Istanbul - Kastamonu flights from TRY5,406*

Book flights from Istanbul to Kastamonu

May 2026
FromTRY4,706*
Last update 1 day ago
Flight Type Round Trip/Economy
Jun 2026
FromTRY5,406*
Last update 3 hrs ago
Flight Type Round Trip/Economy
Jul 2026
FromTRY6,706*
Last update 18 hrs ago
Flight Type Round Trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label TRY4.7K
cmp-daily-histogram-bars-legend-max-price-aria-label TRY14.0K
Displaying fares for May-2026
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    • RangeTRY4,706-TRY13,986

    *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    		Mon, May 25 - Sun, May 31

    From

    TRY9,497

    Last update 1 day ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Mon, May 18 - Sat, May 30

    From

    TRY9,696

    Last update 1 day ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Mon, June 01 - Mon, June 08

    From

    TRY5,406

    Last update 3 hrs ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Mon, June 15 - Sun, June 21

    From

    TRY5,406

    Last update 3 hrs ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Wed, May 20 - Sun, May 24

    From

    TRY5,706

    Last update 3 hrs ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Mon, July 06 - Mon, July 13

    From

    TRY6,706

    Last update 18 hrs ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Wed, May 27 - Sun, May 31

    From

    TRY8,346

    Last update 19 hrs ago

    Istanbul (IST)Kastamonu (KFS)Round-trip
    /
    Economy    		Mon, May 25 - Fri, May 29

    From

    TRY10,096

    Last update 21 hrs ago

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