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

Return flights

08 May - 16 May	Tunisair	direct
23 May - 31 May	Tunisair	direct
25 May - 06 Jun	Tunisair	direct
01 May - 10 May	Tunisair	direct
05 May - 12 May	Tunisair	direct
29 May - 04 Jun	Tunisair	direct
13 May - 19 May	Air France
13 May - 19 May	Tunisair	direct
30 May - 06 Jun	Tunisair	direct
09 May - 16 May	Air France
01 May - 08 May	Turkish Airlines	direct
08 May - 15 May	Air France
18 May - 24 May	Air France

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

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 May from $282

Return flights