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Cheap flights from Los Angeles to London Heathrow Airport from C$ 343

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Los Angeles to London Heathrow are usually found in September or October, booked 87 days in advance, depart on a Monday or Saturday and return on a Tuesday

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Cheapest flights from Los Angeles to Heathrow
Explore the most affordable flight options available from Los Angeles to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 October 2025.

Sat 15/111:10 p.m.LAX - LHR
2 stops21h 20mScandinavian Airlines
Wed 14/17:50 p.m.LHR - LAX
2 stops29h 10mScandinavian Airlines
Deal found 27/10C$ 786
Thu 4/121:10 p.m.LAX - LHR
2 stops20h 30mScandinavian Airlines
Thu 11/129:05 p.m.LHR - LAX
2 stops27h 55mScandinavian Airlines
Deal found 28/10C$ 804
Tue 4/117:30 p.m.LAX - LHR
Nonstop10h 30mFinnair
Tue 25/117:30 a.m.LHR - LAX
1 stop17h 35mFinnair
Deal found 28/10C$ 815
Sun 9/115:45 p.m.LAX - LHR
Nonstop10h 35mFinnair
Tue 25/1110:20 a.m.LHR - LAX
1 stop14h 45mFinnair
Deal found 28/10C$ 817
Tue 18/1110:25 a.m.LAX - LHR
1 stop14h 10mFinnair
Tue 25/1110:20 a.m.LHR - LAX
1 stop14h 45mFinnair
Deal found 28/10C$ 822
Sun 30/116:50 p.m.LAX - LHR
1 stop17h 50mFinnair
Tue 9/1210:20 a.m.LHR - LAX
1 stop14h 45mFinnair
Deal found 26/10C$ 827
Fri 5/1210:00 a.m.LAX - LHR
2 stops22h 00mScandinavian Airlines
Tue 13/17:50 p.m.LHR - LAX
2 stops29h 10mScandinavian Airlines
Deal found 27/10C$ 828
Fri 5/1210:00 a.m.LAX - LHR
2 stops22h 00mScandinavian Airlines
Sun 7/126:40 a.m.LHR - LAX
2 stops18h 20mScandinavian Airlines
Deal found 27/10C$ 834
Fri 5/1210:00 a.m.LAX - LHR
2 stops22h 00mScandinavian Airlines
Sat 13/126:40 a.m.LHR - LAX
1 stop18h 20mScandinavian Airlines
Deal found 28/10C$ 836
Fri 5/121:10 p.m.LAX - LHR
2 stops18h 50mScandinavian Airlines
Fri 12/129:05 p.m.LHR - LAX
2 stops27h 55mScandinavian Airlines
Deal found 27/10C$ 846

Cheap flight deals from Los Angeles to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 October 2025.

Round-trip from

C$ 785

One-way from

C$ 343

Popular in

December

Cheapest in

September

Average price

C$ 934

Good round-trip deal

C$ 886 or less

Good one-way deal

C$ 746 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 4/2-8/2
  • 4 total stops
  • 45h 30m total
  • Los Angeles to London
Search Deals
WestJet
  • WestJet
  • 11/1
  • 1 total stop
  • 35h 05m total
  • Los Angeles to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Los Angeles to London Heathrow.
Search Deals
Price to beat on a one-way flight from Los Angeles to London Heathrow.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Los Angeles to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 October 2025.
Use the filters below to find and compare flights from Los Angeles to London Heathrow Airport that are best for you.

Fly from

Los Angeles

Fly to

Heathrow

Route

Depart

Return

Price

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 10/2

7:45 a.m.-9:20 a.m.

2 stops17h 35m

London Heathrow

Thu 21/5

7:05 a.m.-4:50 p.m.

2 stops17h 45m

C$ 863

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 16/2

7:30 p.m.-5:40 p.m.

1 stop14h 10m

London Heathrow

Fri 20/2

6:40 a.m.-5:00 p.m.

1 stop18h 20m

C$ 867

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 9/12

8:25 a.m.-6:25 a.m.

1 stop14h 00m

London Heathrow

Tue 23/12

12:20 p.m.-8:43 p.m.

1 stop16h 23m

C$ 878

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 24/4

7:10 p.m.-9:35 a.m.

2 stops30h 25m

London Heathrow

Tue 12/5

6:40 a.m.-4:50 p.m.

1 stop18h 10m

C$ 880

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 9/2

4:35 p.m.-10:55 a.m.

Nonstop10h 20m

London Heathrow

Wed 1/4

8:40 a.m.-2:50 p.m.

1 stop14h 10m

C$ 887

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 16/2

7:00 p.m.-1:30 p.m.

Nonstop10h 30m

London Heathrow

Mon 23/2

1:50 p.m.-3:15 p.m.

1 stop33h 25m

C$ 898

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 12/3

1:45 p.m.-5:40 p.m.

2 stops20h 55m

London Heathrow

Thu 26/3

7:05 a.m.-6:00 p.m.

2 stops17h 55m

C$ 898

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 9/12

6:05 a.m.-6:55 a.m.

1 stop16h 50m

London Heathrow

Fri 9/1

9:20 a.m.-11:56 p.m.

1 stop22h 36m

C$ 912

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sat 29/11

4:45 p.m.-5:30 p.m.

1 stop16h 45m

London Heathrow

Sat 6/12

6:00 a.m.-3:00 p.m.

1 stop17h 00m

C$ 926

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 4/2

4:35 p.m.-10:55 a.m.

Nonstop10h 20m

London Heathrow

Sun 15/2

5:20 p.m.-8:40 p.m.

Nonstop11h 20m

C$ 940

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 22 results
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Best time to book a flight from Los Angeles to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Los Angeles 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 Los Angeles to London Heathrow Airport

How far ahead should I book a flight from Los Angeles to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Los Angeles to Heathrow. Price data was last updated on 24 October 2025.

The best time to book flights from Los Angeles to London Heathrow Airport is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Los Angeles to London Heathrow Airport (average of C$ 610). Flying from Los Angeles to London Heathrow Airport in June is currently the most expensive (average of C$ 978). 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 LAX to LHR?

Find hourly flight availability from Los Angeles to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 October 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Los Angeles to London Heathrow Airport as you normally would.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 28 October 2025.
Read reviews from past customers who have flown British Airways from Los Angeles to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,483 reviews
Check prices

Boarding

6.9

Comfort

6.7

Crew

7.6

Entertainment

6.4

Overall

6.7

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,483 reviews
British Airways
6.7
Okay
7,483 reviews
Check prices

Boarding

6.9

Comfort

6.7

Crew

7.6

Entertainment

6.4

Overall

6.7

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

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

  • What airport do you fly from for flights from Los Angeles to London Heathrow?

    Most people fly from Los Angeles (LAX) if they book a flight from Los Angeles to London Heathrow. On average, Los Angeles has 44 outbound flights to London Heathrow per day from 1 airline. Los Angeles is conveniently located just 15.1 km from Los Angeles’s city centre.

  • How long is the flight from Los Angeles to London Heathrow Airport?

    Departing from Los Angeles to London Heathrow Airport will take you 10h 20m. The distance from Los Angeles to London Heathrow Airport is about 8753 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Los Angeles to London Heathrow Airport round-trip?

    Our cheapest airline available from Los Angeles to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as C$ 839 on this airline. You may be able to fly from Los Angeles to London Heathrow Airport for 23% less than the average price by searching for this airline.

  • What are the cheapest airlines to fly from Los Angeles to London Heathrow Airport one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 378. However, be on the lookout for offers from TAP AIR PORTUGAL and JetBlue, as they are both options that can get you from Los Angeles to London Heathrow Airport for a low price.

  • What are the most reliable airlines from Los Angeles to London Heathrow Airport?

    Before booking your flight to London Heathrow Airport from Los Angeles, check out the most reliable airlines to get you to your destination on time: KLM (95%), Air France (95%), Delta( 95%).

  • What are the cheapest flights from Los Angeles to London Heathrow Airport?

    Looking for the cheapest flight from Los Angeles to London Heathrow Airport? While on average our users pay C$ 855, our data indicates the cheapest price to be C$ 495. The most popular route (Los Angeles - London Heathrow), is priced around C$ 825.

  • Can I find deals for flights from Los Angeles to Heathrow that include hotel bookings?

    Yes. In addition to deals on Los Angeles to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Los Angeles to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to Heathrow.

  • Can I find deals for business class flights from Los Angeles to Heathrow?

    Yes. Cheapflights offers flight deals from Los Angeles to Heathrow 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 Los Angeles to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Los Angeles to London Heathrow Airport (average of C$ 610). Flying from Los Angeles to London Heathrow Airport in June is currently the most expensive (average of C$ 978). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Sutton
Hounslow
Slough
Marlow
Leamington Spa
Milton Keynes
Romford
Watford
Bedford
Luton
Stratford-upon-Avon
Southall
Gatwick

Browse thousands of different options on Cheapflights for your next trip

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

Top airline flying from Los Angeles to Heathrow

Discover the top airline that operate flights from Los Angeles to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 839AverageC$ 1,055FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Los Angeles to Heathrow?

When you search for this flight from Los Angeles to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Los Angeles to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Los Angeles.

Can Cheapflights find flights from Los Angeles to Heathrow with no change fees?

Yes, we can. To see specific flights from Los Angeles to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Los Angeles to Heathrow become cheaper?

Yes! Start tracking prices for Los Angeles to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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