Kastamonu - Istanbul flights from TRY4,603*

Book flights from Kastamonu to Istanbul

Apr 2026
FromTRY4,203*
Last update 1 day ago
Flight Type Round Trip/Economy
May 2026
FromTRY4,603*
Last update 7 hrs ago
Flight Type Round Trip/Economy
Jun 2026
No result for this month.
TRY4.2K
Displaying fares for April-2026
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    • RangeTRY4,203-TRY5,003

    *Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional fees and charges for optional products and services may apply.

    Discover Kastamonu - Istanbul flights

    View current Kastamonu – Istanbul flight ticket fares to find the flight that’s best for you. Whether you’re flying for business or for leisure, you’ll enjoy a safe, comfortable trip with the exceptional service standards offered by Turkish Airlines.

    TRY
    Discover Kastamonu - Istanbul flights
    From
    To
    Fare Type
    Dates
    Price
    Kastamonu (KFS)Istanbul (IST)Round-trip
    /
    Economy    		Sat, May 23 - Sun, May 31

    From

    TRY7,003

    Last update 1 day ago

    Kastamonu (KFS)Istanbul (IST)Round-trip
    /
    Economy    		Sun, April 19 - Sun, April 26

    From

    TRY4,603

    Last update 2 hrs ago

    Kastamonu (KFS)Istanbul (IST)Round-trip
    /
    Economy    		Wed, May 06 - Sun, May 10

    From

    TRY4,603

    Last update 7 hrs ago

    Kastamonu (KFS)Istanbul (IST)Round-trip
    /
    Economy    		Wed, May 27 - Tue, June 02

    From

    TRY6,203

    Last update 4 hrs ago

    Kastamonu (KFS)Istanbul (IST)Round-trip
    /
    Economy    		Tue, May 26 - Sun, May 31

    From

    TRY7,003

    Last update 2 hrs ago

    *Fares displayed have been collected within the last 48 hours and may no longer be available at time of booking.