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

For as low as £461, Scandinavian 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 £280 on LEVEL. Other airlines that offer cheap prices include British Airways from £291 and Virgin Atlantic from £316 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 £2,591, our data indicates the cheapest price to be £358. The most popular route (London Heathrow - Los Angeles), is priced around £330.

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: Aeromexico (100%), KLM (85%), Air France( 85%).

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.

£269+ 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 £422 and £601 in November. The cheapest return flight price found within the last 3 days was £358 on TAP AIR PORTUGAL (6 Nov-13 Nov).

Cheap flight deals from Heathrow to California

Round-trip from	£358
One-way from	£269
Popular in	December
Cheapest in	September
Average price	£477
Good round-trip deal	£388 or less
Good one-way deal	£437 or less

TAP AIR PORTUGAL
6/11-13/11
2 total stops
34h 50m total
London to California

Search Deals

15/1
2 total stops
18h 25m total
London to California

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£15 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

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

Search Deals

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

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Find flight deals from Heathrow to California

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to California
Explore the most affordable flight options available from Heathrow to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2025.

Thu 6/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 13/1116:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 7/10£358

Thu 20/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Tue 2/1216:45LAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 8/10£360

Thu 20/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Tue 25/1116:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 7/10£361

Thu 20/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Sat 6/1216:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 8/10£363

Thu 20/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 27/1116:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 6/10£364

Thu 20/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 22/116:45LAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 8/10£369

Tue 18/1118:30LHR - SFO

1 stop28h 00mTAP AIR PORTUGAL

Sat 29/1116:35SFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 7/10£379

Sat 8/1106:00LHR - SFO

1 stop16h 45mTAP AIR PORTUGAL

Fri 14/1119:10SFO - LHR

1 stop18h 25mTAP AIR PORTUGAL

Deal found 8/10£382

Tue 11/1118:30LHR - SFO

1 stop28h 00mTAP AIR PORTUGAL

Sat 6/1216:35SFO - LHR

1 stop21h 00mTAP AIR PORTUGAL

Deal found 7/10£383

Fri 5/1206:30LHR - SFO

1 stop13h 20mVirgin Atlantic

Tue 9/1216:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Deal found 8/10£395

Sat 8/1106:00LHR - SFO

1 stop16h 45mTAP AIR PORTUGAL

Wed 12/1116:35SFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 8/10£396

Sat 8/1106:00LHR - SFO

1 stop16h 45mTAP AIR PORTUGAL

Mon 17/1116:35SFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 8/10£397

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 9 October 2025.

Fri 14/1106:40LHR - SFO

1 stop15h 55mScandinavian Airlines

Sun 16/1116:40SFO - LHR

1 stop17h 00mScandinavian Airlines

Deal found 8/10£420

Mon 17/1113:45LHR - SFO

1 stop34h 45mMultiple Airlines

Mon 1/1212:50SFO - LHR

Nonstop10h 35mMultiple Airlines

Deal found 8/10£448

Sat 13/1220:50LHR - LAX

1 stop29h 20mLEVEL

Sun 15/219:55LAX - LHR

1 stop29h 15mLEVEL

Deal found 7/10£457

Mon 10/1109:00LHR - LAX

1 stop15h 35mUnited Airlines

Mon 24/1108:30LAX - LHR

1 stop14h 40mUnited Airlines

Deal found 8/10£461

Tue 6/116:10LHR - LGB

2 stops32h 13mVirgin Atlantic

Fri 23/112:59LGB - LHR

2 stops34h 06mVirgin Atlantic

Deal found 8/10£475

Sun 23/1106:30LHR - ONT

2 stops24h 34mDelta

Sun 30/1107:05ONT - LHR

1 stop16h 45mDelta

Deal found 8/10£478

Wed 19/1107:40LHR - SNA

2 stops18h 38mLufthansa

Wed 28/110:00SNA - LHR

1 stop13h 25mLufthansa

Deal found 7/10£485

Thu 20/1120:25LHR - BUR

2 stops27h 41mKLM

Thu 27/1107:00BUR - LHR

2 stops17h 45mKLM

Deal found 6/10£493

Sat 1/1109:00LHR - LAX

1 stop15h 35mSWISS

Thu 11/1219:10LAX - LHR

1 stop16h 05mSWISS

Deal found 8/10£494

Mon 10/1112:50LHR - SAN

Nonstop11h 20mBritish Airways

Mon 24/1108:25SAN - LHR

1 stop14h 25mBritish Airways

Deal found 9/10£515

Mon 17/1109:00LHR - LAS

2 stops19h 49mAir Canada

Mon 24/1109:10LAS - LHR

1 stop14h 00mAir Canada

Deal found 8/10£584

Thu 18/1209:50LHR - LAS

1 stop16h 00mAer Lingus

Tue 10/320:35LAS - LHR

1 stop13h 15mAer Lingus

Deal found 8/10£616

Sat 10/109:20LHR - LAS

1 stop22h 38mJetBlue

Sun 18/123:59LAS - LHR

1 stop12h 46mJetBlue

Deal found 7/10£633

Sat 21/206:40LHR - SFO

1 stop15h 55mScandinavian Airlines

Sun 1/316:40SFO - LHR

2 stops18h 10mScandinavian Airlines

Deal found 8/10£422

Mon 17/1109:00LHR - SFO

1 stop15h 30mUnited Airlines

Mon 1/1216:15SFO - LHR

1 stop13h 15mUnited Airlines

Deal found 7/10£463

Tue 10/306:40LHR - SFO

1 stop15h 55mScandinavian Airlines

Tue 17/317:40SFO - LHR

2 stops18h 10mScandinavian Airlines

Deal found 8/10£423

Tue 6/116:10LHR - LGB

2 stops32h 13mVirgin Atlantic

Tue 27/112:59LGB - LHR

1 stop13h 01mVirgin Atlantic

Deal found 8/10£480

Thu 26/211:45LHR - ONT

2 stops31h 53mDelta

Mon 2/322:30ONT - LHR

2 stops24h 25mDelta

Deal found 8/10£483

Fri 5/1207:40LHR - SJC

2 stops18h 11mLufthansa

Tue 9/1212:40SJC - LHR

1 stop13h 00mLufthansa

Deal found 8/10£492

Mon 10/1111:55LHR - BUR

1 stop16h 31mMultiple Airlines

Mon 24/1113:11BUR - LHR

1 stop16h 04mMultiple Airlines

Deal found 7/10£495

Wed 4/209:00LHR - SFO

1 stop15h 30mUnited Airlines

Wed 18/213:20SFO - LHR

1 stop14h 30mUnited Airlines

Deal found 9/10£464

Mon 9/319:30LHR - SFO

1 stop27h 05mScandinavian Airlines

Mon 16/317:40SFO - LHR

2 stops18h 10mScandinavian Airlines

Deal found 7/10£423

Wed 12/1112:50LHR - SAN

Nonstop11h 20mBritish Airways

Wed 3/1211:38SAN - LHR

1 stop12h 37mBritish Airways

Deal found 9/10£515

Mon 10/1106:00LHR - SAN

2 stops24h 20mSWISS

Mon 24/1116:01SAN - LHR

2 stops17h 49mSWISS

Deal found 8/10£524

Sat 22/1110:45LHR - BUR

1 stop19h 04mVirgin Atlantic

Sat 29/1113:37BUR - LHR

1 stop12h 23mVirgin Atlantic

Deal found 8/10£481

Sun 14/1206:30LHR - SNA

2 stops23h 50mDelta

Fri 2/107:15SNA - LHR

1 stop19h 15mDelta

Deal found 8/10£486

Wed 12/1108:45LHR - SAN

1 stop15h 00mMultiple Airlines

Wed 3/1216:08SAN - LHR

2 stops17h 42mMultiple Airlines

Deal found 9/10£502

Wed 5/1112:05LHR - SFO

1 stop36h 25mUnited Airlines

Wed 12/1113:20SFO - LHR

1 stop14h 30mUnited Airlines

Deal found 7/10£464

Sat 7/315:35LHR - SFO

2 stops31h 00mScandinavian Airlines

Sat 14/317:40SFO - LHR

2 stops18h 10mScandinavian Airlines

Deal found 8/10£425

Mon 17/1112:50LHR - SAN

Nonstop11h 20mBritish Airways

Mon 1/1214:39SAN - LHR

1 stop13h 01mBritish Airways

Deal found 8/10£516

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 9 October 2025.

Tue 18/1117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Tue 25/1116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 8/10£410

Fri 5/1211:40LHR - SFO

Nonstop11h 00mVirgin Atlantic

Tue 9/1216:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Deal found 8/10£410

Sat 22/1111:40LHR - SFO

Nonstop11h 00mVirgin Atlantic

Fri 28/1116:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Deal found 8/10£412

Sat 22/1111:40LHR - SFO

Nonstop11h 00mVirgin Atlantic

Sat 29/1116:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Deal found 8/10£415

Sat 22/1117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Sat 29/1122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 7/10£419

Tue 2/1211:40LHR - SFO

Nonstop11h 00mVirgin Atlantic

Wed 10/1216:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Deal found 8/10£436

Tue 4/1113:45LHR - SFO

Nonstop11h 15mLufthansa

Tue 11/1112:50SFO - LHR

Nonstop10h 35mLufthansa

Deal found 7/10£453

Mon 10/1115:20LHR - LAX

Nonstop11h 25mLufthansa

Tue 25/1119:00LAX - LHR

Nonstop10h 30mLufthansa

Deal found 7/10£459

Mon 17/1111:40LHR - SFO

Nonstop11h 00mVirgin Atlantic

Mon 1/1216:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Deal found 7/10£463

Mon 17/1111:45LHR - SFO

Nonstop11h 15mBritish Airways

Mon 1/1220:40SFO - LHR

Nonstop10h 30mBritish Airways

Deal found 8/10£463

Mon 17/1115:20LHR - LAX

Nonstop11h 25mLufthansa

Tue 2/1219:00LAX - LHR

Nonstop10h 30mLufthansa

Deal found 7/10£463

Tue 18/1113:45LHR - SFO

Nonstop11h 15mLufthansa

Mon 8/1212:50SFO - LHR

Nonstop10h 35mLufthansa

Deal found 8/10£464

Last-minute flights from Heathrow to California
Discover last-minute flight deals from Heathrow to California. Data last updated 9 October 2025 and is based on user searches.

Wed 5/1118:30LHR - LAX

1 stop28h 10mTAP AIR PORTUGAL

Sat 15/1116:45LAX - LHR

1 stop16h 45mTAP AIR PORTUGAL

Deal found 7/10£372

Thu 6/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 13/1116:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 7/10£358

Sat 8/1106:00LHR - SFO

1 stop16h 45mTAP AIR PORTUGAL

Fri 14/1119:10SFO - LHR

1 stop18h 25mTAP AIR PORTUGAL

Deal found 8/10£382

Sat 8/1106:00LHR - SFO

1 stop16h 45mTAP AIR PORTUGAL

Wed 12/1116:35SFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 8/10£396

Tue 11/1118:30LHR - SFO

1 stop28h 00mTAP AIR PORTUGAL

Sat 6/1216:35SFO - LHR

1 stop21h 00mTAP AIR PORTUGAL

Deal found 7/10£383

Thu 13/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Sat 29/1116:45LAX - LHR

1 stop16h 45mTAP AIR PORTUGAL

Deal found 8/10£360

Tue 18/1106:00LHR - LAX

1 stop17h 00mTAP AIR PORTUGAL

Thu 29/116:45LAX - LHR

1 stop18h 10mTAP AIR PORTUGAL

Deal found 7/10£376

Tue 18/1118:30LHR - SFO

1 stop28h 00mTAP AIR PORTUGAL

Sat 29/1116:35SFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 7/10£379

Thu 20/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Sat 6/1216:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 8/10£363

Thu 20/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 27/1116:45LAX - LHR

1 stop18h 10mTAP AIR PORTUGAL

Deal found 7/10£366

Thu 20/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 22/116:45LAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 8/10£369

Fri 21/1119:55LHR - LAX

1 stop27h 05mTAP AIR PORTUGAL

Thu 4/1216:45LAX - LHR

1 stop16h 45mTAP AIR PORTUGAL

Deal found 7/10£377

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 9 October 2025.

Thu 15/106:40LHR - LAX

2 stops18h 25mMultiple Airlines

Deal found 8/10£269

Mon 19/118:50LHR - LAX

1 stop31h 15mLEVEL

Deal found 8/10£269

Wed 19/1118:50LHR - LAX

1 stop32h 20mLEVEL

Deal found 5/10£270

Mon 9/218:50LHR - LAX

1 stop31h 15mLEVEL

Deal found 7/10£271

Tue 20/106:40LHR - LAX

2 stops18h 25mMultiple Airlines

Deal found 5/10£273

Wed 14/121:05LHR - LAX

2 stops28h 00mMultiple Airlines

Deal found 7/10£275

Tue 10/206:40LHR - LAX

2 stops18h 25mMultiple Airlines

Deal found 8/10£275

Wed 18/321:05LHR - LAX

2 stops28h 00mMultiple Airlines

Deal found 8/10£276

Wed 11/221:05LHR - LAX

2 stops28h 00mMultiple Airlines

Deal found 7/10£277

Mon 10/1118:30LHR - LAX

1 stop28h 30mTAP AIR PORTUGAL

Deal found 7/10£278

Wed 24/1221:05LHR - LAX

2 stops28h 00mMultiple Airlines

Deal found 7/10£278

Mon 17/1118:50LHR - LAX

1 stop31h 15mLEVEL

Deal found 8/10£280

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

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 14/11

06:40-14:35

1 stop15h 55m

San Francisco

Sun 16/11

16:40-17:40

1 stop17h 00m

£420

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 21/2

06:40-14:35

1 stop15h 55m

San Francisco

Sun 1/3

16:40-18:50

2 stops18h 10m

£422

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 10/3

06:40-15:35

1 stop15h 55m

San Francisco

Tue 17/3

17:40-18:50

2 stops18h 10m

£423

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 9/3

19:30-15:35

1 stop27h 05m

San Francisco

Mon 16/3

17:40-18:50

2 stops18h 10m

£423

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 7/3

15:35-14:35

2 stops31h 00m

San Francisco

Sat 14/3

17:40-18:50

2 stops18h 10m

£425

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 17/11

13:45-16:30

1 stop34h 45m

San Francisco

Mon 1/12

12:50-07:25

Nonstop10h 35m

£448

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 13/12

20:50-18:10

1 stop29h 20m

Los Angeles

Sun 15/2

19:55-09:10

1 stop29h 15m

£457

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 10/11

09:00-16:35

1 stop15h 35m

Los Angeles

Mon 24/11

08:30-07:10

1 stop14h 40m

£461

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 17/11

09:00-16:30

1 stop15h 30m

San Francisco

Mon 1/12

16:15-13:30

1 stop13h 15m

£463

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 4/2

09:00-16:30

1 stop15h 30m

San Francisco

Wed 18/2

13:20-11:50

1 stop14h 30m

£464

Flights are sorted by cheapest return flights first.

Deals found on 8/10

Showing 1-10 of 60 results

...

Best time to book a flight from Heathrow to California

Have a flexible travel schedule? Discover the best time to fly to California from Heathrow with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to California

What is the cheapest month to book a flight from London Heathrow Airport to California?

Currently, 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 £415). 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 (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (47 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, United Airlines, andVirgin Atlantic from London Heathrow Airport to California by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.7

Good

1,396 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

KLM

7.7

Good

1,396 reviews

KLM

7.7

Good

1,396 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

United Airlines

7.4

Good

8,966 reviews

KLM

7.7

Good

1,396 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Virgin Atlantic

7.4

Good

665 reviews

KLM

7.7

Good

1,396 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Lufthansa

6.8

Okay

7,461 reviews

KLM

7.7

Good

1,396 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

British Airways

6.7

Okay

7,443 reviews

KLM

7.7

Good

1,396 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

How long is the flight from London Heathrow Airport to California?
For as low as £461, Scandinavian 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 £280 on LEVEL. Other airlines that offer cheap prices include British Airways from £291 and Virgin Atlantic from £316 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: Aeromexico (100%), KLM (85%), Air France( 85%).
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 £2,591, our data indicates the cheapest price to be £358. The most popular route (London Heathrow - Los Angeles), is priced around £330.
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 £415). 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.

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Alternative routes for Heathrow to California

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Complete your trip

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Direct flights to United States

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Top 10 airlines flying from Heathrow to California

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£238	Average£532	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Finnair	Cheapest£280	Average£525	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£292	Average£402	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£310	Average£579	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Aer Lingus	Cheapest£334	Average£551	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Air Canada	Cheapest£336	Average£498	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest£338	Average£558	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Brussels Airlines	Cheapest£346	Average£476	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Scandinavian Airlines	Cheapest£346	Average£513	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£352	Average£503	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL 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 £269

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 15/1. 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 9 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

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 9 October 2025.

Explore the most affordable flight options available from Heathrow to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to California that are best for you.

Best time to book a flight from Heathrow to California

Have a flexible travel schedule? Discover the best time to fly to California from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to California

What is the cheapest month to book a flight from London Heathrow Airport to California?

What is the cheapest time of day to fly from LHR to CA?

Find hourly flight availability from Heathrow to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 October 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

Explore weekly flight availability from Heathrow to California. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 9 October 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Heathrow to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

What are the most reliable airlines from London Heathrow Airport to California?

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

Can I find deals for flights from Heathrow to California that include hotel bookings?

How can I find direct flights from Heathrow to California?

Can I find deals for business class flights from Heathrow to California?

What is the cheapest month to book a flight from London Heathrow Airport to California?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to California

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Heathrow to California

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 9 October 2025.