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

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0 Children (2~11)
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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 February , March 2026

27 Feb - 02 Mar $ 176.00
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
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27 Feb - 09 Mar $ 180.00
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
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27 Feb - 16 Mar $ 180.00
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to Buffalo

27 Feb - 28 Feb $ 176.00
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
Pick dates
26 Feb - 28 Feb $ 204.00
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
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26 Feb - 28 Feb $ 343.00
CHI
Chicago
United Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
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One-way flights to Buffalo from Chicago

5:05 AM - 10:40 AM
Frontier Airlines
1 Stops
6h 39m
CHI - BUF
$ 99
Kiwi
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11:51 AM - 3:30 PM
Frontier Airlines
1 Stops
29h 30m
CHI - BUF
$ 269
Kiwi
Pick dates
5:50 PM - 5:50 PM
United Airlines
0 Stops
1h 39m
CHI - BUF
$ 359
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.