HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chicago

$105+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CHI
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho 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 to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Idaho (USID) 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 November 20, 2024.

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 November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/18. 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.
Mon 12/911:57 amBOI - ORD
3 stops35h 37mSpirit Airlines
Thu 12/129:53 pmORD - BOI
1 stop14h 05mSpirit Airlines
Deal found 11/18$245
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/611:10 amBOI - ORD
1 stop5h 52mDelta
Tue 12/177:10 pmORD - BOI
1 stop6h 33mDelta
Deal found 11/20$248
This Delta deal was found by Cheapflights users on 11/19. 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 12/41:25 pmGEG - ORD
1 stop6h 33mDelta
Wed 12/117:10 pmORD - GEG
1 stop6h 38mDelta
Deal found 11/19$263
This Delta deal was found by Cheapflights users on 11/19. 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.
Sat 12/712:52 pmGEG - MDW
1 stop7h 14mDelta
Tue 12/106:00 amMDW - GEG
1 stop7h 42mDelta
Deal found 11/19$264
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/315:20 pmBOI - ORD
1 stop5h 31mUnited Airlines
Tue 1/712:45 pmORD - BOI
1 stop6h 17mUnited Airlines
Deal found 11/19$268
This eDestinos deal was found by Cheapflights users on 11/19. 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.
Fri 12/62:00 pmBOI - ORD
2 stops14h 30mMultiple Airlines
Mon 12/93:21 pmORD - BOI
1 stop24h 29mMultiple Airlines
Deal found 11/19$322
This Delta deal was found by Cheapflights users on 11/19. 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 12/115:35 amBOI - MDW
1 stop6h 56mDelta
Tue 12/172:15 pmMDW - BOI
2 stops11h 28mDelta
Deal found 11/19$328
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:00 pmBOI - ORD
2 stops8h 35mSouthwest
Mon 1/64:00 pmORD - BOI
1 stop7h 55mSouthwest
Deal found 11/20$333
This Delta deal was found by Cheapflights users on 11/20. 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 12/116:55 pmIDA - ORD
2 stops12h 24mDelta
Fri 12/131:45 pmORD - IDA
2 stops10h 10mDelta
Deal found 11/20$334
This Southwest deal was found by Cheapflights users on 11/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:55 amBOI - MDW
1 stop8h 20mSouthwest
Thu 1/23:40 pmMDW - BOI
1 stop9h 25mSouthwest
Deal found 11/18$383
This Southwest deal was found by Cheapflights users on 11/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:50 amGEG - MDW
2 stops9h 50mSouthwest
Wed 12/114:20 pmMDW - GEG
1 stop7h 20mSouthwest
Deal found 11/19$393
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/42:09 pmBOI - ORD
1 stop9h 11mAmerican Airlines
Sun 12/86:00 amORD - BOI
1 stop8h 31mAmerican Airlines
Deal found 11/18$398

Find flights from Idaho to Chicago within your budget

Customize your flight search to find flights from Idaho 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Mon 12/9

11:57 am-12:34 am

3 stops35h 37m

Chicago O'Hare Intl

Thu 12/12

9:53 pm-10:58 am

1 stop14h 05m

$245

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Fri 12/6

11:10 am-6:02 pm

1 stop5h 52m

Chicago O'Hare Intl

Tue 12/17

7:10 pm-12:43 am

1 stop6h 33m

$248

SpokaneChicago

GEG - MDW

GEGMDW

Spokane

Wed 1/8

6:00 am-6:14 pm

2 stops10h 14m

Chicago Midway

Wed 1/22

10:19 am-9:07 pm

2 stops12h 48m

$248

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Wed 12/4

1:25 pm-9:58 pm

1 stop6h 33m

Chicago O'Hare Intl

Wed 12/11

7:10 pm-11:48 pm

1 stop6h 38m

$263

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 12/31

5:20 pm-11:51 pm

1 stop5h 31m

Chicago O'Hare Intl

Mon 1/6

4:00 pm-9:33 pm

1 stop6h 33m

$268

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Thu 3/6

10:51 am-11:59 pm

1 stop11h 08m

Chicago O'Hare Intl

Tue 3/11

4:05 pm-8:41 pm

1 stop6h 36m

$283

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 1/30

2:40 pm-11:59 pm

1 stop8h 19m

Chicago O'Hare Intl

Mon 2/3

3:35 pm-4:19 pm

2 stops25h 44m

$292

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Fri 1/10

5:15 am-4:45 pm

2 stops10h 30m

Chicago O'Hare Intl

Mon 1/13

6:15 am-11:15 am

1 stop6h 00m

$313

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 1/4

11:57 am-5:30 am

1 stop16h 33m

Chicago O'Hare Intl

Sat 1/11

10:47 pm-9:49 am

1 stop12h 02m

$320

BoiseChicago

BOI - MDW

BOIMDW

Boise Air Term. Gowen Fld

Wed 12/11

5:35 am-1:31 pm

1 stop6h 56m

Chicago Midway

Tue 12/17

2:15 pm-12:43 am

2 stops11h 28m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 58 results
1
2
3
...
6

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.

Travel insights for flights from Idaho to Chicago

Get recent, data-driven insights about flights from Idaho to Chicago including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Idaho to Chicago (average of $232). Flying from Idaho to Chicago in June is currently the most expensive (average of $308). 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?

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 November 20, 2024.

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.

Weekly flight availability from Idaho to Chicago

Explore weekly flight availability from Idaho to Chicago. 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 November 20, 2024.

The most flights from USID to CHI are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

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 November 20, 2024.
To help decide which airline to fly from Idaho to Chicago, see what other customers have to say about Spirit Airlines, American Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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?

    One-way options have recently been found by users for as low as $105 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $114 and United Airlines from $151 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: Air Canada (85%), Emirates (85%), Lufthansa( 85%).

  • What are the cheapest flights from Idaho to Chicago?

    Looking for the cheapest flight from Idaho to Chicago? While on average our users pay $1,081, our data indicates the cheapest price to be $213. The most popular route (Boise Air Term. Gowen Fld - Chicago O'Hare Intl), is priced around $184.

  • 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, September is the cheapest month in which you can book a flight from Idaho to Chicago (average of $232). Flying from Idaho to Chicago in June is currently the most expensive (average of $308). 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

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 to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to O'Hare Intl flights
John F Kennedy Intl to O'Hare Intl flights
Los Angeles to O'Hare Intl flights
LaGuardia to O'Hare Intl flights
Boston to O'Hare Intl flights
Newark to O'Hare Intl flights
Seattle to O'Hare Intl flights
Newark to Midway flights
Orlando to O'Hare Intl flights
Dallas/Fort Worth to Midway flights
Atlanta to O'Hare Intl flights
San Francisco to O'Hare Intl flights
Baltimore to O'Hare Intl flights
Denver to O'Hare Intl flights
Dulles Intl to O'Hare Intl flights
Philadelphia to O'Hare Intl flights
John F Kennedy Intl to Midway flights
Reagan-National to O'Hare Intl flights
Atlanta to Midway flights
Hobby to O'Hare Intl flights
Sky Harbor Intl to O'Hare Intl flights
Miami to O'Hare Intl flights
Minneapolis to O'Hare Intl flights
Fort Lauderdale to O'Hare Intl flights
George Bush Intcntl to O'Hare Intl flights
LaGuardia to Midway flights
Los Angeles to Midway flights
Santa Ana to O'Hare Intl flights
Charlotte to O'Hare Intl flights
Raleigh to O'Hare Intl flights
Hobby to Midway flights
Baltimore to Midway flights
Burbank to O'Hare Intl flights
Ontario to O'Hare Intl flights
San Diego to O'Hare Intl flights
Tampa to O'Hare Intl flights
Minneapolis to Midway flights
Seattle to Midway flights
Dulles Intl to Midway flights
Orlando to Midway flights
Portland to O'Hare Intl flights
San Francisco to Midway flights
Austin to O'Hare Intl flights
Philadelphia to Midway flights
Miami to Midway flights
Newark to St. Louis flights
Love Field to O'Hare Intl flights
Denver to Midway flights
Nashville to O'Hare Intl flights
LaGuardia to St. Louis flights

Top 5 airlines flying from Idaho to Chicago

Discover the top 5 airlines that operate flights from Idaho 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$114Average$208FlexibilityNo cancel feeOn-time65%
DeltaCheapest$185Average$346FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$215Average$338FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$228Average$349FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$291Average$586FlexibilityNo 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.
View all available airlines