Cheapest return IND–DUB flights, September

AirHint found the following cheapest return flights from Indianapolis (IND) to Dublin (DUB) in September 2026 (see full year).

Return flights

07 Sep - 18 Sep Aer Lingus direct
07 Sep - 16 Sep Aer Lingus direct
10 Sep - 17 Sep Aer Lingus direct
09 Sep - 23 Sep Spirit Airlines
05 Sep - 12 Sep Aer Lingus direct
30 Sep - 07 Oct Aer Lingus direct
25 Sep - 02 Oct Aer Lingus direct
15 Sep - 22 Sep Aer Lingus
20 Sep - 27 Sep Aer Lingus

Also check the deals for one-way flights from Indianapolis to Dublin in September.

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