AirHint found the following cheapest return flights from Kolkata (CCU) to Dublin (DUB) in October 2025 (see full year).
Return flights
| 27 Oct - 10 Nov | IndiGo | ||
| 28 Oct - 04 Nov | IndiGo | ||
| 26 Oct - 06 Nov | IndiGo | ||
| 31 Oct - 28 Nov | IndiGo |
Also check the deals for one-way flights from Kolkata to Dublin in October.
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