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

Return flights

16 Dec - 30 Jan	Air France
15 Dec - 25 Jan	Air France
16 Dec - 23 Jan	Air France
16 Dec - 25 Jan	Air France
16 Dec - 31 Jan	Air France
15 Dec - 27 Jan	Air France
16 Dec - 29 Jan	Air France
17 Dec - 19 Jan	Air France
31 Dec - 30 Jan	Air France
17 Dec - 23 Jan	Air France
15 Dec - 23 Dec	Air France
16 Dec - 23 Dec	Air France
13 Dec - 18 Dec	Tunisair	direct
13 Dec - 16 Dec	Nouvelair	direct
13 Dec - 15 Dec	Nouvelair	direct
14 Dec - 23 Dec	Air France
14 Dec - 17 Dec	Air France
15 Dec - 17 Dec	Air France
17 Dec - 23 Dec	Air France
16 Dec - 26 Dec	Air France

Also check the deals for one-way flights from Tunis to Istanbul 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 Tunis to Istanbul in December from $228

Return flights