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Cheap flights from St Louis (STL) to Brussels (BRU)

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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 Brussels (BRU)

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

31 Dec - 07 Jan $ 865.00
STL
St Louis
United Airlines
1 STOPS
BRU
Brussels
BRU
Brussels
United Airlines
1 STOPS
STL
St Louis
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27 Dec - 01 Jan $ 2,792.00
STL
St Louis
Aer Lingus
2 STOPS
BRU
Brussels
BRU
Brussels
Aer Lingus
2 STOPS
STL
St Louis
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22 Dec - 01 Jan $ 3,149.00
STL
St Louis
Aer Lingus
2 STOPS
BRU
Brussels
BRU
Brussels
Aer Lingus
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Brussels

24 Dec - 31 Dec $ 1,568.00
STL
St Louis
United Airlines
1 STOPS
BRU
Brussels
BRU
Brussels
United Airlines
1 STOPS
STL
St Louis
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24 Dec - 31 Dec $ 1,587.00
STL
St Louis
United Airlines
1 STOPS
BRU
Brussels
BRU
Brussels
United Airlines
1 STOPS
STL
St Louis
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24 Dec - 31 Dec $ 1,678.00
STL
St Louis
United Airlines
1 STOPS
BRU
Brussels
BRU
Brussels
United Airlines
1 STOPS
STL
St Louis
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One-way flights to Brussels from St Louis

1:05 PM - 5:45 PM
Brussels Airlines
1 Stops
11h 10m
STL - BRU
$ 587
Kiwi
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4:53 PM - 6:50 AM
Aer Lingus
2 Stops
33h 42m
STL - BRU
$ 697
Kiwi
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3:10 PM - 5:55 PM
Brussels Airlines
1 Stops
10h 45m
STL - BRU
$ 896
Kiwi
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How to find the cheapest flight from St Louis (STL) to Brussels (BRU)

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