26/105:05ONT - LHR
1 stop20h 35mUnited Airlines
Deal found 7/1£345
Thu 5/207:40LHR - SNA
2 stops17h 48mLufthansa
Thu 12/211:10SNA - LHR
1 stop14h 30mLufthansa
Deal found 7/1£345
Fri 20/207:30LHR - SNA
2 stops20h 24mUnited Airlines
Fri 27/207:01SNA - LHR
2 stops17h 24mUnited Airlines
Deal found 6/1£346
Thu 15/115:50LHR - LGB
2 stops61h 55mVirgin Atlantic
Wed 28/113:05LGB - LHR
2 stops34h 00mVirgin Atlantic
Deal found 7/1£346
Sat 31/110:05LHR - SNA
1 stop16h 26mLufthansa
Mon 16/213:20SNA - LHR
1 stop12h 20mLufthansa
Deal found 7/1£357
Thu 5/210:45LHR - ONT
1 stop21h 13mVirgin Atlantic
Thu 12/213:15ONT - LHR
1 stop33h 10mVirgin Atlantic
Deal found 5/1£358
Mon 27/409:30LHR - ONT
2 stops20h 20mUnited Airlines
Sat 9/518:54ONT - LHR
2 stops33h 26mUnited Airlines
Deal found 7/1£359
Thu 5/207:30LHR - ONT
2 stops21h 28mUnited Airlines
Thu 12/205:00ONT - LHR
2 stops17h 40mUnited Airlines
Deal found 5/1£360

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 8 January 2026.
Use the filters below to find and compare flights from London Heathrow Airport to California that are best for you.

Fly from

Heathrow

Fly to

California

Route

Depart

Return

Price

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Thu 5/2

09:00-21:59

2 stops20h 59m

Burbank Bob Hope

Mon 9/2

09:00-11:15

2 stops18h 15m

£341

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Thu 5/2

07:40-17:28

2 stops17h 48m

Santa Ana J. Wayne/Orange Cnty

Thu 12/2

11:10-09:40

1 stop14h 30m

£345

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 22/1

07:30-21:58

2 stops22h 28m

Ontario

Mon 26/1

05:05-09:40

1 stop20h 35m

£345

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 24/1

11:30-22:53

2 stops19h 23m

Ontario

Thu 29/1

13:53-12:00

1 stop14h 07m

£346

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 5/2

09:30-22:53

2 stops21h 23m

Ontario

Thu 12/2

13:50-12:00

1 stop14h 10m

£346

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Thu 26/2

06:30-19:54

2 stops21h 24m

Santa Ana J. Wayne/Orange Cnty

Wed 11/3

10:52-09:20

2 stops15h 28m

£346

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Fri 20/2

07:30-19:54

2 stops20h 24m

Santa Ana J. Wayne/Orange Cnty

Fri 27/2

07:01-08:25

2 stops17h 24m

£346

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Thu 5/2

14:30-11:25

1 stop28h 55m

Santa Ana J. Wayne/Orange Cnty

Thu 12/2

12:25-11:50

1 stop15h 25m

£363

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 5/2

15:20-18:45

Nonstop11h 25m

Los Angeles

Fri 13/2

19:00-13:30

Nonstop10h 30m

£366

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Fri 20/2

10:05-20:50

1 stop18h 45m

Santa Ana J. Wayne/Orange Cnty

Sun 1/3

13:20-09:40

1 stop12h 20m

£369

Flights are sorted by cheapest return flights first.

Deals found on 7/1

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

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

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £327). Flying from London Heathrow Airport to California in July is currently the most expensive (average of £396). 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 LHR to CA?

Find hourly flight availability from Heathrow 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 8 January 2026.

When flying from London Heathrow Airport 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 Heathrow Airport to California

Explore weekly flight availability from Heathrow 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 8 January 2026.

The most flights from LHR to USCA are scheduled on a Monday (38 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (32 on average).

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 8 January 2026.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andUnited Airlines from London Heathrow Airport to California by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,434 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,434 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
United Airlines
7.4
Good
9,139 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,692 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,657 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

Find useful and relevant information for your journey from Heathrow to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to California?

    For as low as £345, United Airlines can have you in California from London Heathrow Airport in 17h 48m. London Heathrow Airport and California are separated by a distance of 5437 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London Heathrow Airport to California one-way?

    One-way options have recently been found by users for as low as £163 on Norse Atlantic UK. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £245 and Scandinavian Airlines from £248 one-way.

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

    When deciding which route to take from London Heathrow Airport to California consider London Heathrow - Los Angeles, London Heathrow - San Francisco or London Heathrow - Las Vegas Harry Reid Intl as they are the most popular.

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

    Before booking your flight to California from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: SriLankan Airlines (97%), Air Canada (93%), Austrian Airlines( 93%).

  • What are the cheapest flights from London Heathrow Airport to California?

    Looking for the cheapest flight from London Heathrow Airport to California? While on average our users pay £2,648, our data indicates the cheapest price to be £341. The most popular route (London Heathrow - Los Angeles), is priced around £284.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to California?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £327). Flying from London Heathrow Airport to California in July is currently the most expensive (average of £396). 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

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Alternative routes for Heathrow to California

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Heathrow to California

Discover the top 10 airlines that operate flights from Heathrow 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 8 January 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£236Average£549FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SWISSCheapest£276Average£391FlexibilityNo cancel feeOn-time79%
Search SWISS flights
FinnairCheapest£278Average£529FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Norse Atlantic UKCheapest£308Average£558FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Aer LingusCheapest£332Average£899FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£334Average£509FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£336Average£538FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Scandinavian AirlinesCheapest£337Average£495FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£337Average£516FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Brussels AirlinesCheapest£356Average£475FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines 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 Heathrow to California?

Cheapflights helps you search for flights from Heathrow to California via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to California by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to California, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to California from Heathrow today and book when prices fit your budget.

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