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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

18 Apr - 13 May $ 168.00
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
Pick dates
25 Apr - 13 May $ 168.00
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
Pick dates
28 Apr - 13 May $ 168.00
BUF
Buffalo
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
BUF
Buffalo
Pick dates

Last minute flights from Buffalo to Chicago

23 Apr - 30 Apr $ 335.00
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
Pick dates
25 Apr - 30 Apr $ 335.00
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
Pick dates
23 Apr - 30 Apr $ 335.00
BUF
Buffalo
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
BUF
Buffalo
Pick dates

One-way flights to Chicago from Buffalo

7:00 AM - 7:00 AM
United Airlines
0 Stops
1h 57m
BUF - CHI
$ 119
Kiwi
Pick dates
7:00 AM - 7:00 AM
United Airlines
0 Stops
1h 57m
BUF - CHI
$ 321
Kiwi
Pick dates
7:00 AM - 7:00 AM
United Airlines
0 Stops
1h 57m
BUF - CHI
$ 321
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.