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

Return flights

04 Oct - 11 Oct	AJet
04 Oct - 11 Oct	Turkish Airlines	direct
06 Oct - 13 Oct	Turkish Airlines	direct
11 Oct - 14 Oct	Nouvelair	direct
18 Oct - 19 Oct	Nouvelair	direct
01 Oct - 07 Oct	Pegasus Airlines
01 Oct - 05 Oct	Pegasus Airlines
05 Oct - 12 Oct	AJet
07 Oct - 17 Oct	Nouvelair	direct
01 Oct - 10 Oct	Nouvelair	direct
31 Oct - 08 Nov	Tunisair	direct
25 Oct - 04 Nov	Turkish Airlines	direct
31 Oct - 04 Nov	Tunisair	direct
29 Oct - 01 Nov	Lufthansa

Also check the deals for one-way flights from Istanbul to Tunis 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 Istanbul to Tunis in October from $253

Return flights