$136+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BOI
Jul 23 — Jul 301
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
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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 June 23, 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 June 23, 2026.
This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:35 am
ORD
- BOI
Nonstop3h 56m
American Airlines
Tue 9/293:21 pm
BOI
- ORD
Nonstop3h 55m
American Airlines
Deal found 6/21![American Airlines logo]()
$335
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:32 am
ORD
- BOI
Nonstop3h 50m
American Airlines
Sat 8/82:58 pm
BOI
- ORD
Nonstop3h 51m
American Airlines
Deal found 6/22![American Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/312:41 pm
ORD
- BOI
1 stop22h 48m
Frontier
Thu 9/1012:59 pm
BOI
- ORD
1 stop7h 36m
Frontier
Deal found 6/22![Frontier logo]()
$338
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:57 pm
ORD
- BOI
1 stop15h 32m
Multiple Airlines
Fri 7/244:27 pm
BOI
- ORD
1 stop6h 32m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 8/118:02 am
ORD
- BOI
1 stop7h 05m
Alaska Airlines
Mon 8/247:48 pm
BOI
- ORD
1 stop9h 32m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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.
Sat 8/296:01 am
ORD
- BOI
1 stop9h 01m
Alaska Airlines
Tue 9/14:20 pm
BOI
- ORD
1 stop6h 39m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 9/22:41 pm
ORD
- BOI
1 stop21h 48m
Frontier
Thu 9/1012:59 pm
BOI
- ORD
1 stop7h 36m
Frontier
Deal found 6/22![Frontier logo]()
$346
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:57 pm
ORD
- BOI
1 stop15h 32m
Multiple Airlines
Sat 8/227:20 am
BOI
- ORD
1 stop11h 01m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 6/22. 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 8/297:48 am
ORD
- BOI
1 stop5h 26m
Delta
Sun 9/62:53 pm
BOI
- ORD
1 stop5h 54m
Delta
Deal found 6/22![Delta logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/109:57 pm
ORD
- BOI
1 stop15h 32m
Frontier
Sun 8/2312:24 pm
BOI
- ORD
1 stop24h 12m
Frontier
Deal found 6/22![Frontier logo]()
$351
This Delta deal was found by Cheapflights users on 6/22. 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 8/11:49 pm
MDW
- BOI
1 stop8h 13m
Delta
Sat 8/85:30 am
BOI
- MDW
1 stop6h 40m
Delta
Deal found 6/22![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 6/22. 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 8/87:00 am
ORD
- BOI
1 stop9h 18m
Delta
Wed 8/191:59 pm
BOI
- ORD
1 stop8h 58m
Delta
Deal found 6/22![Delta logo]()
$354
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 June 23, 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 June 23, 2026.
This Delta deal was found by Cheapflights users on 6/21. 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 8/151:51 pm
MDW
- BOI
1 stop8h 01m
Delta
Wed 8/191:59 pm
BOI
- MDW
1 stop7h 37m
Delta
Deal found 6/21![Delta logo]()
$355
This Southwest deal was found by Cheapflights users on 6/20. 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 8/266:40 am
MDW
- BOI
1 stop5h 15m
Southwest
Wed 9/22:25 pm
BOI
- MDW
1 stop7h 25m
Southwest
Deal found 6/20![Southwest logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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.
Mon 8/246:01 am
ORD
- BOI
1 stop9h 01m
Alaska Airlines
Fri 8/282:17 pm
BOI
- ORD
1 stop8h 42m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 6/19. 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 11/2412:30 pm
MDW
- BOI
2 stops8h 47m
Delta
Tue 12/15:40 am
BOI
- MDW
1 stop5h 11m
Delta
Deal found 6/19![Delta logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 7/178:20 pm
ORD
- BOI
1 stop14h 20m
Alaska Airlines
Fri 7/244:27 pm
BOI
- ORD
1 stop6h 32m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 6/22. 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 7/255:25 am
MDW
- BOI
1 stop5h 20m
Southwest
Wed 7/295:30 am
BOI
- MDW
2 stops10h 45m
Southwest
Deal found 6/22![Southwest logo]()
$390
This Delta deal was found by Cheapflights users on 6/18. 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 8/157:48 am
ORD
- BOI
2 stops12h 00m
Delta
Wed 8/193:29 pm
BOI
- ORD
1 stop7h 00m
Delta
Deal found 6/18![Delta logo]()
$360
This Southwest deal was found by Cheapflights users on 6/22. 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 8/1411:40 am
MDW
- BOI
Nonstop3h 30m
Southwest
Fri 8/2112:10 pm
BOI
- MDW
Nonstop3h 20m
Southwest
Deal found 6/22![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 6/19. 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 7/212:02 pm
ORD
- BOI
2 stops9h 16m
Delta
Sat 7/256:00 am
BOI
- ORD
1 stop5h 00m
Delta
Deal found 6/19![Delta logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 7/178:20 pm
ORD
- BOI
1 stop14h 20m
Alaska Airlines
Mon 7/208:47 pm
BOI
- ORD
1 stop8h 33m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 6/22. 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 8/2711:40 am
MDW
- BOI
Nonstop3h 30m
Southwest
Sun 8/3012:30 pm
BOI
- MDW
Nonstop3h 20m
Southwest
Deal found 6/22![Southwest logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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.
Sat 10/36:00 am
ORD
- BOI
2 stops11h 23m
Alaska Airlines
Sat 10/36:01 pm
BOI
- ORD
1 stop11h 19m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 6/22. 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 8/317:00 am
ORD
- BOI
1 stop9h 18m
Delta
Sat 9/510:58 am
BOI
- ORD
2 stops9h 49m
Delta
Deal found 6/22![Delta logo]()
$385
This Southwest deal was found by Cheapflights users on 6/20. 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 7/412:50 pm
MDW
- BOI
1 stop8h 45m
Southwest
Tue 7/77:10 am
BOI
- MDW
Nonstop3h 20m
Southwest
Deal found 6/20![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 6/21. 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 11/246:00 am
ORD
- BOI
2 stops10h 30m
Delta
Tue 12/12:35 pm
BOI
- ORD
1 stop8h 11m
Delta
Deal found 6/21![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 6/22. 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 8/116:45 pm
ORD
- BOI
1 stop6h 14m
Delta
Fri 8/217:28 pm
BOI
- ORD
2 stops12h 02m
Delta
Deal found 6/22![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 6/22. 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 8/15:30 am
ORD
- BOI
2 stops11h 43m
Delta
Sat 8/85:30 am
BOI
- ORD
2 stops10h 21m
Delta
Deal found 6/22![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 6/21. 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 9/37:25 pm
MDW
- BOI
1 stop5h 34m
Delta
Sun 9/135:30 am
BOI
- MDW
1 stop6h 50m
Delta
Deal found 6/21![Delta logo]()
$415
This Delta deal was found by Cheapflights users on 6/21. 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 7/276:30 am
ORD
- BOI
1 stop8h 14m
Delta
Fri 7/3111:53 am
BOI
- ORD
1 stop6h 04m
Delta
Deal found 6/21![Delta logo]()
$415
Last-minute flights from Chicago to BoiseDiscover last-minute flight deals from Chicago to Boise. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Boise. Data last updated June 23, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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.
Sat 7/46:00 am
ORD
- BOI
1 stop9h 07m
Alaska Airlines
Tue 7/78:47 pm
BOI
- ORD
1 stop8h 33m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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.
Tue 7/148:20 pm
ORD
- BOI
1 stop14h 20m
Alaska Airlines
Tue 7/216:13 pm
BOI
- ORD
1 stop11h 07m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$357
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:57 pm
ORD
- BOI
1 stop15h 32m
Multiple Airlines
Fri 7/244:27 pm
BOI
- ORD
1 stop6h 32m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$342
This Expedia deal was found by Cheapflights users on 6/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:00 am
ORD
- BOI
1 stop9h 07m
Alaska Airlines
Sat 7/258:00 pm
BOI
- ORD
1 stop16h 21m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 6/19. 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 7/212:02 pm
ORD
- BOI
2 stops9h 16m
Delta
Sat 7/256:00 am
BOI
- ORD
1 stop5h 00m
Delta
Deal found 6/19![Delta logo]()
$360
This Southwest deal was found by Cheapflights users on 6/22. 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 7/255:25 am
MDW
- BOI
1 stop5h 20m
Southwest
Wed 7/293:00 pm
BOI
- MDW
1 stop7h 45m
Southwest
Deal found 6/22![Southwest logo]()
$355
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:00 am
ORD
- BOI
1 stop7h 19m
American Airlines
Wed 7/293:54 pm
BOI
- ORD
1 stop7h 56m
American Airlines
Deal found 6/22![American Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:30 am
ORD
- BOI
Nonstop3h 50m
American Airlines
Sat 8/13:12 pm
BOI
- ORD
Nonstop3h 52m
American Airlines
Deal found 6/19![American Airlines logo]()
$335
This Southwest deal was found by Cheapflights users on 6/19. 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 7/294:35 pm
MDW
- BOI
2 stops8h 55m
Southwest
Sat 8/15:10 pm
BOI
- MDW
1 stop6h 10m
Southwest
Deal found 6/19![Southwest logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 7/318:20 pm
ORD
- BOI
1 stop14h 17m
Alaska Airlines
Sat 8/88:00 pm
BOI
- ORD
1 stop16h 21m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3111:30 am
ORD
- BOI
Nonstop3h 50m
American Airlines
Sat 8/82:58 pm
BOI
- ORD
Nonstop3h 51m
American Airlines
Deal found 6/21![American Airlines logo]()
$365
This Trip.com deal was found by Cheapflights users on 6/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:20 am
ORD
- BOI
1 stop8h 26m
Alaska Airlines
Sun 8/237:48 pm
BOI
- ORD
1 stop9h 32m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$368
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 June 23, 2026.
Search for one-way flight options from Chicago to Boise. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This CheapOair deal was found by Cheapflights users on 6/23. 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.
Wed 8/129:57 pm
ORD
- BOI
1 stop15h 32m
Frontier
Deal found 6/23![Frontier logo]()
$136
This Frontier deal was found by Cheapflights users on 6/23. 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 9/216:50 am
ORD
- BOI
1 stop9h 07m
Frontier
Deal found 6/23![Frontier logo]()
$138
This CheapOair deal was found by Cheapflights users on 6/18. 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.
Sat 8/89:57 pm
ORD
- BOI
1 stop15h 32m
Frontier
Deal found 6/18![Frontier logo]()
$144
This CheapOair deal was found by Cheapflights users on 6/20. 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.
Mon 7/279:57 pm
ORD
- BOI
1 stop15h 32m
Frontier
Deal found 6/20![Frontier logo]()
$149
This CheapOair deal was found by Cheapflights users on 6/18. 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.
Sat 7/119:57 pm
ORD
- BOI
1 stop15h 32m
Frontier
Deal found 6/18![Frontier logo]()
$151
This Trip.com deal was found by Cheapflights users on 6/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/279:48 pm
ORD
- BOI
1 stop15h 42m
Frontier
Deal found 6/19![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 9/1410:40 pm
ORD
- BOI
1 stop14h 24m
Frontier
Deal found 6/20![Frontier logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 8/186:00 am
ORD
- BOI
1 stop7h 26m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 7/209:57 pm
ORD
- BOI
1 stop15h 32m
Frontier
Deal found 6/20![Frontier logo]()
$159
This Southwest deal was found by Cheapflights users on 6/19. 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 7/32:40 pm
MDW
- BOI
Nonstop3h 35m
Southwest
Deal found 6/19![Southwest logo]()
$163
This United Airlines deal was found by Cheapflights users on 6/18. 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 9/57:50 pm
ORD
- BOI
Nonstop4h 03m
United Airlines
Deal found 6/18![United Airlines logo]()
$163
This Delta deal was found by Cheapflights users on 6/22. 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 8/187:25 pm
MDW
- BOI
1 stop5h 34m
Delta
Deal found 6/22![Delta logo]()
$178
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 June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $335 (American Airlines) |
One-way from | $136 (CheapOair) |
Popular in | June |
Cheapest in | February |
Average price | $469 |
Good round-trip deal | $370 or less |
Good one-way deal | $243 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 June 23, 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 - BOI
MDWBOI
Chicago Midway
Sat 8/15
1:51 pm-8:52 pm
1 stop8h 01m
Boise Air Term. Gowen Fld
Wed 8/19
1:59 pm-10:36 pm
1 stop7h 37m
$355
ChicagoBoise
MDW - BOI
MDWBOI
Chicago Midway
Wed 8/26
6:40 am-10:55 am
1 stop5h 15m
Boise Air Term. Gowen Fld
Wed 9/2
2:25 pm-10:50 pm
1 stop7h 25m
$355
ChicagoBoise
MDW - BOI
MDWBOI
Chicago Midway
Tue 11/24
12:30 pm-8:17 pm
2 stops8h 47m
Boise Air Term. Gowen Fld
Tue 12/1
5:40 am-11:51 am
1 stop5h 11m
$360
ChicagoBoise
ORD - BOI
ORDBOI
Chicago O'Hare Intl
Sat 8/15
7:48 am-6:48 pm
2 stops12h 00m
Boise Air Term. Gowen Fld
Wed 8/19
3:29 pm-11:29 pm
1 stop7h 00m
$360
ChicagoBoise
ORD - BOI
ORDBOI
Chicago O'Hare Intl
Tue 7/21
2:02 pm-10:18 pm
2 stops9h 16m
Boise Air Term. Gowen Fld
Sat 7/25
6:00 am-12:00 pm
1 stop5h 00m
$360
ChicagoBoise
ORD - BOI
ORDBOI
Chicago O'Hare Intl
Mon 8/24
6:01 am-2:02 pm
1 stop9h 01m
Boise Air Term. Gowen Fld
Fri 8/28
2:17 pm-11:59 pm
1 stop8h 42m
$375
ChicagoBoise
ORD - BOI
ORDBOI
Chicago O'Hare Intl
Mon 8/31
7:00 am-3:18 pm
1 stop9h 18m
Boise Air Term. Gowen Fld
Sat 9/5
10:58 am-9:47 pm
2 stops9h 49m
$385
ChicagoBoise
ORD - BOI
ORDBOI
Chicago O'Hare Intl
Fri 7/17
8:20 pm-9:40 am
1 stop14h 20m
Boise Air Term. Gowen Fld
Fri 7/24
4:27 pm-11:59 pm
1 stop6h 32m
$387
ChicagoBoise
MDW - BOI
MDWBOI
Chicago Midway
Sat 7/25
5:25 am-9:45 am
1 stop5h 20m
Boise Air Term. Gowen Fld
Wed 7/29
5:30 am-5:15 pm
2 stops10h 45m
$390
ChicagoBoise
ORD - BOI
ORDBOI
Chicago O'Hare Intl
Tue 11/24
6:00 am-3:30 pm
2 stops10h 30m
Boise Air Term. Gowen Fld
Tue 12/1
2:35 pm-11:46 pm
1 stop8h 11m
$390
Showing 1-10 of 42 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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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
MDW-BOI
ORD-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
MDW-BOI
ORD-BOI
What is the cheapest month to book a flight from Chicago to Boise?
Currently, July is the cheapest month in which you can book a flight from Chicago to Boise (average of $91). Flying from Chicago to Boise in June is currently the most expensive (average of $279). 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 June 23, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 26% 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 June 23, 2026.
The most flights from CHI to BOI are scheduled on a Monday (8 on average). You will have fewer flight options on Thursday, 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?
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 62 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 June 23, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, 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.
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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 locationsMeridian
Nampa
Caldwell
Ontario
McCall
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Other flights to Boise
Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 23, 2026.
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Chicago and Boise flights
Browse other Chicago and Boise flight options. Last updated on June 23, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on June 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Chicago to Boise
Discover the top 4 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 June 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$450 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$268 | Average$406 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$279 | Average$394 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$439 | FlexibilityNo cancel fee | On-time63% |