Cheapest return flights from Klagenfurt to Amsterdam in December from 221€

AirHint found the following cheapest return flights from Klagenfurt (KLU) to Amsterdam (AMS) in December 2025 (see full year).

Return flights

08 Dec - 12 Dec Ryanair
12 Dec - 15 Dec Austrian Airlines
12 Dec - 16 Dec Austrian Airlines
30 Dec - 06 Jan Austrian Airlines
11 Dec - 15 Dec Austrian Airlines
11 Dec - 14 Dec Austrian Airlines
28 Dec - 02 Jan Austrian Airlines
29 Dec - 01 Jan Ryanair

Also check the deals for one-way flights from Klagenfurt to Amsterdam in December.

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