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

Return flights

26 Jan - 03 Feb	Lufthansa
12 Jan - 23 Jan	Lufthansa
28 Jan - 11 Feb	Lufthansa
22 Jan - 29 Jan	Lufthansa
25 Jan - 29 Jan	Spirit Airlines
24 Jan - 28 Jan	Spirit Airlines
25 Jan - 30 Jan	Spirit Airlines
25 Jan - 28 Jan	Spirit Airlines
21 Jan - 28 Jan	Aer Lingus
28 Jan - 04 Feb	Aer Lingus
23 Jan - 30 Jan	Aer Lingus
25 Jan - 01 Feb	Aer Lingus
11 Jan - 18 Jan	Aer Lingus
19 Jan - 26 Jan	Aer Lingus
31 Jan - 07 Feb	Aer Lingus

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 375€

Return flights