Cheapest one-way flights from Dublin to Brussels in December from 50€
AirHint found the following cheapest one-way flights from Dublin (DUB) to Brussels (BRU) in December 2025 (see full year).
One-Way flights
| 15 Dec | Ryanair | direct | |
| 07 Dec | Ryanair | direct | |
| 13 Dec | Ryanair | direct | |
| 12 Dec | Ryanair | direct | |
| 05 Dec | Ryanair | direct | |
| 22 Dec | Ryanair | direct | |
| 24 Dec | Ryanair | direct | |
| 30 Dec | Aer Lingus | direct |
Also check the deals for return flights from Dublin to Brussels in December.
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.
