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Cheap flights from Chicago (CHI) 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 Chicago (CHI) to Buffalo (BUF)

How to find the cheapest flight from Chicago (CHI) to Buffalo (BUF)
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How to find the cheapest flight from Chicago (CHI) to Buffalo (BUF)
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How to find the cheapest flight from Chicago (CHI) to Buffalo (BUF)
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Cheap flights from Chicago to Buffalo in October , November 2026

28 Oct - 09 Nov $ 291.00
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
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24 Oct - 09 Nov $ 654.00
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
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20 Oct - 16 Nov $ 1,028.00
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
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Last minute flights from Chicago to Buffalo

24 Oct - 31 Oct $ 604.00
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
Pick dates
24 Oct - 31 Oct $ 604.00
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
Pick dates
24 Oct - 31 Oct $ 678.00
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
Pick dates

One-way flights to Buffalo from Chicago

6:16 AM - 11:07 AM
Frontier Airlines
1 Stops
5h 59m
CHI - BUF
$ 146
Kiwi
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6:50 AM - 6:50 AM
United Airlines
0 Stops
1h 39m
CHI - BUF
$ 269
Kiwi
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6:29 AM - 6:29 AM
United Airlines
0 Stops
1h 39m
CHI - BUF
$ 269
Kiwi
Pick dates

How to find the cheapest flight from Chicago (CHI) to Buffalo (BUF)

Related info for your journey
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How to find the cheapest flight from Chicago (CHI) 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 Chicago (CHI) to Buffalo (BUF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.