Cheapest return flights from Istanbul to Cologne in May from $111

AirHint found the following cheapest return flights from Istanbul (IST) to Cologne (CGN) in May 2026 (see full year).

Return flights

06 May - 11 May Pegasus Airlines direct
07 May - 09 May Pegasus Airlines direct
05 May - 08 May AJet direct
15 May - 18 May Pegasus Airlines direct
07 May - 10 May Pegasus Airlines direct
13 May - 17 May Pegasus Airlines direct
15 May - 19 May Pegasus Airlines direct
05 May - 09 May Pegasus Airlines direct
01 May - 03 May Pegasus Airlines direct
13 May - 20 May Pegasus Airlines direct
27 May - 03 Jun Pegasus Airlines direct
25 May - 01 Jun AJet direct
23 May - 01 Jun AJet direct
17 May - 01 Jun AJet direct

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

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