Flights from Kastamonu to Istanbul
KFSIST
Kastamonu Airport (Kastamonu, Türkiye) → İstanbul Airport (Istanbul, Türkiye)
Also known as Istanbul.
- Nonstop
- 1h 20m
- Distance
- 423 km
- Frequency
- 4×/week
- One-way from
- $38
- Airlines
- Turkish Airlines
Fares by month
One-way, per personLowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.
Weekly schedule
Monday
- TK273710:25→11:501h 25mTurkish Airlines
Wednesday
- TK273710:25→11:501h 25mTurkish Airlines
Friday
- TK273921:25→22:451h 20mTurkish Airlines
Sunday
- TK273921:25→22:451h 20mTurkish Airlines
Kastamonu to Istanbul — frequently asked
- How long is the flight from Kastamonu to Istanbul?
- KFS–IST is 1h 20m nonstop, covering 423 km (263 mi).
- Which airlines fly nonstop from Kastamonu to Istanbul?
- Turkish Airlines operates this route nonstop.
- How much is a flight from Kastamonu to Istanbul?
- One-way fares on KFS–IST recently started from $38. The lowest recent fare is for travel in December 2026. Fares change daily, so check current prices before booking.
- How often do flights run from Kastamonu to Istanbul?
- The route is served 4 days a week (4 scheduled departures).