AirHint found the following cheapest return flights from Dublin (DUB) to Brussels (BRU) in July 2026 (see full year).

Return flights

21 Jul - 23 Jul	Ryanair	direct
20 Jul - 24 Jul	Aer Lingus	direct
21 Jul - 21 Jul	Ryanair	direct
23 Jul - 26 Jul	Aer Lingus	direct
15 Jul - 27 Jul	Ryanair	direct
15 Jul - 20 Jul	Ryanair
15 Jul - 20 Jul	Ryanair	direct
17 Jul - 19 Jul	Aer Lingus	direct
16 Jul - 20 Jul	Aer Lingus	direct

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

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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Cheapest return flights from Dublin to Brussels in July from 109€

Return flights