$144+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IDA
Jun 7 — Jun 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 May 8, 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 May 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 7/67:15 am
ORD
- IDA
1 stop9h 45m
Multiple Airlines
Mon 7/2010:47 pm
IDA
- ORD
2 stops25h 02m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 9/197:00 am
ORD
- IDA
1 stop7h 06m
Alaska Airlines
Tue 9/224:14 pm
IDA
- ORD
1 stop6h 27m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Sat 7/185:54 pm
IDA
- ORD
1 stop5h 50m
United Airlines
Deal found 5/3![United Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 am
ORD
- IDA
1 stop7h 06m
Alaska Airlines
Sat 8/291:45 pm
IDA
- ORD
1 stop9h 14m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:11 pm
ORD
- IDA
1 stop5h 03m
Delta
Tue 6/26:54 pm
IDA
- ORD
2 stops12h 45m
Delta
Deal found 5/4![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 7/710:50 am
ORD
- IDA
Nonstop3h 33m
American Airlines
Thu 7/1612:53 pm
IDA
- ORD
Nonstop3h 30m
American Airlines
Deal found 5/6![American Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/205:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Sat 6/275:54 pm
IDA
- ORD
1 stop5h 50m
United Airlines
Deal found 5/5![United Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 8/55:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Sat 8/84:14 pm
IDA
- ORD
1 stop5h 35m
United Airlines
Deal found 5/6![United Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/226:00 am
ORD
- IDA
1 stop6h 30m
American Airlines
Sat 8/292:20 pm
IDA
- ORD
1 stop7h 50m
American Airlines
Deal found 5/3![American Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:15 am
ORD
- IDA
1 stop9h 45m
Multiple Airlines
Mon 8/310:47 pm
IDA
- ORD
1 stop29h 41m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 7/59:54 am
MDW
- IDA
2 stops9h 23m
Delta
Thu 7/166:00 am
IDA
- MDW
2 stops11h 25m
Delta
Deal found 5/6![Delta logo]()
$599
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:22 pm
MDW
- IDA
2 stops10h 20m
Delta
Mon 5/256:00 am
IDA
- MDW
2 stops10h 56m
Delta
Deal found 5/3![Delta logo]()
$602
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 May 8, 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 May 8, 2026.
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/205:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Sat 6/275:54 pm
IDA
- ORD
1 stop5h 50m
United Airlines
Deal found 5/3![United Airlines logo]()
$341
This Alaska Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
ORD
- IDA
1 stop10h 37m
Alaska Airlines
Sat 7/254:14 pm
IDA
- ORD
1 stop11h 46m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 7/78:27 am
ORD
- IDA
2 stops10h 51m
Delta
Thu 7/167:00 pm
IDA
- ORD
2 stops11h 59m
Delta
Deal found 5/6![Delta logo]()
$494
This Alaska Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/207:20 am
ORD
- IDA
1 stop6h 46m
Alaska Airlines
Sat 7/254:14 pm
IDA
- ORD
1 stop11h 46m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 7/155:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Sat 7/255:54 pm
IDA
- ORD
1 stop5h 50m
United Airlines
Deal found 5/5![United Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/22:12 pm
ORD
- IDA
1 stop23h 54m
Alaska Airlines
Mon 7/64:14 pm
IDA
- ORD
1 stop11h 46m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 7/79:49 am
MDW
- IDA
2 stops9h 29m
Delta
Thu 7/166:00 am
IDA
- MDW
2 stops11h 25m
Delta
Deal found 5/6![Delta logo]()
$599
This Alaska Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/207:17 pm
ORD
- IDA
2 stops18h 49m
Alaska Airlines
Sat 6/274:14 pm
IDA
- ORD
1 stop11h 46m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$541
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/81:49 pm
MDW
- IDA
2 stops9h 43m
Delta
Wed 7/1511:25 am
IDA
- MDW
2 stops9h 50m
Delta
Deal found 5/3![Delta logo]()
$862
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 8/226:05 am
MDW
- IDA
2 stops9h 30m
Delta
Sat 8/296:00 am
IDA
- MDW
2 stops11h 01m
Delta
Deal found 5/6![Delta logo]()
$982
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/79:54 am
MDW
- IDA
2 stops9h 23m
Delta
Fri 6/127:00 pm
IDA
- MDW
2 stops13h 14m
Delta
Deal found 5/5![Delta logo]()
$1,014
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 7/61:26 pm
MDW
- IDA
2 stops10h 05m
Delta
Mon 7/206:00 am
IDA
- MDW
2 stops11h 25m
Delta
Deal found 5/6![Delta logo]()
$1,014
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/251:26 pm
MDW
- IDA
2 stops10h 05m
Delta
Mon 6/296:00 am
IDA
- MDW
2 stops11h 31m
Delta
Deal found 5/3![Delta logo]()
$1,042
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/121:18 pm
MDW
- IDA
2 stops10h 14m
Delta
Tue 7/216:00 am
IDA
- MDW
2 stops11h 25m
Delta
Deal found 5/3![Delta logo]()
$1,119
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:49 am
MDW
- IDA
2 stops9h 29m
Delta
Mon 8/36:00 am
IDA
- MDW
2 stops9h 15m
Delta
Deal found 5/5![Delta logo]()
$1,129
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/209:54 am
MDW
- IDA
2 stops9h 27m
Delta
Sat 6/276:00 am
IDA
- MDW
2 stops10h 05m
Delta
Deal found 5/5![Delta logo]()
$1,139
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 7/129:49 am
MDW
- IDA
2 stops9h 29m
Delta
Mon 7/206:00 am
IDA
- MDW
2 stops11h 25m
Delta
Deal found 5/6![Delta logo]()
$1,169
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/19:23 am
MDW
- IDA
2 stops9h 51m
Delta
Mon 6/87:00 pm
IDA
- MDW
2 stops13h 14m
Delta
Deal found 5/4![Delta logo]()
$1,209
Last-minute flights from Chicago to Idaho FallsDiscover last-minute flight deals from Chicago to Idaho Falls. Data last updated May 8, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Idaho Falls. Data last updated May 8, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 5/165:00 pm
ORD
- IDA
1 stop6h 42m
Delta
Sat 5/233:16 pm
IDA
- ORD
1 stop5h 34m
Delta
Deal found 5/7![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:22 pm
MDW
- IDA
2 stops10h 20m
Delta
Mon 5/256:00 am
IDA
- MDW
2 stops10h 56m
Delta
Deal found 5/3![Delta logo]()
$602
This United Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Mon 6/85:54 pm
IDA
- ORD
1 stop5h 50m
United Airlines
Deal found 5/6![United Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:11 pm
ORD
- IDA
1 stop5h 03m
Delta
Mon 6/16:00 am
IDA
- ORD
1 stop4h 52m
Delta
Deal found 5/4![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:11 pm
ORD
- IDA
1 stop5h 03m
Delta
Tue 6/26:54 pm
IDA
- ORD
2 stops12h 45m
Delta
Deal found 5/4![Delta logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/17:40 am
ORD
- IDA
1 stop8h 46m
Alaska Airlines
Mon 6/84:03 pm
IDA
- ORD
1 stop20h 19m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/79:54 am
MDW
- IDA
2 stops9h 23m
Delta
Fri 6/127:00 pm
IDA
- MDW
2 stops13h 14m
Delta
Deal found 5/5![Delta logo]()
$1,014
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 6/197:20 am
ORD
- IDA
1 stop9h 48m
Multiple Airlines
Mon 6/2210:56 pm
IDA
- ORD
1 stop29h 11m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/205:00 am
ORD
- IDA
1 stop5h 50m
United Airlines
Sat 6/275:54 pm
IDA
- ORD
1 stop5h 50m
United Airlines
Deal found 5/5![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/229:54 am
MDW
- IDA
2 stops9h 23m
Delta
Mon 6/296:00 am
IDA
- MDW
2 stops11h 31m
Delta
Deal found 5/3![Delta logo]()
$922
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/251:26 pm
MDW
- IDA
2 stops10h 05m
Delta
Mon 6/296:00 am
IDA
- MDW
2 stops11h 31m
Delta
Deal found 5/3![Delta logo]()
$1,042
This Expedia deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:20 am
ORD
- IDA
1 stop6h 46m
Alaska Airlines
Mon 6/294:14 pm
IDA
- ORD
1 stop11h 46m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$384
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 May 8, 2026.
Search for one-way flight options from Chicago to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated May 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:20 am
ORD
- IDA
1 stop9h 40m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$144
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/17:40 am
ORD
- IDA
1 stop8h 46m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 5/279:37 pm
ORD
- IDA
2 stops38h 13m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$168
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 5/295:44 pm
ORD
- IDA
1 stop22h 42m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:15 am
ORD
- IDA
1 stop9h 45m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 7/19:48 pm
ORD
- IDA
2 stops42h 12m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 8/59:57 pm
ORD
- IDA
2 stops42h 08m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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.
Sat 7/181:50 pm
ORD
- IDA
2 stops20h 05m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:15 am
ORD
- IDA
1 stop9h 45m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 7/169:57 pm
ORD
- IDA
2 stops19h 03m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$194
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 7/59:54 am
MDW
- IDA
2 stops9h 23m
Delta
Deal found 5/6![Delta logo]()
$325
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 9/231:00 pm
MDW
- IDA
2 stops10h 14m
Delta
Deal found 5/3![Delta logo]()
$475
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 May 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (Kiwi.com) |
One-way from | $144 (Kiwi.com) |
Popular in | January |
Cheapest in | October |
Average price | $400 |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 8, 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
Quickest round-trip
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Sat 6/20
5:00 am-9:50 am
1 stop5h 50m
Idaho Falls Fanning Field
Sat 6/27
5:54 pm-12:44 am
1 stop5h 50m
$341
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Wed 7/15
6:00 am-3:37 pm
1 stop10h 37m
Idaho Falls Fanning Field
Sat 7/25
4:14 pm-5:00 am
1 stop11h 46m
$474
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Mon 7/20
7:20 am-1:06 pm
1 stop6h 46m
Idaho Falls Fanning Field
Sat 7/25
4:14 pm-5:00 am
1 stop11h 46m
$474
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Wed 7/15
5:00 am-9:50 am
1 stop5h 50m
Idaho Falls Fanning Field
Sat 7/25
5:54 pm-12:44 am
1 stop5h 50m
$479
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Tue 7/7
8:27 am-6:18 pm
2 stops10h 51m
Idaho Falls Fanning Field
Thu 7/16
7:00 pm-7:59 am
2 stops11h 59m
$494
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Thu 7/2
2:12 pm-1:06 pm
1 stop23h 54m
Idaho Falls Fanning Field
Mon 7/6
4:14 pm-5:00 am
1 stop11h 46m
$539
ChicagoIdaho Falls
ORD - IDA
ORDIDA
Chicago O'Hare Intl
Sat 6/20
7:17 pm-1:06 pm
2 stops18h 49m
Idaho Falls Fanning Field
Sat 6/27
4:14 pm-5:00 am
1 stop11h 46m
$541
ChicagoIdaho Falls
MDW - IDA
MDWIDA
Chicago Midway
Tue 7/7
9:49 am-6:18 pm
2 stops9h 29m
Idaho Falls Fanning Field
Thu 7/16
6:00 am-6:25 pm
2 stops11h 25m
$599
ChicagoIdaho Falls
MDW - IDA
MDWIDA
Chicago Midway
Wed 7/8
1:49 pm-10:32 pm
2 stops9h 43m
Idaho Falls Fanning Field
Wed 7/15
11:25 am-10:15 pm
2 stops9h 50m
$862
ChicagoIdaho Falls
MDW - IDA
MDWIDA
Chicago Midway
Sat 8/22
6:05 am-2:35 pm
2 stops9h 30m
Idaho Falls Fanning Field
Sat 8/29
6:00 am-6:01 pm
2 stops11h 01m
$982
Showing 1-10 of 32 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 May.
| 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
How much does it cost to fly round-trip from Chicago to Idaho Falls?
Reviews of airlines servicing Idaho Falls
Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated May 8, 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.
Overall
7.4
Food
6.6
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Overall
7.4
Food
6.6
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Overall
7.4
Food
6.6
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Idaho Falls flight routes
Other flight options
Other flights from Chicago
Popular flights
Alternative routes for Chicago to Idaho Falls
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to Idaho Falls by cabin class
Find flights from Chicago to Idaho Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 May 8, 2026.
Chicago and Idaho Falls flights
Browse other Chicago and Idaho Falls flight options. Last updated on May 8, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on May 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Chicago to Idaho Falls
Discover the top airline that operate flights from Chicago to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$371 | Average$449 | FlexibilityNo cancel fee | On-time71% |