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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 July , August 2026

31 Jul - 20 Aug $ 417.00
STL
St Louis
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
STL
St Louis
Pick dates
31 Jul - 24 Aug $ 417.00
STL
St Louis
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
STL
St Louis
Pick dates
31 Jul - 31 Aug $ 417.00
STL
St Louis
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
STL
St Louis
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Last minute flights from St Louis to Buffalo

29 Jul - 01 Aug $ 745.00
STL
St Louis
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
STL
St Louis
Pick dates
29 Jul - 01 Aug $ 751.00
STL
St Louis
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
STL
St Louis
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29 Jul - 31 Jul $ 870.00
STL
St Louis
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
STL
St Louis
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One-way flights to Buffalo from St Louis

8:00 AM - 10:25 AM
United Airlines
1 Stops
4h 13m
STL - BUF
$ 290
Kiwi
Pick dates
11:25 AM - 1:55 PM
United Airlines
1 Stops
4h 16m
STL - BUF
$ 290
Kiwi
Pick dates
8:00 AM - 10:25 AM
United Airlines
1 Stops
4h 13m
STL - BUF
$ 389
Kiwi
Pick dates

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.