Cheapest return flights from Istanbul to Cologne in September from 65€

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

Return flights

25 Sep - 28 Sep Pegasus Airlines direct
25 Sep - 26 Sep Pegasus Airlines direct
25 Sep - 27 Sep Pegasus Airlines direct
25 Sep - 29 Sep AJet direct
24 Sep - 26 Sep Pegasus Airlines direct
22 Sep - 29 Sep AJet direct
24 Sep - 27 Sep Pegasus Airlines direct
25 Sep - 06 Oct Pegasus Airlines direct
24 Sep - 29 Sep Pegasus Airlines direct
23 Sep - 26 Sep Pegasus Airlines direct
26 Sep - 29 Sep Pegasus Airlines direct
24 Sep - 07 Oct AJet direct
26 Sep - 07 Oct AJet direct
25 Sep - 01 Oct Pegasus Airlines direct
24 Sep - 08 Oct Pegasus Airlines direct
29 Sep - 04 Oct AJet direct
30 Sep - 06 Oct AJet direct
30 Sep - 04 Oct AJet direct
27 Sep - 04 Oct Pegasus Airlines direct
24 Sep - 02 Oct Pegasus Airlines direct

Also check the deals for one-way flights from Istanbul to Cologne in September.

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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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