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

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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 Buffalo (BUF) to Chicago (CHI)

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

27 Sep - 31 Oct $ 472.00
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
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30 Sep - 10 Oct $ 542.00
BUF
Buffalo
JetBlue Airways
1 STOPS
CHI
Chicago
CHI
Chicago
JetBlue Airways
1 STOPS
BUF
Buffalo
Pick dates
27 Sep - 11 Oct $ 663.00
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
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Last minute flights from Buffalo to Chicago

28 Sep - 30 Sep $ 571.00
BUF
Buffalo
United Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
Pick dates
27 Sep - 30 Sep $ 681.00
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
Pick dates
27 Sep - 30 Sep $ 727.00
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
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One-way flights to Chicago from Buffalo

1:40 PM - 5:02 PM
Frontier Airlines
1 Stops
5h 43m
BUF - CHI
$ 196
Kiwi
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6:51 PM - 8:51 PM
Frontier Airlines
1 Stops
29h 8m
BUF - CHI
$ 202
Kiwi
Pick dates
10:46 AM - 10:46 AM
United Airlines
0 Stops
1h 59m
BUF - CHI
$ 256
Kiwi
Pick dates

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

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