Cheapest one-way flights from Dublin to Brussels in December from 35€

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

One-Way flights

04 Dec Aer Lingus direct
12 Dec Ryanair direct
08 Dec Ryanair direct
15 Dec Ryanair direct
19 Dec Ryanair direct
18 Dec Ryanair direct
13 Dec Ryanair direct
11 Dec Ryanair direct
05 Dec Ryanair direct
14 Dec Ryanair direct

Also check the deals for return flights from Dublin to Brussels 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.

Book a cheap hotel in Brussels

Cheap car rent in Brussels

Feel free to contact us with any feedback or request another flight research.