AirHint found the following cheapest return flights from Tunis (TUN) to Muscat (MCT) in September 2025 (see full year).

Return flights

27 Sep - 04 Oct	Tunisair
25 Sep - 01 Oct	Tunisair
30 Sep - 07 Oct	Turkish Airlines
23 Sep - 30 Sep	Turkish Airlines
29 Sep - 12 Oct	Turkish Airlines
27 Sep - 01 Oct	Transavia France
29 Sep - 07 Oct	Turkish Airlines
23 Sep - 02 Oct	Turkish Airlines
25 Sep - 03 Oct	Turkish Airlines
25 Sep - 02 Oct	Turkish Airlines
28 Sep - 09 Oct	Turkish Airlines
26 Sep - 30 Sep	Turkish Airlines
20 Sep - 27 Sep	Nouvelair
19 Sep - 26 Sep	Tunisair
21 Sep - 25 Sep	Nouvelair
29 Sep - 29 Sep	Lufthansa

Also check the deals for one-way flights from Tunis to Muscat in September.

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 Muscat in September from 394€

Return flights