Cheapest return flights from Brussels to Dublin in December from $109

Best time to book flights for Brussels (BRU) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest return flights from Brussels (BRU) to Dublin (DUB) in December 2025 (see full year).

Return flights

12 Dec - 17 Dec Ryanair direct
12 Dec - 15 Dec Ryanair direct
06 Dec - 07 Dec Ryanair direct
06 Dec - 08 Dec Ryanair direct
06 Dec - 09 Dec Ryanair direct
06 Dec - 11 Dec Ryanair direct
06 Dec - 17 Dec Ryanair direct
06 Dec - 15 Dec Ryanair direct
12 Dec - 14 Dec Ryanair direct
12 Dec - 13 Dec Ryanair direct
12 Dec - 01 Jan Ryanair direct
28 Dec - 11 Jan Ryanair direct
17 Dec - 01 Jan Ryanair direct
17 Dec - 04 Jan Ryanair direct
14 Dec - 01 Jan Ryanair direct
14 Dec - 04 Jan Ryanair direct
28 Dec - 01 Jan Ryanair direct
28 Dec - 04 Jan Ryanair direct
20 Dec - 01 Jan Ryanair direct
20 Dec - 04 Jan Ryanair direct

Also check the deals for one-way flights from Brussels to Dublin in December.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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