$96+ Cheap flights from Idaho to Chicago (CHI)
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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CHI
May 30 — Jun 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 April 30, 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 April 30, 2026.
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:33 pm
GEG
- ORD
1 stop5h 59m
Frontier
Thu 5/149:37 pm
ORD
- GEG
1 stop16h 01m
Frontier
Deal found 4/28![Frontier logo]()
$263
This Expedia deal was found by Cheapflights users on 4/27. 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.
Wed 5/2712:33 pm
GEG
- ORD
1 stop5h 59m
Multiple Airlines
Wed 6/32:10 pm
ORD
- GEG
1 stop9h 35m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$264
This American Airlines deal was found by Cheapflights users on 4/29. 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 10/241:43 pm
IDA
- ORD
Nonstop3h 17m
American Airlines
Sat 10/319:40 am
ORD
- IDA
Nonstop3h 40m
American Airlines
Deal found 4/29![American Airlines logo]()
$271
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:33 pm
GEG
- ORD
1 stop5h 59m
Multiple Airlines
Sat 6/63:28 pm
ORD
- GEG
1 stop7h 50m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:46 pm
GEG
- ORD
1 stop8h 13m
Alaska Airlines
Wed 6/37:40 am
ORD
- GEG
1 stop7h 24m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:00 am
GEG
- ORD
1 stop7h 32m
Alaska Airlines
Tue 6/27:40 am
ORD
- GEG
1 stop7h 24m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 4/26. 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.
Wed 5/276:00 am
IDA
- ORD
1 stop4h 52m
Delta
Tue 6/27:45 am
ORD
- IDA
1 stop7h 49m
Delta
Deal found 4/26![Delta logo]()
$291
This Expedia deal was found by Cheapflights users on 4/29. 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.
Wed 9/212:28 pm
GEG
- ORD
1 stop6h 25m
Multiple Airlines
Thu 9/107:00 pm
ORD
- GEG
1 stop6h 59m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2412:46 pm
GEG
- ORD
1 stop9h 13m
Alaska Airlines
Mon 6/16:00 am
ORD
- GEG
1 stop9h 04m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:08 pm
GEG
- ORD
Nonstop3h 59m
American Airlines
Wed 6/311:30 am
ORD
- GEG
Nonstop3h 54m
American Airlines
Deal found 4/28![American Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 4/29. 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 10/246:00 am
IDA
- ORD
2 stops9h 49m
Delta
Sat 10/3111:30 am
ORD
- IDA
2 stops11h 49m
Delta
Deal found 4/29![Delta logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/41:59 pm
GEG
- ORD
1 stop7h 00m
Alaska Airlines
Wed 6/106:00 am
ORD
- GEG
1 stop8h 29m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$306
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 April 30, 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 April 30, 2026.
This Southwest deal was found by Cheapflights users on 4/26. 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.
Tue 6/25:10 am
GEG
- MDW
1 stop7h 00m
Southwest
Tue 6/96:20 am
MDW
- GEG
1 stop7h 25m
Southwest
Deal found 4/26![Southwest logo]()
$317
This American Airlines deal was found by Cheapflights users on 4/30. 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 10/151:46 pm
JAC
- ORD
Nonstop3h 09m
American Airlines
Tue 10/209:45 am
ORD
- JAC
Nonstop3h 09m
American Airlines
Deal found 4/30![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 4/25. 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.
Wed 5/2010:40 pm
GEG
- ORD
1 stop7h 59m
Delta
Wed 6/108:36 am
ORD
- GEG
2 stops10h 21m
Delta
Deal found 4/25![Delta logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 9/294:14 pm
IDA
- ORD
1 stop6h 27m
Alaska Airlines
Thu 10/17:00 am
ORD
- IDA
1 stop7h 06m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/204:10 pm
GEG
- ORD
1 stop6h 48m
United Airlines
Sun 5/247:05 am
ORD
- GEG
1 stop7h 32m
United Airlines
Deal found 4/25![United Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:00 am
GEG
- ORD
2 stops11h 50m
Delta
Wed 6/32:00 pm
ORD
- GEG
2 stops10h 49m
Delta
Deal found 4/28![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 4/29. 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 7/223:00 pm
BOI
- MDW
1 stop7h 35m
Southwest
Sat 8/82:05 pm
MDW
- BOI
1 stop8h 55m
Southwest
Deal found 4/29![Southwest logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:23 pm
GEG
- ORD
1 stop8h 36m
Alaska Airlines
Tue 10/132:54 pm
ORD
- GEG
1 stop10h 53m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/192:31 pm
IDA
- ORD
1 stop7h 27m
United Airlines
Sun 5/245:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Deal found 4/29![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 4/25. 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.
Wed 5/205:35 am
GEG
- MDW
2 stops10h 58m
Delta
Sun 5/249:23 am
MDW
- GEG
1 stop5h 48m
Delta
Deal found 4/25![Delta logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Sat 8/2212:46 pm
GEG
- ORD
1 stop8h 55m
Alaska Airlines
Thu 8/279:00 am
ORD
- GEG
1 stop7h 47m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 4/30. 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 10/164:25 pm
JAC
- ORD
1 stop6h 32m
United Airlines
Tue 10/209:00 am
ORD
- JAC
Nonstop3h 22m
United Airlines
Deal found 4/30![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:55 am
GEG
- ORD
2 stops9h 25m
Delta
Mon 5/257:45 pm
ORD
- GEG
1 stop5h 50m
Delta
Deal found 4/28![Delta logo]()
$331
This Southwest deal was found by Cheapflights users on 4/29. 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 7/238:45 am
BOI
- MDW
Nonstop3h 20m
Southwest
Sat 8/82:05 pm
MDW
- BOI
1 stop8h 55m
Southwest
Deal found 4/29![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:08 pm
GEG
- ORD
2 stops10h 57m
Delta
Sat 6/137:45 am
ORD
- GEG
1 stop6h 30m
Delta
Deal found 4/27![Delta logo]()
$331
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/134:14 pm
IDA
- ORD
1 stop11h 46m
Alaska Airlines
Mon 7/208:05 pm
ORD
- IDA
1 stop20h 32m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:25 am
GEG
- MDW
Nonstop3h 30m
Southwest
Sun 6/145:25 am
MDW
- GEG
1 stop8h 20m
Southwest
Deal found 4/28![Southwest logo]()
$397
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/254:23 pm
JAC
- ORD
1 stop7h 21m
United Airlines
Mon 6/14:21 pm
ORD
- JAC
Nonstop3h 21m
United Airlines
Deal found 4/25![United Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 4/29. 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 6/2310:29 am
BOI
- MDW
1 stop6h 49m
Delta
Tue 6/301:49 pm
MDW
- BOI
1 stop8h 06m
Delta
Deal found 4/29![Delta logo]()
$335
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:04 pm
IDA
- ORD
1 stop6h 53m
United Airlines
Mon 10/55:00 am
ORD
- IDA
1 stop5h 53m
United Airlines
Deal found 4/27![United Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 4/29. 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 6/63:16 pm
IDA
- ORD
1 stop5h 34m
Delta
Wed 6/107:45 am
ORD
- IDA
1 stop7h 52m
Delta
Deal found 4/29![Delta logo]()
$335
This Southwest deal was found by Cheapflights users on 4/27. 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.
Wed 6/2412:25 pm
GEG
- MDW
1 stop8h 40m
Southwest
Mon 6/294:55 pm
MDW
- GEG
1 stop9h 35m
Southwest
Deal found 4/27![Southwest logo]()
$422
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/205:54 pm
IDA
- ORD
1 stop5h 50m
United Airlines
Sun 6/215:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Deal found 4/26![United Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 4/26. 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.
Wed 7/810:29 am
BOI
- MDW
1 stop6h 49m
Delta
Tue 7/141:49 pm
MDW
- BOI
2 stops11h 16m
Delta
Deal found 4/26![Delta logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:03 pm
IDA
- ORD
2 stops13h 17m
Alaska Airlines
Sun 5/2412:14 pm
ORD
- IDA
2 stops11h 39m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 4/29. 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 5/285:20 am
BOI
- ORD
2 stops11h 45m
Delta
Tue 6/27:12 am
ORD
- BOI
1 stop8h 29m
Delta
Deal found 4/29![Delta logo]()
$340
This United Airlines deal was found by Cheapflights users on 4/29. 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 8/274:25 pm
JAC
- ORD
1 stop5h 16m
United Airlines
Mon 8/319:00 am
ORD
- JAC
Nonstop3h 22m
United Airlines
Deal found 4/29![United Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 6/21:54 pm
IDA
- ORD
1 stop8h 05m
Alaska Airlines
Sun 6/77:40 am
ORD
- IDA
1 stop8h 46m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:59 pm
GEG
- MDW
2 stops10h 38m
Delta
Sat 7/189:49 am
MDW
- GEG
1 stop5h 32m
Delta
Deal found 4/28![Delta logo]()
$340
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:10 pm
IDA
- ORD
1 stop5h 39m
United Airlines
Sun 5/245:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Deal found 4/28![United Airlines logo]()
$419
Last-minute flights from Idaho to ChicagoDiscover last-minute flight deals from Idaho to Chicago. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Chicago. Data last updated April 30, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:33 pm
GEG
- ORD
1 stop5h 59m
Frontier
Thu 5/149:37 pm
ORD
- GEG
1 stop16h 01m
Frontier
Deal found 4/28![Frontier logo]()
$263
This Delta deal was found by Cheapflights users on 4/25. 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.
Wed 5/205:35 am
GEG
- MDW
2 stops10h 58m
Delta
Tue 5/267:13 pm
MDW
- GEG
1 stop5h 53m
Delta
Deal found 4/25![Delta logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2412:46 pm
GEG
- ORD
1 stop9h 13m
Alaska Airlines
Mon 6/16:00 am
ORD
- GEG
1 stop9h 04m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:00 am
GEG
- ORD
1 stop7h 32m
Alaska Airlines
Tue 6/27:40 am
ORD
- GEG
1 stop7h 24m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$286
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 5/252:08 pm
GEG
- ORD
Nonstop3h 59m
American Airlines
Tue 6/211:24 am
ORD
- GEG
Nonstop3h 57m
American Airlines
Deal found 4/29![American Airlines logo]()
$306
This Expedia deal was found by Cheapflights users on 4/30. 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.
Tue 5/261:59 pm
GEG
- ORD
1 stop7h 00m
Alaska Airlines
Tue 6/26:00 am
ORD
- GEG
1 stop9h 04m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 4/26. 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 5/266:00 am
IDA
- ORD
1 stop4h 52m
Delta
Tue 6/27:45 am
ORD
- IDA
1 stop7h 49m
Delta
Deal found 4/26![Delta logo]()
$310
This Expedia deal was found by Cheapflights users on 4/27. 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.
Wed 5/2712:33 pm
GEG
- ORD
1 stop5h 59m
Multiple Airlines
Wed 6/32:10 pm
ORD
- GEG
1 stop9h 35m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$264
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:33 pm
GEG
- ORD
1 stop5h 59m
Multiple Airlines
Sat 6/63:28 pm
ORD
- GEG
1 stop7h 50m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$273
This Delta deal was found by Cheapflights users on 4/26. 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.
Wed 5/276:00 am
IDA
- ORD
1 stop4h 52m
Delta
Tue 6/27:45 am
ORD
- IDA
1 stop7h 49m
Delta
Deal found 4/26![Delta logo]()
$291
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:08 pm
GEG
- ORD
Nonstop3h 59m
American Airlines
Wed 6/311:30 am
ORD
- GEG
Nonstop3h 54m
American Airlines
Deal found 4/28![American Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:49 pm
JAC
- ORD
Nonstop3h 25m
American Airlines
Sun 5/311:16 pm
ORD
- JAC
Nonstop3h 14m
American Airlines
Deal found 4/28![American Airlines logo]()
$319
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 April 30, 2026.
Search for one-way flight options from Idaho to Chicago. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:25 pm
BOI
- ORD
1 stop30h 07m
Frontier
Deal found 4/26![Frontier logo]()
$96
This Frontier deal was found by Cheapflights users on 4/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:25 pm
BOI
- ORD
1 stop6h 18m
Frontier
Deal found 4/25![Frontier logo]()
$105
This Priceline deal was found by Cheapflights users on 4/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:25 pm
BOI
- ORD
1 stop6h 07m
Frontier
Deal found 4/26![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:33 pm
GEG
- ORD
1 stop5h 59m
Frontier
Deal found 4/27![Frontier logo]()
$125
This Priceline deal was found by Cheapflights users on 4/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:33 pm
GEG
- ORD
1 stop5h 59m
Frontier
Deal found 4/26![Frontier logo]()
$126
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 5/2612:46 pm
GEG
- ORD
1 stop9h 13m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$139
This Frontier deal was found by Cheapflights users on 4/29. 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 6/231:25 pm
BOI
- ORD
1 stop6h 18m
Frontier
Deal found 4/29![Frontier logo]()
$145
This Frontier deal was found by Cheapflights users on 4/28. 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.
Wed 7/2212:34 pm
GEG
- ORD
1 stop6h 18m
Frontier
Deal found 4/28![Frontier logo]()
$145
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:00 pm
IDA
- ORD
1 stop6h 41m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/261:25 pm
BOI
- MDW
2 stops31h 37m
Frontier
Deal found 4/27![Frontier logo]()
$148
This CheapOair deal was found by Cheapflights users on 4/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:51 pm
BOI
- ORD
1 stop8h 29m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$148
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 5/255:00 am
GEG
- ORD
1 stop6h 22m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$148
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 April 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $263 (Trip.com) |
One-way from | $96 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $411 |
Good round-trip deal | $444 or less |
Good one-way deal | $174 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 2,558,603 searches. Data last updated April 30, 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
SpokaneChicago
GEG - MDW
GEGMDW
Spokane
Tue 6/2
5:10 am-2:10 pm
1 stop7h 00m
Chicago Midway
Tue 6/9
6:20 am-11:45 am
1 stop7h 25m
$317
Quickest round-trip
JacksonChicago
JAC - ORD
JACORD
Jackson Hole
Thu 10/15
1:46 pm-5:55 pm
Nonstop3h 09m
Chicago O'Hare Intl
Tue 10/20
9:45 am-11:54 am
Nonstop3h 09m
$319
SpokaneChicago
GEG - ORD
GEGORD
Spokane
Wed 5/20
10:40 pm-8:39 am
1 stop7h 59m
Chicago O'Hare Intl
Wed 6/10
8:36 am-4:57 pm
2 stops10h 21m
$322
SpokaneChicago
GEG - ORD
GEGORD
Spokane
Wed 5/27
5:00 am-6:50 pm
2 stops11h 50m
Chicago O'Hare Intl
Wed 6/3
2:00 pm-10:49 pm
2 stops10h 49m
$327
Idaho FallsChicago
IDA - ORD
IDAORD
Idaho Falls Fanning Field
Tue 9/29
4:14 pm-11:41 pm
1 stop6h 27m
Chicago O'Hare Intl
Thu 10/1
7:00 am-1:06 pm
1 stop7h 06m
$329
SpokaneChicago
GEG - MDW
GEGMDW
Spokane
Wed 5/20
5:35 am-6:33 pm
2 stops10h 58m
Chicago Midway
Sun 5/24
9:23 am-1:11 pm
1 stop5h 48m
$331
SpokaneChicago
GEG - ORD
GEGORD
Spokane
Wed 5/20
9:55 am-9:20 pm
2 stops9h 25m
Chicago O'Hare Intl
Mon 5/25
7:45 pm-11:35 pm
1 stop5h 50m
$331
SpokaneChicago
GEG - ORD
GEGORD
Spokane
Tue 6/9
7:08 pm-8:05 am
2 stops10h 57m
Chicago O'Hare Intl
Sat 6/13
7:45 am-12:15 pm
1 stop6h 30m
$331
SpokaneChicago
GEG - ORD
GEGORD
Spokane
Wed 5/20
4:10 pm-12:58 am
1 stop6h 48m
Chicago O'Hare Intl
Sun 5/24
7:05 am-12:37 pm
1 stop7h 32m
$335
BoiseChicago
BOI - MDW
BOIMDW
Boise Air Term. Gowen Fld
Wed 7/22
3:00 pm-11:35 pm
1 stop7h 35m
Chicago Midway
Sat 8/8
2:05 pm-10:00 pm
1 stop8h 55m
$335
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.
GEG-MDW
JAC-ORD
GEG-ORD
IDA-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 Idaho to Chicago
USID-CHI
GEG-MDW
JAC-ORD
GEG-ORD
IDA-ORD
How far ahead should I book a flight from Idaho to Chicago?
Booking 57 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.
What is the cheapest month to book a flight from Idaho to Chicago?
Currently, May is the cheapest month in which you can book a flight from Idaho to Chicago (average of $87). Flying from Idaho to Chicago in March is currently the most expensive (average of $268). 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 April 30, 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 35% versus a flight in the evening.
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 April 30, 2026.
The most flights from USID to CHI are scheduled on a Wednesday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Idaho to Chicago?
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
Lansing
Merrillville
Hammond
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
Popular flights
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 April 30, 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 April 30, 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 2,558,603 searches. Data last updated April 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$335 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$233 | Average$383 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$239 | Average$449 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$374 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$269 | Average$392 | FlexibilityNo cancel fee | On-time71% |