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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 April , May 2026

29 Apr - 12 May $ 160.00
STL
St Louis
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
STL
St Louis
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25 Apr - 12 May $ 167.00
STL
St Louis
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
STL
St Louis
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25 Apr - 05 May $ 167.00
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 Apr - 01 May $ 207.00
STL
St Louis
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
STL
St Louis
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25 Apr - 30 Apr $ 259.00
STL
St Louis
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
STL
St Louis
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28 Apr - 30 Apr $ 379.00
STL
St Louis
United Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
United Airlines
1 STOPS
STL
St Louis
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One-way flights to Buffalo from St Louis

8:23 PM - 8:59 AM
Frontier Airlines
1 Stops
13h 46m
STL - BUF
$ 87
Kiwi
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8:30 AM - 12:52 PM
United Airlines
1 Stops
4h 47m
STL - BUF
$ 364
Kiwi
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8:21 AM - 10:30 AM
United Airlines
1 Stops
3h 52m
STL - BUF
$ 398
Kiwi
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How to find the cheapest flight from St Louis (STL) to Buffalo (BUF)

Related info for your journey
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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.