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$73+ Cheap flights from Heathrow (LHR) to Luxembourg (LUX)

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LUX
Jul 19 — Jul 261
Sat 7/19
Sat 7/26
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Luxembourg are usually found in March or August, booked 58 days in advance, depart on a Saturday or Thursday and return on a Sunday

Cheap flight deals from Heathrow to Luxembourg

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Luxembourg (LUX). 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 July 14, 2025.

Round-trip from

$95
(British Airways)

One-way from

$73
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$180

Good one-way deal

$109 or less
From London Heathrow to Luxembourg
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One-way flight from London Heathrow to Luxembourg
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Highest demand for flights based on searches. 6% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a one-way flight from London Heathrow to Luxembourg.
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Find flight deals from Heathrow to Luxembourg

Cheapest flights from Heathrow to Luxembourg
Explore the most affordable flight options available from Heathrow to Luxembourg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2025.

This British Airways deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:10 amLHR - LUX
Nonstop1h 20mBritish Airways
Tue 12/309:55 pmLUX - LHR
Nonstop1h 30mBritish Airways
Deal found 7/13$95
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:10 amLHR - LUX
Nonstop1h 20mMultiple Airlines
Tue 12/304:50 pmLUX - LHR
1 stop5h 10mMultiple Airlines
Deal found 7/13$187
This Lufthansa deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:25 amLHR - LUX
1 stop4h 05mLufthansa
Thu 10/164:45 pmLUX - LHR
1 stop5h 00mLufthansa
Deal found 7/13$191
This SWISS deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:05 pmLHR - LUX
1 stop12h 35mSWISS
Mon 10/1310:30 amLUX - LHR
1 stop9h 50mSWISS
Deal found 7/13$210
This KLM deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/202:45 pmLHR - LUX
1 stop6h 40mKLM
Wed 8/272:15 pmLUX - LHR
1 stop4h 20mKLM
Deal found 7/14$234

Cheapflights Fare Finder

Customize your flight search to find flights from Heathrow to Luxembourg 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 2,558,603 searches. Data last updated July 14, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Luxembourg that are best for you.

Fly from

Heathrow

Fly to

Luxembourg

Route

Depart

Return

Price

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Tue 12/30

7:10 am-9:30 am

Nonstop1h 20m

Luxembourg

Tue 12/30

9:55 pm-10:25 pm

Nonstop1h 30m

$95

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Tue 12/30

7:10 am-9:30 am

Nonstop1h 20m

Luxembourg

Tue 12/30

4:50 pm-9:00 pm

1 stop5h 10m

$187

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Tue 10/7

6:55 am-4:10 pm

1 stop8h 15m

Luxembourg

Mon 10/13

1:30 pm-6:25 pm

1 stop5h 55m

$191

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Mon 10/6

8:05 pm-9:40 am

1 stop12h 35m

Luxembourg

Wed 10/15

7:10 pm-7:55 am

1 stop13h 45m

$210

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Wed 8/20

2:45 pm-10:25 pm

1 stop6h 40m

Luxembourg

Wed 8/27

2:15 pm-5:35 pm

1 stop4h 20m

$234

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Wed 8/27

6:30 pm-8:50 pm

Nonstop1h 20m

$73

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Fri 7/25

10:10 pm-9:10 am

2 stops34h 00m

$143

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Tue 8/26

8:40 am-1:45 pm

1 stop4h 05m

$152

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Fri 8/29

8:25 pm-9:15 am

1 stop11h 50m

$162

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Mon 8/18

6:40 pm-9:40 am

1 stop14h 00m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

Best time to book a flight from Heathrow to Luxembourg

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

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

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Luxembourg. Price data was last updated on July 11, 2025.

The price you pay for your flight from London Heathrow Airport to Luxembourg may vary depending on when you book. For the best chance of a lower fare, look to book 58 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 London Heathrow Airport to Luxembourg?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Luxembourg (average of $638). Flying from London Heathrow Airport to Luxembourg in June is currently the most expensive (average of $1,172). 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 LHR to LUX?

Find hourly flight availability from Heathrow to Luxembourg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 14, 2025.

It’s typically best to fly out from London Heathrow Airport to Luxembourg in the morning. Doing so could potentially save you 35% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Luxembourg

Get insights into the airlines that provide service to Luxembourg. 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 Luxembourg. Reviews last updated July 14, 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Luxembourg, such as KLM, SWISS, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,372 reviews

Entertainment

7.1

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,372 reviews
KLM
7.8
Good
1,372 reviews

Entertainment

7.1

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,657 reviews
KLM
7.8
Good
1,372 reviews

Entertainment

7.1

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,208 reviews
KLM
7.8
Good
1,372 reviews

Entertainment

7.1

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,134 reviews
KLM
7.8
Good
1,372 reviews

Entertainment

7.1

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Luxembourg. 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 into for flights to Luxembourg from London Heathrow?

    Luxembourg (LUX), located 3.8 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Luxembourg. 1 airline have flights to Luxembourg from London Heathrow on a regular basis. Booking flights from London Heathrow to Luxembourg should not be difficult; the airport handles an average of 4 inbound flights from London Heathrow per day.

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

    Cheapflights users have booked flights from London Heathrow Airport to Luxembourg round-trip from $95. Other airlines that can offer you cheap pricing are Lufthansa, from $191, and SWISS, from $210. British Airways is 37% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $73. Users have also found prices from $152 and $162 on KLM and Lufthansa, respectively.

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

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Luxembourg consider choosing American Airlines (80%), Qatar Airways (80%) or Japan Airlines (80%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from London Heathrow Airport to Luxembourg is $84. On average you can expect to pay $126. The most popular route, (London Heathrow - Luxembourg), can usually be booked for $130.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Luxembourg (average of $638). Flying from London Heathrow Airport to Luxembourg in June is currently the most expensive (average of $1,172). 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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to Luxembourg by adding a car rental and/or hotel reservation to your travel itinerary.
Luxembourg Airport car rentals

Top airline flying from Heathrow to Luxembourg

Discover the top airline that operate flights from Heathrow to Luxembourg. 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 2,558,603 searches. Data last updated July 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$92Average$147FlexibilityNo cancel feeOn-time70%

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