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

Return flights

31 Oct - 06 Nov	Transavia France
31 Oct - 07 Nov	Transavia France
01 Oct - 15 Oct	Ryanair
01 Oct - 08 Oct	Transavia France
01 Oct - 07 Oct	Transavia France
01 Oct - 20 Oct	Transavia France
09 Oct - 14 Oct	Ryanair
08 Oct - 15 Oct	Ryanair
31 Oct - 03 Nov	Transavia France
01 Oct - 04 Oct	Ryanair
03 Oct - 08 Oct	Transavia France
07 Oct - 15 Oct	easyJet
15 Oct - 22 Oct	easyJet
29 Oct - 05 Nov	easyJet
27 Oct - 02 Nov	Ryanair
30 Oct - 03 Nov	easyJet
27 Oct - 03 Nov	easyJet
28 Oct - 02 Nov	easyJet
29 Oct - 05 Nov	Transavia France	direct
29 Oct - 02 Nov	easyJet

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

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 October from 147€

Return flights