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

Return flights

02 Dec - 09 Dec	easyJet
01 Dec - 08 Dec	easyJet
08 Dec - 12 Dec	easyJet
31 Dec - 30 Jan	Transavia France	direct
01 Dec - 08 Dec	Transavia France	direct
08 Dec - 12 Dec	Transavia France	direct
23 Dec - 28 Dec	KLM
28 Dec - 04 Jan	KLM
19 Dec - 31 Dec	KLM
29 Dec - 05 Jan	easyJet
29 Dec - 04 Jan	KLM
19 Dec - 29 Dec	KLM
29 Dec - 05 Jan	Transavia France	direct
23 Dec - 30 Dec	easyJet
24 Dec - 29 Dec	easyJet
29 Dec - 02 Jan	Transavia France
26 Dec - 03 Jan	KLM
29 Dec - 03 Jan	Transavia France
29 Dec - 02 Jan	Transavia France	direct
22 Dec - 01 Jan	easyJet

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 161€

Return flights