AirHint found the following cheapest return flights from Belfast (BHD) to Dublin (DUB) in July 2025 (see full year).

Return flights

30 Jul - 13 Aug	easyJet
19 Jul - 21 Jul	Aer Lingus
14 Jul - 15 Jul	easyJet
14 Jul - 21 Jul	easyJet
17 Jul - 21 Jul	easyJet
01 Jul - 02 Aug	Aer Lingus
27 Jul - 03 Aug	easyJet
04 Jul - 06 Jul	easyJet
31 Jul - 04 Aug	easyJet
15 Jul - 18 Jul	Aer Lingus
06 Jul - 10 Jul	Aer Lingus
13 Jul - 20 Jul	Aer Lingus
15 Jul - 22 Jul	Aer Lingus
14 Jul - 18 Jul	Aer Lingus

Also check the deals for one-way flights from Belfast to Dublin 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 Belfast to Dublin in July from $156

Return flights