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

For as low as £361, United Airlines can have you in California from London Heathrow Airport in 15h 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 £237 on LEVEL. Other airlines that offer cheap prices include British Airways from £299 and JetBlue from £304 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 £2,633, our data indicates the cheapest price to be £376. The most popular route (London Heathrow - Los Angeles), is priced around £293.

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 (84%), KLM (83%), Air France( 83%).

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 37% 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 £412.

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 £478. You can even find prices in September for less than £478, as users have found deals to California from as low as £302. 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 23%.

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.

£237+ Flights from London Heathrow Airport to California

Cheap flight deals from Heathrow to California

Round-trip from	£350
One-way from	£237
Popular in	December
Cheapest in	September
Average price	£402
Good round-trip deal	£412 or less
Good one-way deal	£494 or less

Aer Lingus
9/10-16/10
2 total stops
31h 15m total
London to California

Search Deals

LEVEL
14/1
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 September 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 15 September 2025.

Thu 9/1009:50LHR - LAX

1 stop16h 35mAer Lingus

Thu 16/1020:15LAX - LHR

1 stop14h 40mAer Lingus

Deal found 13/9£350

Mon 6/1020:55LHR - LAX

1 stop22h 55mVirgin Atlantic

Wed 15/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 15/9£351

Thu 25/906:55LHR - LAX

1 stop16h 20mLufthansa

Thu 2/1008:25LAX - LHR

1 stop13h 55mLufthansa

Deal found 14/9£352

Sat 20/907:40LHR - LAX

1 stop18h 45mAer Lingus

Tue 30/920:15LAX - LHR

1 stop14h 40mAer Lingus

Deal found 13/9£352

Thu 2/1008:50LHR - LAX

1 stop17h 35mAer Lingus

Thu 16/1020:15LAX - LHR

1 stop16h 05mAer Lingus

Deal found 14/9£353

Thu 25/906:55LHR - LAX

1 stop16h 20mLufthansa

Sun 28/907:00LAX - LHR

1 stop16h 15mLufthansa

Deal found 14/9£354

Mon 6/1007:40LHR - LAX

1 stop18h 45mAer Lingus

Sun 19/1020:15LAX - LHR

1 stop14h 40mAer Lingus

Deal found 13/9£355

Wed 1/1009:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Wed 8/1020:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 13/9£356

Thu 30/1008:50LHR - LAX

1 stop17h 40mAer Lingus

Fri 7/1120:15LAX - LHR

1 stop15h 35mAer Lingus

Deal found 14/9£357

Fri 26/906:00LHR - LAX

1 stop15h 05mMultiple Airlines

Fri 3/1016:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 13/9£358

Mon 22/906:00LHR - LAX

1 stop15h 05mMultiple Airlines

Wed 8/1008:25LAX - LHR

1 stop14h 20mMultiple Airlines

Deal found 14/9£358

Wed 29/1020:25LHR - ONT

2 stops33h 16mVirgin Atlantic

Wed 5/1107:05ONT - LHR

1 stop17h 55mVirgin Atlantic

Deal found 14/9£363

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 15 September 2025.

Sat 8/1109:00LHR - LAX

1 stop15h 35mUnited Airlines

Wed 12/1119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 15/9£361

Tue 11/1109:00LHR - LAX

1 stop15h 35mMultiple Airlines

Wed 19/1108:40LAX - LHR

1 stop14h 00mMultiple Airlines

Deal found 14/9£362

Wed 29/1010:45LHR - BUR

1 stop18h 03mVirgin Atlantic

Wed 5/1112:40BUR - LHR

2 stops23h 00mVirgin Atlantic

Deal found 14/9£376

Fri 21/1111:45LHR - ONT

1 stop17h 26mBritish Airways

Sun 30/1116:47ONT - LHR

1 stop12h 28mBritish Airways

Deal found 14/9£392

Fri 6/308:20LHR - BUR

2 stops20h 02mAmerican Airlines

Tue 10/312:42BUR - LHR

2 stops14h 43mAmerican Airlines

Deal found 12/9£392

Thu 5/310:05LHR - SFO

Nonstop11h 15mAustrian Airlines

Mon 9/318:25SFO - LHR

Nonstop10h 35mAustrian Airlines

Deal found 14/9£394

Wed 29/1010:05LHR - SJC

1 stop19h 01mFinnair

Wed 5/1106:00SJC - LHR

1 stop16h 50mFinnair

Deal found 14/9£399

Thu 12/219:50LHR - SFO

2 stops26h 45mScandinavian Airlines

Thu 19/216:40SFO - LHR

2 stops15h 45mScandinavian Airlines

Deal found 14/9£405

Mon 6/1006:15LHR - SFO

1 stop20h 00mDelta

Sun 8/322:45SFO - LHR

1 stop27h 00mDelta

Deal found 13/9£406

Fri 3/1016:15LHR - LAS

1 stop14h 30mLufthansa

Sat 11/1014:32LAS - LHR

1 stop13h 13mLufthansa

Deal found 13/9£510

Fri 23/109:00LHR - LAX

1 stop15h 35mUnited Airlines

Tue 24/208:45LAX - LHR

1 stop14h 25mUnited Airlines

Deal found 14/9£361

Sat 14/210:45LHR - BUR

1 stop19h 07mVirgin Atlantic

Fri 27/212:45BUR - LHR

1 stop35h 05mVirgin Atlantic

Deal found 14/9£380

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 15 September 2025.

Tue 7/1017:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Fri 17/1022:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 15/9£353

Wed 1/1017:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Wed 8/1020:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 14/9£354

Mon 29/917:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 6/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 13/9£355

Fri 31/1017:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Fri 14/1122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 14/9£355

Wed 1/1009:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Tue 7/1022:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 13/9£356

Thu 25/914:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Thu 9/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 14/9£357

Thu 9/1017:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Wed 15/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 13/9£358

Thu 25/914:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Sun 28/922:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 13/9£358

Fri 27/211:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 16/317:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 13/9£361

Tue 13/111:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Sun 18/116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 14/9£361

Sat 24/117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Mon 2/216:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 14/9£362

Mon 12/111:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 19/122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 14/9£363

Last-minute flights from Heathrow to California
Discover last-minute flight deals from Heathrow to California. Data last updated 15 September 2025 and is based on user searches.

Sat 20/907:40LHR - LAX

1 stop18h 45mAer Lingus

Sun 5/1020:15LAX - LHR

1 stop14h 40mAer Lingus

Deal found 13/9£352

Mon 22/906:00LHR - LAX

1 stop15h 05mMultiple Airlines

Wed 8/1008:25LAX - LHR

1 stop14h 20mMultiple Airlines

Deal found 14/9£358

Thu 25/906:55LHR - LAX

1 stop16h 20mLufthansa

Thu 2/1016:40LAX - LHR

Nonstop10h 30mLufthansa

Deal found 14/9£352

Thu 25/906:55LHR - LAX

1 stop16h 20mLufthansa

Sun 28/907:00LAX - LHR

1 stop16h 15mLufthansa

Deal found 14/9£354

Fri 26/914:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 6/1020:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 14/9£358

Wed 1/1009:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Tue 7/1022:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 13/9£356

Thu 2/1008:50LHR - LAX

1 stop17h 35mAer Lingus

Tue 7/1020:15LAX - LHR

1 stop16h 05mAer Lingus

Deal found 13/9£353

Mon 6/1006:00LHR - LAX

1 stop18h 30mMultiple Airlines

Sun 12/1016:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 14/9£355

Thu 9/1009:50LHR - LAX

1 stop16h 35mAer Lingus

Thu 16/1020:15LAX - LHR

1 stop14h 40mAer Lingus

Deal found 13/9£350

Tue 28/1010:45LHR - ONT

1 stop17h 35mVirgin Atlantic

Tue 4/1111:48ONT - LHR

1 stop14h 42mVirgin Atlantic

Deal found 13/9£376

Wed 29/1020:25LHR - ONT

2 stops33h 16mVirgin Atlantic

Wed 5/1107:05ONT - LHR

1 stop17h 55mVirgin Atlantic

Deal found 14/9£363

Thu 30/1008:50LHR - LAX

1 stop17h 40mAer Lingus

Fri 7/1120:15LAX - LHR

1 stop15h 35mAer Lingus

Deal found 14/9£357

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 15 September 2025.

Wed 14/118:50LHR - LAX

1 stop32h 20mLEVEL

Deal found 14/9£237

Wed 21/118:50LHR - LAX

1 stop32h 20mLEVEL

Deal found 15/9£238

Thu 15/109:55LHR - LAX

1 stop17h 15mLEVEL

Deal found 13/9£243

Mon 10/1109:55LHR - LAX

1 stop40h 10mMultiple Airlines

Deal found 13/9£249

Thu 11/1209:55LHR - LAX

1 stop17h 15mMultiple Airlines

Deal found 14/9£254

Wed 11/218:50LHR - LAX

1 stop31h 15mLEVEL

Deal found 14/9£262

Wed 10/1218:50LHR - LAX

1 stop32h 20mMultiple Airlines

Deal found 14/9£273

Sat 14/220:50LHR - LAX

1 stop29h 15mLEVEL

Deal found 13/9£275

Fri 21/1120:50LHR - LAX

2 stops54h 20mMultiple Airlines

Deal found 14/9£276

Wed 21/115:30LHR - LAX

2 stops35h 40mMultiple Airlines

Deal found 12/9£276

Tue 18/1112:20LHR - LAS

1 stop17h 45mJetBlue

Deal found 13/9£304

Sat 13/1209:55LHR - LAS

3 stops33h 04mMultiple Airlines

Deal found 13/9£305

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

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 8/11

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 12/11

19:00-13:30

Nonstop10h 30m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 23/1

09:00-16:35

1 stop15h 35m

Los Angeles

Tue 24/2

08:45-07:10

1 stop14h 25m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 21/11

09:00-16:35

1 stop15h 35m

Los Angeles

Sun 30/11

19:00-13:30

Nonstop10h 30m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 5/11

09:00-16:35

1 stop15h 35m

Los Angeles

Mon 10/11

19:00-13:30

Nonstop10h 30m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 6/11

09:00-16:35

1 stop15h 35m

Los Angeles

Thu 13/11

19:00-13:30

Nonstop10h 30m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 11/11

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 19/11

08:40-06:40

1 stop14h 00m

£362

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Wed 29/10

10:45-21:48

1 stop18h 03m

Burbank Bob Hope

Wed 5/11

12:40-19:40

2 stops23h 00m

£376

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Sat 14/2

10:45-21:52

1 stop19h 07m

Burbank Bob Hope

Fri 27/2

12:45-07:50

1 stop35h 05m

£380

LondonOakland

LHR - OAK

LHROAK

London Heathrow

Wed 12/11

12:30-00:03

2 stops19h 33m

Oakland

Mon 17/11

12:28-12:50

2 stops16h 22m

£382

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

Tue 11/11

12:20-21:38

2 stops17h 18m

Long Beach Municipal

Mon 24/11

07:00-10:00

1 stop19h 00m

£385

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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 Saturday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (53 on average).

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

1,323 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

1,323 reviews

Finnair

7.6

Good

1,323 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

United Airlines

7.4

Good

8,931 reviews

Finnair

7.6

Good

1,323 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Virgin Atlantic

7.4

Good

664 reviews

Finnair

7.6

Good

1,323 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Lufthansa

6.8

Okay

7,409 reviews

Finnair

7.6

Good

1,323 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

British Airways

6.7

Okay

7,361 reviews

Finnair

7.6

Good

1,323 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 £361, United Airlines can have you in California from London Heathrow Airport in 15h 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 £237 on LEVEL. Other airlines that offer cheap prices include British Airways from £299 and JetBlue from £304 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 (84%), KLM (83%), Air France( 83%).
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 £2,633, our data indicates the cheapest price to be £376. The most popular route (London Heathrow - Los Angeles), is priced around £293.
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

Los Angeles Airport car hire

San Francisco Airport car hire

San Diego Airport car hire

San Jose Airport car hire

Sacramento Intl Airport car hire

Ontario Airport car hire

Oakland Airport car hire

Burbank Bob Hope Airport car hire

Palm Springs Airport car hire

Long Beach Municipal Airport car hire

Fresno Airterminal Airport car hire

Direct flights to United States

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Heathrow to Monterey flights

Top 10 airlines flying from Heathrow to California

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£235	Average£515	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Finnair	Cheapest£276	Average£515	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£289	Average£393	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£307	Average£575	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Aer Lingus	Cheapest£331	Average£554	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
United Airlines	Cheapest£334	Average£556	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Scandinavian Airlines	Cheapest£343	Average£512	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£347	Average£496	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air France	Cheapest£352	Average£482	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Brussels Airlines	Cheapest£354	Average£470	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines 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 £237

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 14/1. 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 15 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

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 15 September 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 15 September 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 15 September 2025.

Weekly flight availability 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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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 15 September 2025.