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

Airlines like Virgin Atlantic, Delta, and Scandinavian Airlines fly from London Heathrow Airport to California in about 24h 08m. The time it takes to get you to your destination can typically vary by up to 33h 41m. There are 5407 mi between London Heathrow Airport and California. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines to fly from London Heathrow Airport to California one-way?

The cheapest airlines for a one-way flight from London Heathrow Airport to California are British Airways ($415), SWISS ($418), and Virgin Atlantic ($420).

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

What are the most popular routes from London Heathrow Airport to California?

While some choose either London Heathrow - San Francisco or London Heathrow - Las Vegas Harry Reid Intl, London Heathrow - Los Angeles is the most popular route from London Heathrow Airport to California.

What are the cheapest flights from London Heathrow Airport to California?

The cheapest flight price from London Heathrow Airport to California is $510. On average you can expect to pay $4,984. The most popular route, (London Heathrow - Los Angeles), can usually be booked for $461.

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: KLM (84%), Air France (84%), Delta( 84%).

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

Before booking your flight from London Heathrow Airport to California check out the most popular airlines for this route: British Airways, United Airlines or American Airlines.

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 vacation 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.

$400+ Flights from London Heathrow Airport to California

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Cheap flight deals from Heathrow to California

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$485 (Mytrip)
One-way from	$400 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$650
Good round-trip deal	$621 or less
Good one-way deal	$582 or less

Provider with most accurate pricing for London (LON)-Los Angeles flight deals.

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Provider most trusted by Cheapflights users for London (LON)-Los Angeles flights.

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From London Heathrow to California

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One-way flight from London Heathrow to California

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($30 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Price to beat on a round-trip flight from London Heathrow to California.

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Price to beat on a one-way flight from London Heathrow to California.

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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 October 28, 2025.

Wed 11/56:30 pmLHR - LAX

1 stop28h 10mTAP AIR PORTUGAL

Sat 11/154:45 pmLAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 10/27

$484

Mon 11/171:40 pmLHR - LAX

1 stop33h 20mTAP AIR PORTUGAL

Tue 12/24:45 pmLAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 10/27

$485

Thu 11/66:00 amLHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 11/134:45 pmLAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 10/26

$500

Fri 11/76:30 pmLHR - SFO

1 stop28h 15mTAP AIR PORTUGAL

Mon 11/174:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/26

$510

Tue 12/96:00 amLHR - LAX

1 stop17h 00mTAP AIR PORTUGAL

Tue 1/134:45 pmLAX - LHR

1 stop16h 45mTAP AIR PORTUGAL

Deal found 10/27

$514

Wed 12/106:30 pmLHR - LAX

1 stop28h 10mTAP AIR PORTUGAL

Tue 1/204:45 pmLAX - LHR

1 stop16h 45mTAP AIR PORTUGAL

Deal found 10/26

$515

Tue 12/96:00 amLHR - LAX

1 stop17h 00mTAP AIR PORTUGAL

Sat 1/174:45 pmLAX - LHR

1 stop18h 10mTAP AIR PORTUGAL

Deal found 10/26

$516

Thu 12/116:00 amLHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 1/224:45 pmLAX - LHR

1 stop16h 45mTAP AIR PORTUGAL

Deal found 10/26

$519

Wed 12/106:00 amLHR - SFO

1 stop16h 30mTAP AIR PORTUGAL

Mon 1/124:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/26

$520

Sat 11/86:00 amLHR - SFO

1 stop16h 45mTAP AIR PORTUGAL

Wed 12/104:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/26

$524

Thu 11/206:30 pmLHR - SFO

1 stop29h 35mTAP AIR PORTUGAL

Wed 12/34:35 pmSFO - LHR

1 stop18h 20mTAP AIR PORTUGAL

Deal found 10/26

$527

Wed 11/196:00 amLHR - SFO

1 stop16h 30mTAP AIR PORTUGAL

Mon 12/14:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/26

$529

Best flights from Heathrow to California
Discover carefully curated flight deals from Heathrow to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

Sun 2/18:00 pmLHR - LGB

2 stops57h 49mVirgin Atlantic

Wed 2/117:00 amLGB - LHR

2 stops25h 50mVirgin Atlantic

Deal found 10/27

$550

Thu 2/266:30 amLHR - ONT

2 stops24h 08mDelta

Mon 3/210:30 pmONT - LHR

1 stop26h 30mDelta

Deal found 10/26

$571

Sat 3/141:55 pmLHR - SFO

2 stops32h 40mScandinavian Airlines

Mon 3/235:40 pmSFO - LHR

2 stops18h 10mScandinavian Airlines

Deal found 10/26

$585

Tue 12/99:00 amLHR - LAX

1 stop15h 35mUnited Airlines

Wed 1/217:00 pmLAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 10/27

$618

Wed 12/108:25 pmLHR - BUR

2 stops27h 41mKLM

Wed 12/179:49 amBUR - LHR

1 stop16h 11mKLM

Deal found 10/26

$635

Mon 11/2411:55 amLHR - SJC

1 stop16h 54mFinnair

Mon 12/86:00 amSJC - LHR

1 stop16h 50mFinnair

Deal found 10/27

$659

Wed 12/103:00 pmLHR - SAN

1 stop15h 21mBritish Airways

Thu 12/189:40 amSAN - LHR

1 stop13h 10mBritish Airways

Deal found 10/27

$756

Fri 1/165:50 pmLHR - BUR

2 stops36h 08mVirgin Atlantic

Wed 1/217:05 amBUR - LHR

1 stop18h 55mVirgin Atlantic

Deal found 10/26

$575

Fri 3/2712:20 pmLHR - SNA

1 stop17h 04mDelta

Tue 3/316:45 amSNA - LHR

2 stops16h 30mDelta

Deal found 10/27

$588

Fri 11/216:40 amLHR - SFO

1 stop15h 55mScandinavian Airlines

Sat 11/294:40 pmSFO - LHR

1 stop17h 50mScandinavian Airlines

Deal found 10/27

$589

Wed 12/109:00 amLHR - LAX

1 stop15h 35mUnited Airlines

Wed 1/2810:26 amLAX - LHR

1 stop12h 59mUnited Airlines

Deal found 10/27

$618

Sat 3/2812:20 pmLHR - LGB

2 stops35h 03mVirgin Atlantic

Mon 4/67:10 amLGB - LHR

2 stops23h 05mVirgin Atlantic

Deal found 10/26

$576

Wed 11/128:25 pmLHR - BUR

2 stops27h 41mKLM

Thu 11/207:00 amBUR - LHR

2 stops16h 05mKLM

Deal found 10/27

$636

Fri 3/68:00 pmLHR - BUR

2 stops24h 31mDelta

Tue 3/109:50 amBUR - LHR

2 stops15h 55mDelta

Deal found 10/27

$588

Sat 12/66:40 amLHR - LAX

2 stops18h 20mScandinavian Airlines

Sun 1/187:30 pmLAX - LHR

1 stop14h 10mScandinavian Airlines

Deal found 10/27

$598

Mon 12/87:40 amLHR - LAX

1 stop15h 35mUnited Airlines

Tue 1/201:04 pmLAX - LHR

1 stop12h 36mUnited Airlines

Deal found 10/26

$620

Fri 3/278:55 amLHR - SNA

1 stop16h 55mVirgin Atlantic

Tue 3/3110:15 amSNA - LHR

1 stop15h 35mVirgin Atlantic

Deal found 10/27

$588

Thu 1/812:30 pmLHR - SNA

1 stop17h 44mDelta

Sat 1/171:35 pmSNA - LHR

1 stop12h 25mDelta

Deal found 10/27

$589

Tue 3/36:40 amLHR - LAX

1 stop18h 20mScandinavian Airlines

Thu 3/128:30 pmLAX - LHR

1 stop15h 00mScandinavian Airlines

Deal found 10/27

$607

Wed 2/49:00 amLHR - SFO

1 stop15h 30mUnited Airlines

Wed 2/185:25 pmSFO - LHR

Nonstop10h 35mUnited Airlines

Deal found 10/27

$621

Fri 2/273:50 pmLHR - LGB

2 stops37h 59mVirgin Atlantic

Tue 3/312:59 pmLGB - LHR

2 stops15h 51mVirgin Atlantic

Deal found 10/27

$588

Fri 1/98:55 amLHR - SNA

1 stop19h 08mDelta

Sun 1/189:00 amSNA - LHR

1 stop14h 05mDelta

Deal found 10/27

$589

Thu 12/116:40 amLHR - LAX

1 stop18h 20mScandinavian Airlines

Sun 1/257:30 pmLAX - LHR

1 stop14h 10mScandinavian Airlines

Deal found 10/27

$609

Tue 2/249:00 amLHR - LAX

1 stop15h 35mUnited Airlines

Thu 3/57:00 pmLAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 10/27

$622

Thu 1/810:45 amLHR - BUR

1 stop19h 13mDelta

Sat 1/171:30 pmBUR - LHR

1 stop14h 10mDelta

Deal found 10/27

$589

Thu 2/2610:45 amLHR - ONT

1 stop21h 07mVirgin Atlantic

Mon 3/21:00 pmONT - LHR

1 stop13h 00mVirgin Atlantic

Deal found 10/25

$592

Thu 11/1310:35 amLHR - SFO

2 stops36h 00mScandinavian Airlines

Mon 11/244:40 pmSFO - LHR

1 stop15h 20mScandinavian Airlines

Deal found 10/27

$611

Mon 12/87:40 amLHR - SJC

2 stops42h 11mUnited Airlines

Mon 12/158:45 amSJC - LHR

1 stop16h 55mUnited Airlines

Deal found 10/27

$625

Sat 3/2810:45 amLHR - SNA

1 stop18h 14mVirgin Atlantic

Sat 4/118:00 amSNA - LHR

2 stops16h 55mVirgin Atlantic

Deal found 10/26

$592

Thu 12/256:30 amLHR - ONT

2 stops21h 20mDelta

Wed 12/311:15 pmONT - LHR

1 stop12h 45mDelta

Deal found 10/26

$602

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

Wed 11/56:30 pmLHR - LAX

1 stop28h 10mTAP AIR PORTUGAL

Sat 11/154:45 pmLAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 10/27

$484

Thu 11/66:00 amLHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Sat 11/154:45 pmLAX - LHR

1 stop18h 10mTAP AIR PORTUGAL

Deal found 10/28

$488

Thu 11/66:00 amLHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 11/134:45 pmLAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 10/26

$500

Thu 11/66:00 amLHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Tue 11/114:45 pmLAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 10/26

$519

Fri 11/76:30 pmLHR - SFO

1 stop28h 15mTAP AIR PORTUGAL

Mon 11/174:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/26

$510

Sat 11/86:00 amLHR - SFO

1 stop16h 45mTAP AIR PORTUGAL

Wed 12/104:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/26

$524

Mon 11/171:40 pmLHR - LAX

1 stop33h 20mTAP AIR PORTUGAL

Tue 12/24:45 pmLAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 10/27

$485

Mon 11/176:30 pmLHR - LAX

1 stop28h 30mTAP AIR PORTUGAL

Thu 11/274:45 pmLAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 10/28

$518

Wed 11/191:40 pmLHR - LAX

1 stop33h 00mTAP AIR PORTUGAL

Sat 11/294:45 pmLAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 10/28

$516

Wed 11/196:00 amLHR - SFO

1 stop16h 30mTAP AIR PORTUGAL

Mon 12/14:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/26

$529

Thu 11/206:00 amLHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Tue 12/24:45 pmLAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 10/28

$520

Thu 11/206:30 pmLHR - SFO

1 stop29h 35mTAP AIR PORTUGAL

Wed 12/34:35 pmSFO - LHR

1 stop18h 20mTAP AIR PORTUGAL

Deal found 10/26

$527

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 October 28, 2025.

Sat 12/138:50 pmLHR - LAX

1 stop29h 20mMultiple Airlines

Deal found 10/26

$400

Wed 12/108:45 pmLHR - LAX

2 stops30h 25mMultiple Airlines

Deal found 10/26

$405

Tue 12/96:20 pmLHR - LAX

2 stops56h 50mMultiple Airlines

Deal found 10/26

$408

Sun 1/187:25 pmLHR - LAX

2 stops25h 40mAustrian Airlines

Deal found 10/27

$412

Tue 11/186:50 pmLHR - LAX

3 stops37h 09mMultiple Airlines

Deal found 10/27

$413

Mon 12/83:15 pmLHR - LAX

2 stops34h 50mMultiple Airlines

Deal found 10/27

$414

Sun 1/257:40 pmLHR - LAX

2 stops31h 13mBritish Airways

Deal found 10/26

$415

Sun 1/258:05 pmLHR - LAX

1 stop28h 30mSWISS

Deal found 10/27

$418

Wed 2/256:20 amLHR - ONT

2 stops17h 59mVirgin Atlantic

Deal found 10/26

$419

Mon 12/13:15 pmLHR - LAX

2 stops38h 48mMultiple Airlines

Deal found 10/26

$419

Wed 2/256:20 amLHR - BUR

2 stops23h 32mVirgin Atlantic

Deal found 10/26

$419

Wed 2/116:20 amLHR - ONT

2 stops25h 38mVirgin Atlantic

Deal found 10/27

$420

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

Sun 2/1

8:00 pm-9:49 pm

2 stops57h 49m

Long Beach Municipal

Wed 2/11

7:00 am-4:50 pm

2 stops25h 50m

$550

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 2/26

6:30 am-10:38 pm

2 stops24h 08m

Ontario

Mon 3/2

10:30 pm-9:00 am

1 stop26h 30m

$571

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Fri 1/16

5:50 pm-9:58 pm

2 stops36h 08m

Burbank Bob Hope

Wed 1/21

7:05 am-10:00 am

1 stop18h 55m

$575

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

Sat 3/28

12:20 pm-4:23 pm

2 stops35h 03m

Long Beach Municipal

Mon 4/6

7:10 am-2:15 pm

2 stops23h 05m

$576

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 3/14

1:55 pm-3:35 pm

2 stops32h 40m

San Francisco

Mon 3/23

5:40 pm-6:50 pm

2 stops18h 10m

$585

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Fri 3/27

12:20 pm-10:24 pm

1 stop17h 04m

Santa Ana J. Wayne/Orange Cnty

Tue 3/31

6:45 am-7:15 am

2 stops16h 30m

$588

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Fri 3/6

8:00 pm-12:31 pm

2 stops24h 31m

Burbank Bob Hope

Tue 3/10

9:50 am-8:45 am

2 stops15h 55m

$588

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Fri 3/27

8:55 am-6:50 pm

1 stop16h 55m

Santa Ana J. Wayne/Orange Cnty

Tue 3/31

10:15 am-9:50 am

1 stop15h 35m

$588

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

Fri 2/27

3:50 pm-9:49 pm

2 stops37h 59m

Long Beach Municipal

Tue 3/3

12:59 pm-12:50 pm

2 stops15h 51m

$588

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 11/21

6:40 am-2:35 pm

1 stop15h 55m

San Francisco

Sat 11/29

4:40 pm-6:30 pm

1 stop17h 50m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 round-trip 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 $453). Flying from London Heathrow Airport to California in July is currently the most expensive (average of $556). 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?

One of the essential ways to save on airfare from London Heathrow Airport to California is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.

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 Friday, which is when the least amount of flights are scheduled (44 on average).

Reviews of airlines servicing California

Peruse reviews from past customers who have flown with Delta, Virgin Atlantic, and United Airlines from London Heathrow Airport to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

7,995 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

7.9

Good

7,995 reviews

Delta

7.9

Good

7,995 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic

7.5

Good

670 reviews

Delta

7.9

Good

7,995 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,996 reviews

Delta

7.9

Good

7,995 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

11,033 reviews

Delta

7.9

Good

7,995 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

British Airways

6.7

Okay

7,481 reviews

Delta

7.9

Good

7,995 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

How long is the flight from London Heathrow Airport to California?
Airlines like Virgin Atlantic, Delta, and Scandinavian Airlines fly from London Heathrow Airport to California in about 24h 08m. The time it takes to get you to your destination can typically vary by up to 33h 41m. There are 5407 mi between London Heathrow Airport and California. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from London Heathrow Airport to California one-way?
The cheapest airlines for a one-way flight from London Heathrow Airport to California are British Airways ($415), SWISS ($418), and Virgin Atlantic ($420).
What are the most popular routes from London Heathrow Airport to California?
While some choose either London Heathrow - San Francisco or London Heathrow - Las Vegas Harry Reid Intl, London Heathrow - Los Angeles is the most popular route from London Heathrow Airport to California.
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: KLM (84%), Air France (84%), Delta( 84%).
What are the cheapest flights from London Heathrow Airport to California?
The cheapest flight price from London Heathrow Airport to California is $510. On average you can expect to pay $4,984. The most popular route, (London Heathrow - Los Angeles), can usually be booked for $461.
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 vacation 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 $453). Flying from London Heathrow Airport to California in July is currently the most expensive (average of $556). 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

Top 10 airlines flying from Heathrow to California

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest$382	Average$707	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$416	Average$807	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$498	Average$788	FlexibilityNo cancel fee	On-time69%
Austrian Airlines	Cheapest$509	Average$750	FlexibilityNo cancel fee	On-time78%
Brussels Airlines	Cheapest$512	Average$636	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$513	Average$721	FlexibilityNo cancel fee	On-time70%
Virgin Atlantic	Cheapest$516	Average$734	FlexibilityNo cancel fee	On-time72%
Lufthansa	Cheapest$519	Average$683	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$520	Average$759	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$535	Average$748	FlexibilityNo cancel fee	On-timeN/A

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$400+ Cheap flights from Heathrow (LHR) to California

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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Heathrow to California with Cheapflights

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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 October 28, 2025.

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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 October 28, 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 October 28, 2025.

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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.

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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 October 28, 2025.

Weekly flight availability from London Heathrow Airport to California

Reviews of airlines servicing California

Peruse reviews from past customers who have flown with Delta, Virgin Atlantic, and United Airlines from London Heathrow Airport to California to help guide your decision. Users have also rated airlines 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?

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Alternative routes for Heathrow to California

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Top 10 airlines flying from Heathrow to California

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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 October 28, 2025.