AirHint found the following cheapest return flights from Columbus (CMH) to Dublin (DUB) in January 2026 (see full year).
Return flights
| 07 Jan - 18 Jan | Lufthansa | ||
| 15 Jan - 25 Jan | United | ||
| 15 Jan - 07 Feb | Air France | ||
| 01 Jan - 21 Jan | Lufthansa | ||
| 06 Jan - 16 Jan | Lufthansa |
Also check the deals for one-way flights from Columbus to Dublin in January.
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