Cheapest return flights from Dublin to Brussels in September from $48

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

Return flights

04 Sep - 15 Sep Ryanair direct
08 Sep - 15 Sep Ryanair direct
12 Sep - 15 Sep Ryanair direct
04 Sep - 18 Sep Ryanair direct
04 Sep - 22 Sep Ryanair direct
01 Sep - 01 Sep Ryanair direct
09 Sep - 15 Sep Ryanair direct
08 Sep - 18 Sep Ryanair direct
08 Sep - 22 Sep Ryanair direct
04 Sep - 12 Sep Ryanair direct
30 Sep - 18 Oct Ryanair direct
28 Sep - 18 Oct Ryanair direct
25 Sep - 14 Oct Ryanair direct
25 Sep - 04 Oct Ryanair direct
20 Sep - 04 Oct Ryanair direct
25 Sep - 08 Oct Ryanair direct
20 Sep - 08 Oct Ryanair direct
18 Sep - 04 Oct Ryanair direct
23 Sep - 14 Oct Ryanair direct
23 Sep - 04 Oct Ryanair direct

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

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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