Find flights
Deals
When to book
FAQs

Cheap flights from Los Angeles to London Heathrow Airport from C$ 499

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Los Angeles to London Heathrow are usually found in October or September, booked 35 days in advance, depart on a Monday or Tuesday 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 12 December 2025.

Tue 30/127:00 p.m.LAX - LHR
Nonstop10h 30mUnited Airlines
Fri 16/19:00 a.m.LHR - LAX
1 stop15h 35mUnited Airlines
Deal found 11/12C$ 874
Mon 29/125:00 a.m.LAX - LHR
1 stop20h 40mUnited Airlines
Thu 15/19:00 a.m.LHR - LAX
1 stop15h 35mUnited Airlines
Deal found 11/12C$ 881
Sun 28/1211:55 p.m.LAX - LHR
1 stop23h 10mDelta
Thu 15/16:30 a.m.LHR - LAX
2 stops19h 15mDelta
Deal found 11/12C$ 896
Sun 28/127:25 p.m.LAX - LHR
1 stop30h 15mUnited Airlines
Tue 13/12:30 p.m.LHR - LAX
1 stop33h 59mUnited Airlines
Deal found 10/12C$ 903
Wed 31/127:00 p.m.LAX - LHR
Nonstop10h 30mUnited Airlines
Thu 15/13:20 p.m.LHR - LAX
Nonstop11h 25mUnited Airlines
Deal found 11/12C$ 913
Mon 29/126:40 a.m.LAX - LHR
1 stop19h 00mUnited Airlines
Tue 13/13:20 p.m.LHR - LAX
Nonstop11h 25mUnited Airlines
Deal found 11/12C$ 920
Wed 31/127:00 p.m.LAX - LHR
Nonstop10h 30mUnited Airlines
Fri 9/16:00 p.m.LHR - LAX
1 stop24h 32mUnited Airlines
Deal found 11/12C$ 923
Wed 31/124:35 p.m.LAX - LHR
Nonstop10h 20mDelta
Fri 9/11:00 p.m.LHR - LAX
1 stop17h 48mDelta
Deal found 10/12C$ 927
Sun 28/1211:55 p.m.LAX - LHR
1 stop23h 10mDelta
Fri 9/19:40 a.m.LHR - LAX
1 stop19h 42mDelta
Deal found 10/12C$ 934
Wed 24/126:00 a.m.LAX - LHR
1 stop22h 00mUnited Airlines
Thu 22/19:00 a.m.LHR - LAX
1 stop15h 35mUnited Airlines
Deal found 9/12C$ 957

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 12 December 2025.

Round-trip from

C$ 858

One-way from

C$ 499

Popular in

December

Cheapest in

October

Average price

C$ 1,476

Good round-trip deal

C$ 1,473 or less

Good one-way deal

C$ 477 or less
SWISS
  • SWISS
  • 19/1-25/1
  • 2 total stops
  • 44h 35m total
  • Los Angeles to London
Search Deals
JetBlue
  • JetBlue
  • 4/3
  • 1 total stop
  • 15h 55m total
  • Los Angeles to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 133 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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.
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 12 December 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

Fri 24/4

10:25 a.m.-4:00 p.m.

2 stops21h 35m

London Heathrow

Tue 12/5

10:20 a.m.-4:50 p.m.

1 stop14h 30m

C$ 895

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 10/5

12:05 p.m.-10:00 a.m.

1 stop13h 55m

London Heathrow

Wed 20/5

6:55 a.m.-3:15 p.m.

1 stop16h 20m

C$ 912

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 29/12

8:35 a.m.-7:05 a.m.

1 stop14h 30m

London Heathrow

Tue 20/1

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

Nonstop11h 20m

C$ 920

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 7/1

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

Nonstop10h 30m

London Heathrow

Tue 20/1

3:20 p.m.-6:45 p.m.

Nonstop11h 25m

C$ 924

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 12/1

7:30 p.m.-6:30 p.m.

1 stop15h 00m

London Heathrow

Fri 16/1

7:30 p.m.-8:16 p.m.

2 stops32h 46m

C$ 935

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 19/3

8:20 a.m.-7:30 a.m.

1 stop16h 10m

London Heathrow

Sat 28/3

6:35 a.m.-3:15 p.m.

1 stop15h 40m

C$ 942

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sat 28/3

7:55 p.m.-8:55 a.m.

2 stops29h 00m

London Heathrow

Tue 7/4

9:05 p.m.-4:50 p.m.

2 stops27h 45m

C$ 976

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 27/2

5:45 p.m.-12:50 p.m.

1 stop35h 05m

London Heathrow

Fri 6/3

2:50 p.m.-10:03 p.m.

1 stop15h 13m

C$ 981

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 20/3

1:40 p.m.-4:00 p.m.

2 stops19h 20m

London Heathrow

Tue 31/3

9:05 p.m.-4:50 p.m.

2 stops27h 45m

C$ 986

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 8/2

7:00 a.m.-6:55 a.m.

1 stop15h 55m

C$ 505

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 20 results
1
2

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 5 December 2025.

The best time to book flights from Los Angeles to London Heathrow Airport is 35 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$ 656). Flying from Los Angeles to London Heathrow Airport in June is currently the most expensive (average of C$ 963). 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 12 December 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.

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 51 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 10h 30m. 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: Air Canada (90%), Austrian Airlines (90%), United Airlines( 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$ 999, our data indicates the cheapest price to be C$ 291. The most popular route (Los Angeles - London Heathrow), is priced around C$ 1,005.

  • 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$ 656). Flying from Los Angeles to London Heathrow Airport in June is currently the most expensive (average of C$ 963). 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
Twickenham
Slough
Marlow
Milton Keynes
Leamington Spa
Romford
Watford
Bedford
Luton
Stratford-upon-Avon
Gatwick
Hounslow

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.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.