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

Return flights

05 Aug - 26 Aug	Aer Lingus	direct
19 Aug - 26 Aug	Aer Lingus	direct
21 Aug - 26 Aug	Aer Lingus	direct
16 Aug - 26 Aug	Aer Lingus	direct
10 Aug - 14 Aug	Aer Lingus	direct
09 Aug - 14 Aug	Aer Lingus	direct
07 Aug - 14 Aug	Aer Lingus	direct
10 Aug - 16 Aug	Aer Lingus	direct
03 Aug - 10 Aug	Aer Lingus	direct
18 Aug - 25 Aug	Air Canada
23 Aug - 05 Sep	jetBlue
19 Aug - 02 Sep	Aer Lingus
25 Aug - 01 Sep	United
27 Aug - 03 Sep	United
31 Aug - 06 Sep	jetBlue
29 Aug - 05 Sep	United
31 Aug - 07 Sep	United

Also check the deals for one-way flights from Nashville 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 Nashville to Dublin in August from $363

Return flights