AirHint found the following cheapest return flights from Indianapolis (IND) to Dublin (DUB) in August 2025 (see full year).

Return flights

11 Aug - 20 Aug	Aer Lingus	direct
15 Aug - 22 Aug	Aer Lingus	direct
16 Aug - 22 Aug	Aer Lingus	direct
15 Aug - 20 Aug	Aer Lingus	direct
11 Aug - 23 Aug	Aer Lingus	direct
16 Aug - 23 Aug	Aer Lingus	direct
11 Aug - 21 Aug	Air Canada
02 Aug - 08 Aug	Aer Lingus	direct
11 Aug - 18 Aug	Aer Lingus	direct
06 Aug - 16 Aug	Aer Lingus	direct
25 Aug - 01 Sep	Aer Lingus	direct
23 Aug - 01 Sep	Aer Lingus	direct
27 Aug - 03 Sep	Air Canada
29 Aug - 05 Sep	Aer Lingus	direct
29 Aug - 01 Sep	Aer Lingus	direct
31 Aug - 07 Sep	United

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Indianapolis to Dublin in August from 308€

Return flights