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

Return flights

06 Oct - 15 Oct	Transavia France	direct
08 Oct - 22 Oct	Transavia France	direct
08 Oct - 15 Oct	Transavia France
03 Oct - 08 Oct	Transavia France	direct
06 Oct - 13 Oct	Ryanair
08 Oct - 13 Oct	Transavia France	direct
15 Oct - 05 Nov	Transavia France
15 Oct - 27 Oct	Transavia France
06 Oct - 13 Oct	Transavia France	direct
17 Oct - 20 Oct	Ryanair
13 Oct - 22 Oct	Ryanair
10 Oct - 02 Nov	Transavia France

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Nantes to Istanbul in October from 145€

Return flights