AirHint found the following cheapest one-way flights from Cologne (CGN) to Dublin (DUB) in September 2026 (see full year).
One-Way flights
| 27 Sep | Ryanair | direct | |
| 28 Sep | Ryanair | direct | |
| 25 Sep | Ryanair | direct | |
| 04 Sep | Ryanair | direct |
Also check the deals for return flights from Cologne to Dublin in September.
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