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

Return flights

03 Sep - 18 Sep	Eurowings	direct
10 Sep - 18 Sep	Eurowings	direct
03 Sep - 25 Sep	Eurowings	direct
02 Sep - 07 Sep	Eurowings	direct
02 Sep - 11 Sep	Eurowings
13 Sep - 25 Sep	Eurowings	direct
10 Sep - 25 Sep	Eurowings	direct
03 Sep - 11 Sep	Eurowings
03 Sep - 21 Sep	Eurowings	direct
20 Sep - 25 Sep	Eurowings	direct
20 Sep - 09 Oct	Eurowings	direct
24 Sep - 09 Oct	Eurowings	direct
20 Sep - 12 Oct	Eurowings
24 Sep - 10 Oct	Eurowings
17 Sep - 02 Oct	Eurowings	direct
20 Sep - 06 Oct	Eurowings
20 Sep - 12 Oct	Eurowings	direct
28 Sep - 05 Oct	Ryanair

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 127€

Return flights