Istanbul - Kastamonu flights from TRY4,706*

Book flights from Istanbul to Kastamonu

Jul 2026
FromTRY5,705*
Last update 1 day ago
Flight Type Round Trip/Economy
Aug 2026
FromTRY6,355*
Last update 1 day ago
Flight Type Round Trip/Economy
Sep 2026
FromTRY4,706*
Last update 12 hrs ago
Flight Type Round Trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label TRY5.7K
cmp-daily-histogram-bars-legend-max-price-aria-label TRY7.1K
Displaying fares for July-2026
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    • RangeTRY5,705-TRY7,055

    *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 Istanbul - Kastamonu flights

    View current Istanbul – Kastamonu 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 Istanbul - Kastamonu flights
    From
    To
    Fare Type
    Dates
    Price
    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Wed, September 16 - Wed, September 23

    From

    TRY4,706

    Last update 12 hrs ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Sun, July 12 - Fri, July 17

    From

    TRY6,006

    Last update 11 hrs ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Wed, July 08 - Wed, July 15

    From

    TRY6,356

    Last update 8 hrs ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Fri, August 28 - Mon, August 31

    From

    TRY6,356

    Last update 8 hrs ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Fri, July 10 - Wed, July 15

    From

    TRY6,706

    Last update 10 hrs ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Sun, August 02 - Sun, August 16

    From

    TRY7,056

    Last update 1 hour ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Sun, August 02 - Wed, August 05

    From

    TRY7,056

    Last update 15 hrs ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Sun, July 05 - Wed, July 08

    From

    TRY6,356

    Last update 1 day ago

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