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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 April , May 2026

28 Apr - 05 May $ 307.00
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
Pick dates
28 Apr - 12 May $ 307.00
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
Pick dates
28 Apr - 05 May $ 307.00
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
Pick dates

Last minute flights from Chicago to Buffalo

25 Apr - 30 Apr $ 174.00
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
Pick dates
28 Apr - 30 Apr $ 178.00
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
Pick dates
23 Apr - 30 Apr $ 184.00
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
Pick dates

One-way flights to Buffalo from Chicago

6:02 PM - 6:02 PM
United Airlines
0 Stops
1h 41m
CHI - BUF
$ 119
Kiwi
Pick dates
6:02 PM - 6:02 PM
United Airlines
0 Stops
1h 41m
CHI - BUF
$ 321
Kiwi
Pick dates
7:15 AM - 7:15 AM
United Airlines
0 Stops
1h 50m
CHI - BUF
$ 321
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.