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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 January , February 2026

25 Jan - 03 Feb $ 406.00
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
Pick dates
26 Jan - 03 Feb $ 406.00
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
Pick dates
27 Jan - 03 Feb $ 406.00
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
Pick dates

Last minute flights from Chicago to Buffalo

24 Jan - 31 Jan $ 372.00
CHI
Chicago
United Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
Pick dates
17 Jan - 31 Jan $ 545.00
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
Pick dates
17 Jan - 31 Jan $ 545.00
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
Pick dates

One-way flights to Buffalo from Chicago

5:50 PM - 5:50 PM
United Airlines
0 Stops
1h 39m
CHI - BUF
$ 252
Kiwi
Pick dates
1:00 PM - 9:00 PM
United Airlines
1 Stops
8h 31m
CHI - BUF
$ 282
Kiwi
Pick dates
5:50 PM - 5:50 PM
United Airlines
0 Stops
1h 39m
CHI - BUF
$ 297
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.