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

Return flights

05 Dec - 12 Dec	Lufthansa
06 Dec - 13 Dec	Lufthansa
06 Dec - 12 Dec	Lufthansa
03 Dec - 11 Dec	Air France
06 Dec - 11 Dec	Air France
04 Dec - 14 Dec	Air France
06 Dec - 13 Dec	Turkish Airlines	direct
06 Dec - 12 Dec	Turkish Airlines	direct
16 Dec - 25 Dec	Air France
23 Dec - 30 Dec	Air France
24 Dec - 10 Jan	Tunisair	direct
24 Dec - 11 Jan	Tunisair	direct
25 Dec - 11 Jan	Air France
25 Dec - 03 Jan	Nouvelair	direct
25 Dec - 11 Jan	Nouvelair	direct
30 Dec - 05 Jan	Tunisair	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 $230

Return flights