$132+ Cheap flights from Boise (BOI) to Chicago (CHI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CHI
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Chicago 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 Boise Air Term. Gowen Fld to Chicago are usually found in February or November, booked 83 days in advance, depart on a Thursday or Wednesday and return on a Wednesday
Cheap flight deals from Boise to Chicago
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Cheapest flights from Boise to ChicagoExplore the most affordable flight options available from Boise to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Boise to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:55 pm -
1 stop8h 15m
Wed 11/255:19 am -
1 stop14h 41m
Deal found 9/26![Frontier logo]()
$295
This Cheapflightsfares deal was found by Cheapflights users on 9/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:56 pm -
1 stop9h 10m
Tue 12/296:11 am -
1 stop12h 50m
Deal found 9/24![Frontier logo]()
$304
This Frontier deal was found by Cheapflights users on 9/24. 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.
Tue 12/226:56 pm -
1 stop9h 10m
Mon 12/286:11 am -
1 stop12h 50m
Deal found 9/24![Frontier logo]()
$317
This Expedia deal was found by Cheapflights users on 9/27. 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.
Mon 10/262:50 pm -
1 stop13h 26m
Thu 10/293:49 pm -
1 stop9h 10m
Deal found 9/27![Multiple Airlines logo]()
$320
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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 11/46:43 pm -
1 stop17h 34m
Thu 11/127:57 pm -
1 stop18h 31m
Deal found 9/27![Alaska Airlines logo]()
$323
This Expedia deal was found by Cheapflights users on 9/27. 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.
Mon 10/262:50 pm -
1 stop13h 26m
Fri 10/303:49 pm -
1 stop9h 10m
Deal found 9/27![Multiple Airlines logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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 10/308:22 pm -
1 stop8h 18m
Tue 11/32:07 pm -
1 stop6h 59m
Deal found 9/24![Alaska Airlines logo]()
$331
This Cheapflightsfares deal was found by Cheapflights users on 9/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:50 pm -
1 stop13h 26m
Sun 10/113:30 pm -
1 stop23h 25m
Deal found 9/24![Frontier logo]()
$336
This Cheapflightsfares deal was found by Cheapflights users on 9/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/206:56 pm -
1 stop9h 10m
Wed 12/236:11 am -
1 stop12h 50m
Deal found 9/27![Frontier logo]()
$337
This Trip.com deal was found by Cheapflights users on 9/26. 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 10/162:50 pm -
1 stop13h 26m
Sun 10/183:30 pm -
1 stop23h 25m
Deal found 9/26![Frontier logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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 11/106:43 pm -
1 stop17h 34m
Tue 11/173:59 pm -
1 stop8h 50m
Deal found 9/24![Alaska Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 9/27. 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.
Mon 10/269:45 pm -
1 stop7h 05m
Thu 10/295:40 am -
1 stop6h 40m
Deal found 9/27![Southwest logo]()
$358
Best flights from Boise to ChicagoDiscover carefully curated flight deals from Boise to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Boise to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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 11/106:43 pm -
1 stop17h 34m
Tue 11/173:59 pm -
1 stop8h 50m
Deal found 9/27![Alaska Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:31 pm -
Nonstop3h 34m
Wed 11/118:40 am -
Nonstop3h 51m
Deal found 9/23![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 9/26. 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 11/175:30 am -
1 stop5h 20m
Wed 11/185:29 pm -
1 stop7h 30m
Deal found 9/26![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 9/25. 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.
Mon 11/93:55 pm -
1 stop5h 05m
Fri 11/135:20 pm -
2 stops6h 40m
Deal found 9/25![Southwest logo]()
$376
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:05 pm -
1 stop8h 54m
Sun 12/139:00 am -
1 stop7h 26m
Deal found 9/23![Alaska Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 9/25. 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 10/2411:32 am -
2 stops7h 58m
Sat 10/315:27 am -
1 stop9h 07m
Deal found 9/25![Delta logo]()
$368
This Southwest deal was found by Cheapflights users on 9/24. 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 11/111:05 pm -
2 stops7h 30m
Thu 11/1210:05 am -
2 stops7h 00m
Deal found 9/24![Southwest logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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 3/14:00 pm -
1 stop6h 59m
Fri 3/58:00 am -
1 stop8h 05m
Deal found 9/27![Alaska Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 9/24. 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 11/116:40 am -
2 stops9h 01m
Thu 11/126:49 am -
1 stop7h 50m
Deal found 9/24![Delta logo]()
$368
This Southwest deal was found by Cheapflights users on 9/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:20 am -
1 stop8h 45m
Fri 11/65:55 am -
1 stop5h 45m
Deal found 9/23![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 9/26. 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 11/171:41 pm -
1 stop9h 13m
Wed 11/185:05 pm -
2 stops7h 54m
Deal found 9/26![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 9/26. 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 12/262:10 pm -
1 stop8h 49m
Thu 12/316:00 am -
1 stop8h 25m
Deal found 9/26![Delta logo]()
$371
This Southwest deal was found by Cheapflights users on 9/26. 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 11/191:05 pm -
2 stops7h 30m
Tue 12/11:20 pm -
2 stops10h 55m
Deal found 9/26![Southwest logo]()
$428
This Delta deal was found by Cheapflights users on 9/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:40 am -
2 stops8h 59m
Tue 11/1712:30 pm -
2 stops10h 56m
Deal found 9/23![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 9/27. 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.
Sun 12/207:00 am -
2 stops9h 50m
Thu 12/241:20 pm -
2 stops10h 50m
Deal found 9/27![Southwest logo]()
$432
This Delta deal was found by Cheapflights users on 9/25. 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 11/911:10 pm -
2 stops10h 29m
Wed 11/112:44 pm -
2 stops10h 26m
Deal found 9/25![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 9/27. 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 10/1711:25 am -
1 stop6h 15m
Thu 10/227:15 pm -
1 stop7h 30m
Deal found 9/27![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 9/27. 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.
Sun 12/2010:20 pm -
1 stop6h 25m
Wed 12/232:35 pm -
1 stop11h 55m
Deal found 9/27![Southwest logo]()
$440
This Delta deal was found by Cheapflights users on 9/25. 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 10/105:30 am -
2 stops11h 30m
Wed 10/146:04 am -
1 stop8h 30m
Deal found 9/25![Delta logo]()
$444
Last-minute flights from Boise to ChicagoDiscover last-minute flight deals from Boise to Chicago. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Chicago. Data last updated September 28, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:50 pm -
1 stop13h 26m
Sun 10/113:30 pm -
1 stop23h 25m
Deal found 9/24![Frontier logo]()
$336
This Expedia deal was found by Cheapflights users on 9/24. 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.
Mon 10/122:50 pm -
1 stop13h 26m
Thu 10/155:46 pm -
1 stop7h 13m
Deal found 9/24![Multiple Airlines logo]()
$347
This Trip.com deal was found by Cheapflights users on 9/26. 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 10/162:50 pm -
1 stop13h 26m
Sun 10/183:30 pm -
1 stop23h 25m
Deal found 9/26![Frontier logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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.
Thu 10/222:06 pm -
1 stop8h 53m
Sun 10/256:00 am -
1 stop7h 35m
Deal found 9/24![Alaska Airlines logo]()
$351
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:18 pm -
1 stop12h 22m
Sat 10/313:49 pm -
1 stop19h 18m
Deal found 9/23![Alaska Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:08 am -
Nonstop3h 52m
Sat 10/318:40 am -
Nonstop3h 51m
Deal found 9/23![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 9/25. 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 10/245:30 am -
1 stop5h 17m
Sat 10/316:04 am -
1 stop8h 30m
Deal found 9/25![Delta logo]()
$363
This Expedia deal was found by Cheapflights users on 9/27. 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.
Mon 10/262:50 pm -
1 stop13h 26m
Thu 10/293:49 pm -
1 stop9h 10m
Deal found 9/27![Multiple Airlines logo]()
$320
This Expedia deal was found by Cheapflights users on 9/27. 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.
Mon 10/262:50 pm -
1 stop13h 26m
Fri 10/303:49 pm -
1 stop9h 10m
Deal found 9/27![Multiple Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 9/27. 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.
Mon 10/269:45 pm -
1 stop7h 05m
Thu 10/295:40 am -
1 stop6h 40m
Deal found 9/27![Southwest logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:22 pm -
1 stop8h 18m
Thu 10/299:00 am -
1 stop7h 23m
Deal found 9/23![Alaska Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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 10/308:22 pm -
1 stop8h 18m
Tue 11/32:07 pm -
1 stop6h 59m
Deal found 9/24![Alaska Airlines logo]()
$331
One-way flights from Boise to ChicagoSearch for one-way flight options from Boise to Chicago. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Boise to Chicago. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Frontier deal was found by Cheapflights users on 9/24. 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.
Tue 12/226:56 pm -
1 stop9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 9/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:49 pm -
1 stop13h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Frontier logo]()
$136
This Frontier deal was found by Cheapflights users on 9/28. 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.
Thu 10/292:49 pm -
1 stop13h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 9/24. 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.
Sun 11/227:55 pm -
1 stop8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Frontier logo]()
$140
This Cheapflightsfares deal was found by Cheapflights users on 9/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:56 pm -
1 stop9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Frontier logo]()
$154
This Frontier deal was found by Cheapflights users on 9/24. 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 12/216:56 pm -
1 stop9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Frontier logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 9/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:55 pm -
1 stop8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Frontier logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:22 pm -
1 stop8h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Alaska Airlines logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:50 pm -
1 stop13h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$164
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 11/96:43 pm -
1 stop17h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Alaska Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/262:50 pm -
2 stops19h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Frontier logo]()
$170
This Delta deal was found by Cheapflights users on 9/24. 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 10/2611:10 pm -
1 stop9h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Delta logo]()
$182
Find flight deals from Boise to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Chicago (CHI). 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 September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $295 (Cheapflightsfares) |
One-way from | $132 (Frontier) |
Popular in | March |
Cheapest in | February |
Average price | $417 |
Good round-trip deal | $385 or less |
Good one-way deal | $258 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Chicago 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 7,457,451 searches. Data last updated September 28, 2026.
Use the filters below to find and compare flights from Boise to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseChicago
BOI Boise Air Term. Gowen Fld - ORD Chicago O'Hare Intl
BOIORD
Boise Air Term. Gowen Fld
Tue 3/23
4:00 pm-11:59 pm
1 stop6h 59m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
BoiseChicago
BOI Boise Air Term. Gowen Fld - MDW Chicago Midway
BOIMDW
Boise Air Term. Gowen Fld
Wed 10/28
1:40 pm-10:33 pm
1 stop7h 53m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$182
BoiseChicago
BOI Boise Air Term. Gowen Fld - MDW Chicago Midway
BOIMDW
Boise Air Term. Gowen Fld
Thu 11/26
2:26 pm-10:54 pm
1 stop7h 28m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$182
BoiseChicago
BOI Boise Air Term. Gowen Fld - ORD Chicago O'Hare Intl
BOIORD
Boise Air Term. Gowen Fld
Mon 11/23
9:47 pm-5:56 am
1 stop7h 09m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$182
BoiseChicago
BOI Boise Air Term. Gowen Fld - ORD Chicago O'Hare Intl
BOIORD
Boise Air Term. Gowen Fld
Thu 12/24
2:05 pm-11:59 pm
1 stop8h 54m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$182
BoiseChicago
BOI Boise Air Term. Gowen Fld - MDW Chicago Midway
BOIMDW
Boise Air Term. Gowen Fld
Sat 10/24
6:45 am-4:47 pm
2 stops9h 02m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$187
BoiseChicago
BOI Boise Air Term. Gowen Fld - ORD Chicago O'Hare Intl
BOIORD
Boise Air Term. Gowen Fld
Wed 10/21
10:34 am-10:05 pm
2 stops10h 31m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$187
Quickest round-trip
BoiseChicago
BOI Boise Air Term. Gowen Fld - MDW Chicago Midway
BOIMDW
Boise Air Term. Gowen Fld
Sat 3/20
5:40 am-11:51 am
1 stop5h 11m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
BoiseChicago
BOI Boise Air Term. Gowen Fld - MDW Chicago Midway
BOIMDW
Boise Air Term. Gowen Fld
Mon 3/22
5:40 am-11:51 am
1 stop5h 11m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
BoiseChicago
BOI Boise Air Term. Gowen Fld - MDW Chicago Midway
BOIMDW
Boise Air Term. Gowen Fld
Fri 10/30
1:40 pm-10:33 pm
1 stop7h 53m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
Showing 1-10 of 37 resultsSorted by cheapest first
Compare providers for flights from Boise to Chicago
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 Boise to Chicago in September.
| 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 Boise-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Chicago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Chicago 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 Boise-Chicago 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 Boise to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Boise with our price prediction graph.
BOI-CHI
BOI-ORD
BOI-MDW
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 Boise to Chicago
BOI-CHI
BOI-ORD
BOI-MDW
What is the cheapest month to book a flight from Boise to Chicago?
Currently, February is the cheapest month in which you can book a flight from Boise to Chicago (average of $340). Flying from Boise to Chicago in March is currently the most expensive (average of $542). 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 BOI to CHI?
Find hourly flight availability from Boise to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 28, 2026.
It’s typically best to fly out from Boise to Chicago in the afternoon. Doing so could potentially save you 32% on the flight price compared to flying at noon, which is usually more expensive.
Weekly flight availability from Boise to Chicago
Explore weekly flight availability from Boise to Chicago. 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 September 28, 2026.
The most flights from BOI to CHI are scheduled on a Friday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Boise to Chicago?
Airfare is below average for this route at the moment.
Boise to Chicago flights typically cost between $359 and $433 in November.The cheapest round-trip price found within the last 5 days was $295 on Frontier (Nov 22-Nov 25).
How far ahead should I book a flight from Boise to Chicago?
To ensure you get the cheapest price possible for a flight from Boise to Chicago, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated September 28, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Boise to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Boise to Chicago. 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 Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Lansing
Merrillville
Valparaiso
Hammond
Saint Joseph
Porter
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Other flights to Chicago
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Complete your trip
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Search flights from Boise to Chicago by cabin class
Find flights from Boise to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Chicago flights
Browse other Boise and Chicago flight options. Last updated on September 28, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on September 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Boise to Chicago
Discover the top 5 airlines that operate flights from Boise to Chicago. 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 7,457,451 searches. Data last updated September 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$364 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$382 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$298 | Average$374 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$318 | Average$477 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$329 | Average$494 | FlexibilityNo cancel fee | On-time69% |