Cheap flights from Dublin to Brussels, Belgium (DUB - BRU)

Flying from Dublin to Brussels can be expensive. Our search helps you compare cheap flights, airfare deals, and flight tickets across airlines and agencies so you can book at the best price.

We scan trusted travel agencies and airline booking systems for the route Dublin - Brussels (DUB - BRU). We do not sell tickets or add fees - you choose where to buy.

Airfares vary by date, time, and airport. Use filters to find the best option by departure/arrival time, number of stops, airline or alliance, and booking channel.

If your dates are flexible, check the low-fare calendar to find the cheapest days. Booking round-trip in one order often reduces fees, and prices usually rise as departure approaches.

We also recommend you to look through the prices for return tickets from Brussels to Dublin.

Airfares found by our users in the past 24 hours

The cheapest flight from Dublin to Brussels is 5 424 on Ryanair, departing on 02/21/2026 - 08:45 and returning on 02/23/2026 - 11:40.
The price for these dates could change. Use search to get the best price.

Average round-trip airfares from Dublin to Brussels by months

MonthRound-Trip
February 202621.02 - 23.02from 5 424
March 202614.03 - 17.03from 6 725
April 2026find now
May 2026find now
June 2026find now
July 202601.07 - 03.07from 9 934
August 2026find now
September 2026find now
October 2026find now
November 2026find now
December 2026find now
January 2027find now

Prices shown are based on searches from the last few days. Ticket prices can change and depend on availability at the time of booking.

Airlines are flying from Dublin to Brussels

Aer LingusRyanair

Popular flights from Dublin

Frequently asked questions about flights from Dublin to Brussels

How long does the flight from Dublin to Brussels take?

Flight duration from Dublin to Brussels varies by route, airline, and number of stops. Direct flights are faster; connecting flights may take longer. Use our search to compare options and see exact durations for your dates.

Are there direct flights from Dublin to Brussels?

Availability of direct flights from Dublin to Brussels depends on the route and season. Use our search and filter by "Direct" or "Non-stop" to see only direct options. We compare offers from many airlines and agencies.

Which airlines fly from Dublin to Brussels?

Several airlines may operate flights from Dublin to Brussels. On this page you can see airlines that serve this route. Our search compares prices across airlines and agencies so you can choose the best offer. We do not sell tickets; you book directly with the airline or agency.

What is the cheapest month to fly from Dublin to Brussels?

Prices from Dublin to Brussels vary by month and demand. On this page you can see average round-trip prices by month. Use the low-fare calendar and monthly table to find the cheapest dates. Booking in advance and avoiding peak seasons often helps get the best price.

Find Flights to Brussels