- Istanbul - Sabiha Gökcen (SAW) Cologne (CGN)
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1–4 non-stop flights per dayat least 2h 25minfrom $184 - Istanbul (IST) Cologne (CGN)
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2–3 non-stop flights per dayat least 2h 35minfrom $161 - Izmir (ADB) Cologne (CGN)
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up to 3 non-stop flights per dayat least 2h 30minfrom $156