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

Return flights

01 Apr - 16 Apr	Frontier Airlines
01 Apr - 10 Apr	United
25 Apr - 29 Apr	Spirit Airlines
17 Apr - 24 Apr	Aer Lingus	direct
06 Apr - 13 Apr	Aer Lingus	direct
24 Apr - 01 May	Aer Lingus	direct
27 Apr - 04 May	Aer Lingus	direct
30 Apr - 07 May	Aer Lingus	direct
03 Apr - 16 Apr	Delta
15 Apr - 22 Apr	Aer Lingus
09 Apr - 16 Apr	Aer Lingus
25 Apr - 29 Apr	Aer Lingus	direct
30 Apr - 04 May	Frontier Airlines
18 Apr - 25 Apr	Aer Lingus
30 Apr - 04 May	Aer Lingus	direct

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

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 April from 489€

Return flights