Cheapest return flights from Cologne to Istanbul in September from $143

Best time to book flights for Cologne (CGN) to Istanbul (SAW) flights at AirHint

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

Return flights

08 Sep - 29 Sep Pegasus Airlines direct
09 Sep - 17 Sep Pegasus Airlines direct
22 Sep - 29 Sep Pegasus Airlines direct
14 Sep - 17 Sep Pegasus Airlines direct
22 Sep - 24 Sep Pegasus Airlines direct
12 Sep - 19 Sep Pegasus Airlines direct
13 Sep - 16 Sep Pegasus Airlines direct
06 Sep - 19 Sep Pegasus Airlines direct
04 Sep - 24 Sep AJet direct
15 Sep - 29 Sep AJet direct
26 Sep - 01 Oct Pegasus Airlines direct
28 Sep - 01 Oct Ryanair
14 Sep - 05 Oct AJet direct
12 Sep - 03 Oct Pegasus Airlines direct
07 Sep - 04 Oct Pegasus Airlines
25 Sep - 27 Oct AJet direct
26 Sep - 05 Oct AJet direct
26 Sep - 03 Oct Pegasus Airlines direct
25 Sep - 26 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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