$78+ Cheap flights from Chicago (CHI) to Boise (BOI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BOI
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Boise with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago to Boise Air Term. Gowen Fld are usually found in February or October, booked 53 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Cheap flight deals from Chicago to Boise
Cheapest
Best
Last-minute
One-way
Cheapest flights from Chicago to BoiseExplore the most affordable flight options available from Chicago to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
Explore the most affordable flight options available from Chicago to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:21 pm -
1 stop25h 34m
Mon 9/282:50 pm -
1 stop13h 48m
Deal found 8/13![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:21 pm -
1 stop25h 34m
Mon 9/142:50 pm -
1 stop13h 48m
Deal found 8/12![Frontier logo]()
$177
This CheapOair deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:02 pm -
1 stop26h 55m
Mon 11/93:52 pm -
1 stop12h 43m
Deal found 8/11![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:50 am -
1 stop9h 07m
Thu 10/293:52 pm -
1 stop12h 43m
Deal found 8/10![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
1 stop8h 57m
Sun 11/83:52 pm -
1 stop19h 05m
Deal found 8/13![Frontier logo]()
$238
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:00 pm -
1 stop7h 57m
Sat 10/35:30 am -
1 stop6h 50m
Deal found 8/12![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:50 pm -
1 stop6h 50m
Tue 9/291:06 pm -
1 stop7h 49m
Deal found 8/12![Delta logo]()
$239
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:40 am -
1 stop8h 20m
Sat 9/194:05 pm -
2 stops11h 25m
Deal found 8/11![Southwest logo]()
$245
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:00 pm -
2 stops11h 58m
Tue 9/295:30 am -
2 stops12h 03m
Deal found 8/11![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:40 am -
2 stops8h 00m
Tue 9/297:05 am -
2 stops9h 05m
Deal found 8/13![Southwest logo]()
$250
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:45 pm -
2 stops15h 35m
Tue 10/272:25 pm -
2 stops8h 20m
Deal found 8/13![Southwest logo]()
$255
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:15 pm -
1 stop6h 40m
Sat 9/194:05 pm -
2 stops11h 25m
Deal found 8/12![Southwest logo]()
$263
Best flights from Chicago to BoiseDiscover carefully curated flight deals from Chicago to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Chicago to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/196:00 am -
1 stop7h 39m
Sat 1/231:43 pm -
1 stop7h 27m
Deal found 8/12![Delta logo]()
$239
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:40 am -
1 stop8h 20m
Sat 9/194:05 pm -
2 stops11h 25m
Deal found 8/11![Southwest logo]()
$245
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:00 am -
1 stop8h 30m
Sat 9/194:20 pm -
1 stop6h 39m
Deal found 8/13![Alaska Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:40 am -
Nonstop3h 46m
Mon 9/145:40 pm -
1 stop5h 19m
Deal found 8/13![United Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:05 am -
1 stop7h 56m
Sat 10/35:30 am -
1 stop6h 50m
Deal found 8/11![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:45 am -
2 stops10h 34m
Sat 10/31:06 pm -
1 stop7h 54m
Deal found 8/13![Delta logo]()
$244
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:44 pm -
1 stop7h 14m
Sat 10/38:55 am -
1 stop8h 05m
Deal found 8/10![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:40 am -
2 stops8h 10m
Tue 9/227:05 am -
2 stops9h 05m
Deal found 8/10![Southwest logo]()
$313
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:51 pm -
Nonstop4h 02m
Sat 9/195:00 am -
1 stop6h 19m
Deal found 8/11![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:05 pm -
1 stop5h 48m
Sun 10/46:00 am -
1 stop4h 55m
Deal found 8/13![Delta logo]()
$332
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 am -
1 stop8h 04m
Mon 11/91:13 pm -
2 stops7h 21m
Deal found 8/14![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:20 am -
1 stop7h 15m
Sun 10/113:36 pm -
1 stop6h 58m
Deal found 8/12![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:00 am -
1 stop9h 16m
Tue 9/2910:34 am -
2 stops10h 21m
Deal found 8/9![Delta logo]()
$370
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:00 am -
1 stop9h 16m
Tue 9/2211:03 am -
2 stops11h 56m
Deal found 8/10![Delta logo]()
$370
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:25 am -
2 stops8h 49m
Sat 9/195:30 am -
2 stops10h 07m
Deal found 8/11![Delta logo]()
$379
Last-minute flights from Chicago to BoiseDiscover last-minute flight deals from Chicago to Boise. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Boise. Data last updated August 14, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:13 pm -
1 stop5h 46m
Tue 9/152:11 pm -
1 stop7h 33m
Deal found 8/11![Delta logo]()
$264
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:13 pm -
1 stop5h 46m
Wed 9/92:11 pm -
1 stop7h 33m
Deal found 8/12![Delta logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:21 pm -
1 stop25h 34m
Mon 9/142:50 pm -
1 stop13h 48m
Deal found 8/12![Frontier logo]()
$177
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:15 pm -
1 stop6h 40m
Sat 9/194:05 pm -
2 stops11h 25m
Deal found 8/12![Southwest logo]()
$263
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:40 am -
1 stop8h 20m
Sat 9/194:05 pm -
2 stops11h 25m
Deal found 8/11![Southwest logo]()
$245
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:50 pm -
1 stop6h 50m
Tue 9/291:06 pm -
1 stop7h 49m
Deal found 8/12![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:00 pm -
2 stops11h 58m
Tue 9/295:30 am -
2 stops12h 03m
Deal found 8/11![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:40 am -
2 stops8h 00m
Tue 9/297:05 am -
2 stops9h 05m
Deal found 8/13![Southwest logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:21 pm -
1 stop25h 34m
Mon 9/282:50 pm -
1 stop13h 48m
Deal found 8/13![Frontier logo]()
$159
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:00 pm -
1 stop7h 57m
Sat 10/35:30 am -
1 stop6h 50m
Deal found 8/12![Delta logo]()
$239
One-way flights from Chicago to BoiseSearch for one-way flight options from Chicago to Boise. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Chicago to Boise. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:21 pm -
1 stop25h 34m
Deal found 8/11![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:30 am -
2 stops32h 25m
Deal found 8/13![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:06 am -
2 stops28h 51m
Deal found 8/11![Frontier logo]()
$109
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:50 am -
1 stop9h 07m
Deal found 8/10![Frontier logo]()
$115
This Priceline deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
1 stop8h 57m
Deal found 8/14![Frontier logo]()
$116
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:25 pm -
1 stop7h 31m
Deal found 8/12![Delta logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:02 pm -
2 stops26h 55m
Deal found 8/11![Frontier logo]()
$121
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:59 am -
2 stops9h 54m
Deal found 8/14![Delta logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:54 pm -
2 stops26h 01m
Deal found 8/11![Frontier logo]()
$127
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:40 am -
Nonstop3h 30m
Deal found 8/12![Southwest logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:12 pm -
2 stops25h 43m
Deal found 8/14![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:12 pm -
2 stops26h 45m
Deal found 8/12![Frontier logo]()
$137
Find flight deals from Chicago to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $159 (Kiwi.com) |
One-way from | $78 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $389 |
Good round-trip deal | $380 or less |
Good one-way deal | $249 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2026.
Use the filters below to find and compare flights from Chicago to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBoise
MDW Chicago Midway - BOI Boise Air Term. Gowen Fld
MDWBOI
Chicago Midway
Tue 1/19
6:00 am-12:39 pm
1 stop7h 39m
Boise Air Term. Gowen Fld
Sat 1/23
1:43 pm-10:10 pm
1 stop7h 27m
$239
ChicagoBoise
MDW Chicago Midway - BOI Boise Air Term. Gowen Fld
MDWBOI
Chicago Midway
Sat 9/26
6:05 am-1:01 pm
1 stop7h 56m
Boise Air Term. Gowen Fld
Sat 10/3
5:30 am-1:20 pm
1 stop6h 50m
$239
ChicagoBoise
ORD Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld
ORDBOI
Chicago O'Hare Intl
Sat 9/26
7:45 am-5:19 pm
2 stops10h 34m
Boise Air Term. Gowen Fld
Sat 10/3
1:06 pm-10:00 pm
1 stop7h 54m
$244
ChicagoBoise
MDW Chicago Midway - BOI Boise Air Term. Gowen Fld
MDWBOI
Chicago Midway
Sat 9/12
5:40 am-1:00 pm
1 stop8h 20m
Boise Air Term. Gowen Fld
Sat 9/19
4:05 pm-4:30 am
2 stops11h 25m
$245
ChicagoBoise
ORD Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld
ORDBOI
Chicago O'Hare Intl
Mon 9/28
5:44 pm-11:58 pm
1 stop7h 14m
Boise Air Term. Gowen Fld
Sat 10/3
8:55 am-6:00 pm
1 stop8h 05m
$257
ChicagoBoise
ORD Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld
ORDBOI
Chicago O'Hare Intl
Wed 9/16
8:00 am-3:30 pm
1 stop8h 30m
Boise Air Term. Gowen Fld
Sat 9/19
4:20 pm-11:59 pm
1 stop6h 39m
$277
Quickest round-trip
ChicagoBoise
ORD Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld
ORDBOI
Chicago O'Hare Intl
Fri 9/11
8:40 am-11:26 am
Nonstop3h 46m
Boise Air Term. Gowen Fld
Mon 9/14
5:40 pm-11:59 pm
1 stop5h 19m
$295
ChicagoBoise
MDW Chicago Midway - BOI Boise Air Term. Gowen Fld
MDWBOI
Chicago Midway
Wed 9/16
6:40 am-1:50 pm
2 stops8h 10m
Boise Air Term. Gowen Fld
Tue 9/22
7:05 am-5:10 pm
2 stops9h 05m
$313
ChicagoBoise
ORD Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld
ORDBOI
Chicago O'Hare Intl
Sat 10/3
2:05 pm-6:53 pm
1 stop5h 48m
Boise Air Term. Gowen Fld
Sun 10/4
6:00 am-11:55 am
1 stop4h 55m
$332
ChicagoBoise
ORD Chicago O'Hare Intl - BOI Boise Air Term. Gowen Fld
ORDBOI
Chicago O'Hare Intl
Thu 11/5
6:30 am-1:34 pm
1 stop8h 04m
Boise Air Term. Gowen Fld
Mon 11/9
1:13 pm-9:34 pm
2 stops7h 21m
$338
Showing 1-10 of 36 resultsSorted by cheapest first
Compare providers for flights from Chicago to Boise
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Boise in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Chicago with our price prediction graph.
CHI-BOI
ORD-BOI
MDW-BOI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Boise
CHI-BOI
ORD-BOI
MDW-BOI
What is the cheapest month to book a flight from Chicago to Boise?
Currently, February is the cheapest month in which you can book a flight from Chicago to Boise (average of $323). Flying from Chicago to Boise in December is currently the most expensive (average of $545). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHI to BOI?
Find hourly flight availability from Chicago to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 21% on flights from Chicago to Boise by exploring options for tickets at noon.
Weekly flight availability from Chicago to Boise
Explore weekly flight availability from Chicago to Boise. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 14, 2026.
The most flights from CHI to BOI are scheduled on a Thursday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Chicago to Boise?
Airfare is below average for this route at the moment.
Chicago to Boise flights typically cost between $357 and $515 in September.The cheapest round-trip price found within the last 5 days was $159 on Frontier (Sep 23-Sep 28).
How far ahead should I book a flight from Chicago to Boise?
The price you pay for your flight from Chicago to Boise may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated August 14, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Chicago to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Chicago to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
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Other flights to Boise
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Chicago and Boise flights
Browse other Chicago and Boise flight options. Last updated on August 14, 2026.
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Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.
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Top 5 airlines flying from Chicago to Boise
Discover the top 5 airlines that operate flights from Chicago to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$339 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$269 | Average$474 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$283 | Average$396 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$458 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$348 | Average$364 | FlexibilityNo cancel fee | On-time75% |