Direct (nonstop) flights from Istanbul to Kastamonu
1 airline flys nonstop from Istanbul Airport (IST) to Kastamonu Airport (KFS). It's 263 miles (423 km), about 1h 15m in the air. Operated by Turkish Airlines.
Turkish Airlines
Route data last updated: May 31, 2026
Airlines with non-stop flights
TK
Turkish Airlines
Looking for the return flight?
KFS → IST: Flights from Kastamonu to IstanbulOther direct flights from Istanbul
Frequently Asked Questions
How long is the direct flight from Istanbul to Kastamonu?
A nonstop flight from Istanbul (IST) to Kastamonu (KFS) takes approximately 1 hours and 15 minutes. The distance is 263 miles (423 km).
Which airlines fly nonstop from Istanbul to Kastamonu?
Just Turkish Airlines.
Is there a nonstop flight from Istanbul to Kastamonu?
Yes. 1 airline: Turkish Airlines.
How far is Istanbul from Kastamonu?
The flight distance from Istanbul to Kastamonu is 263 miles (423 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Paris.
What type of aircraft flies from Istanbul to Kastamonu?
At 1h 15m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Istanbul to Kastamonu?
Roughly 49 kg CO2 per passenger one-way. That's about the same as driving 245 km.
Is the return flight from Kastamonu to Istanbul also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Istanbul to Kastamonu?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at Istanbul Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.