How to get from Istanbul to Kastamonu
- 404 km as the crow flies
- Fastest: flight, 1h 15m
- 23 bus departures a day with FlixBus
Compare the train, bus and flight options. Then check them for your own date.
At a glance
Fastest
1h 15m
direct
Flight
€44
Cheapest
6h 15m
direct
Bus
€23
Calculated by Routavio, refreshed 11 Oct 2026
Start with the whole journey.
We compared the ways to travel from Istanbul to Kastamonu. The most useful option is a flight; the flight itself takes 1h 15m, not counting the trip to and from the airports. The two cities are about 404 km apart in a straight line. The price and operators below come from a real route search.
This fare comes from a search on October 11, 2026 and has not been refreshed since. Run a live search for today's price.
404 km
Which way suits you?
| Transport | Observed fare | Duration and scope | Detail |
|---|---|---|---|
| Flight | €44Checked Oct 11 | 1h 15mFlight only | See Flight details |
| Train | €54Reading date not recorded | 8h 59m1 transfer | See Train details |
| Bus | €23Reading date not recorded | 6h 15mdirect | See Bus details |
- Flight€44Checked Oct 111h 15m · Flight onlySee Flight details
- Train€54Reading date not recorded8h 59m · 1 transferSee Train details
- Bus€23Reading date not recorded6h 15m · directSee Bus details
These figures were observed on different days. This table is not a live price ranking for your date.
Istanbul to Kastamonu: cheapest or fastest?
Pick a tab: the legs, the timing and the difference from the others all change with it.
- 1Istanbul Airport → Kastamonu Airportflight
Turkish Airlines·1h 15m
The best balance of price and time we found on this route.
Which date should you go?
The amounts on each day are fares seen earlier, not live offers. A day with no figure is one we have not priced, not one without a service.
Departures from Istanbul to Kastamonu
FlixBus runs 23 scheduled departures a day, the first at 00:20 and the last at 23:59.
| Operator | Departures a day | First | Last |
|---|---|---|---|
| FlixBusbus | 23 | 00:20 | 23:59 |
| Metro Turizmbus | 24 | — | — |
All departuresFlixBus
- 00:20
- 00:45
- 01:00
- 01:20
- 01:45
- 02:45
- 08:20
- 09:45
- 11:00
- 11:20
- 12:45
- 17:20
- 18:45
- 20:00
- 20:20
- 21:20
- 21:45
- 22:20
- 22:45
- 23:00
- 23:20
- 23:45
- 23:59
Departure times come from operator timetables and are local time at the origin. Where a row shows no times, the frequency is the operator's own and the timetable is not published to us. Times can change on holidays and at short notice; confirm with the operator before you travel.
Departure and arrival
Operators seen on these journeys
Turkish AirlinesIstanbul Airport-Kastamonu AirportSee live options and dates →
Metro Turizmİstanbul Dudullu-KastamonuBook →
TCDD Taşımacılık A.Ş.Istanbul-AnkaraBook →
FlixBusAnkara-KastamonuBook →On this route you travel with Turkish Airlines, Metro Turizm, TCDD Taşımacılık A.Ş., FlixBus; Routavio does not add a booking fee.
How the trip from Istanbul to Kastamonu works
Start with a Turkish Airlines flight from Istanbul to Kastamonu, about 1h 15m. In total it's roughly €44 over 1h 15m, direct, no transfers.
Istanbul to Kastamonu: common questions
How long does it take to get from Istanbul to Kastamonu?
The most useful option is a flight; the flight itself takes about 1h 15m. Getting to and from the airports is on top of that.
When is the first bus from Istanbul to Kastamonu?
The first bus with FlixBus leaves at 00:20 and the last at 23:59, from İstanbul Alibeyköy, according to the published timetable.
How many bus departures a day are there from Istanbul to Kastamonu?
23 a day with FlixBus, between 00:20 and 23:59.
Which station does the bus from Istanbul to Kastamonu leave from?
İstanbul Alibeyköy with FlixBus, according to the published timetable.
How far is Kastamonu from Istanbul?
About 404 km in a straight line. The real route on the ground or in the air is longer.
How much does Istanbul to Kastamonu cost?
Our latest search put the route we recommend at €44. Other options on this page can cost less, and the exact fare depends on your travel date.
Are there direct flights from Istanbul to Kastamonu?
Yes. The best option we found flies without a transfer and takes about 1h 15m.
How long is the flight from Istanbul to Kastamonu?
About 1h 15m, and that is the flight itself. Getting to and from the airports is on top of it.
What are the airport codes for Istanbul and Kastamonu?
Istanbul is IST and Kastamonu is KFS, so this route is usually written IST to KFS.
Which operators run Istanbul to Kastamonu?
On this route you travel with Turkish Airlines, Metro Turizm, TCDD Taşımacılık A.Ş., FlixBus.
Can you get from Istanbul to Kastamonu without flying?
Yes. A ground route by bus takes about 6h 15m.
What is the cheapest way to get from Istanbul to Kastamonu?
Usually a flexible date, or leaving from a nearby airport. A live search puts every option for your dates side by side.
Can I book directly?
Yes. Routavio sends you straight to the operator or an independent third-party provider. We never add a booking fee. The final fare and availability are confirmed by that provider.
Other ways people search Istanbul to Kastamonu
- how to get from Istanbul to Kastamonu
- Istanbul to Kastamonu travel time
- Istanbul to Kastamonu distance
- cheapest way from Istanbul to Kastamonu
- Istanbul to Kastamonu flight time
- flights from Istanbul to Kastamonu
- Istanbul Kastamonu direct flights
- IST to KFS
- Istanbul to Kastamonu by bus
Sources and method
Routes are calculated by Routavio's multimodal engine from operator timetables and flight data. Durations come from timetables, and prices are the most recent observation, not a guarantee.
Operators: Turkish Airlines
Route calculated: 11 Oct 2026
Prices checked: 11 Oct 2026