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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 April , May 2026

30 Apr - 27 May $ 222.00
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
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30 Apr - 27 May $ 247.00
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
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30 Apr - 11 May $ 291.00
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
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Last minute flights from Buffalo to Chicago

28 Apr - 30 Apr $ 740.00
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
Pick dates
28 Apr - 30 Apr $ 740.00
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
Pick dates
28 Apr - 30 Apr $ 740.00
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
Pick dates

One-way flights to Chicago from Buffalo

1:08 PM - 6:26 PM
Frontier Airlines
1 Stops
7h 23m
BUF - CHI
$ 177
Kiwi
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5:55 PM - 5:55 PM
United Airlines
0 Stops
1h 56m
BUF - CHI
$ 341
Kiwi
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10:35 AM - 1:10 PM
United Airlines
1 Stops
4h 52m
BUF - CHI
$ 410
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.