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Cheap flights from Los Angeles to London Heathrow Airport from C$ 423

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Los Angeles to London Heathrow are usually found in February or October, booked 89 days in advance, depart on a Friday or Monday and return on a Tuesday

Cheap flight deals from Los Angeles to Heathrow

Enter your travel dates to find the best prices.

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 9 June 2026.

Mon 26/1011:40 a.m.
LAX
-
LHR
1 stop12h 25m
Delta
Sun 1/116:20 a.m.
LHR
-
LAX
1 stop14h 40m
Delta
Deal found 7/6C$ 1,276
Fri 11/94:40 p.m.
LAX
-
LHR
1 stop22h 15m
TAP AIR PORTUGAL
Wed 9/126:30 p.m.
LHR
-
LAX
1 stop28h 45m
TAP AIR PORTUGAL
Deal found 6/6C$ 1,277
Tue 15/127:30 p.m.
LAX
-
LHR
2 stops18h 05m
Scandinavian Airlines
Tue 5/16:40 a.m.
LHR
-
LAX
2 stops22h 42m
Scandinavian Airlines
Deal found 8/6C$ 1,279
Wed 16/912:00 p.m.
LAX
-
LHR
2 stops22h 30m
Scandinavian Airlines
Sun 27/910:20 a.m.
LHR
-
LAX
1 stop14h 30m
Scandinavian Airlines
Deal found 4/6C$ 1,280
Wed 22/71:59 p.m.
LAX
-
LHR
1 stop17h 06m
Alaska Airlines
Wed 12/85:00 p.m.
LHR
-
LAX
1 stop14h 16m
Alaska Airlines
Deal found 4/6C$ 1,282
Mon 10/83:35 p.m.
LAX
-
LHR
Nonstop10h 35m
United Airlines
Wed 19/88:00 a.m.
LHR
-
LAX
1 stop16h 32m
United Airlines
Deal found 4/6C$ 1,283
Fri 2/1011:53 a.m.
LAX
-
LHR
2 stops20h 07m
Scandinavian Airlines
Sun 18/107:50 p.m.
LHR
-
LAX
2 stops29h 00m
Scandinavian Airlines
Deal found 7/6C$ 1,284
Mon 3/89:02 a.m.
LAX
-
LHR
1 stop13h 18m
Finnair
Fri 28/84:35 p.m.
LHR
-
LAX
1 stop16h 08m
Finnair
Deal found 9/6C$ 1,286
Mon 21/911:15 p.m.
LAX
-
LHR
Nonstop10h 20m
KLM
Mon 5/109:55 a.m.
LHR
-
LAX
Nonstop11h 15m
KLM
Deal found 8/6C$ 1,289
Fri 11/95:50 p.m.
LAX
-
LHR
1 stop13h 15m
Alaska Airlines
Wed 30/95:00 p.m.
LHR
-
LAX
1 stop14h 37m
Alaska Airlines
Deal found 4/6C$ 1,290
Fri 16/104:59 p.m.
LAX
-
LHR
1 stop14h 06m
Alaska Airlines
Thu 29/102:45 p.m.
LHR
-
LAX
1 stop15h 10m
Alaska Airlines
Deal found 9/6C$ 1,291

Find 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 9 June 2026.

Round-trip from

C$ 1,276

One-way from

C$ 423

Popular in

June

Cheapest in

February

Average price

C$ 1,733

Good round-trip deal

C$ 1,803 or less
Delta
  • Delta
  • 26/10-1/11
  • 2 total stops
  • 27h 05m total
  • Los Angeles to London
Search Deals
21/7
  • 21/7
  • 2 total stops
  • 18h 15m total
  • Los Angeles to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 440 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 73 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Los Angeles to London Heathrow.
Search Deals

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 9 June 2026.
Use the filters below to find and compare flights from Los Angeles to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 31/7

8:30 p.m.-5:30 p.m.

1 stop13h 00m

London Heathrow

Fri 21/8

6:30 a.m.-11:50 a.m.

1 stop13h 20m

C$ 1,290

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 18/9

8:15 a.m.-10:00 a.m.

1 stop17h 45m

London Heathrow

Fri 25/9

1:05 p.m.-4:25 p.m.

Nonstop11h 20m

C$ 1,303

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 26/8

2:10 p.m.-4:00 p.m.

2 stops17h 50m

London Heathrow

Mon 31/8

6:40 a.m.-6:29 p.m.

2 stops19h 49m

C$ 1,307

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 18/9

8:10 p.m.-3:00 p.m.

Nonstop10h 50m

London Heathrow

Sun 4/10

2:30 p.m.-6:15 p.m.

Nonstop11h 45m

C$ 1,310
Quickest round-trip

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 6/8

11:15 p.m.-5:35 p.m.

Nonstop10h 20m

London Heathrow

Sat 29/8

6:15 p.m.-9:25 p.m.

Nonstop11h 10m

C$ 1,310

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 11/8

3:35 p.m.-10:10 a.m.

Nonstop10h 35m

London Heathrow

Sun 16/8

8:45 a.m.-4:30 p.m.

1 stop15h 45m

C$ 1,385

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 28/8

12:25 p.m.-10:00 a.m.

1 stop13h 35m

London Heathrow

Thu 10/9

9:30 a.m.-4:20 p.m.

1 stop14h 50m

C$ 1,404

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 30/8

4:10 p.m.-12:35 p.m.

1 stop12h 25m

London Heathrow

Sun 6/9

1:05 p.m.-4:10 p.m.

Nonstop11h 05m

C$ 1,415

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 28/8

8:35 p.m.-3:00 p.m.

Nonstop10h 25m

London Heathrow

Wed 9/9

9:55 a.m.-1:10 p.m.

Nonstop11h 15m

C$ 1,424

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sat 29/8

3:35 p.m.-10:10 a.m.

Nonstop10h 35m

London Heathrow

Thu 10/9

1:05 p.m.-4:25 p.m.

Nonstop11h 20m

C$ 1,424

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Showing 1-10 of 22 resultsSorted by cheapest first
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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?

The best time to book flights from Los Angeles to London Heathrow Airport is 49 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, February is the cheapest month in which you can book a flight from Los Angeles to London Heathrow Airport (average of C$ 918). Flying from Los Angeles to London Heathrow Airport in June is currently the most expensive (average of C$ 1,930). 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 9 June 2026.

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.

How much does it cost to fly round-trip from Los Angeles to London Heathrow Airport?

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 53 outbound flights to London Heathrow per day from 0 airlines. 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 13h. The distance from Los Angeles to London Heathrow Airport is about 8753 km. This flight may include one or multiple stops.

  • 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 (90%), Air France (90%), Delta( 90%).

  • 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$ 1,803, our data indicates the cheapest price to be C$ 1,148. The most popular route (Los Angeles - London Heathrow), is priced around C$ 1,673.

  • 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, February is the cheapest month in which you can book a flight from Los Angeles to London Heathrow Airport (average of C$ 918). Flying from Los Angeles to London Heathrow Airport in June is currently the most expensive (average of C$ 1,930). 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
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Hounslow
Slough
Marlow
Cobham
Leamington Spa
Northampton
Watford
Luton
High Wycombe
Stratford-upon-Avon
Moreton-in-Marsh

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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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