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Idaho

$65+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BOI
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find 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 October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/28. 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.
Wed 11/126:05 pmORD - GEG
1 stop19h 03mFrontier
Sun 11/1612:03 pmGEG - ORD
1 stop10h 12mFrontier
Deal found 10/28$171
This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:59 pmORD - GEG
1 stop21h 21mMultiple Airlines
Thu 12/412:08 pmGEG - ORD
1 stop10h 04mMultiple Airlines
Deal found 10/30$226
This Orbitz deal was found by Cheapflights users on 10/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amORD - GEG
1 stop7h 08mMultiple Airlines
Sun 11/168:59 pmGEG - ORD
1 stop7h 23mMultiple Airlines
Deal found 10/30$229
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 12/53:05 pmORD - GEG
1 stop10h 54mAlaska Airlines
Tue 12/97:00 amGEG - ORD
1 stop10h 54mAlaska Airlines
Deal found 10/29$231
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 12/55:51 pmORD - GEG
1 stop7h 23mAlaska Airlines
Mon 12/81:33 pmGEG - ORD
1 stop8h 26mAlaska Airlines
Deal found 10/29$248
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/510:25 amORD - GEG
Nonstop4h 05mAmerican Airlines
Tue 12/91:14 pmGEG - ORD
Nonstop4h 03mAmerican Airlines
Deal found 10/29$252
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amORD - GEG
1 stop7h 08mFrontier
Sun 11/1612:03 pmGEG - ORD
2 stops24h 01mFrontier
Deal found 10/30$260
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:54 pmORD - GEG
1 stop11h 02mMultiple Airlines
Thu 11/1312:03 pmGEG - ORD
1 stop10h 12mMultiple Airlines
Deal found 10/29$262
This American Airlines deal was found by Cheapflights users on 10/30. 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 12/510:25 amORD - GEG
Nonstop4h 05mAmerican Airlines
Mon 12/81:14 pmGEG - ORD
Nonstop4h 03mAmerican Airlines
Deal found 10/30$263
This Delta deal was found by Cheapflights users on 10/28. 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 12/162:30 pmORD - GEG
2 stops11h 29mDelta
Thu 12/251:12 pmGEG - ORD
1 stop8h 47mDelta
Deal found 10/28$265
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/299:15 amORD - GEG
Nonstop4h 16mUnited Airlines
Tue 12/21:47 pmGEG - ORD
1 stop8h 12mUnited Airlines
Deal found 10/29$267
This Delta deal was found by Cheapflights users on 10/29. 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 11/267:02 pmMDW - BOI
1 stop6h 07mDelta
Wed 12/35:35 amBOI - MDW
1 stop6h 35mDelta
Deal found 10/29$269

Cheap flight deals from Chicago to Idaho

Keep the following information in mind while searching for Chicago to Idaho flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$171
(Mytrip)

One-way from

$65
(Frontier)

Popular in

November

Cheapest in

September

Average price

$324

Good round-trip deal

$295 or less

Good one-way deal

$277 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. 10% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 30, 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 1/17

3:35 pm-11:04 pm

1 stop9h 29m

Spokane

Mon 1/19

12:32 pm-1:10 pm

1 stop22h 38m

$225

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Tue 12/16

3:05 pm-11:59 pm

1 stop10h 54m

Spokane

Thu 12/25

8:00 am-5:12 pm

1 stop7h 12m

$231

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Sat 1/17

9:16 am-11:39 am

Nonstop4h 23m

Spokane

Tue 1/20

11:25 am-5:10 pm

Nonstop3h 45m

$235

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Fri 12/5

3:35 pm-11:14 pm

1 stop9h 39m

Spokane

Mon 12/8

1:33 pm-11:59 pm

1 stop8h 26m

$248

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Sun 2/15

7:45 pm-9:52 pm

Nonstop4h 07m

Spokane

Sat 2/21

7:00 am-12:36 pm

Nonstop3h 36m

$252

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Fri 12/19

8:08 pm-10:30 pm

Nonstop4h 22m

Spokane

Sat 12/27

11:59 pm-5:47 am

Nonstop3h 48m

$252

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Thu 11/13

6:00 am-11:08 am

1 stop7h 08m

Spokane

Sun 11/16

12:03 pm-2:04 pm

2 stops24h 01m

$260

ChicagoBoise

MDW - BOI

MDWBOI

Chicago Midway

Wed 11/26

7:02 pm-12:09 am

1 stop6h 07m

Boise Air Term. Gowen Fld

Wed 12/3

5:35 am-1:10 pm

1 stop6h 35m

$269

ChicagoBoise

MDW - BOI

MDWBOI

Chicago Midway

Thu 12/11

10:05 am-4:50 pm

1 stop7h 45m

Boise Air Term. Gowen Fld

Sun 12/14

5:00 am-12:35 pm

1 stop6h 35m

$269

ChicagoBoise

MDW - BOI

MDWBOI

Chicago Midway

Wed 11/26

7:02 pm-12:09 am

1 stop6h 07m

Boise Air Term. Gowen Fld

Thu 11/27

1:49 pm-11:40 pm

1 stop8h 51m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 January is currently the most expensive (average of $271). 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 October 30, 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 October 30, 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
11,217 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,217 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,243 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,035 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 4h 23m. The distance between Chicago and Idaho is about 1493 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 Alaska Airlines. According to our data, you can fly for as low as $107. Users have also found prices from $128 and $190 on Southwest and Delta, 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 United Airlines (90%), Air Canada (88%) and Lufthansa (83%).

  • What are the cheapest flights from Chicago to Idaho?

    Looking at all options, your cheapest flight can be booked for $178. While the most popular route (Chicago O'Hare Intl - Jackson Hole) can be booked for $289 on average, our data indicates $336 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 January is currently the most expensive (average of $271). 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

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$174Average$335FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$237Average$377FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$254Average$348FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$257Average$550FlexibilityNo cancel feeOn-time69%

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