Cheapest return flights from Brussels to Dublin in December from $68

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

02 Dec - 03 Dec Ryanair direct
02 Dec - 02 Dec Ryanair direct
03 Dec - 04 Dec Ryanair direct
02 Dec - 04 Dec Ryanair direct
01 Dec - 03 Dec Ryanair direct
01 Dec - 02 Dec Ryanair direct
01 Dec - 01 Dec Ryanair direct
03 Dec - 05 Dec Ryanair direct
02 Dec - 05 Dec Ryanair direct
09 Dec - 30 Dec Ryanair direct
28 Dec - 01 Jan Ryanair direct
28 Dec - 02 Jan Ryanair direct
28 Dec - 04 Jan Ryanair direct
26 Dec - 01 Jan Ryanair direct
26 Dec - 04 Jan Ryanair direct
23 Dec - 01 Jan Ryanair direct
23 Dec - 02 Jan Ryanair direct
23 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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