Cheap Flights from Klagenfurt to Istanbul

Compare Klagenfurt to Istanbul flight deals

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

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Flight deals from Klagenfurt to Istanbul

Looking for a cheap last-minute deal or the best return flight from Klagenfurt to Istanbul? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Klagenfurt to Istanbul

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Klagenfurt to Istanbul flights are currently cheapest in March.

Alternative Klagenfurt to Istanbul routes

Looking for the cheapest, fastest or easiest route from Klagenfurt to Istanbul? You could fly into the following airports instead.

Klagenfurt to Istanbul: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 311
Cheapest month to flyMarch

Finding cheap flights from Klagenfurt to Istanbul: Frequently asked questions

There are 2 airports in Istanbul: Istanbul Sabiha and Istanbul.
The best price we found for a return flight from Klagenfurt to Istanbul is ر.ق.‏ 601. 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.
Currently, there are no airlines that fly direct from Klagenfurt to Istanbul. But we found flights with one or more stops from ر.ق.‏ 601.
As of February 2026, there are no flights flying from Klagenfurt to Istanbul.
The cheapest month to fly from Klagenfurt to Istanbul is usually March.
If you're flying from Klagenfurt Airport, the cheapest airport near Istanbul is Istanbul Sabiha – which is 30.3 km away from the centre of Istanbul. We've found flights into this airport from ر.ق.‏ 601.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Klagenfurt Airport to Istanbul on Monday, 9 March 2026.
No airlines currently offer direct flights between Klagenfurt Airport and Istanbul. Most routes have one or more stops.
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 Istanbul 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 Istanbul is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 6°C. August is typically the warmest month in Istanbul, when it usually averages around 27°C. You can expect the least rain in August. The coldest month is January, with temperatures averaging 4°C. The rainiest month is December.
Currently, Ryanair offers the cheapest flight tickets to Istanbul.

Flying from Klagenfurt Airport (KLU) to Istanbul: what you need to know

  • The timezone in Istanbul is UTC+3. The city is two hours ahead of Klagenfurt, where Klagenfurt Airport is located.

  • Leave enough time to get on your KLU to Istanbul flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Longer lines at check-in and security are likely if you're heading away during high season, so give yourself a bit more breathing room. A good rule for peak periods? Get there up to four hours early for international flights and at least two hours for domestic departures.

  • Finding a flight ticket from KLU to Istanbul with a stopover is a breeze. Whether you want to cut costs on your fare or explore an exciting new destination, just deselect 'Direct flights only' to browse your options. A major stop is Vienna International Airport (VIE).

  • The journey from central Klagenfurt to KLU takes about 30 minutes by public transport. If you drive, ride-share or grab a cab, you'll cover the 3 kilometres in 10 minutes or so, depending on traffic.

  • Catching an early flight from Klagenfurt Airport to Istanbul? Avoid the last-minute rush to the terminal (and get some extra shut-eye) by choosing one of these stays close to KLU:

  • Klagenfurt Airport maintains a solid on-time record, so you're unlikely to face delays. Departures from KLU land on schedule 89.42% of the time.

How to find the cheapest flights from Klagenfurt Airport (KLU) to Istanbul

  • ر.ق.‏ 311 is currently the lowest price for a one-way Klagenfurt Airport to Istanbul flight. A return flight ticket starts from ر.ق.‏ 601. These fares may change depending on demand and availability.

  • Don't wait until the last minute. You're more likely to land cheap flights from KLU to Istanbul if you book early. Airlines often have some fantastic early bird rates.

  • The 'Whole month' tool will show you the cheapest tickets from Klagenfurt Airport to Istanbul across the entire month. It's a good way to find a bargain if your travel plans aren't set in stone.

  • There's no need to check every day to see if fares have dropped when you set up a Price Alert. We'll update you when there's an updated deal for cheap flights from KLU to Istanbul.

  • Snag an affordable flight from Klagenfurt Airport to Istanbul with the help of our filters. Select your preferred times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Airports in Istanbul

Istanbul Ataturk Airport (IST)

  • The distance from Istanbul Ataturk Airport (IST) to central Istanbul is roughly 48 kilometres. It'll take you around 50 minutes to get to the centre driving.

  • If you're travelling by public transport, expect a journey time of about 1 hour 45 minutes.

  • Consider booking a hotel close to IST if you're coming in on a late flight from Klagenfurt Airport to Istanbul. Pick one of these options and avoid the hassle of a long transfer:

  • Grab an Istanbul Ataturk Airport rental car and discover Istanbul and beyond with your own wheels. Hit, Avec car rentals and Eren Rent a Car are popular outlets you can book with here.

  • For the best deal, book your vehicle from Istanbul Ataturk Airport around two weeks ahead of your flight from KLU to Istanbul.

Sabiha Gokcen International Airport (SAW)

  • After your flight from Klagenfurt Airport to Istanbul has landed, you can make your way to the city centre in around 55 minutes by car. Central Istanbul is roughly 48 kilometres from Sabiha Gokcen International Airport (SAW).

  • Travelling by public transport will take about 1 hour 30 minutes.

  • After stepping off your KLU to Istanbul flight, kick back at a hotel close to SAW. These are some comfortable options that'll help you switch to relaxation mode:

  • The quickest way to get to where you're going is with a Sabiha Gokcen International Airport rental car. Pick up a set of wheels from Essence, Eren Rent a Car or 724 Rent and set off in the blink of an eye.

  • Get exactly what you want. Booking your ride from SAW four weeks ahead of time often means lower prices and a wider selection of vehicles.

Best time to go to Istanbul

  • Carefully consider your dates before locking in your flight from Klagenfurt Airport to Istanbul. The city comes alive during high season, but hotel prices are often higher and attractions can be busy. Go to Istanbul in the off-season if you want a quieter vibe.

  • Before locking in your Klagenfurt Airport to Istanbul flight ticket, think about the kind of weather forecast you're hoping for. August is the warmest month in Istanbul, with temperatures ranging from 20ºC to 30ºC.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from KLU to Istanbul in January when temperatures average between 2ºC and 11ºC.

More about Istanbul

  • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in Istanbul right here. Check out these hotels after locking in your flight from Klagenfurt Airport to Istanbul:

  • The Basilica Cistern and Topkapi Palace are just two of the leading attractions to add to your Istanbul travel itinerary. Continue your sightseeing adventures at Galata Tower.

Explore more of Türkiye (Turkey)

  • You've done Istanbul, now it's time to discover more of Türkiye (Turkey). Journey about 354 kilometres east to Ankara to check off its top sights. From Museum of Anatolian Civilizations to Kocatepe Mosque (Kocatepe Camii) and Genclik Park, there's plenty to keep you on the go.

  • Izmir is another essential stop in Türkiye (Turkey) and is around 322 kilometres south-west of Istanbul. No journey is complete without seeing Kordonboyu, Kadifekale Castle and Alsancak.

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