Which airports does Turkish Airlines flies between for Cologne-Istanbul?
For flights between Cologne and Istanbul, Turkish Airlines flies from the following airport routes: Koeln - Bonn (CGN) to Istanbul Airport (IST)
; Koeln - Bonn (CGN) to Istanbul Atatürk International Havalimani (ISL)
What do Turkish Airlines flights from Cologne to Istanbul cost?
One of Turkish Airlines cheapest prices for a Cologne to Istanbul flight we have right now is £ 137.
On average though, flights with Turkish Airlines cost £ 139.29 for the route Cologne to Istanbul, though it depends a lot on the season and how far in advance you book your tickets.