AirHint found the following cheapest one-way flights from Belfast (BHD) to Dublin (DUB) in January 2026 (see full year).
One-Way flights
| 23 Jan | easyJet | ||
| 17 Jan | easyJet | ||
| 19 Jan | easyJet | ||
| 09 Jan | easyJet | ||
| 06 Jan | Aer Lingus | ||
| 01 Jan | Aer Lingus | ||
| 22 Jan | British Airways |
Also check the deals for return 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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