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

Return flights

18 Sep - 22 Sep	Eurowings
18 Sep - 25 Sep	Eurowings
12 Sep - 19 Sep	Vueling Airlines
04 Sep - 04 Oct	Vueling Airlines
04 Sep - 04 Oct	Eurowings	direct
03 Sep - 10 Sep	Eurowings	direct
03 Sep - 22 Oct	Eurowings	direct
10 Sep - 21 Sep	Nouvelair
14 Sep - 04 Oct	Nouvelair
14 Sep - 04 Oct	Eurowings	direct
09 Sep - 16 Sep	Vueling Airlines
07 Sep - 10 Sep	Eurowings	direct
11 Sep - 11 Oct	Eurowings	direct
13 Sep - 03 Oct	Turkish Airlines
08 Sep - 08 Oct	Nouvelair
02 Sep - 02 Oct	Lufthansa

Also check the deals for one-way flights from Tunis to Cologne 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.

Book a cheap hotel in Cologne

Cheap car rent in Cologne

Cheapest return flights from Tunis to Cologne in September from 201€

Return flights