Cheap flights from Brussels to Luxembourg

Compare Brussels to Luxembourg flight deals

Find the cheapest month or even day of the year to fly to Luxembourg

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Flight deals from Brussels to Luxembourg Airport

Looking for a cheap last-minute deal or the best return flight from Brussels to Luxembourg Airport? If you want to travel next month, return fares start from $259. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Brussels to Luxembourg

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Brussels to Luxembourg flights are currently cheapest in May.

Brussels to Luxembourg: Alternative routes

Compare routes from Brussels to Luxembourg below. You may find an airport to fly into that's cheaper, faster, or easier than Luxembourg.

Brussels to Luxembourg: Flight information

The things to know before you go.
Cheapest flight found$63
Cheapest month to flyMay

Finding cheap flights from Brussels to Luxembourg: Frequently asked questions

The best price we found for a return flight from Brussels to Luxembourg is $250. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Brussels to Luxembourg. But we found flights with one stop from $250.
As of March 2026, there are no flights flying from Brussels to Luxembourg.
The cheapest month to fly from Brussels to Luxembourg is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Brussels to Luxembourg Airport on Thursday, 7 May 2026.
No airlines currently offer direct flights between Brussels and Luxembourg Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Luxembourg but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Luxembourg is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Luxembourg is Lufthansa .

Travelling from Brussels to Luxembourg Airport (LUX): What you need to know

  • Luxembourg (where Luxembourg Airport is located) and Brussels share the UTC+1 timezone. Easily coordinate travel plans without worrying about time differences.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your flight from Brussels to LUX.

  • You'll want to head there even earlier during popular months like September. Aim for two hours before domestic departures and as much as four hours for international flights. After checking in, you can use any extra time to relax or go over your itinerary.

Airports in Brussels

Brussels Airport (BRU)

  • We make it easy to find cheap flights from Brussels to LUX that include a stopover. To explore your options departing from Brussels Airport (BRU), deselect 'Direct flights only.' Then, simply pick a flight offering a stop long enough to tour your chosen city. Popular stopovers between BRU and LUX include:

    • Amsterdam Schiphol Airport (AMS)

    • Frankfurt Airport (FRA)

    • Geneva Airport (GVA)

  • The journey from central Brussels to BRU takes around 20 minutes by public transport. If you ride-share, drive or take a taxi, you'll cover the 13 kilometres in 25 minutes or so, depending on traffic conditions.

  • In search of a comfortable hotel near Brussels Airport? If you've booked an early flight from Brussels to Luxembourg Airport, these stays will put you moments from your check-in counter:

  • Of the departures from Brussels Airport, 75% land on time at their destination.

Brussels South Charleroi Airport (CRL)

  • Squeeze in an extra adventure with a stopover on your flight from Brussels to Luxembourg Airport. Check out these connections between Brussels South Charleroi Airport and LUX:

    • Vaclav Havel Airport Prague (PRG)

    • Marseille Provence Airport (MRS)

    • Bologna Guglielmo Marconi Airport (BLQ)

  • CRL is around 56 kilometres from central Brussels. It'll take you 55 minutes or so to get to the airport by car from the city centre. Public transport takes approximately 1 hour 15 minutes.

  • Want to treat yourself to an extra night away before your Brussels to LUX flight? Check in to a hotel near Brussels South Charleroi Airport before your adventure officially starts. These stays are expecting you:

  • When it comes to flight punctuality, Brussels South Charleroi Airport has an on-time arrival performance of 78%.

About Luxembourg Airport (LUX)

Getting from Luxembourg Airport (LUX) to central Luxembourg

  • From Luxembourg Airport, central Luxembourg is around 6 kilometres away. It takes about 15 minutes to reach the city centre by car.

  • It takes roughly 25 minutes if you're travelling on public transport.

How to find the cheapest flights from Brussels to Luxembourg Airport (LUX)

  • Right now, $63 is the best price we've found for a one-way ticket from Brussels to Luxembourg Airport. The cheapest price for a return flight is $250. Remember fares can change due to demand at the time of booking.

  • Don't wait until the last moment. You're more likely to find cheap flights from Brussels to LUX if you book ahead. Airlines often have some amazing early bird discounts.

  • If you're flexible with your travel plans, try using the 'Whole month' tool. It'll show you the lowest price across the month when searching for your Brussels to Luxembourg Airport ticket.

  • Save time looking for cheap plane tickets from Brussels to LUX by setting up a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.

  • Filters make it easier to find a bargain for your flight from Brussels to Luxembourg Airport. Choose the departure times, carriers and stops that line up with your plans. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from Brussels to Luxembourg Airport (LUX)

  • Think about the kind of holiday you want when deciding the best time to fly. December is the quietest month to go to Luxembourg. September is when most people book flights from Brussels to Luxembourg Airport (LUX), which may be perfect if you enjoy travelling when it's busier.

  • Lock in a Brussels to LUX plane ticket departing in August if you're eager to visit the city during its warmest month. Expect temperatures in Luxembourg to range from 10ºC (50ºF) to 28ºC (82ºF).

  • January sees temperatures of between -4ºC (25ºF) and 6ºC (43ºF). Search for cheap tickets from Brussels to Luxembourg Airport around that time if you like travelling in cooler conditions.

More about Luxembourg

  • When it comes to looking for somewhere to lay your head, you'll find the top stays in Luxembourg right here. Check out these hotels as soon as you've locked in your flight from Brussels to Luxembourg Airport:

  • There are so many things to explore in this city, it can be difficult to know where to begin. Notre Dame Cathedral (Cathedrale Notre Dame), Grand Ducal Palace and Garden Luxembourg are popular attractions which should be on every Luxembourg itinerary.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.