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

Return flights

27 Sep - 09 Oct	Eurowings	direct
27 Sep - 02 Oct	Eurowings	direct
27 Sep - 05 Oct	Eurowings	direct
27 Sep - 16 Oct	Eurowings	direct
17 Sep - 02 Oct	Eurowings	direct
24 Sep - 08 Oct	Ryanair
24 Sep - 12 Oct	Ryanair
27 Sep - 12 Oct	Eurowings	direct
29 Sep - 15 Oct	Ryanair
27 Sep - 08 Oct	Eurowings
17 Sep - 25 Sep	Eurowings	direct
17 Sep - 28 Sep	Eurowings	direct
24 Sep - 28 Sep	Eurowings	direct
17 Sep - 20 Sep	Eurowings
24 Sep - 27 Sep	Ryanair
24 Sep - 30 Sep	Ryanair
17 Sep - 21 Sep	Eurowings	direct
25 Sep - 28 Sep	Ryanair
22 Sep - 28 Sep	Ryanair
17 Sep - 23 Sep	Eurowings

Also check the deals for one-way flights from Cologne 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 Cologne to Tunis in September from 144€

Return flights