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

Return flights

08 Sep - 22 Sep	Air France
15 Sep - 13 Oct	Air France
10 Sep - 14 Oct	Air France
22 Sep - 06 Oct	Air France
28 Sep - 12 Oct	Air France
08 Sep - 15 Sep	Air France
14 Sep - 27 Sep	Air France
05 Sep - 28 Sep	Air France
06 Sep - 28 Sep	Air France
25 Sep - 13 Oct	Air France
01 Sep - 14 Sep	Air France
14 Sep - 30 Sep	Air France
17 Sep - 01 Oct	Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Ottawa 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 Ottawa to Tunis in September from 630€

Return flights