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

Return flights

13 Aug - 21 Aug	Air Canada
12 Aug - 21 Aug	United
09 Aug - 26 Aug	KLM
23 Aug - 28 Aug	jetBlue
14 Aug - 21 Aug	United
14 Aug - 22 Aug	Finnair
03 Aug - 12 Aug	Air Canada
03 Aug - 12 Aug	Aer Lingus	direct
05 Aug - 14 Aug	United
19 Aug - 02 Sep	Frontier Airlines
23 Aug - 28 Aug	Aer Lingus	direct
23 Aug - 05 Sep	United
31 Aug - 13 Sep	Air Canada
28 Aug - 06 Sep	Frontier Airlines
26 Aug - 01 Sep	Air France
28 Aug - 04 Sep	United
30 Aug - 06 Sep	United
31 Aug - 14 Sep	Aer Lingus
30 Aug - 14 Sep	Aer Lingus

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 409€

Return flights