Cheapest Koln to Istanbul round trip flight dates in January
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Cheapest Koln to Istanbul round trip flight dates in January

1 - Choose the outbound flight
  • January
    2,997 ₺
  • MON
  • TUE
  • WED
  • THU
  • FRI
  • SAT
  • SUN
  • 1
    3,097
  • 2
    3,097
  • 3
    3,147
  • 4
    3,097
  • 5
    2,997
  • 6
    2,997
  • 7
    2,997
  • 8
    3,097
  • 9
    3,097
  • 10
    3,097
  • 11
    3,097
  • 12
    3,097
  • 13
    2,997
  • 14
    3,097
  • 15
    3,097
  • 16
    2,997
  • 17
    3,097
  • 18
    3,097
  • 19
    3,139
  • 20
    3,139
  • 21
    3,139
  • 22
    3,097
  • 23
    3,139
  • 24
    3,047
  • 25
    3,139
  • 26
    3,139
  • 27
    3,139
  • 28
    3,097
  • 29
    3,177
  • 30
    3,586
  • 31
    3,240
Cheap prices
2 - Choose the return flight
  • January
    2,968 ₺
  • February
    2,968 ₺
  • March
    2,968 ₺
  • MON
  • TUE
  • WED
  • THU
  • FRI
  • SAT
  • SUN
  • 1
    7,643
  • 2
    13,830
  • 3
    12,776
  • 4
    7,993
  • 5
    10,640
  • 6
    12,433
  • 7
    9,004
  • 8
    9,453
  • 9
    9,750
  • 10
    9,338
  • 11
    5,403
  • 12
    3,515
  • 13
    2,968
  • 14
    2,968
  • 15
    2,968
  • 16
    2,968
  • 17
    2,968
  • 18
    2,968
  • 19
    2,968
  • 20
    2,968
  • 21
    2,968
  • 22
    2,968
  • 23
    3,117
  • 24
    2,968
  • 25
    2,968
  • 26
    2,968
  • 27
    2,968
  • 28
    2,968
  • 29
    2,968
  • 30
    2,968
  • 31
    2,968
Cheap prices

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🏨 Accommodation

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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. This view focuses on January.

Active filters: Month: January.

Price summary

The price calendar covers 1 month for round trip flights from Koln to Istanbul.

Lowest months: January 2027 (TRY 2,997).

Monthly lowest prices: January 2027: TRY 2,997.

In January 2027, the lowest listed price starts from TRY 2,997.

In January 2027, the lowest date starts from TRY 2,997.

Daily prices are listed for 31 dates.

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