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$66+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BOI
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Chicago to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Idaho (USID). 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 21, 2024.

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 November 21, 2024.

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.
Tue 12/314:50 pmMDW - BOI
1 stop8h 05mDelta
Tue 1/145:30 amBOI - MDW
1 stop6h 16mDelta
Deal found 11/20$248
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.
Tue 12/107:10 pmORD - BOI
1 stop6h 33mDelta
Tue 12/171:43 pmBOI - ORD
1 stop9h 15mDelta
Deal found 11/20$248
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/59:53 pmORD - BOI
1 stop14h 05mSpirit Airlines
Sun 12/811:57 amBOI - ORD
1 stop25h 29mSpirit Airlines
Deal found 11/20$257
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.
Mon 12/162:10 pmORD - GEG
1 stop12h 00mDelta
Fri 1/35:05 amGEG - ORD
1 stop16h 54mDelta
Deal found 11/20$274
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/66:33 pmORD - BOI
2 stops21h 17mMultiple Airlines
Sun 12/810:50 pmBOI - ORD
1 stop14h 36mMultiple Airlines
Deal found 11/20$277
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/77:39 pmORD - BOI
Nonstop4h 05mUnited Airlines
Wed 12/115:26 pmBOI - ORD
1 stop5h 56mUnited Airlines
Deal found 11/20$279
This United Airlines deal was found by Cheapflights users on 11/21. 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 12/178:45 amORD - GEG
1 stop8h 31mUnited Airlines
Sat 12/2811:59 pmGEG - ORD
Nonstop3h 42mUnited Airlines
Deal found 11/21$279
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/129:15 amORD - JAC
Nonstop3h 20mUnited Airlines
Tue 12/1712:45 pmJAC - ORD
Nonstop2h 58mUnited Airlines
Deal found 11/20$309
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/166:32 amORD - GEG
1 stop16h 22mAlaska Airlines
Wed 1/15:00 amGEG - ORD
1 stop21h 40mAlaska Airlines
Deal found 11/20$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.
Sat 12/76:20 amMDW - BOI
1 stop7h 00mSouthwest
Wed 12/117:00 amBOI - MDW
2 stops7h 55mSouthwest
Deal found 11/20$373
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.
Fri 12/61:50 pmORD - JAC
1 stop8h 21mDelta
Tue 12/101:20 pmJAC - ORD
1 stop7h 43mDelta
Deal found 11/19$378
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/189:54 pmORD - GEG
1 stop12h 47mMultiple Airlines
Sun 12/229:31 amGEG - ORD
2 stops20h 39mMultiple Airlines
Deal found 11/20$384

Find flights from Chicago to Idaho within your budget

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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Tue 1/21

7:20 pm-11:57 pm

1 stop6h 37m

Spokane

Sat 1/25

5:00 am-1:15 pm

1 stop6h 15m

$237

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Tue 1/21

6:55 pm-11:43 pm

1 stop6h 48m

Spokane

Sat 1/25

5:48 pm-1:07 pm

2 stops17h 19m

$241

ChicagoSpokane

MDW - GEG

MDWGEG

Chicago Midway

Tue 1/21

6:59 pm-10:51 pm

1 stop5h 52m

Spokane

Sat 1/25

5:35 am-5:47 pm

2 stops10h 12m

$243

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Fri 1/17

2:10 pm-8:29 pm

1 stop7h 19m

Boise Air Term. Gowen Fld

Tue 1/21

5:30 am-6:25 pm

2 stops11h 55m

$246

ChicagoBoise

MDW - BOI

MDWBOI

Chicago Midway

Tue 12/31

4:50 pm-11:55 pm

1 stop8h 05m

Boise Air Term. Gowen Fld

Tue 1/14

5:30 am-12:46 pm

1 stop6h 16m

$248

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Wed 1/8

9:00 am-12:20 pm

Nonstop4h 20m

Boise Air Term. Gowen Fld

Tue 1/14

12:15 pm-5:00 pm

Nonstop3h 45m

$249

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Sun 1/5

9:54 pm-11:02 am

1 stop14h 08m

Boise Air Term. Gowen Fld

Sun 1/12

7:33 pm-5:30 am

1 stop8h 57m

$258

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Fri 12/6

6:33 pm-2:50 pm

2 stops21h 17m

Boise Air Term. Gowen Fld

Sun 12/8

10:50 pm-2:26 pm

1 stop14h 36m

$277

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Tue 12/17

8:45 am-3:16 pm

1 stop8h 31m

Spokane

Sat 12/28

11:59 pm-5:41 am

Nonstop3h 42m

$279

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 2/13

4:05 pm-11:59 pm

1 stop8h 54m

Boise Air Term. Gowen Fld

Tue 2/18

9:40 am-11:59 pm

1 stop13h 19m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 59 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.

Travel insights for flights from Chicago to Idaho

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

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

Currently, January is the cheapest month in which you can book a flight from Chicago to Idaho (average of $310). Flying from Chicago to Idaho in June is currently the most expensive (average of $436). 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 November 21, 2024.

When flying from Chicago to Idaho, 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 Chicago to Idaho

Explore weekly flight availability from Chicago to Idaho. 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 21, 2024.

The most flights from CHI to USID are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 November 21, 2024.
See what other customers who have flown with United Airlines, Spirit Airlines and Delta from Chicago to Idaho have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

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
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

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 Chicago to Idaho. 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 Chicago to Idaho one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $66. Users have also found prices from $114 and $137 on Delta and Alaska 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 - Boise Air Term. Gowen Fld, Chicago O'Hare Intl - Jackson Hole and Chicago Midway - Boise Air Term. Gowen Fld.

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

    The top 3 most reliable airlines when flying from Chicago to Idaho are SkyWest Airlines (89%), Air Canada (89%) and United Airlines (89%).

  • What are the cheapest flights from Chicago to Idaho?

    Looking at all options, your cheapest flight can be booked for $293. While the most popular route (Chicago O'Hare Intl - Boise Air Term. Gowen Fld) can be booked for $226 on average our data indicates $441 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, January is the cheapest month in which you can book a flight from Chicago to Idaho (average of $310). Flying from Chicago to Idaho in June is currently the most expensive (average of $436). 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 5 airlines flying from Chicago to Idaho

Discover the top 5 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$115Average$239FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$138Average$339FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$216Average$413FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$345FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$338Average$623FlexibilityNo cancel feeOn-time69%
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