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

Return flights

08 Dec - 15 Dec	Air France
12 Dec - 17 Dec	Air France
08 Dec - 17 Dec	Air France
03 Dec - 09 Dec	Air France
12 Dec - 15 Dec	Air France
05 Dec - 09 Dec	Air France
01 Dec - 08 Dec	Air France
24 Dec - 09 Jan	Air France
29 Dec - 09 Jan	Air France
01 Dec - 17 Dec	Air France
15 Dec - 24 Dec	Air France
31 Dec - 11 Jan	Air France
29 Dec - 11 Jan	Air France
01 Dec - 09 Dec	Air France
28 Dec - 07 Jan	Air France
30 Dec - 07 Jan	Air France
31 Dec - 07 Jan	Air France
29 Dec - 07 Jan	Air France
31 Dec - 06 Jan	Air France
22 Dec - 12 Jan	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 $198

Return flights