$118+ Cheap flights from Idaho 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CHI
Dec 7 — Dec 141
Round-trip
1 adult, Economy
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Find cheap flights from Idaho 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.Cheap flight deals from Idaho to Chicago
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Cheapest flights from Idaho to ChicagoExplore the most affordable flight options available from Idaho to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2026.
Explore the most affordable flight options available from Idaho to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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 12/47:56 pm -
1 stop8h 03m
Thu 12/106:21 am -
1 stop11h 59m
Deal found 11/4![Frontier logo]()
$262
This Priceline deal was found by Cheapflights users on 11/4. 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 12/47:56 pm -
1 stop8h 03m
Wed 12/99:00 am -
1 stop7h 26m
Deal found 11/4![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/141:45 pm -
1 stop14h 16m
Thu 1/74:34 pm -
2 stops20h 26m
Deal found 11/6![Multiple Airlines logo]()
$298
This Priceline deal was found by Cheapflights users on 11/3. 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.
Thu 12/37:22 am -
1 stop10h 38m
Thu 12/106:21 am -
1 stop11h 59m
Deal found 11/3![Multiple Airlines logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/37:22 am -
1 stop10h 38m
Sat 12/53:19 pm -
1 stop9h 40m
Deal found 11/3![Alaska Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/47:18 pm -
2 stops28h 36m
Thu 12/106:21 am -
1 stop11h 59m
Deal found 11/4![Multiple Airlines logo]()
$329
This Trip.com deal was found by Cheapflights users on 11/3. 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.
Thu 11/268:07 am -
1 stop8h 49m
Sat 12/55:46 pm -
1 stop7h 13m
Deal found 11/3![Alaska Airlines logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/132:08 pm -
1 stop7h 02m
Deal found 11/4![Alaska Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/31:39 pm -
Nonstop3h 38m
Thu 12/1010:00 am -
Nonstop3h 59m
Deal found 11/3![American Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/147:58 pm -
1 stop8h 03m
Thu 1/76:10 am -
2 stops37h 48m
Deal found 11/2![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/47:56 pm -
1 stop8h 03m
Wed 12/910:00 am -
2 stops32h 20m
Deal found 11/4![Frontier logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sun 12/1312:08 pm -
1 stop21h 16m
Thu 1/76:10 am -
2 stops37h 48m
Deal found 11/2![Multiple Airlines logo]()
$347
Best flights from Idaho to ChicagoDiscover carefully curated flight deals from Idaho to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 7, 2026.
Discover carefully curated flight deals from Idaho to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/141:45 pm -
1 stop14h 16m
Thu 1/74:34 pm -
2 stops20h 26m
Deal found 11/6![Multiple Airlines logo]()
$298
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/256:31 am -
1 stop6h 50m
Fri 1/16:00 am -
1 stop9h 18m
Deal found 11/3![Alaska Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 12/24:10 pm -
1 stop6h 49m
Wed 12/910:55 am -
1 stop5h 34m
Deal found 11/2![United Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 11/5. 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 12/51:45 pm -
1 stop6h 30m
Sat 12/125:05 am -
1 stop7h 00m
Deal found 11/5![Southwest logo]()
$363
This Delta deal was found by Cheapflights users on 11/2. 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 12/26:59 pm -
2 stops12h 50m
Wed 12/97:25 am -
1 stop5h 52m
Deal found 11/2![Delta logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/132:08 pm -
1 stop7h 02m
Deal found 11/3![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 11/5. 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 12/58:59 am -
2 stops11h 36m
Sat 12/124:00 pm -
1 stop7h 24m
Deal found 11/5![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 3/56:00 am -
1 stop7h 21m
Deal found 11/4![Alaska Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 11/6. 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 5/29:00 pm -
1 stop7h 40m
Fri 5/75:15 am -
1 stop7h 15m
Deal found 11/6![Southwest logo]()
$404
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/2512:49 pm -
Nonstop3h 40m
Fri 1/18:45 am -
Nonstop4h 23m
Deal found 11/4![United Airlines logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 4/53:45 pm -
1 stop7h 14m
Fri 4/95:55 pm -
1 stop7h 01m
Deal found 11/5![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 11/5. 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 3/244:05 pm -
1 stop6h 41m
Sun 3/286:30 am -
1 stop10h 00m
Deal found 11/5![Delta logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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 12/304:59 pm -
1 stop11h 41m
Mon 1/47:00 am -
1 stop16h 51m
Deal found 11/7![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 11/7. 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 1/1410:45 am -
2 stops8h 47m
Mon 1/186:00 am -
1 stop8h 10m
Deal found 11/7![Delta logo]()
$414
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/144:30 pm -
1 stop6h 29m
Wed 11/187:00 am -
1 stop7h 28m
Deal found 11/4![United Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 11/7. 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 12/256:20 am -
1 stop6h 55m
Sun 1/35:15 pm -
1 stop9h 20m
Deal found 11/7![Southwest logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 12/121:54 pm -
1 stop9h 05m
Fri 1/16:00 am -
1 stop10h 18m
Deal found 11/2![Alaska Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 11/7. 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 11/255:30 am -
2 stops11h 34m
Wed 12/25:30 pm -
1 stop7h 40m
Deal found 11/7![Delta logo]()
$433
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Thu 2/412:49 pm -
Nonstop3h 40m
Mon 2/88:45 am -
Nonstop4h 23m
Deal found 11/7![United Airlines logo]()
$519
This Southwest deal was found by Cheapflights users on 11/4. 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 12/237:15 pm -
1 stop8h 10m
Sat 1/28:05 pm -
1 stop6h 35m
Deal found 11/4![Southwest logo]()
$527
This Delta deal was found by Cheapflights users on 11/4. 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 11/265:30 am -
2 stops12h 35m
Tue 12/112:58 pm -
1 stop6h 40m
Deal found 11/4![Delta logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 12/141:54 pm -
1 stop9h 05m
Wed 1/68:00 am -
1 stop8h 21m
Deal found 11/2![Alaska Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 11/5. 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 3/11:53 pm -
1 stop9h 02m
Fri 3/59:49 am -
2 stops11h 45m
Deal found 11/5![Delta logo]()
$441
This Southwest deal was found by Cheapflights users on 11/3. 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 11/195:45 am -
1 stop8h 15m
Thu 11/194:10 pm -
1 stop8h 05m
Deal found 11/3![Southwest logo]()
$549
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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 12/33:44 pm -
1 stop20h 26m
Tue 12/82:08 pm -
1 stop24h 09m
Deal found 11/7![Alaska Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 11/4. 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 1/212:35 pm -
1 stop10h 40m
Mon 1/45:40 pm -
2 stops8h 50m
Deal found 11/4![Southwest logo]()
$569
This Delta deal was found by Cheapflights users on 11/6. 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.
Fri 12/1112:19 pm -
2 stops9h 38m
Mon 12/145:55 pm -
1 stop7h 09m
Deal found 11/6![Delta logo]()
$480
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 11/141:53 pm -
1 stop9h 06m
Tue 11/177:00 am -
1 stop9h 18m
Deal found 11/2![Alaska Airlines logo]()
$460
This Southwest deal was found by Cheapflights users on 11/4. 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 11/205:35 am -
2 stops8h 20m
Tue 11/244:00 pm -
1 stop10h 10m
Deal found 11/4![Southwest logo]()
$596
This Delta deal was found by Cheapflights users on 11/3. 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.
Fri 12/255:36 am -
2 stops11h 08m
Sat 1/211:47 am -
2 stops11h 18m
Deal found 11/3![Delta logo]()
$494
Last-minute flights from Idaho to ChicagoDiscover last-minute flight deals from Idaho to Chicago. Data last updated November 7, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Chicago. Data last updated November 7, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 11/3. 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.
Thu 11/268:07 am -
1 stop8h 49m
Sat 12/55:46 pm -
1 stop7h 13m
Deal found 11/3![Alaska Airlines logo]()
$331
This Priceline deal was found by Cheapflights users on 11/3. 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.
Thu 12/37:22 am -
1 stop10h 38m
Thu 12/106:21 am -
1 stop11h 59m
Deal found 11/3![Multiple Airlines logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/37:22 am -
1 stop10h 38m
Sat 12/53:19 pm -
1 stop9h 40m
Deal found 11/3![Alaska Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/31:39 pm -
Nonstop3h 38m
Thu 12/1010:00 am -
Nonstop3h 59m
Deal found 11/3![American Airlines logo]()
$343
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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 12/47:56 pm -
1 stop8h 03m
Thu 12/106:21 am -
1 stop11h 59m
Deal found 11/4![Frontier logo]()
$262
This Priceline deal was found by Cheapflights users on 11/4. 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 12/47:56 pm -
1 stop8h 03m
Wed 12/99:00 am -
1 stop7h 26m
Deal found 11/4![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/47:18 pm -
2 stops28h 36m
Thu 12/106:21 am -
1 stop11h 59m
Deal found 11/4![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/47:56 pm -
1 stop8h 03m
Wed 12/910:00 am -
2 stops32h 20m
Deal found 11/4![Frontier logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/132:08 pm -
1 stop7h 02m
Deal found 11/3![Alaska Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sun 12/1312:08 pm -
1 stop21h 16m
Thu 1/76:10 am -
2 stops37h 48m
Deal found 11/2![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/141:45 pm -
1 stop14h 16m
Thu 1/74:34 pm -
2 stops20h 26m
Deal found 11/6![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/147:58 pm -
1 stop8h 03m
Thu 1/76:10 am -
2 stops37h 48m
Deal found 11/2![Multiple Airlines logo]()
$343
One-way flights from Idaho to ChicagoSearch for one-way flight options from Idaho to Chicago. Find affordable one-way fares based on user searches. Data last updated November 7, 2026.
Search for one-way flight options from Idaho to Chicago. Find affordable one-way fares based on user searches. Data last updated November 7, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 11/3![Frontier logo]()
$118
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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 12/47:56 pm -
1 stop8h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$130
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Mon 12/76:15 pm -
1 stop9h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$136
This Priceline deal was found by Cheapflights users on 11/5. 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 12/255:33 pm -
1 stop11h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$138
This Priceline deal was found by Cheapflights users on 11/5. 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.
Sat 11/217:55 pm -
1 stop8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 2/227:53 pm -
2 stops20h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/47:18 pm -
2 stops28h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$155
This Priceline deal was found by Cheapflights users on 11/3. 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.
Tue 12/84:10 pm -
1 stop6h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Alaska Airlines logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 11/192:49 pm -
1 stop13h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$164
This American Airlines deal was found by Cheapflights users on 11/3. 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 12/81:39 pm -
Nonstop3h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![American Airlines logo]()
$172
This Southwest deal was found by Cheapflights users on 11/4. 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 12/47:20 am -
1 stop8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Southwest logo]()
$182
This Delta deal was found by Cheapflights users on 11/5. 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 2/95:30 am -
2 stops11h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Delta logo]()
$187
Find flight deals from Idaho to Chicago
Keep the following information in mind while searching for Idaho to Chicago flight deals. Data was last updated November 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $262 (Cheapflightsfares) |
One-way from | $118 (Cheapflightsfares) |
Popular in | March |
Cheapest in | February |
Average price | $431 |
Good round-trip deal | $419 or less |
Good one-way deal | $264 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho 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 November 7, 2026.
Use the filters below to find and compare flights from Idaho 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
Wed 11/25
7:55 pm-5:10 am
1 stop8h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$176
BoiseChicago
BOI Boise Air Term. Gowen Fld - MDW Chicago Midway
BOIMDW
Boise Air Term. Gowen Fld
Mon 12/7
3:45 pm-12:15 am
1 stop7h 30m
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
Tue 12/8
1:47 pm-10:54 pm
1 stop8h 07m
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
Fri 12/4
7:20 am-5:10 pm
1 stop8h 50m
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
Fri 11/27
5:30 am-2:55 pm
1 stop8h 25m
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
Tue 2/9
11:40 am-8:10 pm
1 stop7h 30m
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
Fri 2/26
8:49 am-9:55 pm
2 stops12h 06m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$187
BoiseChicago
BOI Boise Air Term. Gowen Fld - MDW Chicago Midway
BOIMDW
Boise Air Term. Gowen Fld
Tue 12/8
7:20 am-5:25 pm
2 stops9h 05m
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
Mon 12/7
6:35 am-4:43 pm
2 stops9h 08m
Chicago O'Hare Intl
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
Tue 12/8
10:25 am-9:35 pm
2 stops10h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$187
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Idaho with our price prediction graph.
TWF-ORD
BOI-ORD
IDA-ORD
BOI-MDW
SUN-ORD
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 Idaho to Chicago
USID-CHI
TWF-ORD
BOI-ORD
IDA-ORD
BOI-MDW
What is the cheapest month to book a flight from Idaho to Chicago?
Currently, February is the cheapest month in which you can book a flight from Idaho to Chicago (average of $340). Flying from Idaho to Chicago in October is currently the most expensive (average of $494). 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 ID to CHI?
Find hourly flight availability from Idaho 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 November 7, 2026.
When flying from Idaho to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 32% versus a flight in the morning.
Weekly flight availability from Idaho to Chicago
Explore weekly flight availability from Idaho 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 November 7, 2026.
The most flights from USID to CHI are scheduled on a Monday (9 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 Idaho to Chicago?
Airfare is below average for this route at the moment.
Idaho to Chicago flights typically cost between $353 and $439 in December.The cheapest round-trip price found within the last 5 days was $262 on Frontier (Dec 4-Dec 10).
How far ahead should I book a flight from Idaho to Chicago?
Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Idaho to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Idaho 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
Merrillville
Lansing
Valparaiso
Hammond
Saint Joseph
Porter
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Chicago flight routes
Complete your trip
Flights by cabin class
Other flight options
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Top destinations
Alternative routes for Idaho to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 7, 2026.
Complete your trip
Complete your trip to Chicago by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Chicago by cabin class
Find flights from Idaho to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Chicago flights
Browse other Idaho and Chicago flight options. Last updated on November 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Idaho to Chicago flights
Consider these flights traveling from Idaho to Chicago.
Top 5 airlines flying from Idaho to Chicago
Discover the top 5 airlines that operate flights from Idaho 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 November 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$191 | Average$374 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$253 | Average$414 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$422 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$328 | Average$483 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$334 | Average$477 | FlexibilityNo cancel fee | On-time63% |