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Cheap flights from Los Angeles to London Heathrow Airport from $449

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
14 Jul — 21 Jul1
1 adult

Cheapflights Tip: The best prices from Los Angeles to London Heathrow are usually found in October or September, booked 81 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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 9 July 2025.

Round-trip from

$907

One-way from

$449

Popular in

June

Cheapest in

October

Average price

$1,550

Good round-trip deal

$868 or less
Brussels Airlines
  • Brussels Airlines
  • 24/8-31/8
  • 3 total stops
  • 41h 25m total
  • Los Angeles to London
WestJet
  • WestJet
  • 8/12
  • 1 total stop
  • 21h 50m total
  • Los Angeles to London
Highest demand for flights based on searches. 15% potential increase in price ($390 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($65 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Los Angeles to London Heathrow.

Find flight deals from Los Angeles to Heathrow

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 July 2025.

Sun 24/805:05LAX - LHR
1 stop20h 35mMultiple Airlines
Sun 31/806:50LHR - LAX
2 stops20h 50mMultiple Airlines
Deal found 8/7$907
Mon 10/1108:15LAX - LHR
2 stops40h 05mAustrian Airlines
Tue 18/1114:50LHR - LAX
2 stops35h 25mAustrian Airlines
Deal found 7/7$911
Thu 21/820:05LAX - LHR
Nonstop10h 30mBritish Airways
Fri 29/811:40LHR - LAX
Nonstop11h 15mBritish Airways
Deal found 7/7$914
Wed 6/815:30LAX - LHR
Nonstop10h 30mVirgin Atlantic
Thu 14/806:15LHR - LAX
1 stop14h 50mVirgin Atlantic
Deal found 7/7$916
Thu 4/916:40LAX - LHR
Nonstop10h 30mUnited Airlines
Thu 18/913:05LHR - LAX
Nonstop11h 10mUnited Airlines
Deal found 9/7$917
Sun 12/1019:30LAX - LHR
2 stops54h 05mScandinavian Airlines
Thu 16/1006:40LHR - LAX
1 stop17h 40mScandinavian Airlines
Deal found 7/7$932
Mon 21/720:05LAX - LHR
Nonstop10h 30mDelta
Thu 31/716:05LHR - LAX
1 stop16h 47mDelta
Deal found 7/7$945
Wed 17/913:25LAX - LHR
Nonstop10h 35mFinnair
Sun 21/910:20LHR - LAX
1 stop14h 45mFinnair
Deal found 7/7$960
Wed 6/817:30LAX - LHR
2 stops20h 05mBrussels Airlines
Thu 28/806:50LHR - LAX
2 stops16h 25mBrussels Airlines
Deal found 7/7$969
Thu 2/1016:50LAX - LHR
1 stop13h 00mKLM
Wed 15/1008:40LHR - LAX
1 stop14h 10mKLM
Deal found 9/7$989

Cheapflights Fare Finder

Customise 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 134,765 searches. Data last updated 9 July 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

Departure

Return

Price

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 24/8

05:05-09:40

1 stop20h 35m

London Heathrow

Sun 31/8

06:50-19:40

2 stops20h 50m

$907

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 10/11

08:15-08:20

2 stops40h 05m

London Heathrow

Tue 18/11

14:50-18:15

2 stops35h 25m

$911

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 21/8

20:05-14:35

Nonstop10h 30m

London Heathrow

Fri 29/8

11:40-14:55

Nonstop11h 15m

$914

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 6/8

15:30-10:00

Nonstop10h 30m

London Heathrow

Thu 14/8

06:15-13:05

1 stop14h 50m

$916

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 17/9

22:50-17:15

Nonstop10h 25m

London Heathrow

Tue 30/9

06:30-14:50

1 stop16h 20m

$917

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 5/9

16:40-11:10

Nonstop10h 30m

London Heathrow

Fri 12/9

13:05-16:15

Nonstop11h 10m

$919

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 5/11

19:30-17:40

1 stop14h 10m

London Heathrow

Sat 15/11

10:20-17:00

1 stop14h 40m

$927

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 17/9

21:35-16:05

Nonstop10h 30m

London Heathrow

Sun 28/9

09:30-17:05

1 stop15h 35m

$960

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 6/8

17:30-21:35

2 stops20h 05m

London Heathrow

Thu 28/8

06:50-15:15

2 stops16h 25m

$969

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 8/12

07:00-12:50

1 stop21h 50m

$449

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 19 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 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 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 return flight from Los Angeles to Heathrow. Price data was last updated on 27 June 2025.

The price you pay for your flight from Los Angeles to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $1,189). Flying from Los Angeles to London Heathrow Airport in December is currently the most expensive (average of $1,683). 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 July 2025.

It’s optimal to fly from Los Angeles to London Heathrow Airport in the morning. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from Los Angeles to London Heathrow Airport

Explore weekly flight availability from Los Angeles to Heathrow. 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 July 2025.

The most flights from LAX to LHR are scheduled on a Monday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (44 on average).

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 9 July 2025.
See what other customers who have flown with Delta, KLM, andAustrian Airlines from Los Angeles to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very Good

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    For a flight from Los Angeles to London Heathrow, you will be flying from Los Angeles. Los Angeles (LAX) is just 15.1 km from the centre of the city. Los Angeles is the only Los Angeles airport and it handles 56 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Los Angeles on a regular basis.

  • What are the cheapest airlines flying from Los Angeles to London Heathrow Airport round-trip?

    According to our current data, Austrian Airlines ($911), British Airways ($914), and Virgin Atlantic ($916) offers the cheapest pricing from Los Angeles to London Heathrow Airport. These flights start at 30% lower than the current average price 3 months from now.

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

    The cheapet airlines for a one-way flight from Los Angeles to London Heathrow Airport are WestJet ($449), TAP AIR PORTUGAL ($468), and JetBlue ($594).

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

    The top 3 most reliable airlines when flying from Los Angeles to London Heathrow Airport are Air Canada (86%), Austrian Airlines (86%) and United Airlines (86%).

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

    The cheapest flight price from Los Angeles to London Heathrow Airport is $850. On average you can expect to pay $914. The most popular route, (Los Angeles - London Heathrow), can usually be booked for $796.

  • 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 holiday 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 $1,189). Flying from Los Angeles to London Heathrow Airport in December is currently the most expensive (average of $1,683). 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

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