Cheap Flights from Brussels International to Dublin

Compare Brussels International to Dublin flight deals

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

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Flight deals from Brussels International to Dublin

Looking for a cheap last-minute deal or the best return flight from Brussels International Airport to Dublin Airport? If you want to travel next month, return fares start from $214. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Brussels International to Dublin

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

Direct flights from Brussels International to Dublin

Brussels International to Dublin: Alternative routes

Compare routes from Brussels International 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 found$74
Cheapest month to flySeptember
Average flight time1 hr, 43 mins
Most popular airlineAer Lingus
Average flights per week56

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

The best price we found for a return flight from Brussels International to Dublin is $74. 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 43 minutes is the average flight time from Brussels International to Dublin.
Aer Lingus, Ryanair and jetBlue fly direct from Brussels International to Dublin.
As of June 2026, there are 56 flights per week flying from Brussels International to Dublin.
The cheapest month to fly from Brussels International to Dublin 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 Dublin Airport on Sunday, 20 September 2026.
Yes – the average flight time is 1 hour and 43 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.
Currently, Ryanair offers the cheapest flight tickets to Dublin.

Flying from Brussels International Airport (BRU) to Dublin Airport (DUB): what you need to know

  • Book a direct flight from Brussels International Airport to Dublin Airport and you'll be in the air for an average of 1 hour 45 minutes.

  • The timezone in Dublin is UTC+0, which is one hour behind Brussels.

  • Take your pick of 27 weekly Brussels International Airport to Dublin Airport flights. The 08:50 departure with Ryanair is the earliest flight you can take. Ryanair operates the last service of the day at 22:25.

  • Arrive at the airport on time so you don't miss your BRU to DUB flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Flying during a peak month such as September? School holidays and other high seasons can lead to longer queues and delays at airport checkpoints. Be extra cautious and arrive up to four hours before an international flight and two hours before a domestic departure.

  • Jetting into Dublin (and then discovering more of Ireland!) is easy with Ryanair. This popular airline offers direct flights from Brussels International Airport to Dublin Airport.

  • Most travellers choose to fly with Ryanair on this route.

  • Aer Lingus is the most punctual carrier that operates BRU to DUB flights, with 74.02% of its services landing on time.

  • We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Brussels International Airport to Dublin Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to visit your chosen city. Stopovers between BRU and DUB include:

    • London Heathrow Airport

    • Amsterdam Schiphol Airport

    • Manchester Airport

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

  • $36 is currently the lowest price for a one-way Brussels International Airport to Dublin Airport flight. A return flight starts from $74. These prices may change depending on demand.

  • Don't leave things to the last minute. You're more likely to find cheap tickets from BRU to DUB if you book in advance. Airlines often offer some fantastic early bird discounts.

  • May is the cheapest month for flights from Brussels International Airport to Dublin Airport. If you'd like to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • Cut down on the time spent looking for cheap flights from BRU to DUB by creating a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

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

Handy information about Brussels International Airport (BRU)

  • When it comes to the on-time performance of Brussels International Airport, data shows 75% of flights arrive within the expected timeframe.

  • To reach Brussels International Airport from central Brussels, it'll take around 25 minutes by car. This depends on traffic, however. It's approximately 13 kilometres from the airport to the city centre.

  • Expect a trip time of around 20 minutes on public transport.

  • Looking for a convenient hotel near BRU? If you're boarding an early flight from Brussels International Airport to Dublin Airport, these stays will put you moments from your check-in counter:

Arriving at Dublin Airport (DUB)

Getting from Dublin Airport (DUB) to central Dublin

  • Dublin Airport is approximately 11 kilometres from central Dublin. Driving there takes about 25 minutes.

  • It typically takes 30 minutes if you're using public transport.

When to fly to Dublin Airport (DUB)

  • The quietest month for a flight from Brussels International Airport to Dublin Airport is March, while July is the most popular. Choose the ideal time to visit Dublin based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Before locking in your flight from Brussels International Airport to Dublin Airport, consider the type of weather you like. July is the warmest month in Dublin, with temperatures ranging from 10ºC to 19ºC.

  • January has average temperatures of between 2ºC and 9ºC. Look for cheap tickets from BRU to DUB sometime around then if you like cooler conditions.

Explore more of Ireland

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

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.