Cheap Flights from Brussels International to Luxembourg

Compare Brussels International to Luxembourg flight deals

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

Book the best Luxembourg fare with no extra fees

Flight deals from Brussels International to Luxembourg

Looking for a cheap last-minute deal or the best return flight from Brussels International to Luxembourg? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Brussels International to Luxembourg

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

Brussels International to Luxembourg: Alternative routes

Compare routes from Brussels International 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 foundج.م.‏ 3,872
Cheapest month to flyOctober

Finding cheap flights from Brussels International to Luxembourg: Frequently asked questions

The best price we found for a return flight from Brussels International to Luxembourg is ج.م.‏ 8,600. 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 International to Luxembourg. But we found flights with one or more stops from ج.م.‏ 8,600.
As of August 2025, there are no flights flying from Brussels International to Luxembourg.
The cheapest month to fly from Brussels International to Luxembourg is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Brussels International Airport to Luxembourg Airport on Saturday, 13 September 2025.
No airlines currently offer direct flights between Brussels International Airport 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.
Currently, Ryanair offers the cheapest flight tickets to Luxembourg.

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

  • Brussels and Luxembourg share the UTC+1 timezone. That means there's no time difference to adjust for.

  • To ensure you get on your BRU to LUX flight, leave plenty of time for things like check-in and baggage drop. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • Flying during a peak time such as July? Major public holidays and other popular periods can lead to longer queues at check-in and security. Play things extra safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • We make it simple to book a flight with a stopover. To see all your options for tickets from Brussels Airport to Luxembourg Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to explore the city of your choice. Some great stopovers between BRU and LUX include:

    • Frankfurt Airport

    • Amsterdam Airport Schiphol

    • Geneve Airport

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

  • Currently, ج.م.‏ 3,867 is the cheapest price we've seen for a one-way Brussels Airport to Luxembourg Airport flight. The best price for a return plane ticket is ج.م.‏ 8,600. Remember that fares can change due to availability at the time of booking.

  • It's usually smart to book early if you're looking for cheap tickets from BRU to LUX. That's because airlines adjust prices based on demand, which tends to rise closer to the date of departure.

  • The 'Whole month' search function shows you the cheapest flights from Brussels Airport to Luxembourg Airport throughout the month. It's a good way to snap up a bargain if your plans are flexible.

  • You don't need to check every day to find out if fares have gone down when you set up a Price Alert. We'll send you an update the moment the price changes on cheap flights from BRU to LUX.

  • Lock in the right flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Brussels Airport to Luxembourg Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about Brussels Airport (BRU)

  • When it comes to Brussels Airport's on-time performance, data shows 71.97% of flights complete their journey on time.

  • Central Brussels to Brussels Airport is approximately 14 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • The journey on public transport takes about 40 minutes.

  • Catching an early flight from Brussels Airport to Luxembourg Airport? Avoid the last-minute rush to the terminal (and get some extra shut-eye) by picking one of these hotels close to BRU:

Arriving at Luxembourg Airport (LUX)

  • Consider staying in a hotel near LUX if you're on a late Brussels Airport to Luxembourg Airport flight. Check in to one of these options and skip the long transfer:

  • Get on the fast track to adventure by picking up a Luxembourg Airport rental car. Grab a set of wheels from Keddy By Europcar, Alamo or Europcar and explore beyond Luxembourg's main sights.

  • To secure the lowest price, book your vehicle from Luxembourg Airport about three weeks ahead.

Getting from Luxembourg Airport (LUX) to central Luxembourg

  • From Luxembourg Airport, Luxembourg is approximately 8 kilometres away. It takes around 15 minutes to get to the centre driving.

  • If you're taking public transport, expect a journey time of about 30 minutes.

When to fly to Luxembourg Airport (LUX)

  • It's time to plan your trip dates for your flight from Brussels Airport to Luxembourg Airport. July is the busiest month to visit Luxembourg. If you're after a quieter vibe, go in January.

  • When booking your flight from Brussels Airport to Luxembourg Airport, think about the kind of weather you like. July is the warmest month in Luxembourg, with temperatures ranging from 9ºC to 26ºC.

  • January sees average temperatures of between -4ºC and 6ºC. Look for cheap tickets from BRU to LUX around that time if you'd rather travel in cooler conditions.

Explore more of Luxembourg

  • You've seen Luxembourg, now it's time to explore other corners of Luxembourg. Travel about 18 kilometres south-west to Esch-sur-Alzette to check off its leading attractions. From Cascades du parc 2017 to Theatre Municipal and Möllerei, there's plenty to keep you busy.

  • If you want to check out another great destination in Luxembourg, consider Dudelange, about 14 kilometres south of Luxembourg. Bricolage et Jardinage Glod Romain, Eglise Saint-Martin de Dudelange and Nature reserve Haard, Hesselsbierg, Staebierg are among the biggest draws.

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