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

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0 Children (2~11)
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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 August , September 2026

26 Aug - 19 Sep $ 1,123.00
STL
St Louis
Frontier Airlines
2 STOPS
LUX
Luxembourg
LUX
Luxembourg
Frontier Airlines
3 STOPS
STL
St Louis
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26 Aug - 17 Sep $ 1,162.00
STL
St Louis
WestJet
2 STOPS
LUX
Luxembourg
LUX
Luxembourg
WestJet
3 STOPS
STL
St Louis
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26 Aug - 19 Sep $ 1,280.00
STL
St Louis
Air Canada
2 STOPS
LUX
Luxembourg
LUX
Luxembourg
Air Canada
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Luxembourg

24 Aug - 01 Sep $ 1,067.00
STL
St Louis
Air Canada
2 STOPS
LUX
Luxembourg
LUX
Luxembourg
Air Canada
2 STOPS
STL
St Louis
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26 Aug - 31 Aug $ 1,114.00
STL
St Louis
United Airlines
1 STOPS
LUX
Luxembourg
LUX
Luxembourg
United Airlines
1 STOPS
STL
St Louis
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26 Aug - 31 Aug $ 1,114.00
STL
St Louis
United Airlines
1 STOPS
LUX
Luxembourg
LUX
Luxembourg
United Airlines
1 STOPS
STL
St Louis
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One-way flights to Luxembourg from St Louis

12:10 PM - 8:50 PM
Luxair
2 Stops
27h 35m
STL - LUX
$ 588
Kiwi
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12:10 PM - 3:50 PM
Luxair
2 Stops
22h 35m
STL - LUX
$ 634
Kiwi
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2:40 PM - 3:50 PM
Luxair
2 Stops
20h 5m
STL - LUX
$ 639
Kiwi
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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.