Cheapest return flights from Istanbul to Cologne in August from $173

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

Return flights

29 Aug - 30 Aug Pegasus Airlines direct
29 Aug - 31 Aug Pegasus Airlines direct
31 Aug - 06 Sep Pegasus Airlines direct
29 Aug - 01 Sep Pegasus Airlines direct
29 Aug - 03 Sep Pegasus Airlines direct
29 Aug - 05 Sep Pegasus Airlines direct
31 Aug - 05 Sep AJet direct
31 Aug - 05 Sep Pegasus Airlines
31 Aug - 04 Sep Pegasus Airlines
29 Aug - 12 Sep Pegasus Airlines direct
29 Aug - 07 Sep Pegasus Airlines direct
31 Aug - 07 Sep AJet
27 Aug - 29 Aug Pegasus Airlines
28 Aug - 31 Aug AJet direct
30 Aug - 30 Aug AJet direct
30 Aug - 31 Aug AJet direct
27 Aug - 30 Aug Pegasus Airlines
27 Aug - 31 Aug Pegasus Airlines
26 Aug - 30 Aug Pegasus Airlines direct
29 Aug - 29 Aug Pegasus Airlines direct

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

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.

Book a cheap hotel in Cologne

Cheap car rent in Cologne

Feel free to contact us with any feedback or request another flight research.