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

For as low as £355, Virgin Atlantic can have you in California from London Heathrow Airport in 17h 25m. London Heathrow Airport and California are separated by a distance of 5438 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 £164 on Norse Atlantic UK. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £244 and Scandinavian Airlines from £249 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 £2,697, our data indicates the cheapest price to be £352. The most popular route (London Heathrow - Los Angeles), is priced around £323.

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 (94%), Air Canada (92%), Austrian Airlines( 92%).

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

Virgin Atlantic, British Airways and Lufthansa 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.

£310+ 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 £460 and £676 in April. The cheapest return flight price found within the last 3 days was £423 on Air Canada (26 Apr-15 May).

Cheap 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 23 December 2025.

Sun 28/1210:45LHR - SNA

1 stop30h 11mDelta

Sun 18/107:45SNA - LHR

1 stop16h 05mDelta

Deal found 21/12£385

Sat 27/1210:05LHR - ONT

1 stop15h 38mUnited Airlines

Fri 9/113:24ONT - LHR

1 stop12h 16mUnited Airlines

Deal found 20/12£411

Sat 27/1210:45LHR - ONT

1 stop19h 43mMultiple Airlines

Mon 12/112:41ONT - LHR

1 stop14h 59mMultiple Airlines

Deal found 20/12£423

Sat 27/1210:05LHR - ONT

1 stop15h 38mLufthansa

Mon 12/113:53ONT - LHR

1 stop14h 07mLufthansa

Deal found 20/12£437

Sat 27/1215:20LHR - LAX

Nonstop11h 25mAustrian Airlines

Mon 16/320:00LAX - LHR

Nonstop10h 30mAustrian Airlines

Deal found 21/12£440

Sun 28/1217:20LHR - LAX

Nonstop11h 20mKLM

Sun 18/122:30LAX - LHR

Nonstop10h 20mKLM

Deal found 21/12£441

Sat 27/1215:20LHR - LAX

Nonstop11h 25mMultiple Airlines

Fri 16/119:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 21/12£442

Sun 28/1207:30LHR - LAX

1 stop17h 05mBritish Airways

Sun 18/111:05LAX - LHR

1 stop14h 10mBritish Airways

Deal found 21/12£443

Sun 28/1210:45LHR - LAX

1 stop13h 50mDelta

Sat 31/122:30LAX - LHR

Nonstop10h 20mDelta

Deal found 21/12£445

Sat 27/1215:20LHR - LAX

Nonstop11h 25mMultiple Airlines

Mon 12/119:10LAX - LHR

1 stop16h 05mMultiple Airlines

Deal found 22/12£455

Fri 26/1206:00LHR - LAX

1 stop18h 35mMultiple Airlines

Thu 1/108:40LAX - LHR

1 stop14h 00mMultiple Airlines

Deal found 21/12£461

Mon 29/1210:25LHR - LAS

2 stops22h 04mLufthansa

Tue 6/111:02LAS - LHR

1 stop16h 58mLufthansa

Deal found 21/12£468

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 23 December 2025.

Tue 17/212:20LHR - LGB

2 stops17h 25mVirgin Atlantic

Wed 25/213:15LGB - LHR

2 stops37h 00mVirgin Atlantic

Deal found 21/12£355

Tue 3/206:30LHR - SNA

2 stops18h 04mDelta

Tue 10/209:51SNA - LHR

1 stop16h 09mDelta

Deal found 20/12£368

Thu 5/209:00LHR - BUR

2 stops20h 59mUnited Airlines

Thu 12/214:04BUR - LHR

2 stops15h 26mUnited Airlines

Deal found 22/12£375

Mon 19/110:05LHR - BUR

1 stop19h 04mMultiple Airlines

Mon 26/113:14BUR - LHR

1 stop12h 46mMultiple Airlines

Deal found 21/12£397

Sat 25/409:30LHR - LAX

2 stops19h 49mAir Canada

Sat 2/508:05LAX - LHR

2 stops17h 30mAir Canada

Deal found 22/12£426

Sun 11/117:20LHR - LAX

Nonstop11h 20mKLM

Fri 6/216:35LAX - LHR

Nonstop10h 20mKLM

Deal found 21/12£446

Mon 23/207:05LHR - LAX

2 stops17h 55mScandinavian Airlines

Mon 2/319:30LAX - LHR

2 stops18h 05mScandinavian Airlines

Deal found 22/12£450

Tue 26/510:45LHR - SFO

Nonstop11h 05mBritish Airways

Sat 30/522:45SFO - LHR

1 stop14h 55mBritish Airways

Deal found 21/12£471

Mon 12/114:30LHR - LAS

1 stop13h 56mAir France

Sun 18/121:05LAS - LHR

Nonstop9h 50mAir France

Deal found 22/12£480

Wed 4/214:25LHR - SFO

2 stops34h 05mSWISS

Tue 10/219:25SFO - LHR

1 stop14h 25mSWISS

Deal found 20/12£489

Tue 14/419:05LHR - SFO

2 stops37h 09mFinnair

Wed 22/410:19SFO - LHR

1 stop13h 46mFinnair

Deal found 22/12£497

Sat 23/516:15LHR - SAN

1 stop14h 21mLufthansa

Thu 28/510:45SAN - LHR

1 stop15h 25mLufthansa

Deal found 21/12£564

Fri 6/212:50LHR - SAN

Nonstop11h 20mIberia

Fri 13/218:00SAN - LHR

Nonstop10h 35mIberia

Deal found 22/12£612

Sun 18/112:15LHR - SAN

2 stops18h 54mIcelandair

Wed 21/109:37SAN - LHR

2 stops17h 13mIcelandair

Deal found 22/12£691

Mon 12/120:00LHR - LGB

2 stops33h 45mVirgin Atlantic

Mon 26/113:05LGB - LHR

2 stops37h 35mVirgin Atlantic

Deal found 21/12£366

Thu 5/208:40LHR - ONT

2 stops20h 25mDelta

Thu 12/206:00ONT - LHR

2 stops18h 45mDelta

Deal found 22/12£370

Thu 22/107:30LHR - ONT

2 stops22h 28mUnited Airlines

Mon 26/113:53ONT - LHR

1 stop33h 32mUnited Airlines

Deal found 20/12£380

Mon 12/120:25LHR - ONT

2 stops27h 47mVirgin Atlantic

Tue 31/306:00ONT - LHR

1 stop22h 10mVirgin Atlantic

Deal found 21/12£368

Sat 21/206:30LHR - ONT

2 stops22h 35mDelta

Sat 28/222:20ONT - LHR

1 stop26h 40mDelta

Deal found 21/12£372

Thu 22/109:30LHR - SNA

2 stops20h 12mUnited Airlines

Mon 26/107:00SNA - LHR

1 stop18h 40mUnited Airlines

Deal found 19/12£380

Wed 21/112:20LHR - LGB

2 stops17h 25mVirgin Atlantic

Wed 28/113:05LGB - LHR

2 stops34h 45mVirgin Atlantic

Deal found 22/12£369

Wed 4/206:20LHR - BUR

2 stops23h 38mDelta

Wed 11/209:50BUR - LHR

2 stops14h 55mDelta

Deal found 21/12£372

Fri 3/414:30LHR - LAX

Nonstop11h 15mMultiple Airlines

Mon 20/423:15LAX - LHR

Nonstop10h 20mMultiple Airlines

Deal found 21/12£451

Mon 16/210:20LHR - LAX

1 stop14h 40mScandinavian Airlines

Thu 19/219:30LAX - LHR

1 stop29h 50mScandinavian Airlines

Deal found 22/12£453

Wed 7/116:00LHR - LAS

Nonstop10h 50mKLM

Wed 14/120:45LAS - LHR

Nonstop9h 55mKLM

Deal found 22/12£474

Wed 1/414:20LHR - SFO

Nonstop11h 10mBritish Airways

Wed 15/410:41SFO - LHR

1 stop12h 39mBritish Airways

Deal found 20/12£487

Mon 12/118:00LHR - LAS

2 stops29h 59mAir Canada

Sun 18/109:00LAS - LHR

2 stops18h 20mAir Canada

Deal found 22/12£487

Sat 17/111:35LHR - BUR

2 stops18h 24mUnited Airlines

Wed 21/120:17BUR - LHR

2 stops17h 03mUnited Airlines

Deal found 20/12£404

Tue 20/116:00LHR - LGB

2 stops37h 45mVirgin Atlantic

Tue 27/113:05LGB - LHR

2 stops37h 10mVirgin Atlantic

Deal found 21/12£370

Tue 10/317:25LHR - SFO

2 stops31h 05mSWISS

Mon 16/320:25SFO - LHR

1 stop14h 25mSWISS

Deal found 21/12£495

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 23 December 2025.

Tue 31/315:10LHR - LAX

Nonstop11h 15mBritish Airways

Sun 19/413:30LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 22/12£430

Sun 11/117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Sun 18/116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 22/12£432

Sat 31/111:20LHR - LAX

Nonstop11h 15mDelta

Sun 12/723:15LAX - LHR

Nonstop10h 20mDelta

Deal found 22/12£445

Sun 11/117:20LHR - LAX

Nonstop11h 20mDelta

Fri 30/122:30LAX - LHR

Nonstop10h 20mDelta

Deal found 21/12£446

Fri 3/415:10LHR - LAX

Nonstop11h 15mBritish Airways

Sun 19/417:05LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 21/12£448

Wed 1/414:30LHR - LAX

Nonstop11h 15mDelta

Wed 15/420:35LAX - LHR

Nonstop10h 25mDelta

Deal found 22/12£450

Fri 3/414:30LHR - LAX

Nonstop11h 15mMultiple Airlines

Mon 20/423:15LAX - LHR

Nonstop10h 20mMultiple Airlines

Deal found 21/12£451

Fri 13/217:20LHR - LAX

Nonstop11h 20mDelta

Sun 7/615:50LAX - LHR

Nonstop10h 25mDelta

Deal found 21/12£456

Sat 23/510:45LHR - SFO

Nonstop11h 05mBritish Airways

Sat 30/516:35SFO - LHR

Nonstop10h 25mBritish Airways

Deal found 22/12£457

Mon 26/116:00LHR - LAS

Nonstop10h 50mVirgin Atlantic

Tue 10/220:45LAS - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 22/12£457

Wed 1/414:30LHR - LAX

Nonstop11h 15mDelta

Thu 16/420:35LAX - LHR

Nonstop10h 25mDelta

Deal found 22/12£459

Sun 31/510:45LHR - SFO

Nonstop11h 05mIberia

Wed 3/616:35SFO - LHR

Nonstop10h 25mIberia

Deal found 22/12£460

Last-minute flights from Heathrow to California
Discover last-minute flight deals from Heathrow to California. Data last updated 23 December 2025 and is based on user searches.

Sun 4/108:55LHR - SNA

2 stops34h 54mDelta

Mon 12/107:00SNA - LHR

1 stop19h 00mDelta

Deal found 22/12£382

Mon 5/116:00LHR - SNA

1 stop25h 16mDelta

Tue 13/109:51SNA - LHR

2 stops14h 54mDelta

Deal found 22/12£380

Mon 12/120:25LHR - ONT

2 stops34h 26mVirgin Atlantic

Mon 26/107:30ONT - LHR

2 stops28h 40mVirgin Atlantic

Deal found 20/12£363

Mon 12/111:35LHR - SNA

1 stop13h 53mLufthansa

Fri 20/218:35SNA - LHR

1 stop33h 25mLufthansa

Deal found 20/12£363

Mon 12/120:00LHR - LGB

2 stops33h 45mVirgin Atlantic

Mon 26/113:05LGB - LHR

2 stops37h 35mVirgin Atlantic

Deal found 21/12£366

Mon 12/120:25LHR - ONT

2 stops27h 47mVirgin Atlantic

Tue 31/313:20ONT - LHR

2 stops16h 55mVirgin Atlantic

Deal found 21/12£368

Mon 12/108:55LHR - ONT

1 stop20h 10mDelta

Mon 26/112:41ONT - LHR

1 stop14h 59mDelta

Deal found 22/12£380

Tue 13/110:45LHR - ONT

1 stop13h 27mDelta

Thu 29/112:41ONT - LHR

1 stop14h 59mDelta

Deal found 22/12£377

Sat 17/110:45LHR - ONT

1 stop19h 03mVirgin Atlantic

Sat 24/112:41ONT - LHR

1 stop33h 44mVirgin Atlantic

Deal found 20/12£357

Sun 18/111:05LHR - SNA

1 stop17h 27mDelta

Sun 25/111:15SNA - LHR

1 stop15h 15mDelta

Deal found 21/12£384

Tue 20/117:20LHR - LGB

2 stops36h 25mVirgin Atlantic

Tue 27/107:00LGB - LHR

1 stop19h 00mVirgin Atlantic

Deal found 21/12£375

Thu 22/112:30LHR - ONT

1 stop16h 35mDelta

Sat 31/112:41ONT - LHR

1 stop14h 59mDelta

Deal found 20/12£384

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 23 December 2025.

Mon 9/218:45LHR - ONT

2 stops32h 00mBritish Airways

Deal found 21/12£310

Tue 17/208:20LHR - ONT

1 stop16h 04mBritish Airways

Deal found 20/12£315

Wed 11/206:15LHR - ONT

2 stops24h 33mBritish Airways

Deal found 21/12£319

Tue 3/214:50LHR - SAN

1 stop28h 57mWestJet

Deal found 21/12£319

Mon 2/213:30LHR - ONT

2 stops17h 23mUnited Airlines

Deal found 20/12£321

Tue 17/210:45LHR - SNA

1 stop13h 47mVirgin Atlantic

Deal found 20/12£322

Sun 25/114:50LHR - SAN

1 stop28h 55mWestJet

Deal found 22/12£322

Mon 27/414:25LHR - ONT

1 stop15h 31mBritish Airways

Deal found 19/12£324

Tue 10/210:35LHR - ONT

1 stop20h 13mMultiple Airlines

Deal found 22/12£326

Tue 21/410:05LHR - ONT

1 stop15h 40mBritish Airways

Deal found 20/12£327

Wed 17/611:35LHR - SAN

Nonstop11h 20mBritish Airways

Deal found 22/12£328

Fri 6/214:50LHR - LAS

1 stop36h 08mWestJet

Deal found 21/12£328

Find flight deals from Heathrow to California

Round-trip from	£293
Popular in	December
Cheapest in	September
Average price	£593
Good round-trip deal	£480 or less
Good one-way deal	£319 or less

Delta
15/4-20/4
2 total stops
34h 15m total
London to California

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£19 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 December 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

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

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

Tue 17/2

12:20-21:45

2 stops17h 25m

Long Beach Municipal

Wed 25/2

13:15-10:15

2 stops37h 00m

£355

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

Mon 12/1

20:00-21:45

2 stops33h 45m

Long Beach Municipal

Mon 26/1

13:05-10:40

2 stops37h 35m

£366

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Tue 3/2

06:30-16:34

2 stops18h 04m

Santa Ana J. Wayne/Orange Cnty

Tue 10/2

09:51-10:00

1 stop16h 09m

£368

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 12/1

20:25-16:12

2 stops27h 47m

Ontario

Tue 31/3

06:00-12:10

1 stop22h 10m

£368

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

Wed 21/1

12:20-21:45

2 stops17h 25m

Long Beach Municipal

Wed 28/1

13:05-07:50

2 stops34h 45m

£369

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 5/2

08:40-21:05

2 stops20h 25m

Ontario

Thu 12/2

06:00-08:45

2 stops18h 45m

£370

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

Tue 20/1

16:00-21:45

2 stops37h 45m

Long Beach Municipal

Tue 27/1

13:05-10:15

2 stops37h 10m

£370

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 21/2

06:30-21:05

2 stops22h 35m

Ontario

Sat 28/2

22:20-09:00

1 stop26h 40m

£372

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Wed 4/2

06:20-21:58

2 stops23h 38m

Burbank Bob Hope

Wed 11/2

09:50-08:45

2 stops14h 55m

£372

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Thu 5/2

09:00-21:59

2 stops20h 59m

Burbank Bob Hope

Thu 12/2

14:04-13:30

2 stops15h 26m

£375

Flights are sorted by cheapest return flights first.

Deals found on 21/12

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, December is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £338). Flying from London Heathrow Airport to California in July is currently the most expensive (average of £401). 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 fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 15% versus a flight at midday.

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

Travellers seeking maximum savings on their London Heathrow Airport to California flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to California

The most flights from LHR to USCA are scheduled on a Saturday (52 on average). You will have fewer flight options on Wednesday, 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 KLM, Virgin Atlantic, andUnited Airlines from London Heathrow Airport to California by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.7

Good

1,434 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

KLM

7.7

Good

1,434 reviews

KLM

7.7

Good

1,434 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Virgin Atlantic

7.5

Good

677 reviews

KLM

7.7

Good

1,434 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

United Airlines

7.4

Good

9,105 reviews

KLM

7.7

Good

1,434 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Lufthansa

6.8

Okay

7,649 reviews

KLM

7.7

Good

1,434 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

British Airways

6.7

Okay

7,605 reviews

KLM

7.7

Good

1,434 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

How long is the flight from London Heathrow Airport to California?
For as low as £355, Virgin Atlantic can have you in California from London Heathrow Airport in 17h 25m. London Heathrow Airport and California are separated by a distance of 5438 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 £164 on Norse Atlantic UK. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £244 and Scandinavian Airlines from £249 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 (94%), Air Canada (92%), Austrian Airlines( 92%).
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 £2,697, our data indicates the cheapest price to be £352. The most popular route (London Heathrow - Los Angeles), is priced around £323.
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, December is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £338). Flying from London Heathrow Airport to California in July is currently the most expensive (average of £401). 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£546	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Finnair	Cheapest£279	Average£529	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£292	Average£398	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£310	Average£571	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Aer Lingus	Cheapest£334	Average£904	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Air Canada	Cheapest£335	Average£504	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Scandinavian Airlines	Cheapest£337	Average£496	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
United Airlines	Cheapest£338	Average£540	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Virgin Atlantic	Cheapest£339	Average£518	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Brussels Airlines	Cheapest£357	Average£481	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 £310

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 23 December 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 23 December 2025.

Find flight deals from Heathrow to California

Keep the following information in mind while searching for Heathrow to California flight deals. Data was last updated 23 December 2025.

Round-trip from

Popular in

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Average price

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Good one-way deal

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 23 December 2025.

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

Use this chart to determine the cheapest time to fly return from Heathrow to California. Price data was last updated on 16 December 2024.

Weekly flight availability from London Heathrow Airport to California

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 KLM, Virgin Atlantic, andUnited Airlines from London Heathrow Airport to California by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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 23 December 2025.