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

Return flights

27 Oct - 05 Nov	Aer Lingus	direct
29 Oct - 07 Nov	Aer Lingus	direct
22 Oct - 15 Nov	Aer Lingus	direct
22 Oct - 28 Oct	Delta
30 Oct - 03 Nov	United
22 Oct - 27 Oct	Aer Lingus	direct
20 Oct - 27 Oct	Aer Lingus	direct
25 Oct - 31 Oct	Aer Lingus	direct
24 Oct - 31 Oct	Aer Lingus	direct
21 Oct - 27 Oct	Spirit Airlines
17 Oct - 24 Oct	United
16 Oct - 21 Oct	United
28 Oct - 04 Nov	Aer Lingus
22 Oct - 29 Oct	Aer Lingus	direct
17 Oct - 20 Oct	Spirit Airlines
30 Oct - 06 Nov	Aer Lingus
26 Oct - 02 Nov	Aer Lingus

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Cheapest return flights from Indianapolis to Dublin in October from 364€

Return flights