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

Return flights

06 Dec - 07 Dec	easyJet	direct
23 Dec - 27 Dec	easyJet	direct
31 Dec - 16 Jan	Vueling Airlines
20 Dec - 16 Jan	easyJet	direct
20 Dec - 27 Dec	easyJet	direct
31 Dec - 02 Jan	easyJet	direct
08 Dec - 28 Dec	Volotea
31 Dec - 04 Jan	easyJet	direct
27 Dec - 03 Jan	easyJet	direct
29 Dec - 02 Jan	easyJet	direct
30 Dec - 02 Jan	easyJet	direct
29 Dec - 16 Jan	Volotea	direct
07 Dec - 28 Dec	Vueling Airlines
30 Dec - 16 Jan	Vueling Airlines
20 Dec - 28 Dec	Vueling Airlines
23 Dec - 04 Jan	Vueling Airlines

Also check the deals for one-way flights from Nantes to Porto 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 Porto in December from $77

Return flights