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Idaho

$105+ Cheap flights from Chicago (CHI) to Idaho

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BOI
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Chicago to Idaho

Cheapest flights from Chicago to Idaho
Explore the most affordable flight options available from Chicago to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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.
Thu 12/256:00 amORD - BOI
1 stop9h 49mDelta
Tue 1/65:40 amBOI - ORD
1 stop6h 42mDelta
Deal found 12/16$272
This Delta deal was found by Cheapflights users on 12/14. 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.
Thu 12/256:00 amORD - GEG
1 stop6h 41mDelta
Thu 1/1512:55 pmGEG - ORD
1 stop9h 04mDelta
Deal found 12/14$272
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/177:10 amORD - BOI
1 stop7h 25mUnited Airlines
Thu 1/812:19 pmBOI - ORD
Nonstop3h 40mUnited Airlines
Deal found 12/16$306
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/188:08 pmORD - GEG
Nonstop4h 22mUnited Airlines
Mon 1/511:59 pmGEG - ORD
Nonstop3h 48mUnited Airlines
Deal found 12/14$314
This Delta deal was found by Cheapflights users on 12/16. 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 12/177:20 amORD - BOI
2 stops12h 31mDelta
Thu 1/81:40 pmBOI - ORD
1 stop9h 13mDelta
Deal found 12/16$321
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/187:00 amORD - BOI
1 stop6h 42mAlaska Airlines
Tue 1/610:47 amBOI - ORD
1 stop12h 12mAlaska Airlines
Deal found 12/16$323
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/187:42 pmORD - BOI
Nonstop4h 17mUnited Airlines
Tue 1/612:19 pmBOI - ORD
Nonstop3h 40mUnited Airlines
Deal found 12/16$328
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/259:15 amORD - BOI
Nonstop4h 24mUnited Airlines
Tue 1/612:19 pmBOI - ORD
Nonstop3h 40mUnited Airlines
Deal found 12/16$332
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Fri 12/197:33 pmORD - GEG
Nonstop4h 10mAmerican Airlines
Sat 12/276:07 amGEG - ORD
Nonstop3h 50mAmerican Airlines
Deal found 12/15$332
This Delta deal was found by Cheapflights users on 12/14. 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.
Tue 12/168:50 amORD - GEG
1 stop6h 28mDelta
Mon 1/57:25 pmGEG - ORD
1 stop15h 57mDelta
Deal found 12/14$335
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/237:42 pmORD - BOI
Nonstop4h 17mUnited Airlines
Tue 12/3012:20 pmBOI - ORD
Nonstop3h 44mUnited Airlines
Deal found 12/16$340
This Delta deal was found by Cheapflights users on 12/15. 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.
Thu 12/255:59 pmMDW - BOI
1 stop6h 54mDelta
Sat 12/2711:47 pmBOI - MDW
1 stop8h 18mDelta
Deal found 12/15$347

Find flight deals from Chicago to Idaho

Keep the following information in mind while searching for Chicago to Idaho flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$192
(Kiwi.com)

One-way from

$105
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$422

Good round-trip deal

$352 or less

Good one-way deal

$127 or less
Provider with most accurate pricing for Chicago (CHI)-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Boise Air Term. Gowen Fld flights.
Search Deals
From Chicago (CHI) to Idaho
Search Deals
One-way flight from Chicago (CHI) to Idaho
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Idaho.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Idaho.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Idaho 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 December 16, 2025.
Use the filters below to find and compare flights from Chicago to Idaho that are best for you.

Fly from

Chicago

Fly to

Idaho

Route

Depart

Return

Price

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Sat 2/14

5:29 pm-11:01 pm

1 stop7h 32m

Spokane

Tue 2/17

12:00 pm-11:56 pm

1 stop9h 56m

$214

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Mon 2/23

3:07 pm-11:30 pm

1 stop9h 23m

Boise Air Term. Gowen Fld

Fri 2/27

5:40 am-1:11 pm

1 stop6h 31m

$228

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Sat 2/7

8:00 am-3:10 pm

1 stop8h 10m

Boise Air Term. Gowen Fld

Wed 2/11

1:55 pm-11:50 pm

1 stop8h 55m

$228

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 3/5

3:07 pm-11:30 pm

1 stop9h 23m

Boise Air Term. Gowen Fld

Mon 3/9

8:20 pm-1:11 pm

1 stop15h 51m

$228

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 2/19

3:07 pm-11:30 pm

1 stop9h 23m

Boise Air Term. Gowen Fld

Mon 2/23

6:00 pm-2:11 pm

1 stop19h 11m

$228

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 1/8

3:35 pm-11:01 pm

1 stop8h 26m

Boise Air Term. Gowen Fld

Mon 1/12

7:55 pm-2:29 pm

1 stop17h 34m

$228

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 1/29

6:06 pm-11:59 pm

1 stop6h 53m

Boise Air Term. Gowen Fld

Mon 2/2

5:40 am-1:10 pm

1 stop6h 30m

$228

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Wed 1/28

2:18 pm-8:08 pm

2 stops31h 50m

Spokane

Thu 2/5

12:03 pm-10:57 am

1 stop20h 54m

$233

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Sat 2/14

2:02 pm-9:17 pm

1 stop9h 15m

Spokane

Tue 2/17

7:00 am-12:36 pm

Nonstop3h 36m

$245

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Wed 4/15

4:35 pm-6:51 pm

Nonstop4h 16m

Spokane

Wed 4/22

4:05 pm-11:57 pm

1 stop5h 52m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
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Best time to book a flight from Chicago to Idaho

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

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

Currently, July is the cheapest month in which you can book a flight from Chicago to Idaho (average of $149). Flying from Chicago to Idaho in December is currently the most expensive (average of $288). 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 CHI to ID?

Find hourly flight availability from Chicago to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

It’s typically best to fly out from Chicago to Idaho in the evening. Doing so could potentially save you 20% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Chicago to Idaho?

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated December 16, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Chicago to Idaho by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,461 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,461 reviews
Alaska Airlines
8.0
Very good
11,461 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,250 reviews
Alaska Airlines
8.0
Very good
11,461 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,010 reviews
Alaska Airlines
8.0
Very good
11,461 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,461 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,048 reviews
Alaska Airlines
8.0
Very good
11,461 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

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

  • How long is the flight from Chicago to Idaho?

    Departing from Chicago to Idaho will take you 7h 06m. The distance between Chicago and Idaho is about 1159 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 to fly from Chicago to Idaho one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $87. Users have also found prices from $113 and $127 on Alaska Airlines and United Airlines, respectively.

  • What are the most popular routes from Chicago to Idaho?

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

  • What are the most reliable airlines from Chicago to Idaho?

    The top 3 most reliable airlines when flying from Chicago to Idaho are American Airlines (86%), Air Canada (81%) and Envoy Air (76%).

  • What are the cheapest flights from Chicago to Idaho?

    Looking at all options, your cheapest flight can be booked for $248. While the most popular route (Chicago O'Hare Intl - Jackson Hole) can be booked for $242 on average, our data indicates $419 when flying from Chicago to Idaho.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to Idaho 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 Chicago to Idaho?

    Currently, July is the cheapest month in which you can book a flight from Chicago to Idaho (average of $149). Flying from Chicago to Idaho in December is currently the most expensive (average of $288). 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.

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Alternative routes for Chicago to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Chicago to Idaho

Discover the top 4 airlines that operate flights from Chicago to Idaho. 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$174Average$335FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$237Average$382FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$249Average$536FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$254Average$339FlexibilityNo cancel feeOn-time63%

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