$148+ Cheap flights from Idaho Falls (IDA) 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — CHI
Sep 25 — Oct 21
Round-trip
1 adult, Economy
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Find cheap flights from Idaho Falls 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 Falls to Chicago
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Cheapest flights from Idaho Falls to ChicagoExplore the most affordable flight options available from Idaho Falls to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
Explore the most affordable flight options available from Idaho Falls to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
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.
Sat 10/171:50 pm -
Nonstop3h 34m
Sat 10/2410:30 am -
Nonstop3h 50m
Deal found 8/23![American Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Sat 10/245:51 pm -
1 stop5h 08m
Tue 10/2710:55 am -
1 stop5h 43m
Deal found 8/25![United Airlines logo]()
$301
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop5h 01m
Tue 10/2712:30 pm -
2 stops10h 40m
Deal found 8/24![Delta logo]()
$306
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.
Sat 10/241:50 pm -
Nonstop3h 34m
Tue 10/271:46 pm -
1 stop8h 56m
Deal found 8/24![American Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 8/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:50 pm -
Nonstop3h 34m
Mon 10/2610:30 am -
Nonstop3h 50m
Deal found 8/25![American Airlines logo]()
$319
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:50 pm -
Nonstop3h 34m
Fri 10/236:55 am -
1 stop7h 14m
Deal found 8/22![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Tue 10/65:51 pm -
1 stop5h 08m
Sun 10/115:00 am -
1 stop5h 53m
Deal found 8/26![United Airlines logo]()
$331
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:47 pm -
2 stops24h 23m
Thu 11/125:15 pm -
1 stop21h 15m
Deal found 8/24![Multiple Airlines logo]()
$333
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.
Sun 9/66:00 am -
2 stops8h 57m
Thu 9/102:00 pm -
2 stops9h 22m
Deal found 8/22![Delta logo]()
$649
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 10/176:00 am -
2 stops9h 47m
Sat 10/2412:27 pm -
2 stops10h 43m
Deal found 8/23![Delta logo]()
$829
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.
Fri 10/166:00 am -
2 stops11h 00m
Mon 10/1912:27 pm -
2 stops10h 43m
Deal found 8/23![Delta logo]()
$869
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 9/76:00 am -
2 stops11h 33m
Fri 9/119:29 am -
2 stops9h 48m
Deal found 8/23![Delta logo]()
$959
Best flights from Idaho Falls to ChicagoDiscover carefully curated flight deals from Idaho Falls to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
Discover carefully curated flight deals from Idaho Falls to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Sat 10/245:51 pm -
1 stop5h 08m
Tue 10/2710:55 am -
1 stop5h 43m
Deal found 8/25![United Airlines logo]()
$301
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop5h 01m
Tue 10/2712:30 pm -
2 stops10h 40m
Deal found 8/24![Delta logo]()
$306
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.
Wed 9/231:58 pm -
Nonstop3h 37m
Sun 9/275:00 am -
1 stop7h 45m
Deal found 8/21![American Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Tue 10/65:51 pm -
1 stop5h 08m
Sun 10/115:00 am -
1 stop5h 53m
Deal found 8/26![United Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 8/25. 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.
Thu 12/36:59 pm -
2 stops12h 47m
Sun 12/67:25 am -
1 stop5h 52m
Deal found 8/25![Delta logo]()
$364
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 10/64:05 pm -
1 stop6h 54m
Sat 10/1010:55 am -
1 stop5h 29m
Deal found 8/22![United Airlines logo]()
$349
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:05 pm -
1 stop8h 00m
Sat 10/244:00 pm -
1 stop7h 10m
Deal found 8/24![Delta logo]()
$380
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.
Fri 10/165:51 pm -
1 stop5h 08m
Fri 10/235:00 am -
1 stop5h 53m
Deal found 8/22![United Airlines logo]()
$361
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:40 pm -
1 stop5h 19m
Sun 11/87:00 am -
1 stop7h 28m
Deal found 8/23![United Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Sat 9/194:04 pm -
1 stop5h 41m
Fri 9/255:00 am -
1 stop5h 53m
Deal found 8/25![United Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 9/255:51 pm -
1 stop5h 08m
Sun 9/275:00 am -
1 stop5h 53m
Deal found 8/25![United Airlines logo]()
$425
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.
Sun 9/66:00 am -
2 stops8h 57m
Thu 9/102:00 pm -
2 stops9h 22m
Deal found 8/22![Delta logo]()
$649
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 10/176:00 am -
2 stops9h 47m
Sat 10/2412:27 pm -
2 stops10h 43m
Deal found 8/23![Delta logo]()
$829
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.
Fri 10/166:00 am -
2 stops11h 00m
Mon 10/1912:27 pm -
2 stops10h 43m
Deal found 8/23![Delta logo]()
$869
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 9/76:00 am -
2 stops11h 33m
Fri 9/119:29 am -
2 stops9h 48m
Deal found 8/23![Delta logo]()
$959
This Delta deal was found by Cheapflights users on 8/25. 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.
Thu 12/35:35 am -
2 stops10h 15m
Sun 12/61:41 pm -
2 stops9h 26m
Deal found 8/25![Delta logo]()
$1,230
This Delta deal was found by Cheapflights users on 8/25. 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.
Sun 9/276:00 am -
2 stops11h 33m
Tue 9/291:19 pm -
2 stops10h 03m
Deal found 8/25![Delta logo]()
$1,695
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am -
2 stops9h 57m
Sat 9/1211:35 am -
2 stops11h 47m
Deal found 8/24![Delta logo]()
$1,770
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.
Wed 9/236:00 am -
2 stops11h 33m
Sun 9/279:59 am -
2 stops9h 18m
Deal found 8/21![Delta logo]()
$3,292
Last-minute flights from Idaho Falls to ChicagoDiscover last-minute flight deals from Idaho Falls to Chicago. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Chicago. Data last updated August 26, 2026 and is based on user searches.
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.
Sat 8/293:17 pm -
1 stop5h 16m
Tue 9/13:51 pm -
2 stops7h 41m
Deal found 8/21![Delta logo]()
$406
This American Airlines deal was found by Cheapflights users on 8/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:43 pm -
Nonstop3h 35m
Sun 9/67:00 am -
1 stop7h 50m
Deal found 8/25![American Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/25. 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.
Thu 9/311:35 am -
2 stops10h 01m
Sun 9/66:05 am -
2 stops9h 30m
Deal found 8/25![Delta logo]()
$1,160
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.
Sun 9/66:00 am -
2 stops8h 57m
Thu 9/102:00 pm -
2 stops9h 22m
Deal found 8/22![Delta logo]()
$649
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 9/76:00 am -
2 stops11h 33m
Fri 9/119:29 am -
2 stops9h 48m
Deal found 8/23![Delta logo]()
$959
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:53 pm -
1 stop5h 06m
Sat 9/128:47 am -
Nonstop3h 52m
Deal found 8/24![United Airlines logo]()
$391
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am -
2 stops9h 57m
Sat 9/1211:35 am -
2 stops11h 47m
Deal found 8/24![Delta logo]()
$1,770
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Sat 9/194:04 pm -
1 stop5h 41m
Fri 9/255:00 am -
1 stop5h 53m
Deal found 8/25![United Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 8/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:08 pm -
1 stop9h 06m
Sun 9/2710:45 am -
Nonstop3h 43m
Deal found 8/25![American Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 9/255:51 pm -
1 stop5h 08m
Sun 9/275:00 am -
1 stop5h 53m
Deal found 8/25![United Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 8/25. 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.
Sun 9/276:00 am -
2 stops11h 33m
Tue 9/291:19 pm -
2 stops10h 03m
Deal found 8/25![Delta logo]()
$1,695
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.
Mon 9/284:05 pm -
1 stop6h 54m
Sun 10/45:00 am -
1 stop5h 53m
Deal found 8/22![United Airlines logo]()
$383
One-way flights from Idaho Falls to ChicagoSearch for one-way flight options from Idaho Falls to Chicago. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
Search for one-way flight options from Idaho Falls to Chicago. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:33 pm -
2 stops32h 01m
Deal found 8/21![Multiple Airlines logo]()
$148
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:21 pm -
1 stop10h 17m
Deal found 8/22![Multiple Airlines logo]()
$161
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:30 pm -
1 stop8h 46m
Deal found 8/24![Multiple Airlines logo]()
$163
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.
Fri 10/231:58 pm -
1 stop9h 01m
Deal found 8/21![Alaska Airlines logo]()
$170
This American Airlines deal was found by Cheapflights users on 8/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:35 pm -
1 stop7h 40m
Deal found 8/25![American Airlines logo]()
$181
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:09 am -
1 stop7h 44m
Deal found 8/24![Alaska Airlines logo]()
$191
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.
Mon 11/236:00 am -
2 stops9h 39m
Deal found 8/22![Delta logo]()
$304
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.
Sun 9/611:35 am -
2 stops10h 01m
Deal found 8/23![Delta logo]()
$425
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.
Sun 9/68:20 pm -
3 stops37h 35m
Deal found 8/23![Multiple Airlines logo]()
$661
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:00 am -
2 stops11h 33m
Deal found 8/24![Delta logo]()
$825
Find flight deals from Idaho Falls to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (American Airlines) |
One-way from | $148 (Kiwi.com) |
Popular in | May |
Cheapest in | September |
Average price | $526 |
Good round-trip deal | $378 or less |
Good one-way deal | $296 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho Falls to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 26, 2026.
Use the filters below to find and compare flights from Idaho Falls to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Idaho FallsChicago
IDA Idaho Falls Fanning Field - ORD Chicago O'Hare Intl
IDAORD
Idaho Falls Fanning Field
Sat 10/24
5:51 pm-11:59 pm
1 stop5h 08m
Chicago O'Hare Intl
Tue 10/27
10:55 am-3:38 pm
1 stop5h 43m
$301
Idaho FallsChicago
IDA Idaho Falls Fanning Field - ORD Chicago O'Hare Intl
IDAORD
Idaho Falls Fanning Field
Sat 10/24
6:00 am-12:01 pm
1 stop5h 01m
Chicago O'Hare Intl
Tue 10/27
12:30 pm-10:10 pm
2 stops10h 40m
$306
Idaho FallsChicago
IDA Idaho Falls Fanning Field - ORD Chicago O'Hare Intl
IDAORD
Idaho Falls Fanning Field
Tue 10/6
5:51 pm-11:59 pm
1 stop5h 08m
Chicago O'Hare Intl
Sun 10/11
5:00 am-9:53 am
1 stop5h 53m
$331
Idaho FallsChicago
IDA Idaho Falls Fanning Field - ORD Chicago O'Hare Intl
IDAORD
Idaho Falls Fanning Field
Tue 10/6
4:05 pm-11:59 pm
1 stop6h 54m
Chicago O'Hare Intl
Sat 10/10
10:55 am-3:24 pm
1 stop5h 29m
$349
Idaho FallsChicago
IDA Idaho Falls Fanning Field - ORD Chicago O'Hare Intl
IDAORD
Idaho Falls Fanning Field
Fri 10/16
5:51 pm-11:59 pm
1 stop5h 08m
Chicago O'Hare Intl
Fri 10/23
5:00 am-9:53 am
1 stop5h 53m
$361
Idaho FallsChicago
IDA Idaho Falls Fanning Field - ORD Chicago O'Hare Intl
IDAORD
Idaho Falls Fanning Field
Thu 12/3
6:59 pm-8:46 am
2 stops12h 47m
Chicago O'Hare Intl
Sun 12/6
7:25 am-12:17 pm
1 stop5h 52m
$364
Idaho FallsChicago
IDA Idaho Falls Fanning Field - ORD Chicago O'Hare Intl
IDAORD
Idaho Falls Fanning Field
Sat 10/17
1:05 pm-10:05 pm
1 stop8h 00m
Chicago O'Hare Intl
Sat 10/24
4:00 pm-10:10 pm
1 stop7h 10m
$380
Idaho FallsChicago
IDA Idaho Falls Fanning Field - ORD Chicago O'Hare Intl
IDAORD
Idaho Falls Fanning Field
Wed 11/4
5:40 pm-11:59 pm
1 stop5h 19m
Chicago O'Hare Intl
Sun 11/8
7:00 am-1:28 pm
1 stop7h 28m
$403
Idaho FallsChicago
IDA Idaho Falls Fanning Field - ORD Chicago O'Hare Intl
IDAORD
Idaho Falls Fanning Field
Sat 9/19
4:04 pm-10:45 pm
1 stop5h 41m
Chicago O'Hare Intl
Fri 9/25
5:00 am-9:53 am
1 stop5h 53m
$421
Idaho FallsChicago
IDA Idaho Falls Fanning Field - ORD Chicago O'Hare Intl
IDAORD
Idaho Falls Fanning Field
Wed 9/23
1:58 pm-6:35 pm
Nonstop3h 37m
Chicago O'Hare Intl
Sun 9/27
5:00 am-11:45 am
1 stop7h 45m
$423
Showing 1-10 of 33 resultsSorted by cheapest first
Compare providers for flights from Idaho Falls to Chicago
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Chicago 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 Idaho Falls-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Chicago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Idaho Falls-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Idaho Falls to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Idaho Falls with our price prediction graph.
IDA-CHI
IDA-ORD
IDA-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 Falls to Chicago
IDA-CHI
IDA-ORD
IDA-MDW
What is the cheapest month to book a flight from Idaho Falls to Chicago?
Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Chicago (average of $388). Flying from Idaho Falls to Chicago in January is currently the most expensive (average of $570). 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 IDA to CHI?
Find hourly flight availability from Idaho Falls 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 August 26, 2026.
When flying from Idaho Falls to Chicago, 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 Idaho Falls to Chicago?
Airfare is below average for this route at the moment.
Idaho Falls to Chicago flights typically cost between $438 and $498 in October.The cheapest round-trip price found within the last 5 days was $281 on American Airlines (Oct 17-Oct 24).
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated August 26, 2026.
Read through reviews of airlines operating flights from Idaho Falls to Chicago, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Idaho Falls to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Lansing
Merrillville
Valparaiso
Hammond
Saint Joseph
Porter
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Other flights to Chicago
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Idaho Falls and Chicago flights
Browse other Idaho Falls and Chicago flight options. Last updated on August 26, 2026.
Other flights from Idaho Falls
Browse through other flights departing from Idaho Falls. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
Popular flight searches
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Top 3 airlines flying from Idaho Falls to Chicago
Discover the top 3 airlines that operate flights from Idaho Falls to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$290 | Average$486 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$311 | Average$443 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$319 | Average$474 | FlexibilityNo cancel fee | On-timeN/A |