Cheapest one-way flights from Istanbul to Cologne in September from $92

AirHint found the following cheapest one-way flights from Istanbul (IST) to Cologne (CGN) in September 2025 (see full year).

One-Way flights

24 Sep AJet direct
23 Sep AJet direct
30 Sep Air Serbia
02 Sep Air Serbia
17 Sep AJet direct
22 Sep AJet direct
18 Sep AJet direct
27 Sep AJet direct
16 Sep AJet direct
29 Sep AJet direct

Also check the deals for return flights from Istanbul to Cologne in September.

Skyscanner

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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