i am confussed
It depends on where you're flying from.
Go to Google Flights and take a look. Or Skyscanner.
I could fly to Salzburg for £39 - often less. I don't want to but I could.
This is the best search engine for flights:
That’s easy to find out on your own. I use Travelocity to check flights and fares. Depending on where in Austria you want to go, For us, Munich makes a good airport for trips to Austria.