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$130+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — CHI
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheap 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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$251
(Kiwi.com)

One-way from

$130
(Kiwi.com)

Popular in

March

Cheapest in

June

Average price

$426

Good round-trip deal

$436 or less

Good one-way deal

$240 or less
Provider with most accurate pricing for Idaho Falls Fanning Field-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Chicago (CHI) flights.
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From Idaho Falls Fanning Field to Chicago (CHI)
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One-way flight from Idaho Falls Fanning Field to Chicago (CHI)
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Highest demand for flights based on searches. 17% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Idaho Falls Fanning Field to Chicago (CHI).
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Price to beat on a one-way flight from Idaho Falls Fanning Field to Chicago (CHI).
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Find flight deals from Idaho Falls to Chicago

Cheapest flights from Idaho Falls to Chicago
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 octubre 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
jue. 12/44:39 pmIDA - ORD
1 stop18h 03mMultiple Airlines
lun. 12/157:00 amORD - IDA
2 stops31h 36mMultiple Airlines
Deal found 10/30$251
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
jue. 12/45:51 pmIDA - MDW
1 stop20h 01mMultiple Airlines
lun. 12/153:52 pmMDW - IDA
2 stops22h 44mMultiple Airlines
Deal found 10/30$287
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
jue. 12/44:39 pmIDA - ORD
1 stop18h 03mMultiple Airlines
mar. 12/169:06 pmORD - IDA
2 stops45h 36mMultiple Airlines
Deal found 10/30$303
This Delta deal was found by Cheapflights users on 10/29. 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.
jue. 12/47:06 pmIDA - ORD
2 stops12h 33mDelta
lun. 12/87:20 amORD - IDA
1 stop6h 17mDelta
Deal found 10/29$356
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/46:05 amIDA - ORD
1 stop15h 25mAlaska Airlines
lun. 12/88:00 amORD - IDA
1 stop9h 27mAlaska Airlines
Deal found 10/29$366
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
sáb. 12/1312:49 pmIDA - ORD
1 stop21h 53mMultiple Airlines
sáb. 12/207:57 pmORD - IDA
2 stops43h 23mMultiple Airlines
Deal found 10/28$372
This Delta deal was found by Cheapflights users on 10/30. 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.
vie. 12/51:17 pmIDA - ORD
1 stop7h 04mDelta
dom. 12/77:20 amORD - IDA
1 stop6h 17mDelta
Deal found 10/30$385
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/35:07 pmIDA - ORD
1 stop12h 14mAlaska Airlines
dom. 12/76:00 amORD - IDA
1 stop18h 59mAlaska Airlines
Deal found 10/29$391
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/312:19 pmIDA - ORD
3 stops26h 28mMultiple Airlines
dom. 12/79:14 pmORD - IDA
3 stops23h 12mMultiple Airlines
Deal found 10/29$399
This Delta deal was found by Cheapflights users on 10/30. 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.
sáb. 12/61:17 pmIDA - ORD
1 stop7h 04mDelta
dom. 12/77:20 amORD - IDA
1 stop6h 17mDelta
Deal found 10/30$410
This Delta deal was found by Cheapflights users on 10/28. 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.
mié. 12/37:06 pmIDA - ORD
2 stops12h 33mDelta
dom. 12/77:20 amORD - IDA
1 stop6h 17mDelta
Deal found 10/28$415
This Delta deal was found by Cheapflights users on 10/30. 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.
sáb. 12/66:00 amIDA - MDW
2 stops8h 44mDelta
dom. 12/710:49 amMDW - IDA
2 stops12h 32mDelta
Deal found 10/30$496

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 octubre 30, 2025.
Use the filters below to find and compare flights from Idaho Falls to Chicago that are best for you.

Fly from

Idaho Falls

Fly to

Chicago

Route

Depart

Return

Price

Idaho FallsChicago

IDA - MDW

IDAMDW

Idaho Falls Fanning Field

jue. 12/4

5:51 pm-2:52 pm

1 stop20h 01m

Chicago Midway

lun. 12/15

3:52 pm-1:36 pm

2 stops22h 44m

$287

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

mié. 4/15

5:57 pm-11:57 pm

1 stop5h 00m

Chicago O'Hare Intl

dom. 4/19

5:15 am-9:28 am

1 stop5h 13m

$341

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

mié. 1/7

4:19 pm-11:59 pm

1 stop6h 40m

Chicago O'Hare Intl

lun. 1/19

7:00 am-1:30 pm

1 stop7h 30m

$353

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

jue. 12/4

6:05 am-10:30 pm

1 stop15h 25m

Chicago O'Hare Intl

lun. 12/8

8:00 am-4:27 pm

1 stop9h 27m

$366

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

mié. 2/18

2:40 pm-10:53 pm

1 stop7h 13m

Chicago O'Hare Intl

sáb. 2/21

7:10 am-1:30 pm

1 stop7h 20m

$366

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

vie. 12/5

1:17 pm-9:21 pm

1 stop7h 04m

Chicago O'Hare Intl

lun. 12/15

7:20 am-12:37 pm

1 stop6h 17m

$385

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

mié. 12/3

5:07 pm-6:21 am

1 stop12h 14m

Chicago O'Hare Intl

dom. 12/7

6:00 am-11:59 pm

1 stop18h 59m

$391

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

mié. 12/3

12:19 pm-3:47 pm

3 stops26h 28m

Chicago O'Hare Intl

dom. 12/7

9:14 pm-7:26 pm

3 stops23h 12m

$399

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

lun. 3/30

5:57 pm-11:57 pm

1 stop5h 00m

Chicago O'Hare Intl

mié. 4/1

5:15 am-9:28 am

1 stop5h 13m

$411

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

sáb. 12/6

6:00 am-4:57 pm

2 stops9h 57m

Chicago O'Hare Intl

dom. 12/7

7:20 am-12:37 pm

1 stop6h 17m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 32 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-Chicago flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Chicago flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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

What is the cheapest month to book a flight from Idaho Falls to Chicago?

Currently, June is the cheapest month in which you can book a flight from Idaho Falls to Chicago (average of $193). Flying from Idaho Falls to Chicago in July is currently the most expensive (average of $443). 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 octubre 30, 2025.

When flying from Idaho Falls to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 39% versus a flight in the afternoon.

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 octubre 30, 2025.
Read through reviews of airlines operating flights from Idaho Falls to Chicago, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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.

  • What airport do you fly from for flights from Idaho Falls to Chicago?

    If you book a flight to Chicago from Idaho Falls, you will be flying from Fanning Field, which is the city’s only airport. Idaho Falls Fanning Field (IDA) is located 3.8 mi from the center of Idaho Falls. There are 0 flights from Fanning Field to Chicago per day from 2 different airlines.

  • How long is the flight from Idaho Falls to Chicago?

    For as low as $341, United Airlines can have you in Chicago from Idaho Falls in 5h. Airlines will cover a distance of 1225 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Idaho Falls to Chicago round-trip?

    Flying on United Airlines is currently your cheapest option to Chicago, with prices starting at $311. Another option worth looking into is American Airlines, starting at $323 round trip. These flights start at 40% lower than the current average price 3 months from now.

  • What are the cheapest flights from Idaho Falls to Chicago?

    While on average a flight from Idaho Falls to Chicago is generally $405, our data shows the cheapest flight currently is $210. When looking at the most popular route, (Idaho Falls Fanning Field - Chicago O'Hare Intl), you can expect to pay $341 for that flight.

  • Can I find deals for flights from Idaho Falls to Chicago that include hotel bookings?

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

  • How can I find direct flights from Idaho Falls to Chicago?

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

  • Can I find deals for business class flights from Idaho Falls to Chicago?

    Yes. Cheapflights offers flight deals from Idaho Falls to Chicago 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 Idaho Falls to Chicago?

    Currently, June is the cheapest month in which you can book a flight from Idaho Falls to Chicago (average of $193). Flying from Idaho Falls to Chicago in July is currently the most expensive (average of $443). 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 Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Lansing
Hammond
Porter
Benton Harbor

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Alternative routes for Idaho Falls to Chicago

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Top 2 airlines flying from Idaho Falls to Chicago

Discover the top 2 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$311Average$533FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$323Average$403FlexibilityNo cancel feeOn-time71%

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