How long is the flight from Idaho Falls to Chicago?

For as low as $371, Hawaiian Airlines can have you in Chicago from Idaho Falls in 5h 03m. 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 American Airlines is currently your cheapest option to Chicago, with prices starting at $323. Another option worth looking into is United Airlines, starting at $361 round trip. These flights start at 37% lower than the current average price 3 months from now.

What is the cheapest day to fly from Idaho Falls to Chicago?

Travelers seeking maximum savings on their Idaho Falls to Chicago flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What are the cheapest flights from Idaho Falls to Chicago?

While on average a flight from Idaho Falls to Chicago is generally $377, our data shows the cheapest flight currently is $260. When looking at the most popular route, (Idaho Falls Fanning Field - Chicago O'Hare Intl), you can expect to pay $291 for that flight.

What is the cheapest day to fly round-trip from Idaho Falls to Chicago?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 64% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Idaho Falls to Chicago?

Our data shows that June tends to be the cheapest month to fly to Chicago from Idaho Falls. Users have commonly found prices around $517 for the month, but tickets can be as low as $316. Due to multiple factors, prepare for potentially higher prices in March.

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 is 1 flight from Fanning Field to Chicago per day from 2 different airlines.

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.

$113+ Cheap Flights from Idaho Falls to Chicago

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Idaho Falls to Chicago 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 Idaho Falls to Chicago

Round-trip from	$272 (Kiwi.com)
One-way from	$113 (Kiwi.com)
Popular in	March
Cheapest in	June
Average price	$371
Good round-trip deal	$387 or less
Good one-way deal	$297 or less

From Idaho Falls Fanning Field to Chicago (CHI)

Search Deals

One-way flight from Idaho Falls Fanning Field to Chicago (CHI)

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($124 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($36 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from Idaho Falls Fanning Field to Chicago (CHI).

Search Deals

Price to beat on a one-way flight from Idaho Falls Fanning Field to Chicago (CHI).

Search Deals

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 September 11, 2025.

Fri 11/710:56 pmIDA - ORD

2 stops24h 16mMultiple Airlines

Sun 11/910:43 pmORD - IDA

1 stop15h 24mMultiple Airlines

Deal found 9/10

$291

Fri 10/310:57 pmIDA - ORD

1 stop11h 54mMultiple Airlines

Sun 10/51:03 pmORD - IDA

1 stop24h 46mMultiple Airlines

Deal found 9/10

$312

Sat 11/13:50 pmIDA - ORD

1 stop7h 34mHawaiian Airlines

Tue 11/48:00 amORD - IDA

1 stop8h 13mHawaiian Airlines

Deal found 9/10

$313

Sat 11/13:50 pmIDA - ORD

1 stop7h 34mHawaiian Airlines

Sat 11/153:25 pmORD - IDA

1 stop9h 34mHawaiian Airlines

Deal found 9/10

$322

Mon 9/299:39 pmIDA - ORD

2 stops19h 35mMultiple Airlines

Sun 10/51:03 pmORD - IDA

1 stop24h 46mMultiple Airlines

Deal found 9/10

$329

Fri 10/310:57 pmIDA - ORD

1 stop11h 54mMultiple Airlines

Mon 10/66:35 amORD - IDA

1 stop7h 14mMultiple Airlines

Deal found 9/10

$332

Fri 10/310:57 pmIDA - ORD

1 stop11h 54mMultiple Airlines

Thu 10/91:26 pmORD - IDA

2 stops27h 48mMultiple Airlines

Deal found 9/10

$334

Mon 9/299:39 pmIDA - ORD

2 stops19h 35mMultiple Airlines

Mon 10/66:35 amORD - IDA

1 stop7h 14mMultiple Airlines

Deal found 9/10

$349

Wed 10/13:57 pmIDA - ORD

1 stop7h 06mAlaska Airlines

Tue 10/76:00 amORD - IDA

1 stop17h 38mAlaska Airlines

Deal found 9/10

$362

Sat 11/16:05 amIDA - ORD

2 stops22h 55mAlaska Airlines

Tue 11/48:00 amORD - IDA

1 stop8h 13mAlaska Airlines

Deal found 9/10

$366

Fri 10/241:11 pmIDA - ORD

Nonstop3h 17mAmerican Airlines

Mon 10/279:45 amORD - IDA

Nonstop3h 40mAmerican Airlines

Deal found 9/10

$371

Fri 11/76:53 pmIDA - MDW

2 stops13h 47mDelta

Sun 11/96:00 amMDW - IDA

2 stops13h 17mDelta

Deal found 9/9

$845

Best flights from Idaho Falls to Chicago
Discover carefully curated flight deals from Idaho Falls to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Sat 11/13:50 pmIDA - ORD

1 stop7h 34mHawaiian Airlines

Tue 11/48:00 amORD - IDA

1 stop8h 13mHawaiian Airlines

Deal found 9/10

$313

Wed 10/13:57 pmIDA - ORD

1 stop7h 06mAlaska Airlines

Tue 10/76:00 amORD - IDA

1 stop17h 38mAlaska Airlines

Deal found 9/10

$362

Wed 10/85:56 pmIDA - ORD

1 stop5h 03mUnited Airlines

Fri 10/105:01 amORD - IDA

1 stop5h 47mUnited Airlines

Deal found 9/10

$371

Fri 10/241:11 pmIDA - ORD

Nonstop3h 17mAmerican Airlines

Mon 10/279:45 amORD - IDA

Nonstop3h 40mAmerican Airlines

Deal found 9/11

$371

Tue 3/106:45 pmIDA - MDW

2 stops13h 09mDelta

Wed 3/111:00 pmMDW - IDA

2 stops10h 21mDelta

Deal found 9/9

$551

Sat 11/13:50 pmIDA - ORD

1 stop7h 34mHawaiian Airlines

Sat 11/153:25 pmORD - IDA

1 stop9h 34mHawaiian Airlines

Deal found 9/10

$322

Sat 11/16:05 amIDA - ORD

2 stops22h 55mAlaska Airlines

Tue 11/48:00 amORD - IDA

1 stop8h 13mAlaska Airlines

Deal found 9/10

$366

Sat 11/12:45 pmIDA - ORD

1 stop5h 13mUnited Airlines

Sat 11/151:00 pmORD - IDA

1 stop5h 46mUnited Airlines

Deal found 9/10

$381

Sat 11/16:05 amIDA - ORD

2 stops22h 55mAlaska Airlines

Sat 11/158:00 amORD - IDA

1 stop8h 13mAlaska Airlines

Deal found 9/10

$377

Thu 10/95:00 amIDA - ORD

1 stop5h 28mUnited Airlines

Sun 10/125:01 amORD - IDA

1 stop5h 47mUnited Airlines

Deal found 9/10

$406

Tue 10/74:15 pmIDA - ORD

2 stops25h 44mAlaska Airlines

Tue 10/147:59 pmORD - IDA

2 stops27h 39mAlaska Airlines

Deal found 9/10

$405

Fri 10/244:15 pmIDA - ORD

1 stop13h 09mAlaska Airlines

Mon 10/2710:00 amORD - IDA

1 stop14h 59mAlaska Airlines

Deal found 9/11

$408

Last-minute flights from Idaho Falls to Chicago
Discover last-minute flight deals from Idaho Falls to Chicago. Data last updated September 11, 2025 and is based on user searches.

Sat 9/273:57 pmIDA - ORD

1 stop7h 06mAlaska Airlines

Tue 10/76:00 amORD - IDA

1 stop17h 38mAlaska Airlines

Deal found 9/10

$387

Mon 9/299:39 pmIDA - ORD

2 stops19h 35mMultiple Airlines

Sun 10/51:03 pmORD - IDA

1 stop24h 46mMultiple Airlines

Deal found 9/10

$329

Mon 9/299:39 pmIDA - ORD

2 stops19h 35mMultiple Airlines

Mon 10/66:35 amORD - IDA

1 stop7h 14mMultiple Airlines

Deal found 9/10

$349

Tue 9/302:35 pmIDA - ORD

1 stop7h 04mUnited Airlines

Tue 10/75:01 amORD - IDA

1 stop5h 47mUnited Airlines

Deal found 9/10

$381

Wed 10/13:57 pmIDA - ORD

1 stop7h 06mAlaska Airlines

Tue 10/76:00 amORD - IDA

1 stop17h 38mAlaska Airlines

Deal found 9/10

$362

Fri 10/310:57 pmIDA - ORD

1 stop11h 54mMultiple Airlines

Sun 10/51:03 pmORD - IDA

1 stop24h 46mMultiple Airlines

Deal found 9/10

$312

Fri 10/310:57 pmIDA - ORD

1 stop11h 54mMultiple Airlines

Mon 10/66:35 amORD - IDA

1 stop7h 14mMultiple Airlines

Deal found 9/10

$332

Fri 10/310:57 pmIDA - ORD

1 stop11h 54mMultiple Airlines

Thu 10/91:26 pmORD - IDA

2 stops27h 48mMultiple Airlines

Deal found 9/10

$334

Fri 10/310:57 pmIDA - ORD

1 stop11h 54mMultiple Airlines

Fri 10/106:50 amORD - IDA

2 stops16h 22mMultiple Airlines

Deal found 9/10

$396

Sat 10/46:00 amIDA - MDW

2 stops10h 35mDelta

Mon 10/131:08 pmMDW - IDA

2 stops10h 07mDelta

Deal found 9/9

$949

Tue 10/76:00 amIDA - ORD

1 stop10h 03mAlaska Airlines

Tue 10/147:59 pmORD - IDA

2 stops27h 39mAlaska Airlines

Deal found 9/10

$393

Fri 10/241:11 pmIDA - ORD

Nonstop3h 17mAmerican Airlines

Mon 10/279:45 amORD - IDA

Nonstop3h 40mAmerican Airlines

Deal found 9/10

$371

One-way flights from Idaho Falls to Chicago
Search for one-way flight options from Idaho Falls to Chicago. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Fri 10/1010:57 pmIDA - ORD

1 stop24h 20mMultiple Airlines

Deal found 9/10

$113

Sun 12/74:39 pmIDA - ORD

1 stop12h 46mMultiple Airlines

Deal found 9/10

$132

Mon 10/67:40 pmIDA - ORD

1 stop24h 08mMultiple Airlines

Deal found 9/10

$133

Mon 12/88:16 pmIDA - ORD

1 stop9h 09mMultiple Airlines

Deal found 9/10

$137

Mon 11/107:56 pmIDA - ORD

1 stop9h 29mMultiple Airlines

Deal found 9/11

$145

Fri 11/710:56 pmIDA - ORD

2 stops24h 16mMultiple Airlines

Deal found 9/10

$153

Mon 10/137:40 pmIDA - ORD

1 stop24h 08mMultiple Airlines

Deal found 9/10

$156

Fri 10/3110:57 pmIDA - MDW

2 stops36h 33mMultiple Airlines

Deal found 9/11

$178

Thu 10/3010:13 pmIDA - MDW

2 stops18h 02mMultiple Airlines

Deal found 9/11

$204

Tue 10/146:00 amIDA - MDW

3 stops30h 38mMultiple Airlines

Deal found 9/11

$479

Tue 10/146:00 amIDA - MDW

2 stops11h 25mDelta

Deal found 9/11

$755

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 11/1

3:50 pm-12:24 am

1 stop7h 34m

Chicago O'Hare Intl

Tue 11/4

8:00 am-3:13 pm

1 stop8h 13m

$313

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 11/1

3:50 pm-12:24 am

1 stop7h 34m

Chicago O'Hare Intl

Sat 11/15

3:25 pm-11:59 pm

1 stop9h 34m

$322

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 10/1

3:57 pm-12:03 am

1 stop7h 06m

Chicago O'Hare Intl

Tue 10/7

6:00 am-10:38 pm

1 stop17h 38m

$362

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 11/1

6:05 am-6:00 am

2 stops22h 55m

Chicago O'Hare Intl

Tue 11/4

8:00 am-3:13 pm

1 stop8h 13m

$366

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Wed 10/8

5:56 pm-11:59 pm

1 stop5h 03m

Chicago O'Hare Intl

Fri 10/10

5:01 am-9:48 am

1 stop5h 47m

$371

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Fri 10/24

1:11 pm-5:28 pm

Nonstop3h 17m

Chicago O'Hare Intl

Mon 10/27

9:45 am-12:25 pm

Nonstop3h 40m

$371

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 11/1

6:05 am-6:00 am

2 stops22h 55m

Chicago O'Hare Intl

Sat 11/15

8:00 am-3:13 pm

1 stop8h 13m

$377

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Sat 11/1

2:45 pm-8:58 pm

1 stop5h 13m

Chicago O'Hare Intl

Sat 11/15

1:00 pm-5:46 pm

1 stop5h 46m

$381

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Tue 10/7

4:15 pm-6:59 pm

2 stops25h 44m

Chicago O'Hare Intl

Tue 10/14

7:59 pm-10:38 pm

2 stops27h 39m

$405

Idaho FallsChicago

IDA - ORD

IDAORD

Idaho Falls Fanning Field

Thu 10/9

5:00 am-11:28 am

1 stop5h 28m

Chicago O'Hare Intl

Sun 10/12

5:01 am-9:48 am

1 stop5h 47m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 36 results

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?

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 morning, which can drop the price by up to 34% versus a flight in the afternoon.

Weekly flight availability from Idaho Falls to Chicago

The most flights from IDA to CHI 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 Chicago

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

8.0

Very good

7,960 reviews

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

7,960 reviews

Delta

8.0

Very good

7,960 reviews

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

8,937 reviews

Delta

8.0

Very good

7,960 reviews

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

7,960 reviews

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

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 is 1 flight 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 $371, Hawaiian Airlines can have you in Chicago from Idaho Falls in 5h 03m. 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 American Airlines is currently your cheapest option to Chicago, with prices starting at $323. Another option worth looking into is United Airlines, starting at $361 round trip. These flights start at 37% 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 $377, our data shows the cheapest flight currently is $260. When looking at the most popular route, (Idaho Falls Fanning Field - Chicago O'Hare Intl), you can expect to pay $291 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

Merrillville

Lansing

Hammond

Benton Harbor

Porter

Chesterton

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Idaho Falls to Chicago

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$323	Average$401	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$361	Average$490	FlexibilityNo cancel fee	On-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.

$113+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho Falls to Chicago with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Idaho Falls to Chicago

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Idaho Falls to Chicago

Cheapest flights from Idaho Falls to ChicagoExplore 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 September 11, 2025.

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 September 11, 2025.

Cheapflights Fare Finder

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

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.

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?

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 September 11, 2025.

Weekly flight availability from Idaho Falls to Chicago

Reviews of airlines servicing Chicago

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.

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?

How long is the flight from Idaho Falls to Chicago?

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

What are the cheapest flights from Idaho Falls to Chicago?

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

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

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

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

Traveling to a place near Chicago?

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 for Idaho Falls to Chicago

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Idaho Falls to Chicago

100% Free

Book with Flexibility

Travel Smart

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 September 11, 2025.