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$171+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — CHI
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$343
(Delta)

One-way from

$171
(Alaska Airlines)

Popular in

March

Cheapest in

September

Average price

$423

Good round-trip deal

$323 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. 20% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in May 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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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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2812:30 pmIDA - ORD
1 stop8h 10mDelta
Wed 6/41:40 pmORD - IDA
1 stop5h 30mDelta
Deal found 4/30$343
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:46 pmIDA - ORD
Nonstop3h 25mAmerican Airlines
Wed 8/279:55 amORD - IDA
Nonstop3h 15mAmerican Airlines
Deal found 4/30$351
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:00 amIDA - ORD
2 stops16h 56mAlaska Airlines
Wed 6/410:00 amORD - IDA
1 stop13h 34mAlaska Airlines
Deal found 4/30$360
This eDestinos deal was found by Cheapflights users on 4/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/35:49 pmIDA - ORD
2 stops14h 04mMultiple Airlines
Sun 7/65:40 amORD - IDA
1 stop12h 24mMultiple Airlines
Deal found 4/30$371
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:56 pmIDA - ORD
1 stop5h 03mUnited Airlines
Sat 10/42:53 pmORD - IDA
1 stop7h 11mUnited Airlines
Deal found 4/30$416
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:00 amIDA - MDW
2 stops10h 45mDelta
Wed 6/49:20 amMDW - IDA
2 stops9h 50mDelta
Deal found 4/30$489
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:00 amIDA - ORD
1 stop10h 00mHawaiian Airlines
Fri 5/93:44 pmORD - IDA
1 stop7h 52mHawaiian Airlines
Deal found 4/29$590

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 May 1, 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 - ORD

IDAORD

Idaho Falls Fanning Field

Wed 5/28

12:30 pm-9:40 pm

1 stop8h 10m

Chicago O'Hare Intl

Wed 6/4

1:40 pm-6:10 pm

1 stop5h 30m

$343

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 8/21

12:46 pm-5:11 pm

Nonstop3h 25m

Chicago O'Hare Intl

Wed 8/27

9:55 am-12:10 pm

Nonstop3h 15m

$351

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 5/28

6:00 am-11:56 pm

2 stops16h 56m

Chicago O'Hare Intl

Wed 6/4

10:00 am-10:34 pm

1 stop13h 34m

$360

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 7/3

5:49 pm-8:53 am

2 stops14h 04m

Chicago O'Hare Intl

Sun 7/6

5:40 am-5:04 pm

1 stop12h 24m

$371

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 10/2

5:56 pm-11:59 pm

1 stop5h 03m

Chicago O'Hare Intl

Sat 10/4

2:53 pm-9:04 pm

1 stop7h 11m

$416

Idaho FallsChicago

IDA - MDW

IDAMDW

Idaho Falls Fanning Field

Wed 5/28

6:00 am-5:45 pm

2 stops10h 45m

Chicago Midway

Wed 6/4

9:20 am-6:10 pm

2 stops9h 50m

$489

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 5/31

4:20 pm-11:59 pm

1 stop6h 39m

$171

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 5/30

12:30 pm-9:40 pm

1 stop8h 10m

$172

Idaho FallsChicago

IDA - MDW

IDAMDW

Idaho Falls Fanning Field

Sat 6/21

6:00 am-6:41 pm

2 stops11h 41m

$177

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 7/31

4:13 pm-12:30 am

1 stop7h 17m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 11 results
1
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Chicago flights, Cheapflights users trust 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, August is the cheapest month in which you can book a flight from Idaho Falls to Chicago (average of $245). Flying from Idaho Falls to Chicago in March is currently the most expensive (average of $321). 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 May 1, 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 at noon, which can drop the price by up to 15% versus a flight in the afternoon.

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 May 1, 2025.
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 1 airline.

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

    Flying on Delta is currently your cheapest option to Chicago, with prices starting at $343. Additional round-trip tickets that might be worth considering are offered by American Airlines and Alaska Airlines, with the lowest prices starting at $351 and $360, respectively. These flights start at 32% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Idaho Falls to Chicago one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $171. Delta flights start at $172 while deals on United Airlines start at $212 one-way.

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

    While on average a flight from Idaho Falls to Chicago is generally $323, our data shows the cheapest flight currently is $288. When looking at the most popular route, (Idaho Falls Fanning Field - Chicago O'Hare Intl), you can expect to pay $343 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, August is the cheapest month in which you can book a flight from Idaho Falls to Chicago (average of $245). Flying from Idaho Falls to Chicago in March is currently the most expensive (average of $321). 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
Merrillville
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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Alternative routes for Idaho Falls to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Idaho Falls to Chicago

Discover the top airline 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$361Average$653FlexibilityNo cancel feeOn-time69%

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