There are most likely no direct flights on the Kastamonu — Istanbul route
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Kastamonu to Istanbul. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Kastamonu to Istanbul, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Kastamonu to Istanbul
There are most likely no direct flights on the Kastamonu — Istanbul route
Kastamonu — Istanbul
10/02/2026
Departure
Direct flight
TK2739
starting at $62
Kastamonu — Istanbul
10/04/2026
Departure
Direct flight
TK2739
starting at $312
Kastamonu — Istanbul
10/11/2026
Departure
Direct flight
TK2739
starting at $277
Kastamonu — Istanbul
10/16/2026
Departure
Direct flight
TK2739
starting at $55
starting at $44
On the Kastamonu — Istanbul route, flights are operated only by Turkish Airlines. This simplifies the choice for passengers, as all tickets come from a single trusted carrier. Our service lets you instantly check fares for upcoming dates and find the most advantageous option. The minimum ticket price starts at $44, making this trip affordable for a wide range of travelers. To save even more, we recommend booking early and keeping an eye on promotions — Turkish Airlines regularly offers special deals.
The cheapest flight ticket from Kastamonu to Istanbul according to data for the last 48 hours costs $44
Often the best time to buy tickets from Kastamonu to Istanbul is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Kastamonu to Istanbul can be found flying in these months: October.
The fastest flights from Kastamonu to Istanbul start from 1 hour 20 minutes in the air.
The following airlines operate direct flights on the route Kastamonu — Istanbul: Turkish Airlines
The cheapest one-way flight from Kastamonu to Istanbul departs on 10/11/2026, is operated by Turkish Airlines and costs $44
There is no information about the cheapest roundtrip flight from Kastamonu to Istanbul
Fastest flight from Kastamonu to Istanbul takes 1h 20m
There are direct flights on this route 2 days a week: Su and Fr
The distance between Kastamonu and Istanbul is 403km (250 miles). There are 5 direct flights from Kastamonu to Istanbul. Kastamonu and Istanbul are in the same time zone. Flights from Kastamonu begin at 10:25 AM. The latest flight from Kastamonu departs at 9:25 PM
