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

For as low as £370, British Airways can have you in California from London Heathrow Airport in 16h 35m. London Heathrow Airport and California are separated by a distance of 5439 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 £234 on LEVEL. Other airlines that offer cheap prices include Aer Lingus from £366 and United Airlines from £389 one-way.

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.

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).

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 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 £2,533, our data indicates the cheapest price to be £399. The most popular route (London Heathrow - Los Angeles), is priced around £290.

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: Aeromexico (86%), KLM (82%), Air France( 82%).

What are the most popular airlines that fly from London Heathrow Airport to California?

American Airlines, Air Canada and Air France are the most popular airlines when flying from London Heathrow Airport to California.

How far in advance should I book a flight from London Heathrow Airport to California?

Find a great deal and save up to 38% by booking at least 56 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Heathrow Airport to California within the next two weeks, with the cheapest ticket starting at £429.

What is the cheapest month to fly from London Heathrow Airport to California?

The best pricing can be found in the month of September. Prices to California from London Heathrow Airport average £482. You can even find prices in September for less than £482, as users have found deals to California from as low as £306. The month of December appears to be one of the more expensive times to travel to California from London Heathrow Airport. Flying in the targeted month can save you up to 22%.

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.

£234+ Flights from London Heathrow Airport to California

Q: How much does it cost for a return flight from London Heathrow Airport to California?

Airfare is below average for this route at the moment. London Heathrow Airport to California flights typically cost between £389 and £481 in September. The cheapest return flight price found within the last 3 days was £369 on Virgin Atlantic (16 Sept-25 Sept).

Cheap flight deals from Heathrow to California

Round-trip from	£360
One-way from	£234
Popular in	December
Cheapest in	September
Average price	£576
Good round-trip deal	£424 or less
Good one-way deal	£498 or less

British Airways
11/11-18/11
3 total stops
35h 27m total
London to California

Search Deals

LEVEL
3/12
1 total stop
32h 20m total
London to California

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

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

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 29 August 2025.

Tue 11/1107:30LHR - ONT

2 stops22h 59mBritish Airways

Tue 18/1116:47ONT - LHR

1 stop12h 28mBritish Airways

Deal found 28/8£360

Tue 16/909:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Thu 25/920:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 28/8£369

Thu 4/906:30LHR - LAX

1 stop14h 30mUnited Airlines

Mon 15/916:13LAX - LHR

1 stop12h 07mUnited Airlines

Deal found 28/8£369

Thu 11/908:40LHR - LAX

2 stops19h 00mAir Canada

Sat 27/912:05LAX - LHR

1 stop13h 30mAir Canada

Deal found 28/8£370

Fri 12/908:40LHR - LAX

1 stop15h 50mMultiple Airlines

Sat 20/916:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 27/8£371

Wed 3/912:00LHR - SNA

1 stop16h 13mBritish Airways

Wed 10/916:42SNA - LHR

1 stop13h 43mBritish Airways

Deal found 27/8£372

Sat 6/917:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 22/922:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 27/8£372

Sat 20/919:50LHR - LAX

1 stop26h 35mTAP AIR PORTUGAL

Fri 3/1016:40LAX - LHR

1 stop17h 05mTAP AIR PORTUGAL

Deal found 27/8£372

Sat 20/908:30LHR - LAX

1 stop16h 25mUnited Airlines

Fri 3/1008:05LAX - LHR

1 stop17h 30mUnited Airlines

Deal found 28/8£373

Sun 14/906:30LHR - LAX

1 stop14h 30mMultiple Airlines

Wed 24/916:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 28/8£374

Fri 26/906:00LHR - LAX

1 stop15h 05mMultiple Airlines

Sun 5/1018:40LAX - LHR

1 stop14h 00mMultiple Airlines

Deal found 28/8£375

Wed 3/909:40LHR - SNA

2 stops42h 45mVirgin Atlantic

Wed 10/913:50SNA - LHR

1 stop16h 25mVirgin Atlantic

Deal found 27/8£375

Best flights from Heathrow to California
Discover carefully curated flight deals from Heathrow to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.

Tue 11/1107:30LHR - ONT

2 stops22h 59mBritish Airways

Tue 18/1116:47ONT - LHR

1 stop12h 28mBritish Airways

Deal found 28/8£360

Thu 11/908:40LHR - LAX

2 stops19h 00mAir Canada

Sat 27/912:05LAX - LHR

1 stop13h 30mAir Canada

Deal found 28/8£370

Sun 28/909:50LHR - LAX

1 stop16h 35mAer Lingus

Sat 11/1020:15LAX - LHR

1 stop16h 05mAer Lingus

Deal found 28/8£370

Wed 11/206:30LHR - LAX

1 stop14h 35mUnited Airlines

Tue 24/208:45LAX - LHR

1 stop14h 25mUnited Airlines

Deal found 28/8£370

Sun 22/209:00LHR - LAX

1 stop15h 35mMultiple Airlines

Wed 25/308:45LAX - LHR

1 stop14h 35mMultiple Airlines

Deal found 27/8£372

Mon 2/207:40LHR - LAX

1 stop15h 35mLufthansa

Fri 6/219:00LAX - LHR

Nonstop10h 30mLufthansa

Deal found 27/8£373

Sun 19/1006:00LHR - LAX

1 stop16h 25mTAP AIR PORTUGAL

Sat 25/1016:40LAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 27/8£373

Mon 22/920:55LHR - OAK

2 stops27h 29mKLM

Mon 6/1005:55OAK - LHR

1 stop19h 55mKLM

Deal found 28/8£384

Mon 12/108:55LHR - LGB

2 stops39h 28mVirgin Atlantic

Mon 19/107:10LGB - LHR

2 stops21h 40mVirgin Atlantic

Deal found 28/8£389

Wed 1/1008:40LHR - SJC

2 stops18h 33mDelta

Thu 16/1014:21SJC - LHR

1 stop12h 59mDelta

Deal found 28/8£401

Wed 11/210:35LHR - SJC

1 stop18h 15mFinnair

Wed 18/306:10SJC - LHR

1 stop17h 40mFinnair

Deal found 27/8£414

Thu 23/1010:20LHR - SFO

1 stop14h 10mScandinavian Airlines

Thu 6/1116:40SFO - LHR

2 stops18h 10mScandinavian Airlines

Deal found 27/8£416

Direct flights from Heathrow to California
Explore direct flight options from Heathrow to California based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 August 2025.

Tue 16/909:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Thu 25/920:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 28/8£369

Wed 29/1016:55LHR - LAX

Nonstop11h 20mBritish Airways

Wed 26/1115:30LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 28/8£370

Fri 12/914:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Thu 25/920:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 27/8£371

Mon 8/909:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Mon 22/922:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 28/8£372

Wed 8/1014:45LHR - LAX

Nonstop11h 20mBritish Airways

Tue 21/1017:05LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 27/8£373

Mon 17/1111:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Thu 4/1222:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 26/8£374

Tue 16/914:20LHR - LAX

Nonstop11h 15mBritish Airways

Thu 25/920:05LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 27/8£375

Wed 24/917:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Wed 15/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 27/8£375

Mon 29/917:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Wed 8/1020:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 27/8£377

Mon 29/913:05LHR - LAX

Nonstop11h 10mLufthansa

Fri 10/1016:40LAX - LHR

Nonstop10h 30mLufthansa

Deal found 28/8£378

Thu 11/913:05LHR - LAX

Nonstop11h 10mLufthansa

Sat 27/916:40LAX - LHR

Nonstop10h 30mLufthansa

Deal found 28/8£380

Mon 6/1017:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Sun 19/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 28/8£380

Last-minute flights from Heathrow to California
Discover last-minute flight deals from Heathrow to California. Data last updated 29 August 2025 and is based on user searches.

Wed 3/912:00LHR - SNA

1 stop16h 13mBritish Airways

Wed 10/916:42SNA - LHR

1 stop13h 43mBritish Airways

Deal found 27/8£372

Wed 3/909:40LHR - SNA

2 stops42h 45mVirgin Atlantic

Wed 10/913:50SNA - LHR

1 stop16h 25mVirgin Atlantic

Deal found 27/8£375

Wed 3/917:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 15/915:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 28/8£375

Wed 3/906:30LHR - LAX

1 stop14h 30mMultiple Airlines

Mon 15/908:15LAX - LHR

1 stop14h 05mMultiple Airlines

Deal found 28/8£378

Thu 4/906:30LHR - LAX

1 stop14h 30mUnited Airlines

Mon 15/916:13LAX - LHR

1 stop12h 07mUnited Airlines

Deal found 28/8£369

Thu 4/906:30LHR - LAX

1 stop14h 30mUnited Airlines

Fri 12/916:40LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 28/8£374

Thu 4/908:40LHR - LAX

1 stop15h 50mMultiple Airlines

Wed 17/916:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 27/8£377

Fri 5/908:40LHR - LAX

1 stop15h 50mMultiple Airlines

Tue 9/916:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 27/8£377

Sat 6/917:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 22/922:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 27/8£372

Sat 6/906:00LHR - LAX

1 stop15h 05mAustrian Airlines

Sat 20/908:15LAX - LHR

1 stop19h 30mAustrian Airlines

Deal found 26/8£379

Sat 6/906:00LHR - LAX

1 stop15h 05mMultiple Airlines

Wed 10/916:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 27/8£380

Mon 8/909:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Mon 22/922:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 28/8£372

One-way flights from Heathrow to California
Search for one-way flight options from Heathrow to California. Find affordable one-way fares based on user searches. Data last updated 29 August 2025.

Wed 3/1218:50LHR - LAX

1 stop32h 20mLEVEL

Deal found 28/8£234

Tue 9/920:50LHR - LAX

1 stop29h 15mLEVEL

Deal found 28/8£235

Mon 19/118:50LHR - LAX

1 stop31h 15mLEVEL

Deal found 27/8£235

Mon 17/1118:50LHR - LAX

1 stop31h 15mLEVEL

Deal found 28/8£240

Sat 13/1220:50LHR - LAX

1 stop30h 20mLEVEL

Deal found 28/8£241

Mon 8/920:50LHR - LAX

1 stop29h 15mMultiple Airlines

Deal found 27/8£241

Wed 17/920:50LHR - LAX

1 stop29h 15mMultiple Airlines

Deal found 27/8£242

Wed 24/920:50LHR - LAX

1 stop29h 15mMultiple Airlines

Deal found 27/8£244

Thu 11/1209:55LHR - LAX

1 stop17h 15mMultiple Airlines

Deal found 27/8£244

Wed 15/1020:50LHR - LAX

1 stop29h 15mMultiple Airlines

Deal found 27/8£246

Tue 9/906:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Deal found 27/8£249

Thu 11/1209:55LHR - LAS

2 stops38h 58mMultiple Airlines

Deal found 27/8£272

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 11/11

07:30-22:29

2 stops22h 59m

Ontario

Tue 18/11

16:47-13:15

1 stop12h 28m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 11/9

08:40-19:40

2 stops19h 00m

Los Angeles

Sat 27/9

12:05-09:35

1 stop13h 30m

£370

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 28/9

09:50-18:25

1 stop16h 35m

Los Angeles

Sat 11/10

20:15-20:20

1 stop16h 05m

£370

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 11/2

06:30-13:05

1 stop14h 35m

Los Angeles

Tue 24/2

08:45-07:10

1 stop14h 25m

£370

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 22/2

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 25/3

08:45-06:20

1 stop14h 35m

£372

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 2/2

07:40-15:15

1 stop15h 35m

Los Angeles

Fri 6/2

19:00-13:30

Nonstop10h 30m

£373

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 19/10

06:00-14:25

1 stop16h 25m

Los Angeles

Sat 25/10

16:40-22:35

1 stop21h 55m

£373

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 13/9

07:25-15:15

1 stop15h 50m

Los Angeles

Fri 19/9

06:00-07:25

1 stop17h 25m

£373

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 26/9

06:30-16:08

2 stops17h 38m

Los Angeles

Fri 3/10

06:00-09:35

2 stops19h 35m

£374

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 12/2

06:30-13:05

1 stop14h 35m

Los Angeles

Mon 23/2

08:10-07:25

1 stop15h 15m

£374

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 60 results

...

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, January is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £575). Flying from London Heathrow Airport 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 LHR to CA?

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

The most flights from LHR to USCA are scheduled on a Wednesday (53 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (46 on average).

How much does it cost for a return flight from London Heathrow Airport to California?

Reviews of airlines servicing California

Get a feel of what it's like to fly with Finnair, United Airlines, andVirgin Atlantic 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.

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Finnair

7.6

Good

1,321 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

United Airlines

7.4

Good

8,941 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Virgin Atlantic

7.4

Good

661 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Lufthansa

6.8

Okay

7,372 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

British Airways

6.7

Okay

7,320 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Related info for your journey

How long is the flight from London Heathrow Airport to California?
For as low as £370, British Airways can have you in California from London Heathrow Airport in 16h 35m. London Heathrow Airport and California are separated by a distance of 5439 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 £234 on LEVEL. Other airlines that offer cheap prices include Aer Lingus from £366 and United Airlines from £389 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: Aeromexico (86%), KLM (82%), Air France( 82%).
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 £2,533, our data indicates the cheapest price to be £399. The most popular route (London Heathrow - Los Angeles), is priced around £290.
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, January is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £575). Flying from London Heathrow Airport 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

Alternative routes for Heathrow to California

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Complete your trip

California car hire

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San Francisco Airport car hire

San Diego Airport car hire

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Ontario Airport car hire

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Top 10 airlines flying from Heathrow to California

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£236	Average£511	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Finnair	Cheapest£278	Average£502	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£290	Average£388	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£333	Average£548	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
United Airlines	Cheapest£336	Average£560	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Scandinavian Airlines	Cheapest£345	Average£513	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£348	Average£498	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£352	Average£474	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Air France	Cheapest£352	Average£483	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Aer Lingus	Cheapest£353	Average£596	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

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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Cheap flights from London Heathrow Airport to California from £234

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.

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 29 August 2025.

Round-trip from

One-way from

Popular in

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Average price

Good round-trip deal

Good one-way deal

Find flight deals from Heathrow to California

Cheapest flights from Heathrow to CaliforniaExplore 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 29 August 2025.

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 29 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to California that are best for you.

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.

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?

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 29 August 2025.

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 29 August 2025.

How much does it cost for a return flight from London Heathrow Airport to California?

Reviews of airlines servicing California

Get a feel of what it's like to fly with Finnair, United Airlines, andVirgin Atlantic 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.

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?

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

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

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

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

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

How can I find direct flights from Heathrow to California?

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

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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 10 airlines flying from Heathrow to California

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

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

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

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

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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 29 August 2025.