HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$118+ Cheap flights from O'Hare Intl (ORD) 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IDA
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl 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 O'Hare Intl to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$269
(United Airlines)

One-way from

$118
(Alaska Airlines)

Popular in

March

Cheapest in

September

Average price

$413
From Chicago O'Hare Intl to Idaho Falls Fanning Field
Search Deals
One-way flight from Chicago O'Hare Intl to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($221 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from O'Hare Intl to Idaho Falls

Cheapest flights from O'Hare Intl to Idaho Falls
Explore the most affordable flight options available from O'Hare Intl to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 9/102:53 pmORD - IDA
1 stop7h 01mUnited Airlines
Fri 9/194:15 pmIDA - ORD
1 stop6h 44mUnited Airlines
Deal found 8/13$269
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:50 amORD - IDA
Nonstop3h 34mAmerican Airlines
Fri 9/1912:54 pmIDA - ORD
Nonstop3h 14mAmerican Airlines
Deal found 8/13$351
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 8/1510:44 amORD - IDA
1 stop7h 38mUnited Airlines
Fri 9/194:15 pmIDA - ORD
1 stop6h 44mUnited Airlines
Deal found 8/13$354
This Delta deal was found by Cheapflights users on 8/14. 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.
Thu 11/276:00 amORD - IDA
2 stops7h 29mDelta
Fri 11/286:05 amIDA - ORD
1 stop5h 19mDelta
Deal found 8/14$358
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 9/39:50 amORD - IDA
Nonstop3h 34mAmerican Airlines
Thu 9/412:40 pmIDA - ORD
Nonstop3h 14mAmerican Airlines
Deal found 8/14$361
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 8/285:00 amORD - IDA
1 stop5h 47mUnited Airlines
Tue 9/92:35 pmIDA - ORD
1 stop5h 06mUnited Airlines
Deal found 8/14$374
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Mon 10/136:35 amORD - IDA
1 stop7h 14mMultiple Airlines
Thu 10/1610:13 pmIDA - ORD
1 stop13h 45mMultiple Airlines
Deal found 8/13$377
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:00 amORD - IDA
1 stop10h 59mMultiple Airlines
Fri 9/510:55 pmIDA - ORD
1 stop11h 56mMultiple Airlines
Deal found 8/14$388
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/252:07 pmORD - IDA
1 stop22h 59mMultiple Airlines
Sun 9/289:26 pmIDA - ORD
1 stop24h 14mMultiple Airlines
Deal found 8/12$390

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 August 14, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Idaho Falls that are best for you.

Fly from

O'Hare Intl

Fly to

Idaho Falls

Route

Depart

Return

Price

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 9/10

2:53 pm-8:54 pm

1 stop7h 01m

Idaho Falls Fanning Field

Fri 9/19

4:15 pm-11:59 pm

1 stop6h 44m

$269

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 9/10

5:00 am-9:47 am

1 stop5h 47m

Idaho Falls Fanning Field

Wed 9/17

4:15 pm-11:59 pm

1 stop6h 44m

$269

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Tue 9/16

9:50 am-12:24 pm

Nonstop3h 34m

Idaho Falls Fanning Field

Fri 9/19

12:54 pm-5:08 pm

Nonstop3h 14m

$351

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Mon 10/13

9:45 am-12:25 pm

Nonstop3h 40m

Idaho Falls Fanning Field

Thu 10/16

1:11 pm-5:28 pm

Nonstop3h 17m

$351

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Thu 11/27

6:00 am-12:29 pm

2 stops7h 29m

Idaho Falls Fanning Field

Fri 11/28

6:05 am-12:24 pm

1 stop5h 19m

$358

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 9/3

9:50 am-12:24 pm

Nonstop3h 34m

Idaho Falls Fanning Field

Thu 9/4

12:40 pm-4:54 pm

Nonstop3h 14m

$361

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Sun 8/31

2:53 pm-8:54 pm

1 stop7h 01m

Idaho Falls Fanning Field

Sat 9/6

5:00 am-1:15 pm

1 stop7h 15m

$374

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 8/27

2:53 pm-8:54 pm

1 stop7h 01m

Idaho Falls Fanning Field

Wed 9/3

5:00 am-11:28 am

1 stop5h 28m

$374

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Thu 8/28

5:00 am-9:47 am

1 stop5h 47m

Idaho Falls Fanning Field

Tue 9/9

4:00 pm-11:59 pm

1 stop6h 59m

$374

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

Wed 11/12

8:00 am-3:13 pm

1 stop8h 13m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 18 results
1
2

Best time to book a flight from O'Hare Intl to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from O'Hare Intl with our price prediction graph.
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 O'Hare Intl Airport to Idaho Falls

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Idaho Falls (average of $380). Flying from Chicago O'Hare Intl Airport to Idaho Falls in December is currently the most expensive (average of $578). 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 ORD to IDA?

Find hourly flight availability from O'Hare Intl to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 40% on flights from Chicago O'Hare Intl Airport to Idaho Falls by exploring options for tickets in the morning.

Weekly flight availability from Chicago O'Hare Intl Airport to Idaho Falls

Explore weekly flight availability from O'Hare Intl to Idaho Falls. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 14, 2025.

The most flights from ORD 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).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated August 14, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Chicago O'Hare Intl Airport to Idaho Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Idaho Falls from Chicago O'Hare Intl?

    Most people fly into Idaho Falls Fanning Field (IDA) if they book a flight to Idaho Falls from Chicago O'Hare Intl. On average, Fanning Field has 1 inbound flight from Chicago O'Hare Intl per day from 3 airlines. Idaho Falls Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Idaho Falls round-trip?

    Cheapflights users have booked flights from Chicago O'Hare Intl Airport to Idaho Falls round-trip from $314. Other airlines that can offer you cheap pricing are Delta, from $342, and United Airlines, from $406. American Airlines is 49% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from O'Hare Intl to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Idaho Falls.

  • Can I find deals for business class flights from O'Hare Intl to Idaho Falls?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Idaho Falls (average of $380). Flying from Chicago O'Hare Intl Airport to Idaho Falls in December is currently the most expensive (average of $578). 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.

See more FAQs

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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.

Top 3 airlines flying from O'Hare Intl to Idaho Falls

Discover the top 3 airlines that operate flights from O'Hare Intl 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$314Average$371FlexibilityNo cancel feeOn-time71%
DeltaCheapest$342Average$431FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$406Average$640FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.