Cheapest Koln to Istanbul round trip flight dates on AJet
AJet · Koln ↔ Istanbul · Round trip
- 🧳 Basic: Checked baggage not included.
- 🍽️ Complimentary meals not included.
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The best Istanbul plan leaves time for a few neighbourhoods instead of trying to finish the whole city. Add ferry journeys and everyday-life pauses between historical visits.
🏛️ Avoid stacking too many sights into one day on the historic peninsula.
⛴️ Treat a ferry ride as a chance to see the city from the water, not just as transport.
☕ Give Kadıköy and Moda their own time for streets, cafés and the waterfront.
💡 Crowds and journeys across the city can be tiring, so group each day around nearby neighbourhoods.
About Koln → Istanbul round trip flights
Use this page to find the cheapest flight dates for round trip flights from Koln to Istanbul.
Active filters: Airline: AJet.
Price summary
The price calendar covers 1 month for round trip flights from Koln to Istanbul.
Lowest months: January 2027 (TRY 5,953).
Monthly lowest prices: January 2027: TRY 5,953.
In January 2027, the lowest date starts from TRY 5,953.
Daily prices are listed for 15 dates.