$157+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — CHI
Jul 31 — Aug 71
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 July 1, 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 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.
Sat 8/226:00 am
IDA
- ORD
1 stop4h 59m
Delta
Wed 8/262:00 pm
ORD
- IDA
1 stop5h 20m
Delta
Deal found 6/29![Delta logo]()
$291
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.
Wed 12/26:45 pm
IDA
- ORD
2 stops12h 49m
Delta
Sat 12/57:30 am
ORD
- IDA
1 stop5h 57m
Delta
Deal found 6/27![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 8/294:04 pm
IDA
- ORD
1 stop6h 55m
United Airlines
Sat 9/59:00 am
ORD
- IDA
Nonstop3h 38m
United Airlines
Deal found 6/30![United Airlines logo]()
$297
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:35 pm
IDA
- ORD
1 stop7h 44m
United Airlines
Sat 12/55:00 am
ORD
- IDA
1 stop5h 28m
United Airlines
Deal found 6/27![United Airlines logo]()
$304
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 8/2111:35 am
IDA
- ORD
1 stop5h 44m
Delta
Wed 8/262:00 pm
ORD
- IDA
1 stop5h 20m
Delta
Deal found 6/29![Delta logo]()
$310
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:25 pm
IDA
- ORD
1 stop6h 35m
United Airlines
Sat 9/59:00 am
ORD
- IDA
Nonstop3h 38m
United Airlines
Deal found 6/27![United Airlines logo]()
$314
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.
Sat 8/226:00 am
IDA
- ORD
1 stop4h 59m
Delta
Fri 8/281:59 pm
ORD
- IDA
2 stops9h 33m
Delta
Deal found 6/29![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.
Thu 8/206:00 am
IDA
- ORD
1 stop4h 59m
Delta
Fri 8/282:00 pm
ORD
- IDA
1 stop5h 20m
Delta
Deal found 6/29![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/291:43 pm
IDA
- ORD
Nonstop3h 35m
American Airlines
Sat 9/52:57 pm
ORD
- IDA
1 stop7h 23m
American Airlines
Deal found 7/1![American Airlines logo]()
$331
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 8/2111:35 am
IDA
- ORD
1 stop5h 44m
Delta
Fri 8/281:59 pm
ORD
- IDA
2 stops9h 33m
Delta
Deal found 6/29![Delta logo]()
$334
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.
Thu 11/191:10 pm
IDA
- ORD
2 stops9h 40m
Delta
Sun 11/2211:10 am
ORD
- IDA
2 stops12h 09m
Delta
Deal found 6/27![Delta logo]()
$339
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.
Sat 8/16:00 am
IDA
- MDW
2 stops11h 07m
Delta
Tue 8/49:59 am
MDW
- IDA
2 stops9h 21m
Delta
Deal found 6/29![Delta logo]()
$756
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 July 1, 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 July 1, 2026.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:25 pm
IDA
- ORD
1 stop6h 04m
United Airlines
Sat 9/55:00 am
ORD
- IDA
1 stop5h 51m
United Airlines
Deal found 6/27![United Airlines logo]()
$310
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.
Thu 11/191:10 pm
IDA
- ORD
2 stops9h 40m
Delta
Sun 11/2211:10 am
ORD
- IDA
2 stops12h 09m
Delta
Deal found 6/27![Delta logo]()
$339
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:46 pm
IDA
- ORD
1 stop9h 13m
Alaska Airlines
Wed 10/289:00 am
ORD
- IDA
1 stop7h 35m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/296:00 am
IDA
- ORD
1 stop4h 59m
Delta
Sat 9/56:00 am
ORD
- IDA
2 stops9h 35m
Delta
Deal found 7/1![Delta logo]()
$370
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.
Sat 11/285:40 pm
IDA
- ORD
1 stop5h 17m
United Airlines
Sat 12/55:00 am
ORD
- IDA
1 stop5h 28m
United Airlines
Deal found 6/29![United Airlines logo]()
$451
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.
Sun 8/23:22 pm
IDA
- ORD
1 stop5h 07m
Delta
Sat 8/84:45 pm
ORD
- IDA
1 stop6h 47m
Delta
Deal found 6/29![Delta logo]()
$429
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 8/44:14 pm
IDA
- ORD
1 stop11h 46m
Alaska Airlines
Tue 8/185:42 pm
ORD
- IDA
2 stops20h 42m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$477
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.
Sun 7/267:00 pm
IDA
- MDW
2 stops13h 13m
Delta
Wed 9/162:00 pm
MDW
- IDA
2 stops9h 22m
Delta
Deal found 6/28![Delta logo]()
$1,060
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 8/46:00 am
IDA
- MDW
2 stops9h 15m
Delta
Tue 8/189:59 am
MDW
- IDA
2 stops9h 21m
Delta
Deal found 6/29![Delta logo]()
$1,124
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.
Sun 7/1211:25 am
IDA
- MDW
2 stops9h 50m
Delta
Sat 8/11:49 pm
MDW
- IDA
2 stops9h 43m
Delta
Deal found 6/28![Delta logo]()
$1,174
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.
Sun 7/1211:25 am
IDA
- MDW
2 stops9h 50m
Delta
Thu 7/161:18 pm
MDW
- IDA
2 stops10h 14m
Delta
Deal found 6/30![Delta logo]()
$1,322
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.
Thu 7/306:00 am
IDA
- MDW
2 stops11h 25m
Delta
Tue 8/111:51 pm
MDW
- IDA
2 stops9h 41m
Delta
Deal found 6/27![Delta logo]()
$1,694
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.
Thu 7/236:00 am
IDA
- MDW
2 stops11h 25m
Delta
Sun 7/261:18 pm
MDW
- IDA
2 stops10h 14m
Delta
Deal found 6/26![Delta logo]()
$1,729
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.
Mon 7/1311:25 am
IDA
- MDW
2 stops9h 50m
Delta
Thu 7/161:18 pm
MDW
- IDA
2 stops10h 14m
Delta
Deal found 6/29![Delta logo]()
$1,744
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.
Wed 7/2911:25 am
IDA
- MDW
2 stops9h 50m
Delta
Sun 8/96:05 am
MDW
- IDA
2 stops9h 30m
Delta
Deal found 6/27![Delta logo]()
$1,981
Last-minute flights from Idaho Falls to ChicagoDiscover last-minute flight deals from Idaho Falls to Chicago. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Chicago. 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.
Fri 7/36:00 am
IDA
- MDW
2 stops11h 31m
Delta
Sun 7/51:26 pm
MDW
- IDA
2 stops10h 05m
Delta
Deal found 6/27![Delta logo]()
$929
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 7/46:00 am
IDA
- MDW
2 stops10h 07m
Delta
Sun 7/51:26 pm
MDW
- IDA
2 stops10h 05m
Delta
Deal found 6/30![Delta logo]()
$760
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.
Sat 8/16:00 am
IDA
- MDW
2 stops11h 07m
Delta
Tue 8/49:59 am
MDW
- IDA
2 stops9h 21m
Delta
Deal found 6/29![Delta logo]()
$756
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 8/154:04 pm
IDA
- ORD
1 stop6h 55m
United Airlines
Fri 8/215:00 am
ORD
- IDA
1 stop5h 51m
United Airlines
Deal found 6/30![United Airlines logo]()
$344
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.
Thu 8/206:00 am
IDA
- ORD
1 stop4h 59m
Delta
Fri 8/282:00 pm
ORD
- IDA
1 stop5h 20m
Delta
Deal found 6/29![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 8/2111:35 am
IDA
- ORD
1 stop5h 44m
Delta
Wed 8/262:00 pm
ORD
- IDA
1 stop5h 20m
Delta
Deal found 6/29![Delta logo]()
$310
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 8/2111:35 am
IDA
- ORD
1 stop5h 44m
Delta
Fri 8/281:59 pm
ORD
- IDA
2 stops9h 33m
Delta
Deal found 6/29![Delta logo]()
$334
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.
Fri 8/215:33 pm
IDA
- ORD
2 stops19h 03m
Multiple Airlines
Thu 8/278:11 pm
ORD
- IDA
1 stop15h 11m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$350
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.
Sat 8/226:00 am
IDA
- ORD
1 stop4h 59m
Delta
Wed 8/262:00 pm
ORD
- IDA
1 stop5h 20m
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.
Sat 8/226:00 am
IDA
- ORD
1 stop4h 59m
Delta
Fri 8/281:59 pm
ORD
- IDA
2 stops9h 33m
Delta
Deal found 6/29![Delta logo]()
$315
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 8/294:04 pm
IDA
- ORD
1 stop6h 55m
United Airlines
Sat 9/59:00 am
ORD
- IDA
Nonstop3h 38m
United Airlines
Deal found 6/30![United Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/291:43 pm
IDA
- ORD
Nonstop3h 35m
American Airlines
Sat 9/52:57 pm
ORD
- IDA
1 stop7h 23m
American Airlines
Deal found 7/1![American Airlines logo]()
$331
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 July 1, 2026.
Search for one-way flight options from Idaho Falls to Chicago. 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 6/30. 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.
Mon 9/286:21 pm
IDA
- ORD
1 stop10h 21m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$157
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.
Mon 7/2710:47 pm
IDA
- ORD
2 stops25h 02m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$167
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 8/245:33 pm
IDA
- ORD
2 stops45h 26m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$181
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.
Sun 7/269:45 am
IDA
- MDW
2 stops30h 37m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$341
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.
Mon 7/610:47 pm
IDA
- MDW
2 stops17h 04m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$460
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.
Tue 7/286:00 am
IDA
- MDW
2 stops9h 15m
Delta
Deal found 6/30![Delta logo]()
$595
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.
Tue 7/77:34 pm
IDA
- MDW
2 stops46h 47m
Allegiant Air
Deal found 6/27![Allegiant Air logo]()
$635
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.
Wed 7/291:43 pm
IDA
- MDW
3 stops20h 24m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$727
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.
Wed 7/297:00 pm
IDA
- MDW
2 stops13h 13m
Delta
Deal found 6/30![Delta logo]()
$815
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 July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $291 (Delta) |
One-way from | $157 (Kiwi.com) |
Popular in | May |
Cheapest in | September |
Average price | $500 |
Good round-trip deal | $400 or less |
Good one-way deal | $254 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 2,558,603 searches. Data last updated July 1, 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
Idaho FallsChicago
IDA - ORD
IDAORD
Idaho Falls Fanning Field
Fri 9/4
2:25 pm-9:29 pm
1 stop6h 04m
Chicago O'Hare Intl
Sat 9/5
5:00 am-9:51 am
1 stop5h 51m
$310
Idaho FallsChicago
IDA - ORD
IDAORD
Idaho Falls Fanning Field
Thu 11/19
1:10 pm-11:50 pm
2 stops9h 40m
Chicago O'Hare Intl
Sun 11/22
11:10 am-10:19 pm
2 stops12h 09m
$339
Idaho FallsChicago
IDA - ORD
IDAORD
Idaho Falls Fanning Field
Sat 8/29
6:00 am-11:59 am
1 stop4h 59m
Chicago O'Hare Intl
Sat 9/5
6:00 am-2:35 pm
2 stops9h 35m
$370
Idaho FallsChicago
IDA - ORD
IDAORD
Idaho Falls Fanning Field
Sat 10/24
1:46 pm-11:59 pm
1 stop9h 13m
Chicago O'Hare Intl
Wed 10/28
9:00 am-3:35 pm
1 stop7h 35m
$374
Idaho FallsChicago
IDA - ORD
IDAORD
Idaho Falls Fanning Field
Sun 8/2
3:22 pm-9:29 pm
1 stop5h 07m
Chicago O'Hare Intl
Sat 8/8
4:45 pm-10:32 pm
1 stop6h 47m
$429
Quickest round-trip
Idaho FallsChicago
IDA - ORD
IDAORD
Idaho Falls Fanning Field
Sat 11/28
5:40 pm-11:57 pm
1 stop5h 17m
Chicago O'Hare Intl
Sat 12/5
5:00 am-9:28 am
1 stop5h 28m
$451
Idaho FallsChicago
IDA - ORD
IDAORD
Idaho Falls Fanning Field
Tue 8/4
4:14 pm-5:00 am
1 stop11h 46m
Chicago O'Hare Intl
Tue 8/18
5:42 pm-1:24 pm
2 stops20h 42m
$477
Idaho FallsChicago
IDA - MDW
IDAMDW
Idaho Falls Fanning Field
Sun 7/26
7:00 pm-9:13 am
2 stops13h 13m
Chicago Midway
Wed 9/16
2:00 pm-10:22 pm
2 stops9h 22m
$1,060
Idaho FallsChicago
IDA - MDW
IDAMDW
Idaho Falls Fanning Field
Tue 8/4
6:00 am-4:15 pm
2 stops9h 15m
Chicago Midway
Tue 8/18
9:59 am-6:20 pm
2 stops9h 21m
$1,124
Idaho FallsChicago
IDA - MDW
IDAMDW
Idaho Falls Fanning Field
Sun 7/12
11:25 am-10:15 pm
2 stops9h 50m
Chicago Midway
Sat 8/1
1:49 pm-10:32 pm
2 stops9h 43m
$1,174
Showing 1-10 of 32 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 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 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, July is the cheapest month in which you can book a flight from Idaho Falls to Chicago (average of $184). Flying from Idaho Falls to Chicago in March is currently the most expensive (average of $410). 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 July 1, 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?
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 July 1, 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.
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Hammond
Lansing
Merrillville
Valparaiso
Porter
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Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 1, 2026.
Complete your trip
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Idaho Falls and Chicago flights
Browse other Idaho Falls and Chicago flight options. Last updated on July 1, 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 July 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 2,558,603 searches. Data last updated July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$311 | Average$443 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$331 | Average$436 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$353 | Average$481 | FlexibilityNo cancel fee | On-timeN/A |