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

Return flights

17 Sep - 27 Sep	Air France
07 Sep - 06 Oct	Air France
18 Sep - 28 Sep	Transavia France
08 Sep - 17 Sep	Air France
08 Sep - 06 Oct	Air France
11 Sep - 21 Sep	Air France
01 Sep - 30 Sep	Air France
05 Sep - 05 Oct	Transavia France
04 Sep - 14 Sep	Air France
05 Sep - 09 Sep	Ryanair
29 Sep - 04 Oct	Air France

Also check the deals for one-way flights from Oslo to Tunis 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 Oslo to Tunis in September from $235

Return flights