Cheapest return flights from Cologne to Istanbul in September from 99€

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

Return flights

11 Sep - 17 Sep Pegasus Airlines direct
08 Sep - 17 Sep Pegasus Airlines direct
10 Sep - 17 Sep Pegasus Airlines direct
10 Sep - 23 Sep Pegasus Airlines direct
03 Sep - 05 Sep Pegasus Airlines direct
09 Sep - 18 Sep Pegasus Airlines direct
16 Sep - 30 Sep Pegasus Airlines direct
17 Sep - 01 Oct Pegasus Airlines direct
14 Sep - 18 Sep AJet direct
11 Sep - 23 Sep AJet direct
17 Sep - 23 Sep AJet direct
26 Sep - 09 Oct AJet direct
23 Sep - 01 Oct Pegasus Airlines direct
26 Sep - 01 Oct AJet direct
26 Sep - 13 Oct AJet direct
25 Sep - 01 Oct AJet direct
22 Sep - 30 Oct AJet direct
22 Sep - 01 Oct AJet direct
03 Sep - 01 Oct AJet direct
24 Sep - 01 Oct AJet direct

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