$153+ Cheap flights from Chicago (CHI) to Idaho Falls (IDA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IDA
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Idaho Falls 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 Chicago to Idaho Falls
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Cheapest flights from Chicago to Idaho FallsExplore the most affordable flight options available from Chicago to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
Explore the most affordable flight options available from Chicago to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
This Delta deal was found by Cheapflights users on 6/29. 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.
Wed 8/122:00 pm
ORD
- IDA
1 stop5h 20m
Delta
Wed 8/1911:35 am
IDA
- ORD
1 stop5h 44m
Delta
Deal found 6/29![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 6/29. 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.
Wed 8/122:00 pm
ORD
- IDA
1 stop5h 20m
Delta
Tue 8/1811:35 am
IDA
- ORD
2 stops9h 12m
Delta
Deal found 6/29![Delta logo]()
$296
This Delta deal was found by Cheapflights users on 6/29. 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.
Wed 8/122:00 pm
ORD
- IDA
1 stop5h 20m
Delta
Thu 8/206:00 am
IDA
- ORD
1 stop4h 59m
Delta
Deal found 6/29![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 6/26. 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 8/118:05 am
ORD
- IDA
2 stops11h 15m
Delta
Mon 8/173:17 pm
IDA
- ORD
1 stop5h 13m
Delta
Deal found 6/26![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 6/29. 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.
Fri 8/142:00 pm
ORD
- IDA
1 stop5h 20m
Delta
Sun 8/1611:35 am
IDA
- ORD
1 stop5h 44m
Delta
Deal found 6/29![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:00 pm
ORD
- IDA
2 stops9h 20m
Delta
Mon 10/261:05 pm
IDA
- ORD
1 stop7h 55m
Delta
Deal found 6/30![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 6/28. 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.
Sat 8/227:48 am
ORD
- IDA
1 stop7h 47m
Delta
Sat 8/296:00 am
IDA
- ORD
1 stop4h 59m
Delta
Deal found 6/28![Delta logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:29 am
ORD
- IDA
1 stop9h 36m
Multiple Airlines
Fri 8/215:33 pm
IDA
- ORD
2 stops19h 03m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 7/255:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Sat 8/15:54 pm
IDA
- ORD
1 stop5h 50m
United Airlines
Deal found 6/30![United Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 6/29. 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 8/119:59 am
MDW
- IDA
2 stops13h 33m
Delta
Tue 8/187:00 pm
IDA
- MDW
2 stops12h 39m
Delta
Deal found 6/29![Delta logo]()
$445
This Delta deal was found by Cheapflights users on 6/29. 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 8/119:59 am
MDW
- IDA
2 stops13h 33m
Delta
Wed 8/197:00 pm
IDA
- MDW
2 stops12h 39m
Delta
Deal found 6/29![Delta logo]()
$470
This Delta deal was found by Cheapflights users on 6/27. 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 6/309:54 am
MDW
- IDA
2 stops9h 23m
Delta
Sat 7/46:00 am
IDA
- MDW
2 stops13h 02m
Delta
Deal found 6/27![Delta logo]()
$543
Best flights from Chicago to Idaho FallsDiscover carefully curated flight deals from Chicago to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from Chicago to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
This Delta deal was found by Cheapflights users on 6/28. 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 8/262:00 pm
ORD
- IDA
1 stop5h 20m
Delta
Sat 8/2911:35 am
IDA
- ORD
2 stops11h 22m
Delta
Deal found 6/28![Delta logo]()
$296
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 7/255:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Sat 8/15:54 pm
IDA
- ORD
1 stop5h 50m
United Airlines
Deal found 6/30![United Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:59 pm
ORD
- IDA
1 stop8h 43m
Alaska Airlines
Sat 11/146:04 am
IDA
- ORD
1 stop10h 33m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 6/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:45 am
ORD
- IDA
Nonstop3h 43m
American Airlines
Sun 9/201:58 pm
IDA
- ORD
Nonstop3h 37m
American Airlines
Deal found 6/26![American Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 6/26. 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.
Fri 9/42:00 pm
ORD
- IDA
1 stop5h 20m
Delta
Mon 9/76:00 am
IDA
- ORD
1 stop4h 59m
Delta
Deal found 6/26![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 6/29. 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.
Fri 10/232:00 pm
ORD
- IDA
2 stops9h 20m
Delta
Mon 10/261:05 pm
IDA
- ORD
1 stop7h 55m
Delta
Deal found 6/29![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 7/119:00 am
ORD
- IDA
Nonstop3h 45m
United Airlines
Sat 7/182:30 pm
IDA
- ORD
1 stop6h 09m
United Airlines
Deal found 6/30![United Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 6/28. 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.
Sat 8/227:48 am
ORD
- IDA
1 stop7h 47m
Delta
Sat 8/296:00 am
IDA
- ORD
1 stop4h 59m
Delta
Deal found 6/28![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 6/27. 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 9/152:05 pm
ORD
- IDA
1 stop5h 12m
Delta
Sun 9/201:05 pm
IDA
- ORD
1 stop7h 47m
Delta
Deal found 6/27![Delta logo]()
$405
This Delta deal was found by Cheapflights users on 6/29. 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 8/119:59 am
MDW
- IDA
2 stops13h 33m
Delta
Wed 8/197:00 pm
IDA
- MDW
2 stops12h 39m
Delta
Deal found 6/29![Delta logo]()
$470
This Delta deal was found by Cheapflights users on 6/28. 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.
Sat 8/229:59 am
MDW
- IDA
2 stops9h 21m
Delta
Sat 8/296:00 am
IDA
- MDW
2 stops11h 33m
Delta
Deal found 6/28![Delta logo]()
$582
This Delta deal was found by Cheapflights users on 6/28. 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.
Sat 7/259:19 am
MDW
- IDA
2 stops14h 13m
Delta
Mon 8/37:00 pm
IDA
- MDW
2 stops12h 39m
Delta
Deal found 6/28![Delta logo]()
$688
This Delta deal was found by Cheapflights users on 6/26. 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 8/11:49 pm
MDW
- IDA
2 stops9h 43m
Delta
Sat 8/86:00 am
IDA
- MDW
2 stops8h 38m
Delta
Deal found 6/26![Delta logo]()
$696
This Delta deal was found by Cheapflights users on 6/28. 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 8/111:51 pm
MDW
- IDA
2 stops9h 41m
Delta
Mon 8/1711:35 am
IDA
- MDW
2 stops10h 01m
Delta
Deal found 6/28![Delta logo]()
$854
This Delta deal was found by Cheapflights users on 6/29. 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.
Fri 8/141:25 pm
MDW
- IDA
2 stops10h 07m
Delta
Thu 8/206:00 am
IDA
- MDW
2 stops11h 33m
Delta
Deal found 6/29![Delta logo]()
$871
This Delta deal was found by Cheapflights users on 6/28. 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.
Mon 7/279:54 am
MDW
- IDA
2 stops9h 24m
Delta
Sat 8/16:00 am
IDA
- MDW
2 stops11h 07m
Delta
Deal found 6/28![Delta logo]()
$911
This Delta deal was found by Cheapflights users on 6/26. 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.
Fri 9/49:59 am
MDW
- IDA
2 stops9h 21m
Delta
Mon 9/76:00 am
IDA
- MDW
2 stops11h 33m
Delta
Deal found 6/26![Delta logo]()
$1,049
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/111:18 pm
MDW
- IDA
2 stops10h 14m
Delta
Sat 7/186:00 am
IDA
- MDW
2 stops11h 07m
Delta
Deal found 6/30![Delta logo]()
$1,237
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:46 pm
MDW
- IDA
2 stops10h 46m
Delta
Fri 8/216:00 am
IDA
- MDW
2 stops11h 33m
Delta
Deal found 6/30![Delta logo]()
$1,299
This Delta deal was found by Cheapflights users on 6/28. 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.
Sat 7/259:54 am
MDW
- IDA
2 stops9h 24m
Delta
Sun 8/211:25 am
IDA
- MDW
2 stops9h 51m
Delta
Deal found 6/28![Delta logo]()
$1,329
Last-minute flights from Chicago to Idaho FallsDiscover last-minute flight deals from Chicago to Idaho Falls. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Idaho Falls. Data last updated July 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/27. 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 6/302:09 pm
ORD
- IDA
1 stop5h 08m
Delta
Tue 7/711:25 am
IDA
- ORD
1 stop6h 32m
Delta
Deal found 6/27![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 6/27. 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 6/302:09 pm
ORD
- IDA
1 stop5h 08m
Delta
Sat 7/46:00 am
IDA
- ORD
2 stops9h 30m
Delta
Deal found 6/27![Delta logo]()
$396
This Delta deal was found by Cheapflights users on 6/27. 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 6/309:54 am
MDW
- IDA
2 stops9h 23m
Delta
Sat 7/46:00 am
IDA
- MDW
2 stops13h 02m
Delta
Deal found 6/27![Delta logo]()
$543
This United Airlines deal was found by Cheapflights users on 6/29. 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 7/25:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Mon 7/134:14 pm
IDA
- ORD
1 stop5h 35m
United Airlines
Deal found 6/29![United Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 6/27. 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.
Sat 7/46:00 am
MDW
- IDA
2 stops9h 37m
Delta
Tue 7/77:00 pm
IDA
- MDW
2 stops13h 13m
Delta
Deal found 6/27![Delta logo]()
$633
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 7/119:00 am
ORD
- IDA
Nonstop3h 45m
United Airlines
Sat 7/182:30 pm
IDA
- ORD
1 stop6h 09m
United Airlines
Deal found 6/30![United Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 7/185:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Sat 7/254:14 pm
IDA
- ORD
1 stop7h 30m
United Airlines
Deal found 6/30![United Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:15 am
ORD
- IDA
1 stop9h 45m
Multiple Airlines
Mon 8/310:47 pm
IDA
- ORD
2 stops25h 02m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 7/255:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Sat 8/15:54 pm
IDA
- ORD
1 stop5h 50m
United Airlines
Deal found 6/30![United Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:15 am
ORD
- IDA
1 stop9h 45m
Multiple Airlines
Mon 8/310:47 pm
IDA
- ORD
2 stops25h 02m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:15 am
ORD
- IDA
1 stop9h 45m
Multiple Airlines
Fri 7/3110:47 pm
IDA
- ORD
1 stop29h 50m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 7/285:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Tue 8/45:54 pm
IDA
- ORD
1 stop5h 50m
United Airlines
Deal found 6/30![United Airlines logo]()
$423
One-way flights from Chicago to Idaho FallsSearch for one-way flight options from Chicago to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
Search for one-way flight options from Chicago to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:11 pm
ORD
- IDA
1 stop15h 11m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:11 pm
ORD
- IDA
1 stop18h 36m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Thu 9/241:02 pm
ORD
- IDA
1 stop23h 56m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Sun 8/238:11 pm
ORD
- IDA
1 stop15h 36m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:52 pm
ORD
- IDA
1 stop8h 04m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$185
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:52 pm
ORD
- IDA
1 stop8h 04m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:15 am
ORD
- IDA
1 stop9h 45m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:45 pm
MDW
- IDA
3 stops47h 15m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Fri 8/79:25 pm
MDW
- IDA
3 stops36h 33m
Allegiant Air
Deal found 6/27![Allegiant Air logo]()
$355
This Delta deal was found by Cheapflights users on 6/28. 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 7/296:00 am
MDW
- IDA
2 stops9h 36m
Delta
Deal found 6/28![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:46 pm
MDW
- IDA
2 stops10h 46m
Delta
Deal found 6/30![Delta logo]()
$485
This Delta deal was found by Cheapflights users on 6/27. 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.
Fri 8/71:51 pm
MDW
- IDA
2 stops9h 41m
Delta
Deal found 6/27![Delta logo]()
$605
Find flight deals from Chicago to Idaho Falls
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Idaho Falls (IDA). 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 July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $291 (Delta) |
One-way from | $153 (Kiwi.com) |
Popular in | January |
Cheapest in | October |
Average price | $517 |
Good round-trip deal | $409 or less |
Good one-way deal | $225 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Idaho Falls 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 July 1, 2026.
Use the filters below to find and compare flights from Chicago to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Wed 8/26
2:00 pm-6:20 pm
1 stop5h 20m
Idaho Falls Fanning Field
Sat 8/29
11:35 am-11:57 pm
2 stops11h 22m
$296
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Fri 9/4
2:00 pm-6:20 pm
1 stop5h 20m
Idaho Falls Fanning Field
Mon 9/7
6:00 am-11:59 am
1 stop4h 59m
$329
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Fri 10/23
2:00 pm-10:20 pm
2 stops9h 20m
Idaho Falls Fanning Field
Mon 10/26
1:05 pm-10:00 pm
1 stop7h 55m
$334
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Sat 8/22
7:48 am-2:35 pm
1 stop7h 47m
Idaho Falls Fanning Field
Sat 8/29
6:00 am-11:59 am
1 stop4h 59m
$355
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Sat 7/25
5:00 am-9:50 am
1 stop5h 50m
Idaho Falls Fanning Field
Sat 8/1
5:54 pm-12:44 am
1 stop5h 50m
$363
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Wed 11/11
3:59 pm-11:42 pm
1 stop8h 43m
Idaho Falls Fanning Field
Sat 11/14
6:04 am-5:37 pm
1 stop10h 33m
$374
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Sat 7/11
9:00 am-11:45 am
Nonstop3h 45m
Idaho Falls Fanning Field
Sat 7/18
2:30 pm-9:39 pm
1 stop6h 09m
$380
Quickest round-trip
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Tue 9/15
10:45 am-1:28 pm
Nonstop3h 43m
Idaho Falls Fanning Field
Sun 9/20
1:58 pm-6:35 pm
Nonstop3h 37m
$395
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Tue 9/15
2:05 pm-6:17 pm
1 stop5h 12m
Idaho Falls Fanning Field
Sun 9/20
1:05 pm-9:52 pm
1 stop7h 47m
$405
ChicagoIdaho Falls
MDW - IDA
MDWIDA
Chicago Midway
Tue 8/11
9:59 am-10:32 pm
2 stops13h 33m
Idaho Falls Fanning Field
Wed 8/19
7:00 pm-8:39 am
2 stops12h 39m
$470
Showing 1-10 of 38 resultsSorted by cheapest first
Compare providers for flights from Chicago to Idaho Falls
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Idaho Falls in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Chicago with our price prediction graph.
CHI-IDA
ORD-IDA
MDW-IDA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Idaho Falls
CHI-IDA
ORD-IDA
MDW-IDA
What is the cheapest time of day to fly from CHI to IDA?
Find hourly flight availability from Chicago to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2026.
When flying from Chicago to Idaho Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Chicago to Idaho Falls?
Reviews of airlines servicing Idaho Falls
Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated July 1, 2026.
Read through reviews of airlines operating flights from Chicago to Idaho Falls, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentTim,May 2023
ORD - DLH
Food
6.6
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentTim,May 2023
ORD - DLH
Food
6.6
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentTim,May 2023
ORD - DLH
Related info for your journey
Find useful and relevant information for your journey from Chicago to Idaho Falls. 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 Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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Complete your trip
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Other flights to Idaho Falls
Explore flights to Idaho Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 1, 2026.
Chicago and Idaho Falls flights
Browse other Chicago and Idaho Falls flight options. Last updated on July 1, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on July 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Chicago to Idaho Falls
Discover the top 2 airlines that operate flights from Chicago to Idaho Falls. 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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$319 | Average$431 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$371 | Average$451 | FlexibilityNo cancel fee | On-time71% |