Cheap Flights from Brussels to Dublin

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Flight deals from Brussels to Dublin

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

Find the cheapest month to fly from Brussels to Dublin

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

Direct flights from Brussels to Dublin

Brussels to Dublin: Alternative routes

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

Brussels to Dublin: Flight information

The things to know before you go.
Cheapest flight foundR 308
Cheapest month to flyOctober
Average flight time1 hr, 44 mins
Most popular airlineRyanair
Average flights per week52

Finding cheap flights from Brussels to Dublin: Frequently asked questions

The best price we found for a return flight from Brussels to Dublin is R 617. 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.
1 hour and 44 minutes is the average flight time from Brussels to Dublin.
Ryanair, Qatar Airways and Aer Lingus fly direct from Brussels to Dublin.
As of September 2025, there are 52 flights per week flying from Brussels to Dublin.
The cheapest month to fly from Brussels to Dublin is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Brussels to Dublin Airport on Tuesday, 7 October 2025.
Yes – the average flight time is 1 hour and 44 minutes.
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 Dublin 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 Dublin is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Dublin is Ryanair .

Flying from Brussels to Dublin Airport (DUB): What you need to know

  • Brussels has two main airports where you can kick off your trip. Check out your options for reserving a flight from Brussels to Dublin Airport (DUB) taking off from Brussels Airport (BRU) or Brussels S. Charleroi Airport (CRL).

  • Hop on a direct Brussels to Dublin Airport flight and you'll be in the air for an average of 1 hour 40 minutes.

  • Dublin Airport is located in Dublin. The city is in the UTC+0 timezone and is one hour behind Brussels.

  • The busiest route is from Brussels Airport (BRU) to Dublin Airport (DUB), with 31 direct weekly services. If you're eager to be on your way, the earliest flight from BRU to DUB is the 8:50am Ryanair service. If you prefer to leave later in the day, the last departure is at 10:25pm with Ryanair.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Show up at the airport on time to board your flight from Brussels to DUB.

  • Planning to travel during a peak period like school or public holidays? Expect longer lines at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours before domestic departures.

Airports in Brussels

Brussels Airport (BRU)

  • Brussels Airport (BRU) makes it easy to travel directly to your destination. Nonstop flights from Brussels to Dublin Airport (DUB) operate out of this terminal.

  • When jetting out of BRU, you can take a direct flight from Brussels to Dublin Airport with Ryanair.

  • The majority of travellers prefer to book seats with Ryanair from BRU to DUB.

  • With 79.34% of services landing as planned, Aer Lingus is the highest-rated carrier for punctuality on this route.

  • BRU is around 14 kilometres from central Brussels. If you're catching a cab, driving or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the trip time to be around 40 minutes.

  • In search of a convenient hotel close to Brussels Airport? If you've booked an early flight from Brussels to Dublin Airport, these accommodation options will have you sleeping moments from your check-in counter:

  • 71.97% of flights leaving from Brussels Airport touch down at their destination on schedule.

Brussels S. Charleroi Airport (CRL)

  • Planning to leave from Brussels S. Charleroi Airport (CRL)? Direct Brussels to Dublin Airport (DUB) plane tickets are available from this popular hub.

  • From CRL, direct flights from Brussels to DUB are offered by Ryanair.

  • On the CRL to DUB route, Ryanair is the airline most travellers rely on.

  • Book with Ryanair if punctuality is a priority. Its flights between Brussels S. Charleroi Airport and Dublin Airport land as scheduled 82.35% of the time.

  • You can arrive at CRL from central Brussels in about 55 minutes by car, depending on traffic. The journey by public transport will take roughly 1 hour 35 minutes to cover the 56 kilometres or so.

  • Want to treat yourself to an extra night away before your Brussels to DUB flight? Kick back in a hotel near Brussels S. Charleroi Airport before your holiday officially begins. Here's where you can stay:

  • Looking at how often flights stay on schedule, Brussels S. Charleroi Airport has an on-time arrival performance of 71.71%.

About Dublin Airport (DUB)

Getting from Dublin Airport (DUB) to central Dublin

  • Central Dublin is roughly 8 kilometres from Dublin Airport. Travel times by car hire or cab will vary based on traffic conditions, so do a little research before your trip.

  • It takes roughly 2 hours 10 minutes when travelling by public transport.

How to find the cheapest flights from Brussels to Dublin Airport (DUB)

  • At the moment, R 308 is the best price we've found for a one-way ticket from Brussels to Dublin Airport. The cheapest price for a return flight is R 617. Remember fares can change due to availability at the time of booking.

  • Don't leave everything to the last moment. You're more likely to walk away with cheap flights from Brussels to DUB if you book early. Airlines often have some excellent early bird rates.

  • The 'Whole month' search tool will show you the cheapest Brussels to Dublin Airport tickets across the entire month. It's a good way to find a bargain if your trip dates are flexible.

  • Never miss a deal on plane tickets from Brussels to DUB by setting up a Price Alert. We'll send you an email or notification on the app when prices go down.

  • Find the best deal on a flight from Brussels to Dublin Airport with the help of the filters. Choose your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

The best time to fly from Brussels to Dublin Airport (DUB)

  • August is when most people book flights from Brussels to Dublin Airport (DUB). Plan your visit to Dublin in February for a quieter experience.

  • Before locking in your Brussels to DUB plane ticket, consider the type of weather you enjoy. July is the warmest month in Dublin, with temperatures ranging from 10ºC (50ºF) to 20ºC (68ºF).

  • January sees temperatures of between 1ºC (34ºF) and 9ºC (48ºF). Look for cheap tickets from Brussels to Dublin Airport around that time if you'd rather travel in cooler conditions.

More about Dublin

Explore more of Ireland

  • Cork is just one of the many cities in Ireland waiting to be explored once you've seen Dublin. Around 225 kilometres away to the south-west, its top attractions include Blarney Castle, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.

  • Around 145 kilometres south-west of Dublin, Waterford is another essential stop in Ireland. Experience major highlights starting with Bishop's Palace, Christ Church Cathedral and Waterford Treasures Medieval Museum.

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