AirHint found the following cheapest return flights from Tunis (TUN) to Istanbul (IST) in April 2026 (see full year).

Return flights

01 Apr - 07 Apr	Air France
06 Apr - 12 Apr	Tunisair	direct
11 Apr - 21 Apr	Tunisair	direct
03 Apr - 14 Apr	Tunisair	direct
20 Apr - 25 Apr	Tunisair	direct
24 Apr - 30 Apr	Tunisair	direct
04 Apr - 11 Apr	Tunisair	direct
12 Apr - 21 Apr	Tunisair	direct
09 Apr - 18 Apr	Tunisair	direct
12 Apr - 22 Apr	Tunisair	direct

Also check the deals for one-way flights from Tunis to Istanbul in April.

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 April from $285

Return flights