AirHint found the following cheapest return flights from Indianapolis (IND) to Dublin (DUB) in October 2025 (see full year).
Return flights
| 29 Oct - 22 Nov | Aer Lingus | direct | |
| 25 Oct - 31 Oct | Spirit Airlines | ||
| 22 Oct - 25 Oct | Spirit Airlines | ||
| 21 Oct - 24 Oct | Spirit Airlines | ||
| 22 Oct - 25 Oct | Aer Lingus | direct | |
| 25 Oct - 31 Oct | Aer Lingus | direct |
Also check the deals for one-way flights from Indianapolis to Dublin in October.
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