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

Return flights

05 Dec - 13 Dec	Lufthansa
01 Dec - 08 Dec	Tunisair	direct
05 Dec - 13 Dec	Tunisair	direct
30 Dec - 17 Jan	Tunisair	direct
30 Dec - 02 Jan	Tunisair	direct
14 Dec - 17 Dec	Nouvelair	direct
16 Dec - 19 Dec	Nouvelair	direct

Also check the deals for one-way flights from Istanbul to Tunis 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 Istanbul to Tunis in December from 197€

Return flights