AirHint found the following cheapest return flights from Nantes (NTE) to Istanbul (IST) in September 2026 (see full year).

Return flights

21 Sep - 26 Sep	easyJet
01 Sep - 14 Sep	Transavia France
21 Sep - 27 Sep	Transavia France
21 Sep - 28 Sep	Transavia France
01 Sep - 14 Sep	Transavia France	direct
19 Sep - 26 Sep	easyJet
11 Sep - 18 Sep	easyJet
11 Sep - 25 Sep	Ryanair
20 Sep - 26 Sep	KLM
21 Sep - 28 Sep	Transavia France	direct
21 Sep - 05 Oct	Vueling Airlines
21 Sep - 12 Oct	Vueling Airlines
21 Sep - 11 Oct	Vueling Airlines

Also check the deals for one-way flights from Nantes to Istanbul in September.

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 September from 162€

Return flights