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$65+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CHI
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$206
(Delta)

One-way from

$65
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$323

Good round-trip deal

$460 or less

Good one-way deal

$209 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Chicago (CHI) flights.
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From Idaho to Chicago (CHI)
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One-way flight from Idaho to Chicago (CHI)
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Idaho to Chicago (CHI).
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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 febrero 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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.
dom. 4/204:40 pmBOI - ORD
1 stop6h 19mDelta
sáb. 5/37:45 amORD - BOI
1 stop7h 45mDelta
Deal found 2/20$206
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/111:31 pmBOI - ORD
1 stop16h 11mSpirit Airlines
dom. 3/167:47 amORD - BOI
1 stop29h 45mSpirit Airlines
Deal found 2/19$222
This Delta deal was found by Cheapflights users on 2/19. 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.
mar. 4/85:30 amBOI - MDW
1 stop7h 47mDelta
sáb. 4/127:13 pmMDW - BOI
1 stop5h 36mDelta
Deal found 2/19$229
This Delta deal was found by Cheapflights users on 2/19. 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.
lun. 3/171:55 pmGEG - ORD
1 stop7h 58mDelta
mié. 3/266:15 amORD - GEG
1 stop8h 43mDelta
Deal found 2/19$239
This Delta deal was found by Cheapflights users on 2/19. 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.
dom. 3/910:45 pmGEG - MDW
1 stop8h 24mDelta
mié. 3/127:09 pmMDW - GEG
1 stop5h 31mDelta
Deal found 2/19$244
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/2912:44 pmGEG - ORD
1 stop14h 20mAlaska Airlines
lun. 9/17:00 amORD - GEG
1 stop6h 50mAlaska Airlines
Deal found 2/19$248
This United Airlines deal was found by Cheapflights users on 2/19. 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.
jue. 3/208:30 amBOI - ORD
Nonstop3h 40mUnited Airlines
jue. 3/2710:50 amORD - BOI
1 stop8h 00mUnited Airlines
Deal found 2/19$260
This Southwest deal was found by Cheapflights users on 2/19. 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.
jue. 3/65:30 amGEG - MDW
1 stop7h 05mSouthwest
mar. 3/115:00 pmMDW - GEG
1 stop8h 10mSouthwest
Deal found 2/19$264
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/51:40 pmGEG - ORD
Nonstop3h 51mAmerican Airlines
lun. 6/910:59 amORD - GEG
Nonstop4h 00mAmerican Airlines
Deal found 2/20$269
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/79:30 pmBOI - ORD
2 stops30h 56mMultiple Airlines
mié. 3/129:16 amORD - BOI
2 stops28h 16mMultiple Airlines
Deal found 2/20$276
This Southwest deal was found by Cheapflights users on 2/20. 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.
sáb. 5/1010:35 amBOI - MDW
1 stop7h 15mSouthwest
mar. 5/138:40 amMDW - BOI
1 stop6h 45mSouthwest
Deal found 2/20$284
This United Airlines deal was found by Cheapflights users on 2/19. 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.
jue. 7/1011:31 amGEG - ORD
Nonstop3h 44mUnited Airlines
mar. 7/157:10 amORD - GEG
1 stop7h 25mUnited Airlines
Deal found 2/19$291

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 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

Idaho

Fly to

Chicago

Route

Depart

Return

Price

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

dom. 4/20

4:40 pm-11:59 pm

1 stop6h 19m

Chicago O'Hare Intl

sáb. 5/3

7:45 am-2:30 pm

1 stop7h 45m

$206

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

mar. 3/11

1:31 pm-6:42 am

1 stop16h 11m

Chicago O'Hare Intl

dom. 3/16

7:47 am-12:32 pm

1 stop29h 45m

$222

BoiseChicago

BOI - MDW

BOIMDW

Boise Air Term. Gowen Fld

mar. 4/8

5:30 am-2:17 pm

1 stop7h 47m

Chicago Midway

sáb. 4/12

7:13 pm-11:49 pm

1 stop5h 36m

$229

SpokaneChicago

GEG - MDW

GEGMDW

Spokane

vie. 4/11

10:45 pm-9:07 am

1 stop8h 22m

Chicago Midway

vie. 4/18

6:04 am-11:48 am

1 stop7h 44m

$239

SpokaneChicago

GEG - ORD

GEGORD

Spokane

vie. 4/11

2:00 pm-9:45 pm

1 stop5h 45m

Chicago O'Hare Intl

jue. 4/17

8:50 am-1:05 pm

1 stop6h 15m

$239

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

jue. 3/20

8:30 am-1:10 pm

Nonstop3h 40m

Chicago O'Hare Intl

jue. 3/27

10:50 am-5:50 pm

1 stop8h 00m

$260

SpokaneChicago

GEG - MDW

GEGMDW

Spokane

jue. 3/6

5:30 am-2:35 pm

1 stop7h 05m

Chicago Midway

mar. 3/11

5:00 pm-11:10 pm

1 stop8h 10m

$264

SpokaneChicago

GEG - ORD

GEGORD

Spokane

jue. 6/5

1:40 pm-7:31 pm

Nonstop3h 51m

Chicago O'Hare Intl

lun. 6/9

10:59 am-12:59 pm

Nonstop4h 00m

$269

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

vie. 3/7

9:30 pm-5:26 am

2 stops30h 56m

Chicago O'Hare Intl

mié. 3/12

9:16 am-12:32 pm

2 stops28h 16m

$276

BoiseChicago

BOI - MDW

BOIMDW

Boise Air Term. Gowen Fld

sáb. 5/10

10:35 am-6:50 pm

1 stop7h 15m

Chicago Midway

mar. 5/13

8:40 am-2:25 pm

1 stop6h 45m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
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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, 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?

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 febrero 20, 2025.

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 febrero 20, 2025.

The most flights from USID to CHI are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 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 febrero 20, 2025.
To help decide which airline to fly from Idaho to Chicago, see what other customers have to say about Southwest, Alaska 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
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $65 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $76 and Alaska Airlines from $99 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 (91%), SkyWest Airlines (90%), Air Canada( 90%).

  • What are the cheapest flights from Idaho to Chicago?

    Looking for the cheapest flight from Idaho to Chicago? While on average our users pay $948, our data indicates the cheapest price to be $178. The most popular route (Boise Air Term. Gowen Fld - Chicago O'Hare Intl), is priced around $198.

  • 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

Traveling to a place near Idaho?

Book flights to Idaho if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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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.
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Top 6 airlines flying from Idaho to Chicago

Discover the top 6 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 2,558,603 searches. Data last updated febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$114Average$208FlexibilityNo cancel feeOn-time65%
DeltaCheapest$185Average$412FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$217Average$353FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$228Average$378FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$258Average$384FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$290Average$591FlexibilityNo cancel feeOn-time69%
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