Cheapest return flights from Vienna to Klagenfurt in September from 146€

AirHint found the following cheapest return flights from Vienna (VIE) to Klagenfurt (KLU) in September 2025 (see full year).

Return flights

14 Sep - 17 Sep Austrian Airlines direct
02 Sep - 07 Sep Austrian Airlines
02 Sep - 07 Sep Austrian Airlines direct

Also check the deals for one-way flights from Vienna to Klagenfurt in September.

Skyscanner

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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