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 £264 on LEVEL. Other airlines that offer cheap prices include British Airways from £310 and Finnair from £328 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 - Las Vegas Harry Reid Intl or London Heathrow - San Francisco 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 £2,680, our data indicates the cheapest price to be £357. The most popular route (London Heathrow - Los Angeles), is priced around £335.

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 (89%), Aeromexico (86%), KLM( 86%).

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.

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.

£263+ Flights from London Heathrow Airport to California

Cheap flight deals from Heathrow to California

Round-trip from	£354
One-way from	£263
Popular in	December
Cheapest in	September
Average price	£465
Good round-trip deal	£389 or less
Good one-way deal	£440 or less

TAP AIR PORTUGAL
30/10-6/11
2 total stops
33h 25m total
London to California

Search Deals

LEVEL
11/12
1 total stop
17h 15m 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 October 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

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 2 October 2025.

Wed 8/1008:40LHR - LAX

1 stop15h 50mMultiple Airlines

Sat 18/1016:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 30/9£355

Thu 9/1008:40LHR - LAX

1 stop15h 50mMultiple Airlines

Sat 15/1108:15LAX - LHR

1 stop13h 40mMultiple Airlines

Deal found 1/10£356

Thu 30/1009:00LHR - LAX

1 stop15h 35mSWISS

Thu 13/1119:10LAX - LHR

1 stop28h 55mSWISS

Deal found 30/9£357

Mon 6/1019:30LHR - LAX

1 stop25h 35mAustrian Airlines

Wed 15/1016:40LAX - LHR

Nonstop10h 30mAustrian Airlines

Deal found 1/10£358

Wed 8/1006:00LHR - LAX

1 stop15h 05mMultiple Airlines

Mon 10/1119:10LAX - LHR

1 stop14h 40mMultiple Airlines

Deal found 30/9£358

Mon 6/1006:00LHR - LAX

1 stop15h 05mMultiple Airlines

Wed 22/1019:35LAX - LHR

1 stop14h 15mMultiple Airlines

Deal found 30/9£359

Wed 26/1106:30LHR - LAX

1 stop14h 35mUnited Airlines

Sun 30/1119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 30/9£360

Mon 6/1006:00LHR - LAX

1 stop15h 05mMultiple Airlines

Mon 17/1119:10LAX - LHR

1 stop14h 40mMultiple Airlines

Deal found 1/10£361

Thu 30/1009:00LHR - LAX

1 stop15h 35mUnited Airlines

Wed 12/1119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 30/9£361

Wed 8/1008:40LHR - LAX

1 stop15h 50mUnited Airlines

Sat 8/1119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 30/9£362

Sat 22/1120:05LHR - LAX

1 stop28h 30mMultiple Airlines

Sun 30/1112:50LAX - LHR

1 stop15h 00mMultiple Airlines

Deal found 29/9£363

Thu 13/1110:00LHR - SNA

2 stops44h 21mVirgin Atlantic

Thu 20/1111:15SNA - LHR

1 stop17h 35mVirgin Atlantic

Deal found 29/9£364

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 2 October 2025.

Wed 5/1109:00LHR - LAX

1 stop15h 35mUnited Airlines

Mon 10/1108:30LAX - LHR

1 stop14h 40mUnited Airlines

Deal found 30/9£361

Fri 6/209:00LHR - LAX

1 stop15h 35mMultiple Airlines

Fri 27/219:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 30/9£362

Tue 28/1011:45LHR - BUR

2 stops41h 03mVirgin Atlantic

Tue 4/1113:40BUR - LHR

2 stops33h 10mVirgin Atlantic

Deal found 30/9£372

Wed 19/1117:20LHR - LAX

Nonstop11h 20mDelta

Fri 28/1116:35LAX - LHR

Nonstop10h 20mDelta

Deal found 29/9£386

Thu 1/110:20LHR - LAX

1 stop14h 45mFinnair

Fri 16/121:00LAX - LHR

Nonstop10h 30mFinnair

Deal found 30/9£390

Fri 31/1010:05LHR - ONT

1 stop15h 48mBritish Airways

Thu 6/1110:47ONT - LHR

1 stop15h 13mBritish Airways

Deal found 29/9£391

Fri 14/1108:20LHR - SNA

2 stops18h 04mAmerican Airlines

Mon 17/1108:55SNA - LHR

1 stop14h 25mAmerican Airlines

Deal found 28/9£392

Thu 5/313:45LHR - SFO

Nonstop11h 15mLufthansa

Mon 9/313:50SFO - LHR

Nonstop10h 35mLufthansa

Deal found 29/9£394

Tue 6/112:10LHR - LAS

1 stop13h 40mAer Lingus

Sat 10/119:35LAS - LHR

1 stop13h 15mAer Lingus

Deal found 1/10£576

Mon 3/1112:15LHR - LAS

2 stops16h 45mIcelandair

Thu 6/1110:08LAS - LHR

2 stops25h 22mIcelandair

Deal found 1/10£611

Fri 5/1209:00LHR - LAX

1 stop15h 35mUnited Airlines

Sun 14/1219:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 30/9£361

Wed 26/1109:00LHR - LAX

1 stop15h 35mMultiple Airlines

Wed 10/1208:15LAX - LHR

1 stop13h 40mMultiple Airlines

Deal found 30/9£362

Thu 13/1114:45LHR - ONT

2 stops17h 07mVirgin Atlantic

Thu 20/1106:45ONT - LHR

1 stop22h 05mVirgin Atlantic

Deal found 29/9£376

Wed 4/206:30LHR - LAX

1 stop13h 15mDelta

Fri 13/216:35LAX - LHR

Nonstop10h 20mDelta

Deal found 30/9£389

Fri 16/116:30LHR - ONT

1 stop29h 48mBritish Airways

Mon 26/106:00ONT - LHR

1 stop20h 00mBritish Airways

Deal found 30/9£391

Fri 6/308:20LHR - BUR

2 stops17h 47mAmerican Airlines

Tue 10/312:42BUR - LHR

2 stops16h 18mAmerican Airlines

Deal found 28/9£392

Mon 2/207:40LHR - LAX

1 stop15h 35mUnited Airlines

Mon 16/210:26LAX - LHR

1 stop12h 59mUnited Airlines

Deal found 30/9£365

Wed 5/1108:55LHR - LGB

2 stops20h 38mVirgin Atlantic

Mon 17/1113:15LGB - LHR

2 stops15h 35mVirgin Atlantic

Deal found 30/9£387

Fri 16/114:10LHR - SNA

1 stop15h 51mBritish Airways

Mon 26/115:15SNA - LHR

1 stop13h 00mBritish Airways

Deal found 30/9£391

Tue 28/1011:55LHR - SNA

1 stop15h 08mMultiple Airlines

Tue 4/1115:03SNA - LHR

1 stop13h 12mMultiple Airlines

Deal found 29/9£391

Wed 29/1009:35LHR - BUR

2 stops18h 06mAmerican Airlines

Tue 4/1112:31BUR - LHR

1 stop13h 29mAmerican Airlines

Deal found 29/9£392

Sat 7/217:20LHR - LAX

Nonstop11h 20mDelta

Sat 14/216:35LAX - LHR

Nonstop10h 20mDelta

Deal found 30/9£393

Thu 12/206:30LHR - LAX

1 stop14h 35mUnited Airlines

Thu 19/219:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 30/9£367

Wed 5/1110:45LHR - SNA

1 stop15h 23mVirgin Atlantic

Mon 17/1113:50SNA - LHR

1 stop12h 10mVirgin Atlantic

Deal found 30/9£390

Fri 31/1008:20LHR - SNA

1 stop16h 48mBritish Airways

Thu 6/1114:47SNA - LHR

1 stop12h 53mBritish Airways

Deal found 29/9£391

Fri 16/110:15LHR - BUR

1 stop18h 54mMultiple Airlines

Mon 26/113:14BUR - LHR

1 stop14h 26mMultiple Airlines

Deal found 30/9£391

Thu 13/1108:40LHR - ONT

2 stops22h 24mDelta

Thu 20/1106:45ONT - LHR

1 stop22h 05mDelta

Deal found 29/9£396

Fri 20/209:25LHR - SJC

1 stop17h 39mAmerican Airlines

Mon 23/219:25SJC - LHR

2 stops16h 35mAmerican Airlines

Deal found 28/9£398

Fri 20/208:45LHR - SAN

1 stop15h 00mLufthansa

Tue 24/210:05SAN - LHR

1 stop13h 20mLufthansa

Deal found 30/9£495

Wed 31/1215:20LHR - LAX

Nonstop11h 25mUnited Airlines

Wed 14/119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 30/9£388

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 2 October 2025.

Fri 7/1115:20LHR - LAX

Nonstop11h 25mUnited Airlines

Fri 14/1119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 30/9£356

Fri 6/217:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Fri 27/216:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 30/9£358

Tue 28/1017:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Tue 18/1122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 30/9£363

Sat 1/1117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Sat 8/1116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 30/9£364

Wed 5/1117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Mon 17/1116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 30/9£365

Thu 30/1017:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Fri 7/1116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 30/9£367

Thu 30/1017:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Wed 12/1122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 30/9£368

Tue 28/1012:30LHR - LAX

Nonstop11h 20mBritish Airways

Tue 4/1119:30LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 30/9£369

Wed 11/211:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Wed 25/216:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 30/9£370

Fri 16/110:05LHR - LAX

Nonstop11h 25mBritish Airways

Fri 23/119:20LAX - LHR

Nonstop10h 40mBritish Airways

Deal found 30/9£372

Thu 27/1117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Fri 5/1222:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 30/9£374

Sat 22/1117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Fri 28/1116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 29/9£376

Last-minute flights from Heathrow to California
Discover last-minute flight deals from Heathrow to California. Data last updated 2 October 2025 and is based on user searches.

Mon 6/1019:30LHR - LAX

1 stop25h 35mAustrian Airlines

Wed 15/1016:40LAX - LHR

Nonstop10h 30mAustrian Airlines

Deal found 1/10£358

Mon 6/1006:00LHR - LAX

1 stop15h 05mMultiple Airlines

Wed 22/1019:35LAX - LHR

1 stop14h 15mMultiple Airlines

Deal found 30/9£359

Mon 6/1006:00LHR - LAX

1 stop15h 05mMultiple Airlines

Mon 17/1119:10LAX - LHR

1 stop14h 40mMultiple Airlines

Deal found 1/10£361

Wed 8/1008:40LHR - LAX

1 stop15h 50mMultiple Airlines

Sat 18/1016:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 30/9£355

Wed 8/1006:00LHR - LAX

1 stop15h 05mMultiple Airlines

Mon 10/1119:10LAX - LHR

1 stop14h 40mMultiple Airlines

Deal found 30/9£358

Wed 8/1008:40LHR - LAX

1 stop15h 50mUnited Airlines

Sun 19/1016:40LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 30/9£362

Thu 9/1008:40LHR - LAX

1 stop15h 50mMultiple Airlines

Fri 14/1108:40LAX - LHR

1 stop14h 00mMultiple Airlines

Deal found 1/10£356

Thu 30/1009:00LHR - LAX

1 stop15h 35mUnited Airlines

Wed 12/1119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 30/9£357

Thu 13/1110:00LHR - SNA

2 stops44h 21mVirgin Atlantic

Thu 20/1111:15SNA - LHR

1 stop17h 35mVirgin Atlantic

Deal found 29/9£364

Sat 22/1117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Sat 29/1122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 29/9£363

Sat 22/1114:05LHR - ONT

2 stops40h 50mVirgin Atlantic

Wed 3/1212:40ONT - LHR

1 stop13h 50mVirgin Atlantic

Deal found 29/9£364

Wed 26/1106:30LHR - LAX

1 stop14h 35mUnited Airlines

Sun 30/1119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 30/9£360

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 2 October 2025.

Thu 11/1209:55LHR - LAX

1 stop17h 15mLEVEL

Deal found 30/9£263

Wed 19/1118:50LHR - LAX

1 stop32h 20mLEVEL

Deal found 1/10£264

Sat 13/1220:50LHR - LAX

1 stop29h 20mLEVEL

Deal found 1/10£270

Wed 19/1121:05LHR - LAX

2 stops28h 00mMultiple Airlines

Deal found 30/9£272

Thu 5/206:40LHR - LAX

2 stops18h 25mMultiple Airlines

Deal found 30/9£272

Sat 7/217:30LHR - LAX

2 stops31h 35mMultiple Airlines

Deal found 1/10£273

Sat 6/1220:50LHR - LAX

1 stop29h 20mLEVEL

Deal found 30/9£274

Wed 14/118:05LHR - LAX

2 stops31h 00mMultiple Airlines

Deal found 29/9£275

Sun 7/1209:55LHR - LAX

1 stop16h 15mLEVEL

Deal found 1/10£275

Mon 1/1221:05LHR - LAX

2 stops28h 00mMultiple Airlines

Deal found 30/9£276

Mon 12/114:50LHR - SNA

1 stop30h 35mWestJet

Deal found 1/10£304

Wed 14/114:50LHR - SNA

1 stop30h 35mWestJet

Deal found 1/10£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

Wed 5/11

09:00-16:35

1 stop15h 35m

Los Angeles

Mon 10/11

08:30-07:10

1 stop14h 40m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 5/12

09:00-16:35

1 stop15h 35m

Los Angeles

Sun 14/12

19:00-13:30

Nonstop10h 30m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 6/2

09:00-16:35

1 stop15h 35m

Los Angeles

Fri 27/2

19:00-13:30

Nonstop10h 30m

£362

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 26/11

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 10/12

08:15-05:55

1 stop13h 40m

£362

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 2/2

07:40-15:15

1 stop15h 35m

Los Angeles

Mon 16/2

10:26-07:25

1 stop12h 59m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 12/2

06:30-13:05

1 stop14h 35m

Los Angeles

Thu 19/2

19:00-13:30

Nonstop10h 30m

£367

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Tue 28/10

11:45-21:48

2 stops41h 03m

Burbank Bob Hope

Tue 4/11

13:40-06:50

2 stops33h 10m

£372

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 13/11

14:45-23:52

2 stops17h 07m

Ontario

Thu 20/11

06:45-12:50

1 stop22h 05m

£376

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 19/11

17:20-20:40

Nonstop11h 20m

Los Angeles

Fri 28/11

16:35-10:55

Nonstop10h 20m

£386

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

Wed 5/11

08:55-21:33

2 stops20h 38m

Long Beach Municipal

Mon 17/11

13:15-12:50

2 stops15h 35m

£387

Flights are sorted by cheapest return flights first.

Deals found on 1/10

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, September is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £570). 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 Monday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (47 on average).

Reviews of airlines servicing California

Get a feel of what it's like to fly with KLM, 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.

KLM

7.8

Good

1,389 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent

KLM

7.8

Good

1,389 reviews

KLM

7.8

Good

1,389 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent

United Airlines

7.4

Good

8,929 reviews

KLM

7.8

Good

1,389 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent

Virgin Atlantic

7.4

Good

665 reviews

KLM

7.8

Good

1,389 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent

Lufthansa

6.8

Okay

7,443 reviews

KLM

7.8

Good

1,389 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent

British Airways

6.7

Okay

7,413 reviews

KLM

7.8

Good

1,389 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent

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 £264 on LEVEL. Other airlines that offer cheap prices include British Airways from £310 and Finnair from £328 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 - Las Vegas Harry Reid Intl or London Heathrow - San Francisco 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 (89%), Aeromexico (86%), KLM( 86%).
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 £2,680, our data indicates the cheapest price to be £357. The most popular route (London Heathrow - Los Angeles), is priced around £335.
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, September is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £570). 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

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Top 10 airlines flying from Heathrow to California

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£237	Average£521	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Finnair	Cheapest£278	Average£523	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£291	Average£398	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£309	Average£578	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Aer Lingus	Cheapest£333	Average£552	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Air Canada	Cheapest£334	Average£494	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest£337	Average£556	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Scandinavian Airlines	Cheapest£345	Average£511	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£349	Average£500	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air France	Cheapest£356	Average£488	FlexibilityNo cancel fee	On-time77%	Search Air France flights

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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 £263

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 11/12. 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 2 October 2025.

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One-way from

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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 2 October 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 2 October 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 2 October 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 2 October 2025.

Reviews of airlines servicing California

Get a feel of what it's like to fly with KLM, 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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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?

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 2 October 2025.