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Cheap flight tickets from Istanbul to Kastamonu

Compare Istanbul to Kastamonu flight deals

Find the cheapest month or even day of the year to fly to Kastamonu

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Flight deals from Istanbul to Kastamonu Airport

Looking for a cheap last-minute deal or the best return flight from Istanbul to Kastamonu Airport? If you want to travel next month, return fares start from RM268. Find the lowest prices on one-way and return tickets right here.
Kastamonu.RM230 per passenger.Departing Fri, 6 Mar, returning Mon, 9 Mar.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Istanbul on Fri, 6 Mar, arriving in Kastamonu.Inbound direct flight with Turkish Airlines departs from Kastamonu on Mon, 9 Mar, arriving in Istanbul.Price includes taxes and charges.From RM230, select.
Kastamonu.RM268 per passenger.Departing Wed, 8 Apr, returning Sun, 12 Apr.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Istanbul on Wed, 8 Apr, arriving in Kastamonu.Inbound direct flight with Turkish Airlines departs from Kastamonu on Sun, 12 Apr, arriving in Istanbul.Price includes taxes and charges.From RM268, select.
Kastamonu.RM274 per passenger.Departing Tue, 5 May, returning Tue, 12 May.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Istanbul on Tue, 5 May, arriving in Kastamonu.Inbound direct flight with Turkish Airlines departs from Kastamonu on Tue, 12 May, arriving in Istanbul.Price includes taxes and charges.From RM274, select.
Kastamonu.RM308 per passenger.Departing Tue, 16 Jun, returning Tue, 23 Jun.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Istanbul on Tue, 16 Jun, arriving in Kastamonu.Inbound direct flight with Turkish Airlines departs from Kastamonu on Tue, 23 Jun, arriving in Istanbul.Price includes taxes and charges.From RM308, select.
Kastamonu.RM337 per passenger.Departing Sun, 8 Mar, returning Sun, 30 Aug.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Istanbul on Sun, 8 Mar, arriving in Kastamonu.Inbound direct flight with Turkish Airlines departs from Kastamonu on Sun, 30 Aug, arriving in Istanbul.Price includes taxes and charges.From RM337, select.
Kastamonu.RM432 per passenger.Departing Sun, 31 May, returning Thu, 4 Jun.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Istanbul on Sun, 31 May, arriving in Kastamonu.Inbound direct flight with Turkish Airlines departs from Kastamonu on Thu, 4 Jun, arriving in Istanbul.Price includes taxes and charges.From RM432, select.
Kastamonu.RM435 per passenger.Departing Sat, 4 Jul, returning Sat, 11 Jul.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Istanbul on Sat, 4 Jul, arriving in Kastamonu.Inbound direct flight with Turkish Airlines departs from Kastamonu on Sat, 11 Jul, arriving in Istanbul.Price includes taxes and charges.From RM435, select.
Kastamonu.RM506 per passenger.Departing Sat, 1 Aug, returning Sat, 8 Aug.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Istanbul on Sat, 1 Aug, arriving in Kastamonu.Inbound direct flight with Turkish Airlines departs from Kastamonu on Sat, 8 Aug, arriving in Istanbul.Price includes taxes and charges.From RM506, select.

Find the cheapest month to fly from Istanbul to Kastamonu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Istanbul to Kastamonu flights are currently cheapest in March.
Mar
from RM230
Apr
from RM268
May
from RM274
Jun
from RM308
Jul
from RM435
Aug
from RM506
Sep
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Oct
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Nov
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Dec
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Jan
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Feb
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Direct flights from Istanbul to Kastamonu

Istanbul to Kastamonu: Alternative routes

Compare routes from Istanbul to Kastamonu below. You may find an airport to fly into that's cheaper, faster, or easier than Kastamonu.

Kastamonu

9km from central Kastamonu
ClosestCheapest
from RM230
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Istanbul to Kastamonu: Flight information

The things to know before you go.
Cheapest flight foundRM230
Cheapest month to flyMarch
Average flight time1 hr, 18 mins
Most popular airlineTurkish Airlines
Average flights per week21

Finding cheap flights from Istanbul to Kastamonu: Frequently asked questions

The best price we found for a return flight from Istanbul to Kastamonu is RM230. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 18 minutes is the average flight time from Istanbul to Kastamonu.
Turkish Airlines flies direct from Istanbul to Kastamonu.
As of March 2026, there are 14 flights per week flying from Istanbul to Kastamonu.
The cheapest month to fly from Istanbul to Kastamonu is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Istanbul to Kastamonu Airport on Friday, 6 March 2026.
Yes – the average flight time is 1 hour and 18 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kastamonu but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kastamonu is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Kastamonu is Turkish Airlines .

Flying from Istanbul to Kastamonu Airport (KFS): What you need to know

  • Start planning your holiday by looking up the most convenient departure point for your flight from Istanbul to Kastamonu Airport (KFS). Explore the options for taking off from Istanbul Ataturk Airport (IST) or Sabiha Gokcen International Airport (SAW), two of the city's main airports.

  • The average duration of a direct Istanbul to Kastamonu Airport flight is 1 hour 20 minutes.

  • Kastamonu's timezone is UTC+3, which is the same as Istanbul. Kastamonu Airport is located in Kastamonu.

  • Istanbul Ataturk Airport (IST) to Kastamonu Airport (KFS) is the busiest route, with 6 direct services every week. You can travel from IST to KFS on Turkish Airlines's 8:30am flight.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to catch your flight from Istanbul to KFS.

  • If you're heading away during a bank holiday or other peak period, give yourself extra time. Arrive two hours before domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

Airports in Istanbul

Istanbul Ataturk Airport (IST)

  • You can hop on a direct flight from Istanbul to Kastamonu Airport (KFS) leaving from Istanbul Ataturk Airport (IST).

  • Book your direct flight from Istanbul to Kastamonu Airport with Turkish Airlines. This popular carrier operates services from IST.

  • Turkish Airlines is the airline with the highest passenger demand for flights from IST to KFS.

  • Located around 48 kilometres from central Istanbul, IST can be reached in about 50 minutes by car (depending on traffic). The journey by public transport is roughly 1 hour 45 minutes.

  • Have an early flight from Istanbul to Kastamonu Airport? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays near Istanbul Ataturk Airport:

Sabiha Gokcen International Airport (SAW)

  • SAW is about 48 kilometres from central Istanbul. It takes 55 minutes or so to get to the airport by car from the city centre. Public transport takes approximately 1 hour 30 minutes.

  • Start your holiday sooner with an extra night away from home. Before your Istanbul to KFS flight, kick back in one of these hotels near Sabiha Gokcen International Airport:

  • When it comes to flights staying on schedule, Sabiha Gokcen International Airport has an on-time arrival rate of 76.93%.

About Kastamonu Airport (KFS)

  • It's hard to beat the convenience of staying close to the terminal if you've touched down on a late flight from Istanbul to Kastamonu Airport. Amorium Hotel & Wooden Stone House and Serife Baci Ogretmenevi Doga Kultur Koyu are great options near KFS.

  • Venture beyond Kastamonu and discover destinations that fly under the radar with your own wheels. You can grab a Kastamonu Airport rental car from popular providers like OTOTUR or Nissa Car Hire.

  • Secure the lowest price by reserving your vehicle around one week before your Istanbul to Kastamonu Airport flight.

How to find the cheapest flights from Istanbul to Kastamonu Airport (KFS)

  • RM127 is the best price for a one-way ticket from Istanbul to Kastamonu Airport. A return flight starts from RM230. These prices may change depending on availability and demand.

  • Book 11 months before your departure date. Pricing trends show that this is the ideal window for finding cheap flights from Istanbul to KFS.

  • Organise your trip for April. That's the best month for landing the biggest deals on Istanbul to Kastamonu Airport tickets. If you're open to different travel dates, use the 'Whole month' tool to find the cheapest price across every month.

  • Be the first to know about deals for plane tickets from Istanbul to KFS by creating a Price Alert. We'll send you an email or notification through the app when prices go down.

  • Save on your flight from Istanbul to Kastamonu Airport by using the search filters. Select your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Istanbul to Kastamonu Airport (KFS)

  • Think about the kind of experience you want when deciding your trip dates. February is the quietest month to go to Kastamonu. August is when most people book flights from Istanbul to Kastamonu Airport (KFS), which may be perfect if you're after more excitement.

  • Book an Istanbul to KFS plane ticket departing in August if you want to explore the city during its warmest month. You can expect temperatures in Kastamonu to range from 11ºC (52ºF) to 31ºC (88ºF).

  • If you want to travel in cooler conditions, search for a cheap ticket from Istanbul to Kastamonu Airport in January when temperatures are between -8ºC (18ºF) and 7ºC (45ºF).

More about Kastamonu

  • After booking your flight from Istanbul to Kastamonu Airport, find a hotel that's got location and comfort covered. Make one of these options your base for exploring Kastamonu:

  • There are loads of terrific things to do in Kastamonu when you're in the mood to sightsee. Head straight for Kastamonu Museum followed by Kastamonu Şehir Parkı and Çifte Hamam.

Explore more of Türkiye (Turkey)

  • Kastamonu has loads to offer, but there are so many other corners of Türkiye (Turkey) just waiting to be explored. About 177 kilometres south-west of Kastamonu, a trip to Ankara will keep you on the go. Start with leading sights like The Roman Theatre, Kocatepe Mosque (Kocatepe Camii) and Museum of Anatolian Civilizations.

  • If you're eager to discover another well-known destination in Türkiye (Turkey), consider Samsun, roughly 209 kilometres east of Kastamonu. National Mosque, Mert Plajı & Aqua Park and Nazar Plajı are highlights.

Plan the rest of your trip from Istanbul to Kastamonu

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.