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Cheap flights from Luxembourg to London Heathrow Airport from £26

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 22/12. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — LHR
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Luxembourg to London Heathrow are usually found in January or September, booked 65 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Luxembourg to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Luxembourg (LUX) 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 18 September 2025.

Round-trip from

£68

One-way from

£26

Popular in

December

Cheapest in

January

Average price

£90

Good round-trip deal

£78 or less

Good one-way deal

£143 or less
British Airways
  • British Airways
  • 17/11-18/11
  • Nonstop
  • 2h 50m total
  • Luxembourg to London
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British Airways
  • British Airways
  • 22/12
  • Nonstop
  • 1h 30m total
  • Luxembourg to London
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Highest demand for flights based on searches. 0% potential increase in price (£0 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Luxembourg to London Heathrow.
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Price to beat on a one-way flight from Luxembourg to London Heathrow.
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Find flight deals from Luxembourg to Heathrow

Cheapest flights from Luxembourg to Heathrow
Explore the most affordable flight options available from Luxembourg to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Mon 17/1121:55LUX - LHR
Nonstop1h 30mBritish Airways
Tue 18/1107:10LHR - LUX
Nonstop1h 20mBritish Airways
Deal found 17/9£68
Mon 27/1021:55LUX - LHR
Nonstop1h 30mBritish Airways
Sat 1/1108:10LHR - LUX
Nonstop1h 20mBritish Airways
Deal found 17/9£69
Wed 3/1211:00LUX - LHR
Nonstop1h 40mBritish Airways
Sat 6/1208:10LHR - LUX
Nonstop1h 20mBritish Airways
Deal found 17/9£70
Tue 28/1021:55LUX - LHR
Nonstop1h 30mBritish Airways
Fri 31/1007:55LHR - LUX
Nonstop1h 20mBritish Airways
Deal found 16/9£70
Tue 9/1221:55LUX - LHR
Nonstop1h 30mBritish Airways
Thu 11/1218:45LHR - LUX
Nonstop1h 25mBritish Airways
Deal found 16/9£73
Sat 25/1021:10LUX - LHR
Nonstop1h 25mBritish Airways
Thu 30/1014:25LHR - LUX
Nonstop1h 25mBritish Airways
Deal found 16/9£74
Sat 25/1021:10LUX - LHR
Nonstop1h 25mBritish Airways
Mon 27/1007:45LHR - LUX
Nonstop1h 20mBritish Airways
Deal found 17/9£75
Tue 23/1221:55LUX - LHR
Nonstop1h 30mBritish Airways
Tue 30/1207:10LHR - LUX
Nonstop1h 20mBritish Airways
Deal found 16/9£77
Sat 18/1021:10LUX - LHR
Nonstop1h 25mBritish Airways
Fri 24/1008:05LHR - LUX
Nonstop1h 20mBritish Airways
Deal found 17/9£78

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luxembourg 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 858,174 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from Luxembourg to London Heathrow Airport that are best for you.

Fly from

Luxembourg

Fly to

Heathrow

Route

Depart

Return

Price

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Tue 28/10

10:15-10:55

Nonstop1h 40m

London Heathrow

Tue 28/10

18:40-21:05

Nonstop1h 25m

£71

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Sat 7/3

11:20-12:00

Nonstop1h 40m

London Heathrow

Wed 11/3

07:55-10:15

Nonstop1h 20m

£78

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Sat 25/10

21:10-21:35

Nonstop1h 25m

London Heathrow

Fri 31/10

07:55-10:15

Nonstop1h 20m

£78

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Sat 25/10

21:10-21:35

Nonstop1h 25m

London Heathrow

Thu 30/10

18:45-21:10

Nonstop1h 25m

£78

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Tue 28/10

10:15-10:55

Nonstop1h 40m

London Heathrow

Fri 31/10

07:55-10:15

Nonstop1h 20m

£84

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Tue 28/10

10:15-10:55

Nonstop1h 40m

London Heathrow

Wed 29/10

07:55-10:15

Nonstop1h 20m

£84

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Thu 5/3

11:00-11:40

Nonstop1h 40m

London Heathrow

Mon 9/3

07:45-10:05

Nonstop1h 20m

£85

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Wed 29/10

21:55-22:25

Nonstop1h 30m

London Heathrow

Wed 5/11

07:55-10:15

Nonstop1h 20m

£85

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Fri 13/3

21:55-22:25

Nonstop1h 30m

London Heathrow

Tue 17/3

18:40-21:05

Nonstop1h 25m

£85

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Thu 12/3

11:00-11:40

Nonstop1h 40m

London Heathrow

Mon 16/3

13:55-16:20

Nonstop1h 25m

£85

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 21 results
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Best time to book a flight from Luxembourg to Heathrow

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

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

Use this chart to determine the optimal time to book a return flight from Luxembourg to Heathrow. Price data was last updated on 12 September 2025.

The price you pay for your flight from Luxembourg to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 65 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 Luxembourg to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Luxembourg to London Heathrow Airport (average of £112). Flying from Luxembourg to London Heathrow Airport in August is currently the most expensive (average of £164). 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 LUX to LHR?

Find hourly flight availability from Luxembourg 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 18 September 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 47% on flights from Luxembourg to London Heathrow Airport by exploring options for tickets in the afternoon.

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 18 September 2025.
Check out reviews from past customers who have flown with British Airways from Luxembourg to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,367 reviews
Check prices

Entertainment

6.4

Crew

7.6

Comfort

6.7

Overall

6.7

Boarding

6.9

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
7,367 reviews
British Airways
6.7
Okay
7,367 reviews
Check prices

Entertainment

6.4

Crew

7.6

Comfort

6.7

Overall

6.7

Boarding

6.9

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 Luxembourg 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 Luxembourg to London Heathrow?

    If you book a flight to London Heathrow from Luxembourg, you will be flying from Luxembourg, which is the city’s only airport. Luxembourg (LUX) is located 3.8 mi from the center of Luxembourg. There are 3 flights from Luxembourg to London Heathrow per day from 1 airline.

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

    British Airways can get you from Luxembourg to London Heathrow Airport in just under 1h 30m. Your travel time will be generally consistent. Luxembourg and London Heathrow Airport are separated by a distance of 319 mi. All flights are typically direct.

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

    According to our current data, British Airways (£64), offers the cheapest pricing from Luxembourg to London Heathrow Airport. British Airways is priced at 42% lower than the current average price of a flight leaving 3 months from now.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Luxembourg to London Heathrow Airport on time: Japan Airlines (88%), American Airlines (76%), Qatar Airways (76%).

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

    Looking for the cheapest flight from Luxembourg to London Heathrow Airport? While on average our users pay £119, our data indicates the cheapest price to be £32. The most popular route (Luxembourg - London Heathrow), is priced around £68.

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

    Yes. In addition to deals on Luxembourg to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Luxembourg to Heathrow?

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Luxembourg to London Heathrow Airport (average of £112). Flying from Luxembourg to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Luxembourg to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Luxembourg to London City flights
Luxembourg to Gatwick flights
Luxembourg to Stansted flights
Luxembourg to Luton flights
Luxembourg to Southend flights

Top airline flying from Luxembourg to Heathrow

Discover the top airline that operate flights from Luxembourg 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 858,174 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£64Average£78FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

How does Cheapflights help users find flights from Luxembourg to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Luxembourg to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Luxembourg to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Heathrow from Luxembourg shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Luxembourg today and book when prices fit your budget.

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