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Cheap flights from St Louis (STL) to Buffalo (BUF)

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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 Buffalo (BUF)

How to find the cheapest flight from St Louis (STL) to Buffalo (BUF)
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How to find the cheapest flight from St Louis (STL) to Buffalo (BUF)
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How to find the cheapest flight from St Louis (STL) to Buffalo (BUF)
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Cheap flights from St Louis to Buffalo in February , March 2026

25 Feb - 09 Mar $ 190.00
STL
St Louis
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
STL
St Louis
Pick dates
27 Feb - 09 Mar $ 202.00
STL
St Louis
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
STL
St Louis
Pick dates
27 Feb - 08 Mar $ 231.00
STL
St Louis
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
STL
St Louis
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Last minute flights from St Louis to Buffalo

25 Feb - 28 Feb $ 269.00
STL
St Louis
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
STL
St Louis
Pick dates
27 Feb - 28 Feb $ 281.00
STL
St Louis
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
STL
St Louis
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14 Feb - 28 Feb $ 285.00
STL
St Louis
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
STL
St Louis
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One-way flights to Buffalo from St Louis

8:22 PM - 9:01 AM
Frontier Airlines
1 Stops
13h 43m
STL - BUF
$ 89
Kiwi
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7:41 AM - 10:30 AM
United Airlines
1 Stops
4h 31m
STL - BUF
$ 321
Kiwi
Pick dates
8:17 AM - 10:30 AM
United Airlines
1 Stops
3h 55m
STL - BUF
$ 369
Kiwi
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How to find the cheapest flight from St Louis (STL) to Buffalo (BUF)

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How to find the cheapest flight from St Louis (STL) to Buffalo (BUF)
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 Buffalo (BUF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.