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Cheap flights from London Heathrow Airport to Luxembourg from £53

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LUX
28 Aug — 4 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Luxembourg are usually found in March or October, booked 29 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Heathrow to Luxembourg

Enter your travel dates to find the best prices.

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 29 July 2026.

Thu 3/908:25
LHR
-
LUX
Nonstop1h 20m
British Airways
Mon 7/921:05
LUX
-
LHR
Nonstop1h 20m
British Airways
Deal found 27/7£78
Tue 1/908:15
LHR
-
LUX
Nonstop1h 20m
British Airways
Wed 2/921:35
LUX
-
LHR
Nonstop1h 20m
British Airways
Deal found 28/7£80
Thu 24/917:55
LHR
-
LUX
Nonstop1h 20m
British Airways
Mon 28/921:05
LUX
-
LHR
Nonstop1h 20m
British Airways
Deal found 26/7£83
Mon 17/818:00
LHR
-
LUX
Nonstop1h 20m
British Airways
Mon 24/821:05
LUX
-
LHR
Nonstop1h 20m
British Airways
Deal found 27/7£84
Fri 2/1018:05
LHR
-
LUX
Nonstop1h 20m
British Airways
Mon 5/1021:05
LUX
-
LHR
Nonstop1h 20m
British Airways
Deal found 28/7£85
Thu 19/1118:45
LHR
-
LUX
Nonstop1h 25m
British Airways
Sun 22/1109:15
LUX
-
LHR
Nonstop1h 40m
British Airways
Deal found 26/7£86
Tue 22/908:15
LHR
-
LUX
Nonstop1h 20m
British Airways
Mon 28/921:05
LUX
-
LHR
Nonstop1h 20m
British Airways
Deal found 26/7£87
Thu 20/808:25
LHR
-
LUX
Nonstop1h 20m
British Airways
Mon 24/821:05
LUX
-
LHR
Nonstop1h 20m
British Airways
Deal found 27/7£88
Thu 8/1017:55
LHR
-
LUX
Nonstop1h 20m
British Airways
Thu 15/1011:45
LUX
-
LHR
Nonstop1h 35m
British Airways
Deal found 26/7£89
Fri 21/808:05
LHR
-
LUX
Nonstop1h 20m
British Airways
Mon 24/816:50
LUX
-
LHR
Nonstop1h 35m
British Airways
Deal found 24/7£90

Find 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 29 July 2026.

Round-trip from

£78

One-way from

£53

Popular in

December

Cheapest in

March

Average price

£120

Good round-trip deal

£105 or less

Good one-way deal

£73 or less
British Airways
  • British Airways
  • 3/9-7/9
  • Nonstop
  • 2h 40m total
  • London to Luxembourg
Search Deals
British Airways
  • British Airways
  • 14/10
  • Nonstop
  • 1h 20m total
  • London to Luxembourg
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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Price to beat on a round-trip flight from London Heathrow to Luxembourg.
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Price to beat on a one-way flight from London Heathrow to Luxembourg.
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Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 29 July 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Luxembourg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Thu 17/9

17:55-20:15

Nonstop1h 20m

Luxembourg

Mon 21/9

11:45-12:20

Nonstop1h 35m

£87
Fastest return journey

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Thu 20/8

08:25-10:45

Nonstop1h 20m

Luxembourg

Mon 24/8

21:05-21:25

Nonstop1h 20m

£88

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Wed 19/8

08:20-10:40

Nonstop1h 20m

Luxembourg

Wed 26/8

21:35-21:55

Nonstop1h 20m

£104

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Wed 14/10

17:25-19:45

Nonstop1h 20m

Luxembourg

Thu 15/10

21:05-21:25

Nonstop1h 20m

£106

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Sat 12/9

07:05-09:25

Nonstop1h 20m

Luxembourg

Sat 19/9

10:55-11:30

Nonstop1h 35m

£106

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Mon 31/8

08:20-10:40

Nonstop1h 20m

Luxembourg

Mon 31/8

21:05-21:25

Nonstop1h 20m

£113

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Fri 23/10

08:05-10:25

Nonstop1h 20m

Luxembourg

Sun 25/10

09:15-09:55

Nonstop1h 40m

£114

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Thu 13/8

08:25-10:45

Nonstop1h 20m

Luxembourg

Tue 18/8

11:30-12:05

Nonstop1h 35m

£123
Cheapest one-way
Fastest single journey

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Tue 19/1

07:10-09:30

Nonstop1h 20m

£68

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Thu 20/8

08:25-10:45

Nonstop1h 20m

£70

Flights are sorted by cheapest return flights first.

Deals found on 24/7

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 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 London Heathrow Airport to Luxembourg

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

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Luxembourg, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Luxembourg?

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Luxembourg (average of £100). Flying from London Heathrow Airport to Luxembourg in December is currently the most expensive (average of £188). 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 29 July 2026.

When flying from London Heathrow Airport to Luxembourg, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 26% versus a flight in the afternoon.

How much does it cost for a return flight from London Heathrow Airport to Luxembourg?

Airfare is below average for this route at the moment.

London Heathrow Airport to Luxembourg flights typically cost between £123 and £193 in September.
The cheapest return price found within the last 5 days was £78 on British Airways (3 Sept–7 Sept).

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 29 July 2026.
Check out reviews from past customers who have flown with British Airways from London Heathrow Airport to Luxembourg 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
8,129 reviews
Check prices

Comfort

6.8

Entertainment

6.5

Boarding

7.0

Overall

6.7

Food

6.4

Crew

7.7

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.
British Airways
6.7
Okay
8,129 reviews
British Airways
6.7
Okay
8,129 reviews
Check prices

Comfort

6.8

Entertainment

6.5

Boarding

7.0

Overall

6.7

Food

6.4

Crew

7.7

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.

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) is the airport you will fly into if you book a flight from London Heathrow to Luxembourg. You should not have trouble finding flights to Luxembourg from London Heathrow; the airport handles an average of 1 inbound flight from London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Luxembourg airport from London Heathrow. It is only a 3.8 mi journey from Luxembourg (LUX) to Luxembourg’s city center.

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

    British Airways can get you from London Heathrow Airport to Luxembourg in just under 1h 20m. Your travel time will be generally consistent. The distance between London Heathrow Airport and Luxembourg is about 319 mi. Most flights are nonstop.

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

    British Airways, at £68, was found to be the cheapest airline from London Heathrow Airport to Luxembourg.. This flight start at 47% lower than the current average price 3 months from now.

  • 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 (74%), British Airways (74%) or Qatar Airways (73%) 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?

    On average you can expect to pay £121 for a flight from London Heathrow Airport to Luxembourg. The cheapest flight overall is £64 while the most popular route, (London Heathrow - Luxembourg) is currently priced at £78.

  • 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 holiday 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Luxembourg (average of £100). Flying from London Heathrow Airport to Luxembourg in December is currently the most expensive (average of £188). 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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Alternative routes for Heathrow to Luxembourg

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

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 858,174 searches. Data last updated 29 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£68Average£125FlexibilityNo 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 Heathrow to Luxembourg?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Luxembourg from Heathrow today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Luxembourg by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Heathrow to Luxembourg with no change fees.

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

Of course! You can now track prices for flights from Heathrow to Luxembourg and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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