Cheapest return flights from Belfast to Dublin in January from $134

AirHint found the following cheapest return flights from Belfast (BHD) to Dublin (DUB) in January 2026 (see full year).

Return flights

14 Jan - 21 Jan easyJet
25 Jan - 26 Jan easyJet
20 Jan - 24 Jan Aer Lingus
24 Jan - 25 Jan easyJet
25 Jan - 14 Feb easyJet
13 Jan - 15 Jan easyJet
22 Jan - 26 Jan Aer Lingus
23 Jan - 25 Jan Aer Lingus
30 Jan - 02 Feb Aer Lingus
16 Jan - 19 Jan Aer Lingus

Also check the deals for one-way flights from Belfast to Dublin in January.

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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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