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

For as low as £404, United Airlines can have you in California from London Heathrow Airport in 19h 40m. London Heathrow Airport and California are separated by a distance of 5352 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 £163 on Norse Atlantic UK. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £245 and Scandinavian Airlines from £248 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 £2,682, our data indicates the cheapest price to be £350. The most popular route (London Heathrow - Los Angeles), is priced around £295.

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

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 28 December 2025.

Mon 29/1206:30LHR - ONT

2 stops18h 38mDelta

Wed 7/115:30ONT - LHR

2 stops32h 35mDelta

Deal found 27/12£481

Mon 29/1211:45LHR - SNA

2 stops30h 50mDelta

Fri 9/107:00SNA - LHR

2 stops16h 05mDelta

Deal found 26/12£481

Wed 31/1210:05LHR - LAX

Nonstop11h 25mBritish Airways

Tue 6/115:30LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 27/12£481

Tue 30/1210:45LHR - ONT

1 stop33h 44mDelta

Thu 8/122:30ONT - LHR

2 stops25h 35mDelta

Deal found 27/12£493

Wed 31/1216:50LHR - SNA

2 stops26h 04mDelta

Sat 10/107:00SNA - LHR

2 stops16h 05mDelta

Deal found 26/12£493

Mon 29/1215:50LHR - BUR

2 stops32h 23mDelta

Sat 10/113:30BUR - LHR

2 stops32h 50mDelta

Deal found 26/12£493

Sun 28/1210:45LHR - ONT

1 stop13h 27mDelta

Sat 17/113:11ONT - LHR

1 stop12h 49mDelta

Deal found 27/12£494

Mon 29/1212:20LHR - SNA

2 stops17h 44mDelta

Thu 8/108:00SNA - LHR

1 stop15h 05mDelta

Deal found 27/12£494

Mon 29/1211:05LHR - BUR

2 stops30h 01mDelta

Thu 8/116:48BUR - LHR

2 stops30h 02mDelta

Deal found 27/12£494

Fri 26/1206:00LHR - SFO

1 stop18h 05mTAP AIR PORTUGAL

Wed 21/116:35SFO - LHR

1 stop22h 05mTAP AIR PORTUGAL

Deal found 25/12£518

Sun 28/1212:20LHR - ONT

1 stop18h 29mVirgin Atlantic

Thu 15/107:30ONT - LHR

1 stop20h 25mVirgin Atlantic

Deal found 27/12£523

Fri 26/1219:55LHR - SFO

1 stop26h 50mTAP AIR PORTUGAL

Sat 31/116:35SFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 26/12£546

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 28 December 2025.

Thu 5/209:00LHR - BUR

2 stops20h 59mUnited Airlines

Mon 9/209:00BUR - LHR

2 stops18h 05mUnited Airlines

Deal found 26/12£359

Wed 4/311:40LHR - BUR

2 stops42h 20mVirgin Atlantic

Sat 7/313:40BUR - LHR

1 stop32h 45mVirgin Atlantic

Deal found 27/12£379

Tue 10/314:30LHR - SNA

1 stop15h 04mDelta

Tue 24/311:07SNA - LHR

1 stop17h 48mDelta

Deal found 26/12£381

Sun 25/111:10LHR - LAX

2 stops18h 50mMultiple Airlines

Sun 1/208:50LAX - LHR

2 stops15h 40mMultiple Airlines

Deal found 27/12£412

Wed 14/115:15LHR - SJC

2 stops39h 00mIberia

Tue 20/106:00SJC - LHR

1 stop16h 50mIberia

Deal found 26/12£429

Wed 4/216:30LHR - SJC

1 stop29h 12mBritish Airways

Wed 25/206:00SJC - LHR

1 stop20h 00mBritish Airways

Deal found 26/12£433

Mon 12/118:40LHR - LAX

1 stop29h 55mSWISS

Mon 26/111:40LAX - LHR

2 stops20h 40mSWISS

Deal found 27/12£438

Mon 2/310:35LHR - LAX

2 stops38h 25mScandinavian Airlines

Mon 9/320:30LAX - LHR

1 stop14h 10mScandinavian Airlines

Deal found 26/12£443

Tue 31/309:55LHR - LAX

Nonstop11h 15mKLM

Wed 8/420:35LAX - LHR

Nonstop10h 25mKLM

Deal found 27/12£448

Mon 2/209:20LHR - LAS

1 stop22h 39mJetBlue

Fri 6/223:59LAS - LHR

1 stop14h 01mJetBlue

Deal found 27/12£449

Tue 3/215:35LHR - SFO

1 stop17h 12mFinnair

Thu 12/220:40SFO - LHR

Nonstop10h 30mFinnair

Deal found 26/12£460

Fri 16/107:40LHR - SMF

2 stops19h 59mLufthansa

Thu 5/207:00SMF - LHR

1 stop16h 55mLufthansa

Deal found 24/12£498

Thu 21/506:00LHR - SAN

2 stops22h 43mAir Canada

Mon 25/513:15SAN - LHR

1 stop14h 35mAir Canada

Deal found 27/12£524

Mon 26/109:00LHR - BUR

2 stops20h 59mUnited Airlines

Mon 2/218:33BUR - LHR

1 stop28h 52mUnited Airlines

Deal found 27/12£359

Mon 9/314:30LHR - SNA

1 stop15h 04mDelta

Tue 24/311:07SNA - LHR

1 stop16h 23mDelta

Deal found 26/12£381

Sun 25/109:00LHR - BUR

2 stops20h 59mUnited Airlines

Sun 1/220:17BUR - LHR

2 stops26h 23mUnited Airlines

Deal found 26/12£360

Tue 31/311:40LHR - SNA

1 stop18h 55mDelta

Tue 14/410:58SNA - LHR

1 stop19h 17mDelta

Deal found 26/12£381

Thu 15/110:05LHR - SJC

1 stop20h 10mBritish Airways

Mon 19/111:51SJC - LHR

1 stop15h 49mBritish Airways

Deal found 26/12£433

Fri 23/113:30LHR - ONT

2 stops17h 23mUnited Airlines

Fri 30/113:24ONT - LHR

1 stop12h 16mUnited Airlines

Deal found 26/12£364

Thu 15/121:05LHR - SFO

2 stops25h 30mScandinavian Airlines

Mon 16/216:40SFO - LHR

2 stops19h 15mScandinavian Airlines

Deal found 26/12£457

Mon 9/315:50LHR - BUR

1 stop28h 14mDelta

Tue 24/313:59BUR - LHR

1 stop14h 41mDelta

Deal found 26/12£381

Fri 20/217:20LHR - OAK

2 stops36h 26mVirgin Atlantic

Fri 6/305:55OAK - LHR

1 stop20h 05mVirgin Atlantic

Deal found 26/12£468

Fri 10/410:05LHR - SFO

1 stop16h 24mFinnair

Sun 19/416:35SFO - LHR

Nonstop10h 25mFinnair

Deal found 27/12£468

Fri 16/114:55LHR - OAK

1 stop13h 45mMultiple Airlines

Thu 29/110:30OAK - LHR

2 stops18h 45mMultiple Airlines

Deal found 25/12£474

Tue 10/216:00LHR - LAS

Nonstop10h 50mKLM

Tue 17/220:45LAS - LHR

Nonstop9h 55mKLM

Deal found 26/12£476

Thu 15/110:05LHR - SJC

1 stop20h 10mBritish Airways

Tue 20/112:50SJC - LHR

1 stop16h 25mBritish Airways

Deal found 27/12£433

Wed 25/307:00LHR - SFO

2 stops17h 30mSWISS

Tue 31/314:30SFO - LHR

2 stops19h 20mSWISS

Deal found 26/12£477

Wed 11/306:30LHR - ONT

2 stops23h 27mUnited Airlines

Thu 26/313:50ONT - LHR

1 stop12h 50mUnited Airlines

Deal found 26/12£364

Tue 24/219:50LHR - SFO

2 stops50h 45mScandinavian Airlines

Fri 27/216:40SFO - LHR

1 stop15h 20mScandinavian Airlines

Deal found 27/12£458

Tue 10/315:50LHR - BUR

1 stop28h 14mDelta

Tue 24/313:59BUR - LHR

1 stop14h 41mDelta

Deal found 26/12£381

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 28 December 2025.

Mon 12/116:55LHR - LAX

Nonstop11h 30mMultiple Airlines

Sun 18/119:25LAX - LHR

Nonstop10h 35mMultiple Airlines

Deal found 26/12£405

Fri 22/515:10LHR - LAX

Nonstop11h 15mBritish Airways

Thu 28/520:55LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 27/12£406

Fri 12/614:45LHR - LAX

Nonstop11h 20mMultiple Airlines

Fri 19/620:55LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 27/12£406

Fri 30/111:50LHR - LAX

Nonstop11h 30mFinnair

Thu 5/217:30LAX - LHR

Nonstop10h 35mFinnair

Deal found 26/12£407

Sun 15/315:10LHR - LAX

Nonstop11h 20mBritish Airways

Fri 27/322:00LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 27/12£409

Mon 22/614:45LHR - LAX

Nonstop11h 20mBritish Airways

Sun 12/713:30LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 26/12£411

Mon 1/611:40LHR - LAX

Nonstop11h 15mMultiple Airlines

Mon 8/613:30LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 27/12£413

Sat 16/511:40LHR - LAX

Nonstop11h 15mBritish Airways

Sat 30/520:55LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 27/12£414

Thu 4/614:45LHR - LAX

Nonstop11h 20mIberia

Tue 9/620:55LAX - LHR

Nonstop10h 30mIberia

Deal found 26/12£416

Sat 28/211:20LHR - LAX

Nonstop11h 15mDelta

Thu 16/720:35LAX - LHR

Nonstop10h 25mDelta

Deal found 26/12£417

Sat 11/409:55LHR - LAX

Nonstop11h 15mDelta

Wed 15/420:35LAX - LHR

Nonstop10h 25mDelta

Deal found 26/12£419

Wed 4/216:00LHR - LAS

Nonstop10h 50mVirgin Atlantic

Mon 9/220:45LAS - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 27/12£450

Last-minute flights from Heathrow to California
Discover last-minute flight deals from Heathrow to California. Data last updated 28 December 2025 and is based on user searches.

Tue 20/111:10LHR - BUR

2 stops18h 49mUnited Airlines

Sun 25/109:00BUR - LHR

1 stop16h 40mUnited Airlines

Deal found 27/12£363

Tue 20/114:30LHR - SNA

2 stops35h 59mAir Canada

Sun 25/112:25SNA - LHR

2 stops37h 45mAir Canada

Deal found 27/12£374

Thu 22/107:30LHR - ONT

2 stops22h 28mUnited Airlines

Mon 26/106:00ONT - LHR

1 stop20h 15mUnited Airlines

Deal found 26/12£364

Thu 22/106:35LHR - SNA

2 stops19h 54mUnited Airlines

Mon 26/109:00SNA - LHR

1 stop16h 40mUnited Airlines

Deal found 25/12£381

Fri 23/109:30LHR - SNA

2 stops20h 12mUnited Airlines

Mon 26/111:05SNA - LHR

1 stop14h 35mUnited Airlines

Deal found 26/12£364

Fri 23/110:05LHR - ONT

1 stop20h 43mIberia

Fri 30/110:58ONT - LHR

1 stop16h 42mIberia

Deal found 26/12£372

Fri 23/110:05LHR - ONT

1 stop15h 17mBritish Airways

Tue 27/116:45ONT - LHR

1 stop12h 30mBritish Airways

Deal found 26/12£378

Fri 23/110:05LHR - ONT

1 stop15h 17mBritish Airways

Wed 28/116:45ONT - LHR

1 stop12h 30mBritish Airways

Deal found 27/12£379

Fri 23/110:05LHR - ONT

1 stop15h 17mBritish Airways

Fri 13/214:44ONT - LHR

1 stop12h 56mBritish Airways

Deal found 26/12£381

Sun 25/109:00LHR - BUR

2 stops20h 59mUnited Airlines

Sun 1/213:10BUR - LHR

1 stop12h 30mUnited Airlines

Deal found 26/12£360

Mon 26/114:30LHR - ONT

1 stop16h 21mVirgin Atlantic

Mon 2/206:00ONT - LHR

1 stop20h 00mVirgin Atlantic

Deal found 27/12£358

Mon 26/109:00LHR - BUR

2 stops20h 59mUnited Airlines

Mon 2/218:33BUR - LHR

1 stop28h 52mUnited Airlines

Deal found 27/12£359

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 28 December 2025.

Tue 3/306:00LHR - ONT

2 stops20h 39mBritish Airways

Deal found 26/12£310

Mon 2/319:40LHR - ONT

2 stops28h 44mBritish Airways

Deal found 26/12£311

Sat 17/114:50LHR - SAN

1 stop28h 55mWestJet

Deal found 27/12£312

Wed 4/308:20LHR - ONT

1 stop16h 04mBritish Airways

Deal found 26/12£316

Tue 3/306:30LHR - ONT

2 stops19h 11mUnited Airlines

Deal found 27/12£321

Mon 9/213:30LHR - ONT

2 stops17h 23mUnited Airlines

Deal found 28/12£322

Wed 18/210:45LHR - ONT

1 stop21h 04mVirgin Atlantic

Deal found 26/12£323

Mon 9/312:30LHR - SNA

1 stop16h 42mVirgin Atlantic

Deal found 27/12£323

Tue 17/206:00LHR - SJC

2 stops23h 29mBritish Airways

Deal found 26/12£326

Mon 9/214:50LHR - SAN

3 stops37h 34mMultiple Airlines

Deal found 26/12£327

Tue 17/309:55LHR - ONT

1 stop16h 50mBritish Airways

Deal found 27/12£328

Tue 24/208:20LHR - ONT

1 stop16h 04mBritish Airways

Deal found 27/12£329

Find flight deals from Heathrow to California

Round-trip from	£358
One-way from	£310
Popular in	December
Cheapest in	September
Average price	£584
Good round-trip deal	£471 or less
Good one-way deal	£318 or less

Virgin Atlantic
26/1-2/2
2 total stops
36h 21m total
London to California

Search Deals

British Airways
3/3
2 total stops
20h 39m total
London to California

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£18 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

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Thu 5/2

09:00-21:59

2 stops20h 59m

Burbank Bob Hope

Mon 9/2

09:00-11:05

2 stops18h 05m

£359

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Mon 26/1

09:00-21:59

2 stops20h 59m

Burbank Bob Hope

Mon 2/2

18:33-07:25

1 stop28h 52m

£359

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Sun 25/1

09:00-21:59

2 stops20h 59m

Burbank Bob Hope

Sun 1/2

20:17-06:40

2 stops26h 23m

£360

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 23/1

13:30-22:53

2 stops17h 23m

Ontario

Fri 30/1

13:24-09:40

1 stop12h 16m

£364

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 11/3

06:30-22:57

2 stops23h 27m

Ontario

Thu 26/3

13:50-09:40

1 stop12h 50m

£364

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Wed 4/3

11:40-22:00

2 stops42h 20m

Burbank Bob Hope

Sat 7/3

13:40-06:25

1 stop32h 45m

£379

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Tue 10/3

14:30-22:34

1 stop15h 04m

Santa Ana J. Wayne/Orange Cnty

Tue 24/3

11:07-11:55

1 stop17h 48m

£381

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Mon 9/3

14:30-22:34

1 stop15h 04m

Santa Ana J. Wayne/Orange Cnty

Tue 24/3

11:07-10:30

1 stop16h 23m

£381

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Tue 31/3

11:40-22:35

1 stop18h 55m

Santa Ana J. Wayne/Orange Cnty

Tue 14/4

10:58-14:15

1 stop19h 17m

£381

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Mon 9/3

15:50-13:04

1 stop28h 14m

Burbank Bob Hope

Tue 24/3

13:59-11:40

1 stop14h 41m

£381

Flights are sorted by cheapest return flights first.

Deals found on 26/12

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 £336). Flying from London Heathrow Airport to California in July is currently the most expensive (average of £400). 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 Monday (50 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (45 on average).

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

1,435 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

1,435 reviews

KLM

7.7

Good

1,435 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

1,435 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

9,113 reviews

KLM

7.7

Good

1,435 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

7,658 reviews

KLM

7.7

Good

1,435 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

7,616 reviews

KLM

7.7

Good

1,435 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 £404, United Airlines can have you in California from London Heathrow Airport in 19h 40m. London Heathrow Airport and California are separated by a distance of 5352 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 £163 on Norse Atlantic UK. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £245 and Scandinavian Airlines from £248 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 (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 £2,682, our data indicates the cheapest price to be £350. The most popular route (London Heathrow - Los Angeles), is priced around £295.
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 £336). Flying from London Heathrow Airport to California in July is currently the most expensive (average of £400). 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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Top 10 airlines flying from Heathrow to California

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£236	Average£543	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Finnair	Cheapest£278	Average£526	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£290	Average£396	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£308	Average£568	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Aer Lingus	Cheapest£332	Average£899	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Air Canada	Cheapest£333	Average£501	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Scandinavian Airlines	Cheapest£335	Average£493	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
United Airlines	Cheapest£336	Average£537	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Virgin Atlantic	Cheapest£337	Average£516	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Brussels Airlines	Cheapest£355	Average£479	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 3/3. 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 28 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 28 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 28 December 2025.

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Average price

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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 28 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

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

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 28 December 2025.