$379 Cheap Flights from Frankfurt am Main (FRA) to Klagenfurt (KLU) in 2025

Q: How much are return flights from Frankfurt am Main to Klagenfurt?

The best price we found for a return flight from Frankfurt am Main to Klagenfurt is $380. 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.

Q: Which airlines fly direct from Frankfurt am Main to Klagenfurt?

Currently, there are no airlines that fly direct from Frankfurt am Main to Klagenfurt. But we found flights with one or more stops from $380.

Q: How many flights are there a week from Frankfurt am Main to Klagenfurt?

As of May 2025, there are no flights flying from Frankfurt am Main to Klagenfurt.

Q: When is the cheapest time to fly from Frankfurt am Main to Klagenfurt?

The cheapest month to fly from Frankfurt am Main to Klagenfurt is usually May 2025.

Q: Which upcoming date is cheapest to fly from Frankfurt am Main Airport to Klagenfurt Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Frankfurt am Main Airport to Klagenfurt Airport on Monday, 23 June 2025 .

Q: Can I get a direct flight from Frankfurt am Main Airport to Klagenfurt Airport?

No airlines currently offer direct flights between Frankfurt am Main Airport and Klagenfurt Airport. Most routes have one or more stops.

Q: How can I find the best flight deal to Klagenfurt?

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 Klagenfurt 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.

Q: When is the best time to book flights to Klagenfurt?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Klagenfurt is around 40 days in advance, so don’t leave your flight to the last minute.

Q: Which is the cheapest airline to fly from Frankfurt am Main Airport to Klagenfurt with?

Currently, Austrian Airlines offers the cheapest flight tickets to Klagenfurt.

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Flight deals from Frankfurt am Main to Klagenfurt

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

Klagenfurt.$379 per passenger.Departing Mon, 23 Jun, returning Fri, 27 Jun.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from Frankfurt am Main on Mon, 23 Jun, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Fri, 27 Jun, arriving in Frankfurt am Main.Price includes taxes and charges.From $379, select.

Klagenfurt.$379 per passenger.Departing Tue, 2 Sep, returning Wed, 10 Sep.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from Frankfurt am Main on Tue, 2 Sep, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Wed, 10 Sep, arriving in Frankfurt am Main.Price includes taxes and charges.From $379, select.

Klagenfurt.$385 per passenger.Departing Thu, 5 Feb, returning Mon, 9 Feb.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from Frankfurt am Main on Thu, 5 Feb, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Mon, 9 Feb, arriving in Frankfurt am Main.Price includes taxes and charges.From $385, select.

Klagenfurt.$406 per passenger.Departing Sat, 23 Aug, returning Sat, 30 Aug.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from Frankfurt am Main on Sat, 23 Aug, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Sat, 30 Aug, arriving in Frankfurt am Main.Price includes taxes and charges.From $406, select.

Klagenfurt.$409 per passenger.Departing Thu, 23 Oct, returning Tue, 28 Oct.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from Frankfurt am Main on Thu, 23 Oct, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Tue, 28 Oct, arriving in Frankfurt am Main.Price includes taxes and charges.From $409, select.

Klagenfurt.$452 per passenger.Departing Wed, 8 Oct, returning Tue, 11 Nov.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from Frankfurt am Main on Wed, 8 Oct, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Tue, 11 Nov, arriving in Frankfurt am Main.Price includes taxes and charges.From $452, select.

Klagenfurt.$486 per passenger.Departing Thu, 26 Jun, returning Sun, 6 Jul.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from Frankfurt am Main on Thu, 26 Jun, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Sun, 6 Jul, arriving in Frankfurt am Main.Price includes taxes and charges.From $486, select.

Klagenfurt.$488 per passenger.Departing Tue, 17 Jun, returning Tue, 5 Aug.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from Frankfurt am Main on Tue, 17 Jun, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Tue, 5 Aug, arriving in Frankfurt am Main.Price includes taxes and charges.From $488, select.

Find the cheapest month to fly from Frankfurt am Main to Klagenfurt

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

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Frankfurt am Main to Klagenfurt: Alternative routes

Compare routes from Frankfurt am Main to Klagenfurt below. You may find an airport to fly into that's cheaper, faster, or easier than Klagenfurt.

Frankfurt to Klagenfurt: Flight information

The things to know before you go.

Cheapest flight found	$379
Cheapest month to fly	June

Finding cheap flights from Frankfurt am Main to Klagenfurt: Frequently asked questions

How much are return flights from Frankfurt am Main to Klagenfurt?

Which airlines fly direct from Frankfurt am Main to Klagenfurt?

How many flights are there a week from Frankfurt am Main to Klagenfurt?

When is the cheapest time to fly from Frankfurt am Main to Klagenfurt?

Which upcoming date is cheapest to fly from Frankfurt am Main Airport to Klagenfurt Airport on?

Can I get a direct flight from Frankfurt am Main Airport to Klagenfurt Airport?

How can I find the best flight deal to Klagenfurt?

When is the best time to book flights to Klagenfurt?

Which is the cheapest airline to fly from Frankfurt am Main Airport to Klagenfurt with?

How to find cheap flights to Klagenfurt from Frankfurt am Main

Looking for cheap tickets from Frankfurt am Main to Klagenfurt? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Frankfurt am Main to Klagenfurt. And with us there are no hidden fees - what you see is what you pay.
Compare flight deals to Klagenfurt from Frankfurt am Main from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
Flex your dates to find the best Frankfurt am Main-Klagenfurt ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Klagenfurt from Frankfurt am Main.
Set up a Price Alert. You can easily track the fare of your cheap Frankfurt am Main-Klagenfurt flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between Frankfurt am Main and Klagenfurt? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
Find the cheapest Business class flights from Frankfurt am Main and Klagenfurt. We scour the internet for the best Business, Premium Economy and First Class flight fares to Klagenfurt, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for Frankfurt am Main to Klagenfurt flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

Combine your flight to Klagenfurt from Frankfurt am Main with hotels and car hire

Once you've secured your cheap flight ticket from Frankfurt am Main to Klagenfurt, discover the best prices and exclusive rates for hotels in Klagenfurt or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.