How to get from Istanbul to Kastamonu
Compare the train, bus and flight options. Then check them for your own date.
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 20m, 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.
The lowest we recorded in the last 14 days was €25, on Sat, Sep 5.
This fare comes from a search on September 6, 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 | €41Checked Sep 6 | 1h 20mFlight only | See Flight details |
| Bus | €25Older observation | 10h 11m1 transfer | See Bus details |
- Flight€41Checked Sep 61h 20m · Flight onlySee Flight details
- Bus€25Older observation10h 11m · 1 transferSee 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?
All from the same recent search. Pick a tab: the legs, the timing and the difference from the others all change with it.
- 1Istanbul Airport → Kastamonu Airportflight
Turkish Airlines·1h 20m
The best balance of price and time we found on this route.
The observed fares belong to earlier dates.
Search my dateWhich 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.
All transport observations
Flight calendar
Flight prices by day, Istanbul to Kastamonu
The lowest fare we saw for each day over the next three months. Tap a day to search it live.
October 2026
€29Departures from Istanbul to Kastamonu
FlixBus runs 30 scheduled departures a day, the first at 00:20 and the last at 23:59.
| Operator | Departures a day | First | Last |
|---|---|---|---|
| FlixBusbus | 30 | 00:20 | 23:59 |
| Kamil Koçbus | 13 | 00:20 | 23:20 |
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 →
Kamil KoçIstanbul-AraçBook →Karabük DoğuşAraç-KastamonuBook →On this route you travel with Turkish Airlines, Kamil Koç, Karabük Doğuş; Routavio does not add a booking fee.
How the trip from Istanbul to Kastamonu works
Start with a TK flight from Istanbul to Kastamonu, about 1h 20m. In total it's roughly €41 over 1h 20m, 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 20m. Getting to and from the airports is on top of that.
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 €41. 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 20m.
How long is the flight from Istanbul to Kastamonu?
About 1h 20m, 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, Kamil Koç, Karabük Doğuş.
Can you get from Istanbul to Kastamonu without flying?
Yes. A ground route by bus takes about 10h 11m.
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