Cheapest Koln to Istanbul round trip flight dates
- November3,047 ₺
- December3,047 ₺
- January2,997 ₺
- February2,847 ₺
- March2,847 ₺
- April3,066 ₺
- May3,147 ₺
- June6,194 ₺
- July6,894 ₺
- MON
- TUE
- WED
- THU
- FRI
- SAT
- SUN
- 13,047
₺
- 23,139
₺
- 33,047
₺
- 43,047
₺
- 53,047
₺
- 63,047
₺
- 73,047
₺
- 83,047
₺
- 93,047
₺
- 103,047
₺
- 113,047
₺
- 123,147
₺
- 133,047
₺
- 143,047
₺
- 153,047
₺
- 163,047
₺
- 173,047
₺
- 183,297
₺
- 195,395
₺
- 205,595
₺
- 214,446
₺
- 224,446
₺
- 233,946
₺
- 243,047
₺
- 253,047
₺
- 263,447
₺
- 273,177
₺
- 283,197
₺
- 294,396
₺
- 303,497
₺
- November3,167 ₺
- December2,968 ₺
- January2,968 ₺
- February2,968 ₺
- March2,968 ₺
- April3,082 ₺
- May6,844 ₺
- June6,094 ₺
- July6,994 ₺
- MON
- TUE
- WED
- THU
- FRI
- SAT
- SUN
- 116,132
₺
- 213,772
₺
- 38,642
₺
- 410,877
₺
- 59,540
₺
- 69,540
₺
- 78,093
₺
- 88,392
₺
- 97,193
₺
- 106,194
₺
- 118,046
₺
- 127,549
₺
- 138,046
₺
- 148,046
₺
- 159,540
₺
- 166,801
₺
- 175,059
₺
- 184,411
₺
- 194,411
₺
- 203,914
₺
- 214,216
₺
- 224,933
₺
- 233,861
₺
- 243,515
₺
- 254,095
₺
- 264,113
₺
- 273,167
₺
- 284,598
₺
- 294,930
₺
- 303,515
₺
Events
🏨 Accommodation
Compare places to stay and find the right option for your trip.
See our recommended hotels ↗🚗 Car rental
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See our recommended car rental companies ↗İstanbul travel guide
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.
Price summary
The price calendar covers 9 months for round trip flights from Koln to Istanbul.
Lowest months: February 2027 (TRY 2,847), March 2027 (TRY 2,847) and January 2027 (TRY 2,997).
Monthly lowest prices: November 2026: TRY 3,047, December 2026: TRY 3,047, January 2027: TRY 2,997, February 2027: TRY 2,847, March 2027: TRY 2,847, April 2027: TRY 3,066, May 2027: TRY 3,147, June 2027: TRY 6,194.
In November 2026, the lowest date starts from TRY 3,047.
Daily prices are listed for 30 dates.