Cheapest one-way flights from Klagenfurt to Vienna in December from $111

AirHint found the following cheapest one-way flights from Klagenfurt (KLU) to Vienna (VIE) in December 2025 (see full year).

One-Way flights

06 Dec Austrian Airlines direct
23 Dec Austrian Airlines direct
15 Dec Austrian Airlines direct

Also check the deals for return flights from Klagenfurt to Vienna in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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