Cheapest return flights from Klagenfurt to Prague in September from $260

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

Return flights

09 Sep - 11 Sep Ryanair
16 Sep - 19 Sep Austrian Airlines

Also check the deals for one-way flights from Klagenfurt to Prague 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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