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Cheap flights from St Louis (STL) to Klagenfurt (KLU)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Klagenfurt (KLU)

How to find the cheapest flight from St Louis (STL) to Klagenfurt (KLU)
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How to find the cheapest flight from St Louis (STL) to Klagenfurt (KLU)
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How to find the cheapest flight from St Louis (STL) to Klagenfurt (KLU)
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Cheap flights from St Louis to Klagenfurt in August , September 2026

29 Aug - 16 Sep $ 1,809.00
STL
St Louis
Air Canada
2 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
Air Canada
3 STOPS
STL
St Louis
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29 Aug - 24 Sep $ 1,820.00
STL
St Louis
Air Canada
2 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
Air Canada
3 STOPS
STL
St Louis
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29 Aug - 10 Sep $ 1,821.00
STL
St Louis
Air Canada
2 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
Air Canada
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Klagenfurt

29 Aug - 01 Sep $ 2,360.00
STL
St Louis
Air Canada
2 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
Air Canada
3 STOPS
STL
St Louis
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29 Aug - 01 Sep $ 2,404.00
STL
St Louis
Air Canada
2 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
Air Canada
3 STOPS
STL
St Louis
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22 Aug - 01 Sep $ 2,442.00
STL
St Louis
Air Canada
2 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
Air Canada
3 STOPS
STL
St Louis
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One-way flights to Klagenfurt from St Louis

12:10 PM - 9:45 AM
Sky Alps
2 Stops
40h 15m
STL - KLU
$ 798
Kiwi
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2:40 PM - 12:40 PM
Sky Alps
2 Stops
16h 40m
STL - KLU
$ 932
Kiwi
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12:10 PM - 12:40 PM
Sky Alps
2 Stops
19h 10m
STL - KLU
$ 943
Kiwi
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How to find the cheapest flight from St Louis (STL) to Klagenfurt (KLU)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) to Klagenfurt (KLU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Klagenfurt (KLU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.