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

Return flights

15 Jul - 22 Jul	easyJet
30 Jul - 31 Jul	easyJet
11 Jul - 13 Jul	Aer Lingus
11 Jul - 18 Jul	Aer Lingus
08 Jul - 26 Jul	Aer Lingus
17 Jul - 24 Jul	easyJet
16 Jul - 18 Jul	easyJet
07 Jul - 10 Jul	easyJet
05 Jul - 10 Jul	Aer Lingus
31 Jul - 04 Aug	Aer Lingus
11 Jul - 14 Jul	easyJet
25 Jul - 01 Aug	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 157€

Return flights