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

Return flights

05 Dec - 08 Dec	easyJet
08 Dec - 12 Dec	easyJet
06 Dec - 12 Dec	easyJet
31 Dec - 30 Jan	Transavia France	direct
08 Dec - 12 Dec	Transavia France	direct
05 Dec - 08 Dec	Transavia France	direct
23 Dec - 26 Dec	KLM
31 Dec - 05 Jan	easyJet
23 Dec - 28 Dec	KLM
26 Dec - 29 Dec	KLM
28 Dec - 04 Jan	KLM
24 Dec - 27 Dec	KLM
19 Dec - 29 Dec	KLM
31 Dec - 05 Jan	Transavia France	direct
29 Dec - 03 Jan	Transavia France
22 Dec - 04 Jan	KLM
20 Dec - 04 Jan	KLM
26 Dec - 05 Jan	KLM
30 Dec - 02 Jan	KLM
29 Dec - 02 Jan	Transavia France

Also check the deals for one-way flights from Nantes to Istanbul 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 Istanbul in December from $188

Return flights