AirHint found the following cheapest return flights from Nantes (NTE) to Dublin (DUB) in December 2025 (see full year).

Return flights

12 Dec - 14 Dec	Ryanair	direct
29 Dec - 05 Jan	KLM
30 Dec - 06 Jan	KLM
22 Dec - 05 Jan	Ryanair	direct
22 Dec - 06 Jan	Ryanair
30 Dec - 02 Jan	KLM
29 Dec - 05 Jan	Ryanair	direct
29 Dec - 06 Jan	Ryanair
22 Dec - 29 Dec	KLM
26 Dec - 05 Jan	Ryanair	direct
26 Dec - 06 Jan	Ryanair
22 Dec - 02 Jan	Ryanair	direct
22 Dec - 23 Dec	Ryanair
22 Dec - 29 Dec	Ryanair	direct
26 Dec - 29 Dec	Ryanair
26 Dec - 29 Dec	Ryanair	direct

Also check the deals for one-way flights from Nantes to Dublin 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 Nantes to Dublin in December from $154

Return flights