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

Return flights

29 Oct - 05 Nov	Delta
13 Oct - 08 Nov	Air Canada
28 Oct - 04 Nov	United
29 Oct - 16 Nov	Delta
25 Oct - 01 Nov	United
07 Oct - 14 Oct	jetBlue
13 Oct - 22 Oct	Icelandair
31 Oct - 07 Nov	United
24 Oct - 31 Oct	Air Canada
17 Oct - 21 Oct	jetBlue
11 Oct - 14 Oct	jetBlue
01 Oct - 06 Oct	jetBlue
02 Oct - 07 Oct	jetBlue
21 Oct - 28 Oct	Spirit Airlines
15 Oct - 22 Oct	United
22 Oct - 29 Oct	United

Also check the deals for one-way flights from Nashville 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 Nashville to Dublin in October from $433

Return flights