Which airports does Aer Lingus flies between for Dublin-Brussels?
What do Aer Lingus flights from Dublin to Brussels cost?
One of Aer Lingus cheapest prices for a Dublin to Brussels flight we have right now is £ 29.
On average though, flights with Aer Lingus cost £ 170.97 for the route Dublin to Brussels, though it depends a lot on the season and how far in advance you book your tickets.