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

Return flights

03 Dec - 06 Dec	Lufthansa
01 Dec - 06 Dec	Delta
05 Dec - 12 Dec	Aer Lingus	direct
03 Dec - 06 Dec	Aer Lingus	direct
01 Dec - 05 Dec	KLM
02 Dec - 05 Dec	KLM
26 Dec - 01 Jan	Lufthansa
30 Dec - 05 Jan	Delta
26 Dec - 03 Jan	Delta
27 Dec - 02 Jan	Delta
31 Dec - 05 Jan	Delta
29 Dec - 03 Jan	Delta
31 Dec - 03 Jan	Delta
30 Dec - 04 Jan	Lufthansa
27 Dec - 31 Dec	Delta
29 Dec - 02 Jan	Delta
01 Dec - 05 Dec	Aer Lingus	direct
26 Dec - 03 Jan	Aer Lingus	direct

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

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 Dublin to Nashville in December from $579

Return flights