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

Return flights

31 Aug - 02 Sep	Spirit Airlines
25 Aug - 03 Sep	Spirit Airlines
28 Aug - 04 Sep	Spirit Airlines
31 Aug - 20 Sep	Spirit Airlines
27 Aug - 02 Sep	Spirit Airlines
30 Aug - 05 Sep	Spirit Airlines
22 Aug - 13 Sep	Spirit Airlines
22 Aug - 02 Sep	Spirit Airlines
27 Aug - 20 Sep	Spirit Airlines
27 Aug - 01 Sep	Spirit Airlines
20 Aug - 27 Aug	Spirit Airlines
22 Aug - 29 Aug	Spirit Airlines
23 Aug - 30 Aug	Spirit Airlines
22 Aug - 29 Aug	Aer Lingus	direct
23 Aug - 30 Aug	Aer Lingus	direct
20 Aug - 23 Aug	KLM
20 Aug - 22 Aug	KLM
20 Aug - 23 Aug	Aer Lingus	direct
20 Aug - 22 Aug	Aer Lingus	direct

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 $585

Return flights