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

For as low as £360, 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 WestJet from £300 and Virgin Atlantic from £318 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 £2,662, our data indicates the cheapest price to be £355. The most popular route (London Heathrow - Los Angeles), is priced around £309.

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.

£237+ Flights from London Heathrow Airport to California

Cheap flight deals from Heathrow to California

Round-trip from	£349
One-way from	£237
Popular in	December
Cheapest in	September
Average price	£399
Good round-trip deal	£403 or less
Good one-way deal	£468 or less

Virgin Atlantic
8/10-5/11
1 total stop
24h 30m total
London to California

Search Deals

LEVEL
13/12
1 total stop
29h 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 18 September 2025.

Wed 8/1008:40LHR - LAX

1 stop14h 10mVirgin Atlantic

Wed 5/1116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£349

Wed 8/1008:40LHR - LAX

1 stop14h 10mVirgin Atlantic

Wed 15/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 16/9£350

Tue 7/1006:30LHR - LAX

1 stop13h 20mVirgin Atlantic

Fri 17/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 16/9£350

Wed 8/1007:40LHR - LAX

1 stop18h 45mAer Lingus

Wed 15/1020:15LAX - LHR

1 stop15h 10mAer Lingus

Deal found 16/9£351

Tue 23/908:50LHR - LAX

1 stop17h 35mAer Lingus

Thu 2/1020:15LAX - LHR

1 stop15h 10mAer Lingus

Deal found 16/9£352

Fri 26/906:00LHR - LAX

1 stop15h 05mMultiple Airlines

Fri 10/1008:25LAX - LHR

1 stop14h 50mMultiple Airlines

Deal found 16/9£352

Mon 22/906:00LHR - LAX

1 stop18h 30mMultiple Airlines

Wed 8/1016:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 16/9£353

Wed 24/908:50LHR - LAX

1 stop17h 35mAer Lingus

Wed 1/1020:15LAX - LHR

1 stop14h 40mAer Lingus

Deal found 16/9£354

Fri 31/1011:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Fri 7/1122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£355

Wed 1/1020:05LHR - LAX

1 stop28h 25mMultiple Airlines

Sat 11/1008:05LAX - LHR

1 stop14h 25mMultiple Airlines

Deal found 16/9£355

Fri 21/1117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Sat 29/1122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£356

Fri 21/1107:50LHR - LAX

1 stop18h 40mAer Lingus

Sat 6/1220:15LAX - LHR

1 stop12h 35mAer Lingus

Deal found 17/9£357

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 18 September 2025.

Thu 6/1109:00LHR - LAX

1 stop15h 35mUnited Airlines

Thu 13/1119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 16/9£360

Wed 5/1109:00LHR - LAX

1 stop15h 35mMultiple Airlines

Wed 12/1119:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 16/9£360

Mon 6/1006:00LHR - LAX

1 stop15h 05mAustrian Airlines

Sat 18/1016:40LAX - LHR

Nonstop10h 30mAustrian Airlines

Deal found 17/9£364

Tue 25/1107:40LHR - LAX

1 stop15h 35mLufthansa

Sun 14/1219:00LAX - LHR

Nonstop10h 30mLufthansa

Deal found 17/9£364

Wed 8/1011:45LHR - LGB

2 stops17h 48mVirgin Atlantic

Wed 15/1007:00LGB - LHR

2 stops44h 20mVirgin Atlantic

Deal found 18/9£371

Thu 2/1010:50LHR - SNA

2 stops42h 30mBritish Airways

Thu 16/1016:43SNA - LHR

1 stop29h 42mBritish Airways

Deal found 17/9£377

Fri 6/308:20LHR - BUR

2 stops17h 47mAmerican Airlines

Tue 10/308:40BUR - LHR

2 stops17h 00mAmerican Airlines

Deal found 14/9£391

Fri 31/1011:45LHR - BUR

2 stops31h 00mDelta

Sat 29/1107:00BUR - LHR

1 stop19h 00mDelta

Deal found 15/9£394

Tue 7/1008:45LHR - LAX

1 stop15h 45mUnited Airlines

Fri 17/1010:15LAX - LHR

1 stop17h 20mUnited Airlines

Deal found 16/9£360

Fri 31/1009:00LHR - LAX

1 stop15h 35mMultiple Airlines

Fri 7/1119:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 17/9£362

Mon 29/919:30LHR - LAX

1 stop25h 35mAustrian Airlines

Mon 6/1016:40LAX - LHR

Nonstop10h 30mAustrian Airlines

Deal found 17/9£364

Fri 31/1012:20LHR - BUR

2 stops40h 28mVirgin Atlantic

Fri 7/1112:40BUR - LHR

1 stop33h 45mVirgin Atlantic

Deal found 16/9£376

Thu 2/1010:50LHR - SNA

2 stops42h 30mBritish Airways

Fri 17/1014:41SNA - LHR

1 stop14h 04mBritish Airways

Deal found 17/9£377

Wed 8/1006:30LHR - LGB

2 stops23h 03mDelta

Thu 16/1007:00LGB - LHR

2 stops20h 20mDelta

Deal found 17/9£396

Fri 31/1009:00LHR - LAX

1 stop15h 35mUnited Airlines

Wed 12/1100:25LAX - LHR

1 stop21h 30mUnited Airlines

Deal found 17/9£362

Mon 6/1013:25LHR - LGB

2 stops40h 08mVirgin Atlantic

Tue 14/1007:00LGB - LHR

2 stops44h 20mVirgin Atlantic

Deal found 16/9£380

Sat 8/1108:20LHR - SNA

1 stop15h 46mMultiple Airlines

Sun 9/1116:25SNA - LHR

1 stop12h 50mMultiple Airlines

Deal found 16/9£390

Wed 1/1010:30LHR - ONT

1 stop20h 03mBritish Airways

Wed 19/1116:47ONT - LHR

1 stop12h 28mBritish Airways

Deal found 15/9£391

Sun 5/1012:20LHR - SFO

Nonstop11h 05mAustrian Airlines

Fri 17/1013:05SFO - LHR

Nonstop10h 20mAustrian Airlines

Deal found 17/9£394

Tue 7/1006:30LHR - LGB

2 stops17h 42mDelta

Tue 21/1007:00LGB - LHR

1 stop18h 50mDelta

Deal found 17/9£396

Fri 5/1206:35LHR - LAX

1 stop16h 40mUnited Airlines

Fri 6/219:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 16/9£362

Fri 31/1010:45LHR - SJC

1 stop18h 32mVirgin Atlantic

Fri 7/1106:35SJC - LHR

1 stop17h 15mVirgin Atlantic

Deal found 16/9£382

Sun 16/1116:30LHR - ONT

1 stop15h 27mBritish Airways

Tue 25/1112:49ONT - LHR

1 stop14h 51mBritish Airways

Deal found 14/9£391

Fri 31/1016:30LHR - BUR

1 stop26h 12mMultiple Airlines

Fri 7/1112:31BUR - LHR

1 stop15h 09mMultiple Airlines

Deal found 16/9£391

Wed 8/1006:30LHR - LGB

2 stops23h 03mDelta

Tue 21/1016:52LGB - LHR

2 stops29h 53mDelta

Deal found 17/9£396

Sun 2/1105:30LHR - LAX

1 stop14h 35mUnited Airlines

Sun 9/1114:10LAX - LHR

1 stop13h 40mUnited Airlines

Deal found 16/9£364

Thu 6/1106:30LHR - LAS

2 stops21h 37mLufthansa

Thu 4/1213:01LAS - LHR

1 stop12h 39mLufthansa

Deal found 18/9£503

Tue 30/908:20LHR - LAS

1 stop15h 24mAmerican Airlines

Wed 26/1111:56LAS - LHR

1 stop13h 19mAmerican Airlines

Deal found 18/9£506

Thu 6/1120:00LHR - LGB

2 stops57h 33mVirgin Atlantic

Mon 10/1113:15LGB - LHR

2 stops15h 35mVirgin Atlantic

Deal found 16/9£388

Sat 15/1111:45LHR - ONT

1 stop17h 26mBritish Airways

Tue 25/1116:47ONT - LHR

1 stop12h 28mBritish Airways

Deal found 14/9£391

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 18 September 2025.

Thu 20/1117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Mon 24/1116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£352

Wed 8/1017:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Wed 5/1122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£352

Tue 7/1009:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Wed 15/1022:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 16/9£353

Tue 18/1111:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Tue 2/1216:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 17/9£354

Fri 31/1011:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Fri 7/1122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£355

Sun 28/909:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Sun 19/1022:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 16/9£355

Mon 6/1017:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Tue 14/1015:45LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 17/9£356

Fri 21/1117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Sun 7/1222:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 17/9£357

Mon 6/1009:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Wed 15/1022:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 17/9£358

Fri 20/217:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Mon 9/323:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£359

Fri 27/211:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Thu 12/317:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£360

Tue 10/217:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Wed 18/216:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£360

Last-minute flights from Heathrow to California
Discover last-minute flight deals from Heathrow to California. Data last updated 18 September 2025 and is based on user searches.

Mon 22/906:00LHR - LAX

1 stop18h 30mMultiple Airlines

Wed 8/1016:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 16/9£353

Tue 23/908:50LHR - LAX

1 stop17h 35mAer Lingus

Thu 2/1020:15LAX - LHR

1 stop15h 10mAer Lingus

Deal found 16/9£352

Wed 24/908:40LHR - LAX

1 stop15h 50mMultiple Airlines

Tue 30/908:25LAX - LHR

1 stop13h 55mMultiple Airlines

Deal found 16/9£354

Fri 26/906:00LHR - LAX

1 stop15h 05mMultiple Airlines

Fri 10/1008:25LAX - LHR

1 stop14h 50mMultiple Airlines

Deal found 16/9£352

Wed 1/1020:05LHR - LAX

1 stop28h 25mMultiple Airlines

Sat 11/1008:05LAX - LHR

1 stop14h 25mMultiple Airlines

Deal found 16/9£355

Tue 7/1006:30LHR - LAX

1 stop13h 20mVirgin Atlantic

Fri 17/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 16/9£350

Wed 8/1008:40LHR - LAX

1 stop14h 10mVirgin Atlantic

Wed 5/1116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£349

Wed 8/1008:40LHR - LAX

1 stop14h 10mVirgin Atlantic

Wed 15/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 16/9£350

Wed 8/1007:40LHR - LAX

1 stop18h 45mAer Lingus

Wed 15/1020:15LAX - LHR

1 stop15h 10mAer Lingus

Deal found 16/9£351

Mon 27/1018:40LHR - LAX

1 stop29h 55mMultiple Airlines

Wed 5/1119:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 17/9£356

Thu 30/1007:50LHR - LAX

1 stop18h 40mAer Lingus

Mon 3/1120:15LAX - LHR

1 stop16h 50mAer Lingus

Deal found 16/9£357

Fri 31/1011:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Fri 7/1122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£355

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 18 September 2025.

Sat 13/1220:50LHR - LAX

1 stop29h 20mLEVEL

Deal found 16/9£237

Sun 15/309:55LHR - LAX

1 stop16h 15mLEVEL

Deal found 16/9£242

Fri 31/1016:30LHR - ONT

1 stop24h 23mIberia

Deal found 15/9£246

Fri 31/1008:20LHR - BUR

1 stop15h 23mMultiple Airlines

Deal found 15/9£246

Mon 2/218:50LHR - LAX

1 stop31h 15mLEVEL

Deal found 16/9£250

Sat 14/320:50LHR - LAX

1 stop29h 15mMultiple Airlines

Deal found 16/9£255

Sat 13/1220:50LHR - LAX

1 stop29h 20mMultiple Airlines

Deal found 16/9£258

Fri 31/1019:10LHR - ONT

2 stops25h 33mMultiple Airlines

Deal found 15/9£259

Wed 10/1218:50LHR - LAX

1 stop32h 20mLEVEL

Deal found 17/9£262

Mon 15/1209:55LHR - LAX

1 stop40h 10mMultiple Airlines

Deal found 16/9£263

Sat 15/1106:00LHR - LAX

1 stop17h 00mTAP AIR PORTUGAL

Deal found 17/9£265

Fri 21/1120:50LHR - LAX

2 stops54h 20mMultiple Airlines

Deal found 17/9£267

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

Thu 6/11

09:00-16:35

1 stop15h 35m

Los Angeles

Thu 13/11

19:00-13:30

Nonstop10h 30m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 5/11

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 12/11

19:00-13:30

Nonstop10h 30m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 7/10

08:45-16:30

1 stop15h 45m

Los Angeles

Fri 17/10

10:15-11:35

1 stop17h 20m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 31/10

09:00-17:35

1 stop15h 35m

Los Angeles

Fri 7/11

19:00-13:30

Nonstop10h 30m

£362

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 31/10

09:00-17:35

1 stop15h 35m

Los Angeles

Wed 12/11

00:25-05:55

1 stop21h 30m

£362

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 5/12

06:35-15:15

1 stop16h 40m

Los Angeles

Fri 6/2

19:00-13:30

Nonstop10h 30m

£362

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 6/10

06:00-13:05

1 stop15h 05m

Los Angeles

Sat 18/10

16:40-11:10

Nonstop10h 30m

£364

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 25/11

07:40-15:15

1 stop15h 35m

Los Angeles

Sun 14/12

19:00-13:30

Nonstop10h 30m

£364

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 29/9

19:30-13:05

1 stop25h 35m

Los Angeles

Mon 6/10

16:40-11:10

Nonstop10h 30m

£364

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 2/11

05:30-13:05

1 stop14h 35m

Los Angeles

Sun 9/11

14:10-11:50

1 stop13h 40m

£364

Flights are sorted by cheapest return flights first.

Deals found on 17/9

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, September is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £573). 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 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 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

1,324 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

1,324 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

United Airlines

7.4

Good

8,926 reviews

Finnair

7.6

Good

1,324 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

1,324 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

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

British Airways

6.7

Okay

7,367 reviews

Finnair

7.6

Good

1,324 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 £360, 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 WestJet from £300 and Virgin Atlantic from £318 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 (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 £2,662, our data indicates the cheapest price to be £355. The most popular route (London Heathrow - Los Angeles), is priced around £309.
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 £573). 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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Heathrow to LaGuardia flights

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London City to Boston flights

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Heathrow to George Bush Intcntl flights

Gatwick to Las Vegas flights

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Stansted to Miami flights

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Top 10 airlines flying from Heathrow to California

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£234	Average£512	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Finnair	Cheapest£275	Average£512	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£287	Average£391	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£305	Average£572	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Aer Lingus	Cheapest£329	Average£551	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
United Airlines	Cheapest£332	Average£552	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Scandinavian Airlines	Cheapest£341	Average£509	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£345	Average£493	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air France	Cheapest£349	Average£479	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Brussels Airlines	Cheapest£351	Average£467	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines 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 £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 13/12. 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 18 September 2025.

Round-trip from

One-way from

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Average price

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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 18 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 18 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 18 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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?

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 18 September 2025.