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

Return flights

25 Sep - 02 Oct	AJet
23 Sep - 30 Sep	Pegasus Airlines
10 Sep - 17 Sep	AJet
28 Sep - 05 Oct	Pegasus Airlines
12 Sep - 05 Oct	AJet
05 Sep - 12 Oct	Pegasus Airlines
05 Sep - 14 Sep	Pegasus Airlines
06 Sep - 12 Oct	AJet
20 Sep - 30 Sep	AJet
25 Sep - 29 Sep	AJet
06 Sep - 14 Sep	AJet
17 Sep - 17 Oct	AJet
17 Sep - 21 Sep	AJet
18 Sep - 25 Sep	Ryanair
05 Sep - 12 Sep	Pegasus Airlines
20 Sep - 27 Sep	AJet

Also check the deals for one-way flights from Cologne to Baku 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 Baku in September from 259€

Return flights