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

Return flights

20 Sep - 13 Oct	Air France
19 Sep - 13 Oct	Air France
20 Sep - 12 Oct	Air France
19 Sep - 12 Oct	Air France
17 Sep - 11 Oct	Ryanair
19 Sep - 11 Oct	Ryanair
20 Sep - 11 Oct	Ryanair
13 Sep - 20 Sep	Air France
16 Sep - 11 Oct	Ryanair
13 Sep - 11 Oct	Air France
21 Sep - 11 Oct	Air France

Also check the deals for one-way flights from Riga 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 Riga to Tunis in September from 215€

Return flights