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

One-way options have recently been found by users for as low as $78 on United Airlines. Other airlines that offer cheap prices include Alaska Airlines from $87 and Southwest from $88 one-way.

What are the most popular routes from Idaho to Chicago?

The most popular flight routes from Idaho to Chicago are Boise Air Term. Gowen Fld - Chicago O'Hare Intl, Spokane - Chicago O'Hare Intl and Spokane - Chicago Midway.

What are the cheapest flights from Idaho to Chicago?

Looking for the cheapest flight from Idaho to Chicago? While on average our users pay $962, our data indicates the cheapest price to be $171. The most popular route (Boise Air Term. Gowen Fld - Chicago O'Hare Intl), is priced around $155.

What are the most reliable airlines from Idaho to Chicago?

Before booking your flight to Chicago from Idaho, check out the most reliable airlines to get you to your destination on time: Lufthansa (95%), SkyWest Airlines (93%), Air Canada( 93%).

What are the most popular airlines that fly from Idaho to Chicago?

Before booking your flight from Idaho to Chicago check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

How far in advance should I book a flight from Idaho to Chicago?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 44 days in advance, which can save you up to 77% on flights from Idaho to Chicago compared to booking the week you need them. Waiting 44 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $389. For sooner than that we have options available in the next 3 days from $445.

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

The best pricing can be found in the month of January. Prices to Chicago from Idaho average $400. You can even find prices in January for less than $400, as users have found deals to Chicago from as low as $206. The month of December appears to be one of the more expensive times to travel to Chicago from Idaho. Flying in the targeted month can save you up to 27%.

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

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

How can I find direct flights from Idaho to Chicago?

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

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

Yes. Cheapflights offers flight deals from Idaho 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.

$78+ Flights from Idaho to Chicago

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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”

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Cheap flight deals from Idaho to Chicago

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$174 (Alaska Airlines)
One-way from	$78 (United Airlines)
Popular in	December
Cheapest in	January
Average price	$408
Good round-trip deal	$323 or less
Good one-way deal	$139 or less

Provider with most accurate pricing for Boise Air Term. Gowen Fld-Chicago (CHI) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Chicago (CHI) flights.

Search Deals

From Idaho to Chicago (CHI)

Search Deals

One-way flight from Idaho to Chicago (CHI)

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

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

Search Deals

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

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Find flight deals from Idaho to Chicago

Cheapest flights from Idaho to Chicago
Explore the most affordable flight options available from Idaho to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Tue 5/208:59 pmBOI - ORD

1 stop7h 41mAlaska Airlines

Wed 5/288:00 amORD - BOI

1 stop8h 55mAlaska Airlines

Deal found 4/29

$174

Sat 6/1410:24 amBOI - MDW

1 stop5h 48mDelta

Sat 6/217:21 pmMDW - BOI

1 stop5h 30mDelta

Deal found 4/30

$175

Wed 5/215:45 amBOI - ORD

1 stop6h 45mDelta

Fri 5/306:20 pmORD - BOI

1 stop6h 52mDelta

Deal found 4/29

$175

Fri 5/3012:16 pmBOI - ORD

1 stop16h 09mSpirit Airlines

Sun 6/19:02 pmORD - BOI

1 stop15h 19mSpirit Airlines

Deal found 4/30

$178

Fri 6/61:40 pmGEG - ORD

1 stop8h 19mHawaiian Airlines

Sun 6/86:00 amORD - GEG

1 stop6h 53mHawaiian Airlines

Deal found 4/30

$198

Tue 5/275:00 amGEG - ORD

1 stop6h 30mDelta

Thu 5/291:40 pmORD - GEG

1 stop6h 39mDelta

Deal found 4/30

$199

Tue 5/277:25 pmGEG - MDW

2 stops11h 11mDelta

Tue 6/39:20 amMDW - GEG

1 stop5h 26mDelta

Deal found 4/29

$202

Fri 6/61:10 pmJAC - ORD

Nonstop3h 02mAmerican Airlines

Thu 6/121:22 pmORD - JAC

Nonstop3h 06mAmerican Airlines

Deal found 5/1

$211

Mon 7/77:00 amGEG - ORD

Nonstop3h 39mUnited Airlines

Mon 7/287:38 pmORD - GEG

Nonstop4h 21mUnited Airlines

Deal found 4/29

$211

Mon 5/197:06 pmBOI - ORD

1 stop9h 34mMultiple Airlines

Thu 5/229:02 pmORD - BOI

1 stop15h 19mMultiple Airlines

Deal found 4/30

$223

Mon 7/285:42 pmBOI - ORD

1 stop5h 48mUnited Airlines

Thu 7/318:45 amORD - BOI

Nonstop3h 58mUnited Airlines

Deal found 4/30

$224

Tue 5/278:59 pmBOI - ORD

1 stop7h 41mHawaiian Airlines

Sat 5/316:00 amORD - BOI

1 stop9h 05mHawaiian Airlines

Deal found 4/30

$234

Best flights from Idaho to Chicago
Discover carefully curated flight deals from Idaho to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Tue 5/208:59 pmBOI - ORD

1 stop7h 41mAlaska Airlines

Wed 5/288:00 amORD - BOI

1 stop8h 55mAlaska Airlines

Deal found 4/29

$174

Sat 6/1410:24 amBOI - MDW

1 stop5h 48mDelta

Sat 6/217:21 pmMDW - BOI

1 stop5h 30mDelta

Deal found 4/30

$175

Fri 5/3012:16 pmBOI - ORD

1 stop16h 09mSpirit Airlines

Sun 6/19:02 pmORD - BOI

1 stop15h 19mSpirit Airlines

Deal found 4/30

$178

Fri 6/61:40 pmGEG - ORD

1 stop8h 19mHawaiian Airlines

Sun 6/86:00 amORD - GEG

1 stop6h 53mHawaiian Airlines

Deal found 4/30

$198

Fri 6/61:10 pmJAC - ORD

Nonstop3h 02mAmerican Airlines

Thu 6/121:22 pmORD - JAC

Nonstop3h 06mAmerican Airlines

Deal found 5/1

$211

Mon 7/77:00 amGEG - ORD

Nonstop3h 39mUnited Airlines

Mon 7/287:38 pmORD - GEG

Nonstop4h 21mUnited Airlines

Deal found 4/29

$211

Mon 5/197:06 pmBOI - ORD

1 stop9h 34mMultiple Airlines

Thu 5/229:02 pmORD - BOI

1 stop15h 19mMultiple Airlines

Deal found 4/30

$223

Thu 6/1211:50 amGEG - MDW

1 stop10h 40mSouthwest

Mon 6/165:40 pmMDW - GEG

1 stop8h 15mSouthwest

Deal found 4/29

$236

Thu 5/2212:36 pmBOI - ORD

1 stop10h 16mFrontier

Thu 5/296:00 amORD - BOI

1 stop6h 51mFrontier

Deal found 4/29

$238

Wed 5/215:45 amBOI - ORD

1 stop6h 45mDelta

Fri 5/306:20 pmORD - BOI

1 stop6h 52mDelta

Deal found 4/29

$175

Tue 5/275:00 amGEG - ORD

1 stop6h 30mDelta

Thu 5/291:40 pmORD - GEG

1 stop6h 39mDelta

Deal found 4/30

$199

Mon 7/285:42 pmBOI - ORD

1 stop5h 48mUnited Airlines

Thu 7/318:45 amORD - BOI

Nonstop3h 58mUnited Airlines

Deal found 4/30

$224

Last-minute flights from Idaho to Chicago
Discover last-minute flight deals from Idaho to Chicago. Data last updated May 1, 2025 and is based on user searches.

Mon 5/56:05 amGEG - ORD

1 stop7h 20mSouthwest

Wed 5/77:00 amORD - GEG

2 stops11h 05mSouthwest

Deal found 4/29

$415

Tue 5/611:25 amBOI - ORD

1 stop5h 40mDelta

Wed 6/46:20 pmORD - BOI

1 stop6h 52mDelta

Deal found 4/30

$253

Tue 5/65:30 amBOI - MDW

1 stop7h 52mDelta

Wed 6/49:20 amMDW - BOI

2 stops8h 22mDelta

Deal found 4/30

$258

Tue 5/612:05 pmBOI - ORD

Nonstop3h 57mUnited Airlines

Wed 6/47:00 amORD - BOI

1 stop7h 50mUnited Airlines

Deal found 4/30

$279

Tue 5/611:45 amBOI - ORD

2 stops10h 20mSouthwest

Thu 5/82:55 pmORD - BOI

1 stop10h 55mSouthwest

Deal found 4/30

$458

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

Wed 5/712:46 pmJAC - ORD

1 stop5h 54mAmerican Airlines

Sun 5/115:00 amORD - JAC

1 stop8h 06mAmerican Airlines

Deal found 4/30

$419

Wed 5/711:45 amBOI - MDW

2 stops9h 10mSouthwest

Fri 5/93:05 pmMDW - BOI

2 stops9h 25mSouthwest

Deal found 4/30

$493

Thu 5/811:40 amJAC - ORD

2 stops7h 41mDelta

Sun 5/111:40 pmORD - JAC

1 stop8h 08mDelta

Deal found 4/30

$424

Sat 5/102:15 pmGEG - ORD

1 stop7h 44mDelta

Sat 5/243:43 pmORD - GEG

1 stop6h 08mDelta

Deal found 4/29

$247

Sat 5/107:00 amGEG - MDW

2 stops12h 14mDelta

Sat 5/241:55 pmMDW - GEG

1 stop7h 56mDelta

Deal found 4/30

$252

Sat 5/105:29 amGEG - ORD

1 stop5h 46mUnited Airlines

Sat 5/247:35 pmORD - GEG

Nonstop4h 21mUnited Airlines

Deal found 4/29

$392

One-way flights from Idaho to Chicago
Search for one-way flight options from Idaho to Chicago. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Tue 6/312:39 pmBOI - ORD

Nonstop3h 26mUnited Airlines

Deal found 4/30

$78

Tue 6/38:59 pmBOI - ORD

1 stop7h 41mAlaska Airlines

Deal found 4/30

$87

Wed 6/47:05 pmBOI - MDW

1 stop9h 15mSouthwest

Deal found 4/29

$88

Wed 6/46:00 amBOI - ORD

1 stop5h 43mDelta

Deal found 4/30

$88

Sat 6/77:05 amGEG - MDW

Nonstop3h 25mSouthwest

Deal found 4/29

$88

Tue 6/37:00 amGEG - ORD

Nonstop3h 39mUnited Airlines

Deal found 4/30

$88

Mon 6/3011:40 pmBOI - MDW

2 stops11h 49mDelta

Deal found 4/29

$93

Mon 6/26:03 pmGEG - ORD

1 stop10h 39mMultiple Airlines

Deal found 4/30

$93

Sat 5/319:30 amGEG - ORD

1 stop7h 25mAlaska Airlines

Deal found 4/30

$97

Tue 6/1011:10 pmGEG - MDW

1 stop8h 31mDelta

Deal found 4/29

$98

Sat 6/77:15 amGEG - ORD

1 stop8h 14mDelta

Deal found 4/30

$98

Wed 6/411:40 amJAC - ORD

1 stop9h 43mAlaska Airlines

Deal found 4/30

$109

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 5/20

7:06 pm-5:40 am

1 stop9h 34m

Chicago O'Hare Intl

Sat 5/31

6:00 am-2:05 pm

1 stop9h 05m

$174

BoiseChicago

BOI - MDW

BOIMDW

Boise Air Term. Gowen Fld

Sat 6/14

10:24 am-5:12 pm

1 stop5h 48m

Chicago Midway

Sat 6/21

7:21 pm-11:51 pm

1 stop5h 30m

$175

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 5/21

5:45 am-1:30 pm

1 stop6h 45m

Chicago O'Hare Intl

Sat 5/31

3:45 pm-8:34 pm

1 stop5h 49m

$175

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Fri 5/30

12:16 pm-5:25 am

1 stop16h 09m

Chicago O'Hare Intl

Sun 6/1

9:02 pm-11:21 am

1 stop15h 19m

$178

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Fri 6/6

1:40 pm-11:59 pm

1 stop8h 19m

Chicago O'Hare Intl

Sun 6/8

6:00 am-10:53 am

1 stop6h 53m

$198

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Tue 5/27

5:00 am-1:30 pm

1 stop6h 30m

Chicago O'Hare Intl

Thu 5/29

1:40 pm-6:19 pm

1 stop6h 39m

$199

SpokaneChicago

GEG - MDW

GEGMDW

Spokane

Tue 5/27

7:25 pm-8:36 am

2 stops11h 11m

Chicago Midway

Tue 6/3

9:20 am-12:46 pm

1 stop5h 26m

$202

JacksonChicago

JAC - ORD

JACORD

Jackson Hole

Fri 6/6

1:10 pm-5:12 pm

Nonstop3h 02m

Chicago O'Hare Intl

Thu 6/12

1:22 pm-3:28 pm

Nonstop3h 06m

$211

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Mon 7/7

7:00 am-12:39 pm

Nonstop3h 39m

Chicago O'Hare Intl

Mon 7/28

7:38 pm-9:59 pm

Nonstop4h 21m

$211

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Mon 5/19

7:06 pm-5:40 am

1 stop9h 34m

Chicago O'Hare Intl

Thu 5/22

9:02 pm-11:21 am

1 stop15h 19m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 results

...

Best time to book a flight from Idaho to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Idaho 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 to Chicago

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

Currently, August is the cheapest month in which you can book a flight from Idaho to Chicago (average of $245). Flying from Idaho 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 ID to CHI?

When flying from Idaho to Chicago, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Chicago 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

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

To help decide which airline to fly from Idaho to Chicago, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,968 reviews

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

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,294 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

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

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.9

Good

2,409 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

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

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

What are the cheapest airlines to fly from Idaho to Chicago one-way?
One-way options have recently been found by users for as low as $78 on United Airlines. Other airlines that offer cheap prices include Alaska Airlines from $87 and Southwest from $88 one-way.
What are the most popular routes from Idaho to Chicago?
The most popular flight routes from Idaho to Chicago are Boise Air Term. Gowen Fld - Chicago O'Hare Intl, Spokane - Chicago O'Hare Intl and Spokane - Chicago Midway.
What are the most reliable airlines from Idaho to Chicago?
Before booking your flight to Chicago from Idaho, check out the most reliable airlines to get you to your destination on time: Lufthansa (95%), SkyWest Airlines (93%), Air Canada( 93%).
What are the cheapest flights from Idaho to Chicago?
Looking for the cheapest flight from Idaho to Chicago? While on average our users pay $962, our data indicates the cheapest price to be $171. The most popular route (Boise Air Term. Gowen Fld - Chicago O'Hare Intl), is priced around $155.
Can I find deals for flights from Idaho to Chicago that include hotel bookings?
Yes. In addition to deals on Idaho to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho to Chicago?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Chicago.
Can I find deals for business class flights from Idaho to Chicago?
Yes. Cheapflights offers flight deals from Idaho 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 to Chicago?
Currently, August is the cheapest month in which you can book a flight from Idaho to Chicago (average of $245). Flying from Idaho 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

Hammond

Benton Harbor

Porter

Lansing

Valparaiso

Chesterton

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Idaho to Chicago

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$127	Average$309	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$186	Average$378	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$196	Average$396	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$217	Average$333	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$268	Average$572	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$324	Average$384	FlexibilityNo cancel fee	On-time63%

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$78+ Cheap flights from Idaho 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho 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 to Chicago

Keep the following information in mind while searching for Idaho to Chicago flight deals. Data was last updated May 1, 2025.

Most accurate provider

Most trusted provider

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 to Chicago

Cheapest flights from Idaho to ChicagoExplore the most affordable flight options available from Idaho to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Idaho to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Idaho to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Idaho with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Chicago

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

What is the cheapest time of day to fly from ID to CHI?

Find hourly flight availability from Idaho 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.

Rainfall in Chicago by month

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

Temperature in Chicago by month

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

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.

To help decide which airline to fly from Idaho to Chicago, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

What are the most popular routes from Idaho to Chicago?

What are the most reliable airlines from Idaho to Chicago?

What are the cheapest flights from Idaho to Chicago?

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

How can I find direct flights from Idaho to Chicago?

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

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

Traveling to a place near Idaho?

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Alternative routes for Idaho to Chicago

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

Top 6 airlines flying from Idaho to Chicago

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Cheapest flights from Idaho to Chicago
Explore the most affordable flight options available from Idaho to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.