AirHint found the following cheapest one-way flights from Chicago (MDW) to Dublin (DUB) in January 2026 (see full year).
One-Way flights
| 19 Jan | Frontier Airlines | ||
| 15 Jan | Frontier Airlines | ||
| 04 Jan | Frontier Airlines | ||
| 08 Jan | Frontier Airlines | ||
| 05 Jan | Frontier Airlines | ||
| 10 Jan | Delta |
Also check the deals for return flights from Chicago to Dublin in January.
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