Pick your Istanbul – Kastamonu flight today and pay for it over 3 to 24 months. Suso is a travel-planning platform: in a flight package the ticket is issued by a travel agency, a booking site or the airline, and the payment plan is set up as consumer credit by partner finance institutions. Your credit-card limit is never used or blocked, and no deposit is required. The search box above is already set to Istanbul → Kastamonu; pick your dates and see live flights.
Looking for a good flight from Istanbul to Kastamonu?
Suso turns the Istanbul – Kastamonu trip into a flight package: the ticket is issued by a travel agency, a booking site or the airline, and you spread the payment over a term you choose between 3 and 24 months as consumer credit from partner finance institutions. It completes in the basket in one click, and your card limit is never blocked.
See Istanbul – Kastamonu flight prices →When to visit Kastamonu
Summer brings green highlands and cool air, while winter is prime ski season on Mount Ilgaz.
Things to do in Kastamonu
Kastamonu Castle
Overlooking the city from a hilltop, this historic castle with its walls and views is a symbol of Kastamonu.
Historic Kastamonu Houses and Nasrullah Square
A lively city square framed by timber mansions, the Nasrullah Mosque and the historic bazaar.
Mount Ilgaz National Park
A national park visited year-round, a ski resort in winter and a place for hiking and cool forests in summer.
Ismail Bey Complex
A historic complex from the Candaroglu period with a mosque, medrese and han buildings.
Küre Mountains National Park and Valla Canyon
One of Türkiye's most striking natural areas, with deep canyons, waterfalls and pristine forests.
Mahmut Bey Mosque in Kasaba Village
A historic mosque famed for its nail-free timber construction and colourful decorative woodwork.
Airlines on the Istanbul – Kastamonu route
Türk Hava Yolları flies Istanbul – Kastamonu direct. Suso pulls live flights through Google Flights; pick the best option and spread the cost over monthly payments.
About Kastamonu
Kastamonu is a popular route for Turkey (Turkey). For more travel guidance, when to go and things to do, see our Kastamonu destination page.
Istanbul – Kastamonu FAQ
Can I buy the Istanbul - Kastamonu flight on monthly payments?
Yes. You buy the Istanbul - Kastamonu flight on Suso as a flight package: a term between 3 and 24 months, without using your card limit.
How much is the Istanbul - Kastamonu flight?
The price varies by month, date and airline. The table on this page shows each month's floor price from the last scan; use the search box to see the live price for your own dates.
Is a deposit required?
No. No deposit is required; you pay the amount monthly over the term you choose.
Book Istanbul – Kastamonu and pay monthly
Fly now, pay later. Over up to 24 months. The application completes in the basket in one click, and no card limit is needed.
Search Istanbul – Kastamonu flights now →