Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Chicago (CHI) to Boise (BOI)

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.
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.

Cheap flights from Chicago to Boise in February , March 2026

25 Feb - 04 Mar $ 205.00
CHI
Chicago
Hawaiian Airlines
1 STOPS
BOI
Boise
BOI
Boise
Hawaiian Airlines
1 STOPS
CHI
Chicago
Pick dates
11 Feb - 04 Mar $ 312.00
CHI
Chicago
Alaska Airlines
1 STOPS
BOI
Boise
BOI
Boise
Alaska Airlines
1 STOPS
CHI
Chicago
Pick dates
15 Feb - 03 Mar $ 702.00
CHI
Chicago
Alaska Airlines
1 STOPS
BOI
Boise
BOI
Boise
Alaska Airlines
1 STOPS
CHI
Chicago
Pick dates

Last minute flights from Chicago to Boise

21 Feb - 28 Feb $ 234.00
CHI
Chicago
Hawaiian Airlines
1 STOPS
BOI
Boise
BOI
Boise
Hawaiian Airlines
1 STOPS
CHI
Chicago
Pick dates
14 Feb - 28 Feb $ 283.00
CHI
Chicago
Hawaiian Airlines
1 STOPS
BOI
Boise
BOI
Boise
Hawaiian Airlines
1 STOPS
CHI
Chicago
Pick dates
14 Feb - 28 Feb $ 386.00
CHI
Chicago
United Airlines
DIRECT
BOI
Boise
BOI
Boise
United Airlines
DIRECT
CHI
Chicago
Pick dates

One-way flights to Boise from Chicago

5:29 PM - 9:35 PM
Hawaiian Airlines
1 Stops
7h 30m
CHI - BOI
$ 142
Kiwi
Pick dates
3:35 PM - 8:35 PM
Alaska Airlines
1 Stops
8h 26m
CHI - BOI
$ 208
Kiwi
Pick dates
3:58 PM - 3:58 PM
United Airlines
0 Stops
4h 15m
CHI - BOI
$ 429
Kiwi
Pick dates

How to find the cheapest flight from Chicago (CHI) to Boise (BOI)

Related info for your journey
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.
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.