AirHint found the following cheapest return flights from Nashville (BNA) to Dublin (DUB) in January 2026 (see full year).

Return flights

06 Jan - 19 Feb	American Airlines
04 Jan - 20 Feb	United
05 Jan - 19 Feb	American Airlines
04 Jan - 19 Feb	United
04 Jan - 17 Feb	United
05 Jan - 20 Feb	American Airlines
06 Jan - 18 Feb	American Airlines
03 Jan - 19 Feb	KLM
26 Jan - 21 Feb	United
03 Jan - 17 Feb	Air France
13 Jan - 20 Jan	Aer Lingus
07 Jan - 14 Jan	Aer Lingus
16 Jan - 23 Jan	Aer Lingus
19 Jan - 26 Jan	Aer Lingus
22 Jan - 29 Jan	Aer Lingus
10 Jan - 17 Jan	Aer Lingus
04 Jan - 11 Jan	Aer Lingus
02 Jan - 09 Jan	jetBlue

Also check the deals for one-way flights from Nashville to Dublin in January.

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 January from 496€

Return flights