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Cheap flights from Chicago (CHI) to Boise (BOI)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
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How to find the cheapest flight from Chicago (CHI) to Boise (BOI)

How to find the cheapest flight from Chicago (CHI) to Boise (BOI)
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How to find the cheapest flight from Chicago (CHI) to Boise (BOI)
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How to find the cheapest flight from Chicago (CHI) to Boise (BOI)
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Cheap flights from Chicago to Boise in April , May 2026

28 Apr - 06 May $ 295.00
CHI
Chicago
Alaska Airlines
1 STOPS
BOI
Boise
BOI
Boise
Alaska Airlines
1 STOPS
CHI
Chicago
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15 Apr - 05 May $ 339.00
CHI
Chicago
Alaska Airlines
1 STOPS
BOI
Boise
BOI
Boise
Alaska Airlines
1 STOPS
CHI
Chicago
Pick dates
14 Apr - 09 May $ 365.00
CHI
Chicago
Alaska Airlines
1 STOPS
BOI
Boise
BOI
Boise
Alaska Airlines
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to Boise

28 Apr - 30 Apr $ 347.00
CHI
Chicago
Alaska Airlines
1 STOPS
BOI
Boise
BOI
Boise
Alaska Airlines
1 STOPS
CHI
Chicago
Pick dates
14 Apr - 30 Apr $ 391.00
CHI
Chicago
Alaska Airlines
1 STOPS
BOI
Boise
BOI
Boise
Alaska Airlines
1 STOPS
CHI
Chicago
Pick dates
14 Apr - 30 Apr $ 513.00
CHI
Chicago
Alaska Airlines
1 STOPS
BOI
Boise
BOI
Boise
Alaska Airlines
1 STOPS
CHI
Chicago
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One-way flights to Boise from Chicago

7:55 PM - 7:55 PM
United Airlines
0 Stops
4h 7m
CHI - BOI
$ 158
Kiwi
Pick dates
8:00 AM - 11:25 AM
Alaska Airlines
1 Stops
6h 58m
CHI - BOI
$ 192
Kiwi
Pick dates
1:25 PM - 1:25 PM
United Airlines
0 Stops
4h 2m
CHI - BOI
$ 202
Kiwi
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How to find the cheapest flight from Chicago (CHI) to Boise (BOI)

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