£23 - £746
Most travellers find the cheapest return airfare to Klagenfurt when booking during the month of January.
In general, most flyers find the cheapest time to book a flight to Klagenfurt is about 35 days prior.
Most of our users find that booking their departure to Klagenfurt on a Wednesday is the cheapest. Conversely, departing on a Friday seems to be the most expensive.
On average you can find the best deals on plane tickets to Klagenfurt when looking for flights with morning departure times.