Kastamonu - Istanbul flights from TRY3,386*

Book flights from Kastamonu to Istanbul

Apr 2026
FromTRY3,386*
Last update 17 hrs ago
Flight Type Round Trip/Economy
May 2026
FromTRY3,386*
Last update 1 day ago
Flight Type Round Trip/Economy
Jun 2026
FromTRY4,730*
Last update 22 hrs ago
Flight Type Round Trip/Economy
TRY3.4K
Displaying fares for April-2026
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    • RangeTRY3,386-TRY3,837

    *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.

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    Discover Kastamonu - Istanbul flights
    From
    To
    Fare Type
    Dates
    Price
    Kastamonu (KFS)Istanbul (IST)Round-trip
    /
    Economy    		Thu, May 07 - Sun, May 10

    From

    TRY3,386

    Last update 1 day ago

    Kastamonu (KFS)Istanbul (IST)Round-trip
    /
    Economy    		Wed, April 15 - Sat, April 18

    From

    TRY3,612

    Last update 1 day ago

    Kastamonu (KFS)Istanbul (IST)Round-trip
    /
    Economy    		Wed, April 15 - Sun, April 19

    From

    TRY3,612

    Last update 1 day ago

    Kastamonu (KFS)Istanbul (IST)Round-trip
    /
    Economy    		Tue, May 05 - Mon, May 18

    From

    TRY3,612

    Last update 1 day ago

    Kastamonu (KFS)Istanbul (IST)Round-trip
    /
    Economy    		Fri, April 03 - Mon, April 06

    From

    TRY3,837

    Last update 1 day ago

    Kastamonu (KFS)Istanbul (IST)Round-trip
    /
    Economy    		Fri, May 15 - Wed, May 20

    From

    TRY3,837

    Last update 1 day ago

    Kastamonu (KFS)Istanbul (IST)Round-trip
    /
    Economy    		Fri, May 15 - Tue, May 26

    From

    TRY5,411

    Last update 1 day ago

    Kastamonu (KFS)Istanbul (IST)Round-trip
    /
    Economy    		Sat, April 11 - Sat, April 18

    From

    TRY3,386

    Last update 17 hrs ago

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