Cheap Flights from Belfast International to Brussels

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Flight deals from Belfast International to Brussels

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

Find the cheapest month to fly from Belfast International to Brussels

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

Alternative Belfast International to Brussels routes

Looking for the cheapest, fastest or easiest route from Belfast International to Brussels? You could fly into the following airports instead.

Belfast to Brussels: Flight information

The things to know before you go.
Cheapest flight found121 €
Cheapest month to flyAugust

Finding cheap flights from Belfast International 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 Belfast International to Brussels is 121 €. 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 Belfast International to Brussels. But we found flights with one or more stops from 121 €.
As of June 2025, there are no flights flying from Belfast International to Brussels.
The cheapest month to fly from Belfast International to Brussels is usually June 2025.
If you're flying from Belfast International Airport, the cheapest airport near Brussels is Brussels S. Charleroi – which is 44.1 km away from the centre of Brussels. We've found flights into this airport from 121 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Belfast International Airport to Brussels on Saturday, 23 August 2025.
No airlines currently offer direct flights between Belfast International 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 June, the average temperature is usually around 15°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.

Flying from Belfast International Airport (BFS) to Brussels: what you need to know

  • Brussels is one hour ahead of Belfast, where Belfast International Airport is located. Brussels follows the UTC+1 timezone.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your BFS to Brussels flight.

  • Longer lines at check-in and security are likely if you're flying during high season, so allow a bit more breathing room. A good rule of thumb for peak times? Arrive up to four hours early for international flights and two hours for domestic departures.

  • A stopover is the perfect opportunity to take a break from travelling and possibly even explore a different city. When browsing for plane tickets from BFS to Brussels, deselect the 'Direct flights only' box to see where you can stop along the way. Popular options include:

    • Manchester Airport (MAN)

    • Geneve Airport (GVA)

    • Edinburgh Airport (EDI)

  • BFS is around 19 kilometres from central Belfast. If you're catching a cab, ride-sharing or driving from the centre, it'll take 30 minutes or so to get there, depending on traffic. If you're using public transport, expect the journey time to be around 2 hours.

  • Want a hassle-free start to your trip? Stay near BFS. Whether you're boarding an early flight from Belfast International Airport to Brussels or want to avoid feeling rushed, these hotels put convenience first:

  • When it comes to Belfast International Airport's on-time performance, 67.55% of flights meet their scheduled arrival time.

How to find the cheapest flights from Belfast International Airport (BFS) to Brussels

  • The lowest price we've found for a one-way Belfast International Airport to Brussels flight is 48 €. The cheapest price for a return flight is 121 €. Bear in mind fares may change due to availability at the time of booking.

  • Don't wait until the last moment. You're more likely to pick up cheap flights from BFS to Brussels if you book in advance. Airlines often offer some fantastic early bird rates.

  • The 'Whole month' search tool will show you the cheapest tickets from Belfast International Airport to Brussels across the entire month. It's a great way to find a bargain if your travel plans are flexible.

  • There's no need to keep looking every day to find out if fares have dropped when you set up a Price Alert. We'll let you know as soon as there's an updated deal for cheap flights from BFS to Brussels.

  • Tailor your flights with filters. Choose your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Belfast International Airport to Brussels.

Airports in Brussels

Brussels Airport (BRU)

  • Brussels Airport (BRU) to central Brussels takes about 20 minutes by car. The centre is roughly 14 kilometres away.

  • Travelling by public transport takes about 40 minutes.

  • Consider staying in a hotel close to BRU if you have a late flight from Belfast International Airport to Brussels. Check in to one of these options and make arrival day easier:

  • Get on the fast track to adventure 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 main sights.

  • Reserving your vehicle from Brussels Airport about three weeks before your flight from BFS to Brussels can help you lock in the best possible rate.

Brussels S. Charleroi Airport (CRL)

  • Brussels S. Charleroi Airport (CRL) is about 56 kilometres from the centre of Brussels. Once you've hopped off your flight from Belfast International Airport to Brussels, it'll take you around 55 minutes to get to the heart of the city in a cab or ride-share.

  • You can expect the trip to take roughly 1 hour 35 minutes on public transport.

  • Hang up the 'Do not disturb' sign and unwind at a hotel near CRL. Here are a few options where you can take a load off after your BFS to Brussels flight:

  • Keddy By Europcar, Thrifty and Budget make collecting a Brussels S. Charleroi Airport rental car simple. These reliable suppliers are located in or around the terminal and will have you behind the wheel before you know it.

  • Score the best price by securing your ride from CRL two weeks in advance. You'll also have access to a wider selection of vehicles.

Best time to go to Brussels

  • Carefully consider your dates before booking your flight from Belfast International Airport to Brussels. The city buzzes in high season, but prices are often higher and major attractions can be crowded. Go to Brussels in low season for a quieter vibe.

  • Lock in a Belfast International Airport to Brussels plane ticket with a departure in August to visit the city during its warmest month. Expect temperatures to range from 12ºC (54ºF) to 27ºC (81ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from BFS to Brussels in January when temperatures average between -2ºC (28ºF) and 8ºC (46ºF).

More about Brussels

Explore more of Belgium

  • Ostend is just one of the many cities in Belgium waiting to be explored after you've experienced Brussels. Around 113 kilometres away to the west, top sights here include Fort Napoleon, The Crystal Ship and Leopoldpark.

  • Verviers is another favourite destination in Belgium and is around 113 kilometres east of Brussels. No journey is complete without a visit to Quai Pierre Rapsat, Parc de Séroule and Parc de la Tourelle.

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