$170+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IDA
Sep 23 — Sep 301
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 August 24, 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 August 24, 2026.
This American Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:30 am -
Nonstop3h 50m
Wed 10/281:50 pm -
Nonstop3h 34m
Deal found 8/21![American Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:00 pm -
1 stop7h 10m
Tue 10/136:00 am -
1 stop4h 55m
Deal found 8/20![Delta logo]()
$301
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:35 am -
1 stop5h 40m
Tue 1/56:00 am -
2 stops9h 49m
Deal found 8/20![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:00 am -
1 stop5h 28m
Tue 1/55:57 pm -
1 stop5h 00m
Deal found 8/20![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:30 am -
Nonstop3h 50m
Mon 10/191:50 pm -
Nonstop3h 34m
Deal found 8/24![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:05 pm -
1 stop5h 12m
Sat 9/266:00 am -
1 stop4h 55m
Deal found 8/19![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:03 pm -
1 stop5h 13m
Tue 1/56:00 am -
2 stops9h 49m
Deal found 8/20![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:00 am -
1 stop5h 28m
Fri 12/257:00 am -
1 stop5h 15m
Deal found 8/20![United Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:30 am -
Nonstop3h 50m
Wed 10/141:50 pm -
Nonstop3h 34m
Deal found 8/23![American Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:03 pm -
1 stop5h 13m
Mon 10/191:05 pm -
1 stop8h 00m
Deal found 8/20![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:51 pm -
2 stops9h 41m
Sat 8/296:00 am -
2 stops11h 33m
Deal found 8/22![Delta logo]()
$490
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:00 pm -
2 stops9h 22m
Sat 9/266:00 am -
2 stops10h 59m
Deal found 8/19![Delta logo]()
$497
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 August 24, 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 August 24, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:00 am -
1 stop5h 51m
Mon 9/284:05 pm -
1 stop6h 54m
Deal found 8/19![United Airlines logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:16 pm -
1 stop21h 04m
Mon 10/263:57 pm -
1 stop20h 21m
Deal found 8/19![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:27 pm -
2 stops10h 43m
Tue 10/136:00 am -
2 stops9h 47m
Deal found 8/23![Delta logo]()
$539
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:47 am -
Nonstop3h 52m
Sat 9/265:51 pm -
1 stop5h 08m
Deal found 8/22![United Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:47 am -
Nonstop3h 52m
Tue 9/225:53 pm -
1 stop5h 06m
Deal found 8/20![United Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:08 pm -
1 stop7h 48m
Tue 9/222:01 pm -
1 stop8h 58m
Deal found 8/22![Alaska Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:56 pm -
1 stop6h 22m
Sat 9/194:04 pm -
1 stop6h 55m
Deal found 8/19![United Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:27 pm -
2 stops9h 43m
Tue 11/106:00 am -
2 stops11h 04m
Deal found 8/22![Delta logo]()
$694
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:46 pm -
2 stops10h 46m
Mon 9/76:00 am -
2 stops11h 33m
Deal found 8/23![Delta logo]()
$839
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:19 pm -
2 stops10h 03m
Tue 9/226:00 am -
2 stops11h 33m
Deal found 8/19![Delta logo]()
$1,019
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:27 pm -
2 stops10h 43m
Mon 10/196:00 am -
2 stops9h 47m
Deal found 8/20![Delta logo]()
$1,279
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:59 am -
2 stops9h 18m
Sun 10/46:00 am -
2 stops11h 33m
Deal found 8/22![Delta logo]()
$1,319
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:05 am -
2 stops13h 12m
Sat 9/126:00 am -
2 stops9h 00m
Deal found 8/23![Delta logo]()
$1,320
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:19 pm -
2 stops10h 03m
Mon 9/286:00 am -
2 stops11h 33m
Deal found 8/23![Delta logo]()
$1,429
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:00 pm -
2 stops9h 22m
Fri 9/256:00 am -
2 stops11h 33m
Deal found 8/19![Delta logo]()
$1,429
Last-minute flights from Chicago to Idaho FallsDiscover last-minute flight deals from Chicago to Idaho Falls. Data last updated August 24, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Idaho Falls. Data last updated August 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:51 pm -
2 stops9h 41m
Sat 8/296:00 am -
2 stops11h 33m
Deal found 8/22![Delta logo]()
$490
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:35 am -
Nonstop3h 34m
Sat 9/52:19 pm -
Nonstop3h 35m
Deal found 8/19![American Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:55 pm -
1 stop15h 55m
Mon 9/146:21 pm -
1 stop10h 17m
Deal found 8/20![Multiple Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:00 am -
1 stop5h 51m
Wed 9/234:04 pm -
1 stop6h 55m
Deal found 8/22![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:47 am -
Nonstop3h 52m
Sat 9/265:51 pm -
1 stop5h 08m
Deal found 8/22![United Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:47 am -
Nonstop3h 52m
Tue 9/225:53 pm -
1 stop5h 06m
Deal found 8/19![United Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:05 pm -
1 stop5h 12m
Sat 9/266:00 am -
1 stop4h 55m
Deal found 8/19![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:00 pm -
2 stops9h 22m
Sat 9/266:00 am -
2 stops10h 59m
Deal found 8/19![Delta logo]()
$497
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:05 pm -
1 stop5h 12m
Sat 9/266:00 am -
1 stop4h 55m
Deal found 8/19![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:00 am -
1 stop5h 51m
Mon 9/284:05 pm -
1 stop6h 54m
Deal found 8/19![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:29 am -
2 stops9h 48m
Sat 9/266:00 am -
2 stops10h 59m
Deal found 8/19![Delta logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:55 pm -
1 stop16h 03m
Mon 9/286:21 pm -
1 stop10h 17m
Deal found 8/20![Multiple Airlines logo]()
$341
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 August 24, 2026.
Search for one-way flight options from Chicago to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:59 pm -
1 stop7h 55m
Deal found 8/21![Alaska Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:15 pm -
1 stop23h 19m
Deal found 8/23![Multiple Airlines logo]()
$173
This Alaska Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:16 pm -
1 stop21h 04m
Deal found 8/21![Alaska Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:01 pm -
2 stops42h 33m
Deal found 8/22![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:30 pm -
1 stop23h 04m
Deal found 8/19![Multiple Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
1 stop10h 20m
Deal found 8/23![Alaska Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:55 pm -
1 stop16h 03m
Deal found 8/22![Multiple Airlines logo]()
$195
This Alaska Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:00 am -
1 stop7h 20m
Deal found 8/19![Alaska Airlines logo]()
$196
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:27 pm -
2 stops10h 43m
Deal found 8/23![Delta logo]()
$495
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:05 am -
2 stops17h 27m
Deal found 8/23![Delta logo]()
$543
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:00 pm -
2 stops10h 22m
Deal found 8/21![Delta logo]()
$605
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:30 pm -
2 stops30h 52m
Deal found 8/23![Delta logo]()
$636
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 August 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $300 (American Airlines) |
One-way from | $170 (Alaska Airlines) |
Good round-trip deal | $405 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 7,457,451 searches. Data last updated August 24, 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 Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Wed 9/23
5:00 am-9:51 am
1 stop5h 51m
Idaho Falls Fanning Field
Mon 9/28
4:05 pm-11:59 pm
1 stop6h 54m
$354
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Fri 10/23
7:16 pm-3:20 pm
1 stop21h 04m
Idaho Falls Fanning Field
Mon 10/26
3:57 pm-1:18 pm
1 stop20h 21m
$369
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Sat 9/19
8:47 am-11:39 am
Nonstop3h 52m
Idaho Falls Fanning Field
Sat 9/26
5:51 pm-11:59 pm
1 stop5h 08m
$370
Quickest round-trip
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Sat 9/19
8:47 am-11:39 am
Nonstop3h 52m
Idaho Falls Fanning Field
Tue 9/22
5:53 pm-11:59 pm
1 stop5h 06m
$381
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Sat 9/12
3:56 pm-9:18 pm
1 stop6h 22m
Idaho Falls Fanning Field
Sat 9/19
4:04 pm-11:59 pm
1 stop6h 55m
$432
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Sat 9/19
4:08 pm-10:56 pm
1 stop7h 48m
Idaho Falls Fanning Field
Tue 9/22
2:01 pm-11:59 pm
1 stop8h 58m
$435
ChicagoIdaho Falls
MDW Chicago Midway - IDA Idaho Falls Fanning Field
MDWIDA
Chicago Midway
Sat 10/10
12:27 pm-10:10 pm
2 stops10h 43m
Idaho Falls Fanning Field
Tue 10/13
6:00 am-4:47 pm
2 stops9h 47m
$539
ChicagoIdaho Falls
MDW Chicago Midway - IDA Idaho Falls Fanning Field
MDWIDA
Chicago Midway
Fri 11/6
1:27 pm-10:10 pm
2 stops9h 43m
Idaho Falls Fanning Field
Tue 11/10
6:00 am-6:04 pm
2 stops11h 04m
$694
ChicagoIdaho Falls
MDW Chicago Midway - IDA Idaho Falls Fanning Field
MDWIDA
Chicago Midway
Thu 9/3
12:46 pm-10:32 pm
2 stops10h 46m
Idaho Falls Fanning Field
Mon 9/7
6:00 am-6:33 pm
2 stops11h 33m
$839
ChicagoIdaho Falls
MDW Chicago Midway - IDA Idaho Falls Fanning Field
MDWIDA
Chicago Midway
Sat 9/19
1:19 pm-10:22 pm
2 stops10h 03m
Idaho Falls Fanning Field
Tue 9/22
6:00 am-6:33 pm
2 stops11h 33m
$1,019
Showing 1-10 of 29 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 August.
| 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 August 24, 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.
Weekly flight availability from Chicago to Idaho Falls
Explore weekly flight availability from Chicago to Idaho Falls. 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 August 24, 2026.
The most flights from CHI to IDA are scheduled on a Saturday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
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 August 24, 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.
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.7
Boarding
7.7
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.7
Boarding
7.7
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.7
Boarding
7.7
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
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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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 August 24, 2026.
Chicago and Idaho Falls flights
Browse other Chicago and Idaho Falls flight options. Last updated on August 24, 2026.
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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 7,457,451 searches. Data last updated August 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$319 | Average$431 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$396 | Average$471 | FlexibilityNo cancel fee | On-time71% |