$171+ Cheap flights from Chicago (CHI) to Idaho Falls (IDA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IDA
Nov 16 — Nov 231
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Idaho Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Chicago to Idaho Falls
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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 October 17, 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 October 17, 2026.
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 11/117:00 am -
1 stop7h 28m
Sat 11/144:30 pm -
1 stop5h 16m
Deal found 10/12![United Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 11/25:00 pm -
1 stop6h 59m
Tue 11/106:36 am -
1 stop8h 33m
Deal found 10/14![American Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 12/27:25 am -
1 stop5h 52m
Sat 12/55:35 am -
2 stops9h 42m
Deal found 10/14![Delta logo]()
$415
This American Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 10/2410:30 am -
Nonstop3h 50m
Fri 10/301:50 pm -
Nonstop3h 34m
Deal found 10/14![American Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 12/186:50 am -
1 stop7h 38m
Sun 1/107:00 am -
1 stop5h 21m
Deal found 10/17![United Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 10/3110:29 am -
Nonstop3h 50m
Wed 11/46:36 am -
1 stop8h 33m
Deal found 10/16![American Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 12/188:00 pm -
1 stop15h 15m
Sun 1/109:20 pm -
1 stop22h 38m
Deal found 10/16![Multiple Airlines logo]()
$455
This Alaska Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 10/306:00 am -
1 stop10h 20m
Tue 11/33:55 pm -
1 stop20h 14m
Deal found 10/15![Alaska Airlines logo]()
$459
This Expedia deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/136:35 pm -
1 stop21h 43m
Sun 11/153:55 pm -
1 stop20h 14m
Deal found 10/16![Alaska Airlines logo]()
$464
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 October 17, 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 October 17, 2026.
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 1/266:00 am -
2 stops7h 27m
Tue 2/26:45 pm -
2 stops12h 49m
Deal found 10/15![Delta logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 1/272:11 pm -
1 stop24h 08m
Sun 1/313:58 pm -
1 stop20h 15m
Deal found 10/15![Alaska Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 12/186:50 am -
1 stop7h 38m
Sun 1/107:00 am -
1 stop5h 21m
Deal found 10/17![United Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 12/188:00 pm -
1 stop15h 15m
Sun 1/109:20 pm -
2 stops26h 06m
Deal found 10/17![Multiple Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/157:30 am -
1 stop5h 45m
Sat 11/216:00 am -
2 stops9h 41m
Deal found 10/16![Delta logo]()
$465
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/192:47 pm -
1 stop7h 32m
Sat 12/262:37 pm -
1 stop7h 05m
Deal found 10/12![United Airlines logo]()
$474
This Alaska Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/27:00 am -
1 stop9h 18m
Fri 11/63:55 pm -
1 stop20h 14m
Deal found 10/16![Alaska Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/191:26 pm -
2 stops10h 37m
Sat 12/261:09 pm -
1 stop8h 00m
Deal found 10/15![Delta logo]()
$485
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 12/212:47 pm -
1 stop7h 32m
Sat 12/264:20 pm -
1 stop5h 22m
Deal found 10/16![United Airlines logo]()
$501
This Alaska Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 2/116:00 am -
2 stops9h 27m
Tue 2/166:15 am -
1 stop6h 57m
Deal found 10/14![Alaska Airlines logo]()
$516
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 11/257:30 am -
1 stop5h 45m
Sun 11/296:00 am -
2 stops11h 30m
Deal found 10/15![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” 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.
Sun 11/157:00 am -
1 stop7h 28m
Sat 11/212:35 pm -
1 stop5h 55m
Deal found 10/13![United Airlines logo]()
$530
Last-minute flights from Chicago to Idaho FallsDiscover last-minute flight deals from Chicago to Idaho Falls. Data last updated October 17, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Idaho Falls. Data last updated October 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 10/2410:30 am -
Nonstop3h 50m
Fri 10/301:50 pm -
Nonstop3h 34m
Deal found 10/14![American Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 10/247:00 am -
1 stop7h 24m
Fri 10/305:40 pm -
1 stop5h 19m
Deal found 10/14![United Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 10/306:00 am -
1 stop10h 20m
Tue 11/33:55 pm -
1 stop20h 14m
Deal found 10/15![Alaska Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 10/3010:30 am -
Nonstop3h 50m
Tue 11/36:36 am -
1 stop8h 33m
Deal found 10/15![American Airlines logo]()
$477
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 10/3110:29 am -
Nonstop3h 50m
Wed 11/46:36 am -
1 stop8h 33m
Deal found 10/16![American Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 11/25:00 pm -
1 stop6h 59m
Tue 11/106:36 am -
1 stop8h 33m
Deal found 10/14![American Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 11/117:00 am -
1 stop7h 28m
Sat 11/144:30 pm -
1 stop5h 16m
Deal found 10/12![United Airlines logo]()
$361
This Expedia deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/136:35 pm -
1 stop21h 43m
Sun 11/153:55 pm -
1 stop20h 14m
Deal found 10/16![Alaska Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/157:30 am -
1 stop5h 45m
Sat 11/216:00 am -
2 stops9h 41m
Deal found 10/16![Delta logo]()
$465
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 October 17, 2026.
Search for one-way flight options from Chicago to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated October 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 11/143:59 pm -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Alaska Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” 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 12/1011:38 am -
1 stop23h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$172
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 1/1211:10 am -
2 stops12h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Delta logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 1/148:14 pm -
1 stop14h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:15 pm -
1 stop21h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$181
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” 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 4/131:35 pm -
2 stops9h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Delta logo]()
$186
This Orbitz deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:35 pm -
1 stop21h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Alaska Airlines logo]()
$195
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 12/1410:55 am -
1 stop5h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![United Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” 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 11/116:30 am -
2 stops26h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$202
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 October 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $341 (American Airlines) |
One-way from | $171 (Delta) |
Popular in | July |
Cheapest in | November |
Average price | $378 |
Good one-way deal | $335 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 17, 2026.
Use the filters below to find and compare flights from Chicago to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Sat 11/14
3:59 pm-10:54 pm
1 stop7h 55m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$171
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Sat 4/10
5:00 pm-10:19 pm
1 stop6h 19m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$181
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Wed 4/14
8:55 am-6:14 pm
2 stops10h 19m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$186
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Tue 4/13
1:35 pm-10:19 pm
2 stops9h 44m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$186
Quickest round-trip
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Mon 12/14
10:55 am-3:29 pm
1 stop5h 34m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$201
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Mon 4/12
1:15 pm-10:19 pm
2 stops10h 04m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$216
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Wed 11/11
7:00 am-3:18 pm
1 stop9h 18m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$220
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Sun 11/8
5:15 pm-11:53 am
2 stops19h 38m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$243
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Sat 11/14
9:59 am-10:22 pm
2 stops13h 23m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$264
ChicagoIdaho Falls
ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field
ORDIDA
Chicago O'Hare Intl
Mon 12/21
3:19 pm-11:45 pm
1 stop9h 26m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$265
Showing 1-10 of 22 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 October.
| 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
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
What is the cheapest time of day to fly from CHI to IDA?
Find hourly flight availability from Chicago to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 17, 2026.
When flying from Chicago to Idaho Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Chicago to Idaho Falls
Explore weekly flight availability from Chicago to Idaho Falls. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 17, 2026.
The most flights from CHI to IDA are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Chicago to Idaho Falls?
Airfare is typical for this route at the moment.
Chicago to Idaho Falls flights typically cost between $321 and $405 in November.The cheapest round-trip price found within the last 5 days was $361 on United Airlines (Nov 11-Nov 14).
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 October 17, 2026.
Read through reviews of airlines operating flights from Chicago to Idaho Falls, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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Top 2 airlines flying from Chicago to Idaho Falls
Discover the top 2 airlines that operate flights from Chicago to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$319 | Average$431 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$398 | Average$475 | FlexibilityNo cancel fee | On-time71% |