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Cheap flights from Denver (DEN) to Klagenfurt (KLU)

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How to find the cheapest flight from Denver (DEN) to Klagenfurt (KLU)

How to find the cheapest flight from Denver (DEN) to Klagenfurt (KLU)
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How to find the cheapest flight from Denver (DEN) to Klagenfurt (KLU)
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How to find the cheapest flight from Denver (DEN) to Klagenfurt (KLU)
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Cheap flights from Denver to Klagenfurt in May , June 2026

30 May - 05 Jun $ 1,632.00
DEN
Denver
JetBlue Airways
3 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
JetBlue Airways
2 STOPS
DEN
Denver
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18 May - 05 Jun $ 1,642.00
DEN
Denver
JetBlue Airways
3 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
JetBlue Airways
2 STOPS
DEN
Denver
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20 May - 04 Jun $ 3,737.00
DEN
Denver
Lufthansa
2 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
Lufthansa
2 STOPS
DEN
Denver
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Last minute flights from Denver to Klagenfurt

27 May - 01 Jun $ 1,726.00
DEN
Denver
JetBlue Airways
3 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
JetBlue Airways
3 STOPS
DEN
Denver
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27 May - 01 Jun $ 1,792.00
DEN
Denver
Icelandair
3 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
Icelandair
2 STOPS
DEN
Denver
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18 May - 01 Jun $ 1,893.00
DEN
Denver
Icelandair
3 STOPS
KLU
Klagenfurt
KLU
Klagenfurt
Icelandair
2 STOPS
DEN
Denver
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One-way flights to Klagenfurt from Denver

4:05 PM - 10:35 PM
Austrian Airlines
2 Stops
23h 15m
DEN - KLU
$ 789
Kiwi
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4:05 PM - 1:20 PM
Austrian Airlines
2 Stops
13h 55m
DEN - KLU
$ 811
Kiwi
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5:40 PM - 10:35 PM
Austrian Airlines
2 Stops
21h 40m
DEN - KLU
$ 824
Kiwi
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How to find the cheapest flight from Denver (DEN) to Klagenfurt (KLU)

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