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

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1 Adults (11+)
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 March , April 2026

31 Mar - 07 Apr $ 327.00
STL
St Louis
United Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
United Airlines
1 STOPS
STL
St Louis
Pick dates
31 Mar - 07 Apr $ 327.00
STL
St Louis
United Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
United Airlines
1 STOPS
STL
St Louis
Pick dates
31 Mar - 01 Apr $ 327.00
STL
St Louis
United Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
United Airlines
1 STOPS
STL
St Louis
Pick dates

Last minute flights from St Louis to Buffalo

26 Mar - 01 Apr $ 830.00
STL
St Louis
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
3 STOPS
STL
St Louis
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25 Mar - 01 Apr $ 868.00
STL
St Louis
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
3 STOPS
STL
St Louis
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30 Mar - 01 Apr $ 934.00
STL
St Louis
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to Buffalo from St Louis

7:45 AM - 10:30 AM
United Airlines
1 Stops
4h 28m
STL - BUF
$ 164
Kiwi
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3:23 PM - 6:05 PM
United Airlines
1 Stops
4h 23m
STL - BUF
$ 289
Kiwi
Pick dates
8:17 AM - 10:30 AM
United Airlines
1 Stops
3h 55m
STL - BUF
$ 379
Kiwi
Pick dates

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.