163 € Cheap Flights from Klagenfurt to Brussels

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Flight deals from Klagenfurt to Brussels

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

Find the cheapest month to fly from Klagenfurt to Brussels

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

Klagenfurt to Brussels: Flight information

The things to know before you go.
Cheapest flight found163 €
Cheapest month to flyFebruary

Finding cheap flights from Klagenfurt to Brussels: Frequently asked questions

There are 5 airports in Brussels: Brussels International, Antwerp Deurne, Brussels S. Charleroi, Liege, and Kortrijk.
The best price we found for a return flight from Klagenfurt to Brussels is 163 €. 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 Klagenfurt to Brussels. But we found flights with one or more stops from 163 €.
As of February 2026, there are no flights flying from Klagenfurt to Brussels.
The cheapest month to fly from Klagenfurt to Brussels is usually February.
If you're flying from Klagenfurt Airport, the cheapest airport near Brussels is Brussels International – which is 11.0 km away from the centre of Brussels. We've found flights into this airport from 163 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Klagenfurt Airport to Brussels on Monday, 23 February 2026.
No airlines currently offer direct flights between Klagenfurt Airport and Brussels. 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 Brussels 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 Brussels is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 3°C. July is typically the warmest month in Brussels, when it usually averages around 22°C. You can expect the least rain in April. The coldest month is January, with temperatures averaging -0°C. The rainiest month is December.
Currently, Ryanair offers the cheapest flight tickets to Brussels.

Travelling from Klagenfurt Airport (KLU) to Brussels: what you need to know

  • Brussels's timezone is UTC+1, which is the same as Klagenfurt (the location of Klagenfurt Airport).

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to board your KLU to Brussels flight.

  • Longer lines at security and check-in are likely if you're travelling during high season, so give yourself some extra breathing room. A good rule for peak times? Get there up to four hours ahead for international flights and at least two hours for domestic departures.

  • Stopovers are the perfect opportunity to take a break from travelling and possibly even explore a different city. When searching for plane tickets from KLU to Brussels, deselect the 'Direct flights only' box to see where you can stop along the way. Here are some popular options to consider:

    • Vienna International Airport (VIE)

    • Palma de Mallorca Airport (PMI)

    • Alicante-Elche Airport (ALC)

  • Travelling from central Klagenfurt to KLU takes around 30 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 3 kilometres in 10 minutes or so, depending on traffic.

  • Have an early flight from Klagenfurt Airport to Brussels? Avoid the last-minute rush to the terminal (and get some extra shut-eye) by choosing one of these stays close to KLU:

  • 89.42% of flights departing from Klagenfurt Airport touch down at their destination on schedule. With its strong performance rating, disruptions are unlikely when setting off from KLU.

How to find the cheapest flights from Klagenfurt Airport (KLU) to Brussels

  • 65 € is currently the best price for a one-way Klagenfurt Airport to Brussels flight. A return plane ticket starts from 163 €. These fares can change depending on availability and demand.

  • To find cheap flights from KLU to Brussels, book in advance. Airlines typically offer lower fares when flights first go on sale.

  • The 'Whole month' tool will show you the cheapest tickets from Klagenfurt Airport to Brussels across the month. It's a great way to snap up a bargain if your travel dates aren't set in stone.

  • There's no need to keep looking every day to see if fares have dropped when you create a Price Alert. We'll notify you the moment there's an even better deal on cheap flights from KLU to Brussels.

  • Save money on your flight from Klagenfurt Airport to Brussels with the help of our filters. Choose your preferred duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Brussels

Brussels Airport (BRU)

  • Brussels Airport (BRU) is around 14 kilometres from central Brussels. If you're opting for a ride-share or a cab, the drive will take roughly 20 minutes.

  • Getting there on public transport typically takes 40 minutes.

  • If you have a late flight from Klagenfurt Airport to Brussels, few things beat the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and snoozing soon after at one of these hotels near BRU:

  • Hit the road running by picking up a Brussels Airport rental car. Grab a set of wheels from Keddy By Europcar, Alamo or Europcar and explore beyond Brussels's usual tourist stops.

  • To secure the lowest price, reserve your vehicle from Brussels Airport about three weeks in advance of your flight from KLU to Brussels.

Brussels S. Charleroi Airport (CRL)

  • Brussels S. Charleroi Airport (CRL) is about 56 kilometres from central Brussels. After your flight from Klagenfurt Airport to Brussels, it'll take you around 55 minutes to reach the heart of the city in a cab or ride-share.

  • You can expect the journey to take about 1 hour 35 minutes on public transport.

  • Place the 'Do not disturb' sign on your door and unwind at a hotel near CRL. Here are a few options where you can tuck yourself in after your KLU to Brussels flight:

  • Keddy By Europcar, Thrifty and Budget make picking up a Brussels S. Charleroi Airport rental car quick and easy. These providers are located in or around the terminal and will have you ready to go in a flash.

  • Lock in the best price by securing your ride from CRL two weeks ahead of time. You can also expect to have a wider selection of vehicles.

Best time to go to Brussels

  • Visit Brussels during peak season if you want a lively atmosphere, but remember that prices may be higher. Alternatively, book flights from Klagenfurt Airport to Brussels during low season when prices are cheaper and it's not as busy.

  • Before booking a Klagenfurt Airport to Brussels plane ticket, think about the weather you're most comfortable in. August is the warmest month in Brussels, with temperatures ranging from 12ºC (54ºF) to 27ºC (81ºF).

  • Search for cheap tickets from KLU to Brussels in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -2ºC (28ºF) and 8ºC (46ºF) on average.

More about Brussels

  • When it comes to searching for somewhere to rest your head, you'll find the top stays in Brussels right here. Check out these hotels once you've locked in your flight from Klagenfurt Airport to Brussels:

  • All great journeys should include some sightseeing. Atomium, Grand Place and Manneken Pis are attractions you won't want to skip in Brussels.

Explore more of Belgium

  • Ostend is just one of the many places in Belgium waiting to be explored once you've seen Brussels. Around 113 kilometres away to the west, its best attractions include Fort Napoleon, The Crystal Ship and Leopoldpark.

  • If you're looking to explore another corner of Belgium, head for Verviers, roughly 113 kilometres east of Brussels. Quai Pierre Rapsat, Parc de Séroule and Parc de la Tourelle are among the biggest draws.

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