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Cheap flights from St Louis (STL) to Luxembourg (LUX)

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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 Luxembourg (LUX)

How to find the cheapest flight from St Louis (STL) to Luxembourg (LUX)
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How to find the cheapest flight from St Louis (STL) to Luxembourg (LUX)
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How to find the cheapest flight from St Louis (STL) to Luxembourg (LUX)
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Cheap flights from St Louis to Luxembourg in December 2025 , January 2026

30 Dec - 23 Jan $ 1,043.00
STL
St Louis
Frontier Airlines
3 STOPS
LUX
Luxembourg
LUX
Luxembourg
Frontier Airlines
3 STOPS
STL
St Louis
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30 Dec - 23 Jan $ 1,068.00
STL
St Louis
Frontier Airlines
3 STOPS
LUX
Luxembourg
LUX
Luxembourg
Frontier Airlines
3 STOPS
STL
St Louis
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30 Dec - 30 Jan $ 1,073.00
STL
St Louis
Frontier Airlines
3 STOPS
LUX
Luxembourg
LUX
Luxembourg
Frontier Airlines
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Luxembourg

29 Dec - 01 Jan $ 1,525.00
STL
St Louis
Frontier Airlines
3 STOPS
LUX
Luxembourg
LUX
Luxembourg
Frontier Airlines
3 STOPS
STL
St Louis
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29 Dec - 01 Jan $ 1,589.00
STL
St Louis
Spirit Airlines
3 STOPS
LUX
Luxembourg
LUX
Luxembourg
Spirit Airlines
3 STOPS
STL
St Louis
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29 Dec - 01 Jan $ 1,649.00
STL
St Louis
Frontier Airlines
3 STOPS
LUX
Luxembourg
LUX
Luxembourg
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to Luxembourg from St Louis

6:35 PM - 9:15 PM
Luxair
3 Stops
21h 5m
STL - LUX
$ 515
Kiwi
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6:35 PM - 9:15 PM
Luxair
3 Stops
21h 5m
STL - LUX
$ 540
Kiwi
Pick dates
6:35 PM - 9:15 PM
Luxair
3 Stops
21h 5m
STL - LUX
$ 550
Kiwi
Pick dates

How to find the cheapest flight from St Louis (STL) to Luxembourg (LUX)

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