On this page, you can find and buy flights from Kastamonu to Istanbul. The distance between the cities is 405 km, and scheduled flights are maintained at a frequency of about 1 flight per week.
Flights on this route are operated by Turkish Airlines. Ticket prices are dynamic, so use the low price calendar to find great deals and check information on how to get to the airport in Kastamonu and from Istanbul airport.
The table shows direct flights Kastamonu → Istanbul on the selected date. The flight takes approximately 1 h 20 min. Regular flights are operated by Turkish Airlines. Departures from Kastamonu airports, arrivals at Istanbul Airport and Sabiha Gokcen International Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for Kastamonu — Istanbul by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $252 in ,, and the most expensive are around $286 in u. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Kastamonu → Istanbul, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | $54 | low | May | $68 | high | Sep | $68 | medium |
| Feb | $51 | low | Jun | $75 | high | Oct | $62 | medium |
| Mar | $55 | low | Jul | $77 | high | Nov | $55 | low |
| Apr | $60 | medium | Aug | $78 | high | Dec | $60 | medium |
Some values are estimated based on seasonality.
The warmest weather in Istanbul occurs in August, when temperatures reach +28.8°C. The coolest and wettest month is January, with frequent precipitation and an average daytime high of around +9.6°C.
The lowest flight cost was recorded in July and starts $252. Peak ticket prices occur in December, when fares rise $272.
The optimal time for a trip is considered to be October, offering a comfortable +20.2°C with moderate prices $268. It is best to avoid periods of prolonged rain at the beginning of the year for budget savings and ease of travel.
Turkish Airlines is the primary carrier on this route, operating direct flights. The flight frequency is about 1 flight per week, ensuring a stable connection between the cities. Below is a detailed schedule and information for each available flight to help you choose the most convenient departure and arrival times.
Flights Kastamonu — Istanbul depart from Kastamonu and arrive at Istanbul Airport and Sabiha Gokcen International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The approximate travel time for a direct flight is about 45–55 minutes, considering the distance between the cities is 405 km.
Scheduled flights are operated by Turkey's national carrier — Turkish Airlines (TK).
Yes, direct non-stop flights are available on this route, operating approximately once a week.
For Russian citizens, a visa-free regime is in place, allowing you to stay in the country for tourism purposes for up to 60 days without applying for special documents.
Flights from Kastamonu most often arrive at Istanbul Airport (IST), which is the city's main international hub.
Where travelers fly most — pick a route and check prices
