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

Return flights

25 Oct - 01 Nov	Aer Lingus	direct
25 Oct - 31 Oct	Aer Lingus	direct
24 Oct - 31 Oct	Aer Lingus	direct
20 Oct - 27 Oct	Aer Lingus	direct
13 Oct - 20 Oct	Aer Lingus	direct
27 Oct - 02 Nov	Aer Lingus
30 Oct - 06 Nov	United
24 Oct - 27 Oct	Aer Lingus	direct
15 Oct - 22 Oct	Aer Lingus
07 Oct - 16 Oct	Air Canada
23 Oct - 30 Oct	United
10 Oct - 13 Oct	Air Canada
10 Oct - 12 Oct	Air Canada

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

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 October from 368€

Return flights