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

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1 Adults (11+)
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 March , April 2026

17 Mar - 11 Apr $ 1,485.00
STL
St Louis
Hawaiian Airlines
3 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
Hawaiian Airlines
3 STOPS
STL
St Louis
Pick dates
18 Mar - 11 Apr $ 1,485.00
STL
St Louis
Hawaiian Airlines
3 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
Hawaiian Airlines
3 STOPS
STL
St Louis
Pick dates
17 Mar - 11 Apr $ 1,485.00
STL
St Louis
Hawaiian Airlines
3 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
Hawaiian Airlines
3 STOPS
STL
St Louis
Pick dates

One-way flights to Klagenfurt from St Louis

6:59 PM - 10:35 PM
Austrian Airlines
3 Stops
22h 21m
STL - KLU
$ 780
Kiwi
Pick dates
6:59 PM - 10:35 PM
Austrian Airlines
3 Stops
22h 21m
STL - KLU
$ 780
Kiwi
Pick dates
5:21 PM - 10:35 PM
Austrian Airlines
3 Stops
23h 59m
STL - KLU
$ 780
Kiwi
Pick dates

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.