Cheap flights from Los Angeles to London Heathrow Airport

LAX — LHR
3 Aug — 10 Aug1
1 adult

Cheapflights Tip: The best prices from Los Angeles to London Heathrow are usually found in October or September, booked 44 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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 29 July 2025.

Round-trip from

C$ 702

One-way from

C$ 244

Popular in

December

Cheapest in

October

Average price

C$ 1,213

Good round-trip deal

C$ 776 or less

Good one-way deal

C$ 520 or less
Finnair
  • Finnair
  • 3/9-23/9
  • Nonstop
  • 21h 55m total
  • Los Angeles to London
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 12/10
  • 1 total stop
  • 22h 15m total
  • Los Angeles to London
Highest demand for flights based on searches. 7% potential increase in price (C$ 114 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 43 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Los Angeles to London Heathrow.
Price to beat on a one-way flight from Los Angeles to London Heathrow.

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 25 July 2025.

The best time to book flights from Los Angeles to London Heathrow Airport is 44 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$ 560). Flying from Los Angeles to London Heathrow Airport in July is currently the most expensive (average of C$ 857). 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 29 July 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 24% on flights from Los Angeles to London Heathrow Airport by exploring options for tickets in the morning.

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 29 July 2025.

The most flights from LAX to LHR are scheduled on a Monday (59 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (54 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 29 July 2025.
Read reviews from past customers who have flown Delta,Austrian Airlines, andFinnair 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.

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

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

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

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.

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

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.

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

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.

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

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.

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

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?

    Most people fly from Los Angeles (LAX) if they book a flight from Los Angeles to London Heathrow. On average, Los Angeles has 58 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.

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

    Our cheapest airline available from Los Angeles to London Heathrow Airport is Finnair. Our recent data shows that you can find tickets from as low as C$ 702 on this airline. Additional options worth looking into are Delta and British Airways, starting at C$ 705 and C$ 708 round-trip. You may be able to fly from Los Angeles to London Heathrow Airport for 34% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as C$ 244. However, be on the lookout for offers from WestJet and LEVEL, 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 (89%), Air France (89%), Delta( 89%).

  • 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$ 745, our data indicates the cheapest price to be C$ 520. The most popular route (Los Angeles - London Heathrow), is priced around C$ 776.

  • 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$ 560). Flying from Los Angeles to London Heathrow Airport in July is currently the most expensive (average of C$ 857). 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
Brentford
Sutton
Hounslow
Slough
Marlow
Leamington Spa
Milton Keynes
Romford
Watford
Bromley
Luton
Bedford
Southall

Browse thousands of different options on Cheapflights for your next trip

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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 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 823AverageC$ 1,121FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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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