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$67+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BOI
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$198
(FlightHub)

One-way from

$67
(Mytrip)

Popular in

November

Cheapest in

September

Average price

$460

Good round-trip deal

$349 or less

Good one-way deal

$293 or less
Provider with most accurate pricing for Chicago (CHI)-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Boise Air Term. Gowen Fld flights.
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From Chicago (CHI) to Idaho
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One-way flight from Chicago (CHI) to Idaho
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Highest demand for flights based on searches. 7% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 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 Chicago (CHI) to Idaho.
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Price to beat on a one-way flight from Chicago (CHI) to Idaho.
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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 febrero 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/69:47 pmORD - BOI
1 stop15h 45mSpirit Airlines
lun. 3/101:31 pmBOI - ORD
1 stop16h 11mSpirit Airlines
Deal found 2/18$198
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.
mié. 4/168:50 amORD - GEG
1 stop6h 15mDelta
sáb. 4/266:00 amGEG - ORD
1 stop7h 05mDelta
Deal found 2/20$199
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/77:00 amORD - BOI
1 stop7h 52mMultiple Airlines
lun. 4/142:34 pmBOI - ORD
1 stop14h 59mMultiple Airlines
Deal found 2/19$201
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.
sáb. 4/267:00 pmMDW - BOI
1 stop5h 59mDelta
mar. 4/295:30 amBOI - MDW
1 stop7h 52mDelta
Deal found 2/20$229
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.
jue. 4/178:50 amORD - BOI
1 stop6h 40mDelta
dom. 4/205:59 pmBOI - ORD
1 stop5h 54mDelta
Deal found 2/20$229
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/47:45 amORD - BOI
1 stop9h 31mAlaska Airlines
mar. 3/119:40 amBOI - ORD
1 stop7h 20mAlaska Airlines
Deal found 2/18$248
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/217:00 amORD - GEG
1 stop6h 50mAlaska Airlines
lun. 8/257:15 pmGEG - ORD
1 stop7h 49mAlaska Airlines
Deal found 2/20$248
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/165:00 amORD - GEG
1 stop9h 45mAmerican Airlines
vie. 8/221:40 pmGEG - ORD
Nonstop3h 51mAmerican Airlines
Deal found 2/19$254
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.
sáb. 5/313:21 pmORD - GEG
1 stop19h 17mMultiple Airlines
lun. 6/26:03 pmGEG - ORD
2 stops27h 40mMultiple Airlines
Deal found 2/20$258
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.
mar. 5/65:25 pmORD - GEG
1 stop7h 50mSouthwest
mar. 5/1312:10 pmGEG - ORD
2 stops9h 30mSouthwest
Deal found 2/20$261
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.
mar. 3/116:00 amMDW - GEG
1 stop7h 55mDelta
dom. 3/237:24 pmGEG - MDW
2 stops11h 21mDelta
Deal found 2/20$269
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/45:02 amORD - BOI
1 stop5h 44mUnited Airlines
lun. 6/95:43 pmBOI - ORD
1 stop5h 42mUnited Airlines
Deal found 2/20$270

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

Fly from

Chicago

Fly to

Idaho

Route

Depart

Return

Price

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

jue. 3/6

9:47 pm-12:32 pm

1 stop15h 45m

Boise Air Term. Gowen Fld

lun. 3/10

1:31 pm-6:42 am

1 stop16h 11m

$198

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

mié. 4/16

8:50 am-1:05 pm

1 stop6h 15m

Spokane

sáb. 4/26

6:00 am-3:05 pm

1 stop7h 05m

$199

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

lun. 4/7

7:00 am-1:52 pm

1 stop7h 52m

Boise Air Term. Gowen Fld

lun. 4/14

2:34 pm-6:33 am

1 stop14h 59m

$201

ChicagoBoise

MDW - BOI

MDWBOI

Chicago Midway

sáb. 4/26

7:00 pm-11:59 pm

1 stop5h 59m

Boise Air Term. Gowen Fld

mar. 4/29

5:30 am-2:22 pm

1 stop7h 52m

$229

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

jue. 4/17

8:50 am-2:30 pm

1 stop6h 40m

Boise Air Term. Gowen Fld

dom. 4/20

5:59 pm-12:53 am

1 stop5h 54m

$229

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

mar. 3/4

7:45 am-4:16 pm

1 stop9h 31m

Boise Air Term. Gowen Fld

mar. 3/11

9:40 am-6:00 pm

1 stop7h 20m

$248

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

jue. 5/15

1:58 pm-9:13 pm

1 stop9h 15m

Spokane

mar. 5/20

5:34 am-5:06 pm

1 stop9h 32m

$256

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

mar. 5/6

5:25 pm-11:15 pm

1 stop7h 50m

Spokane

mar. 5/13

12:10 pm-11:40 pm

2 stops9h 30m

$261

ChicagoSpokane

MDW - GEG

MDWGEG

Chicago Midway

mar. 3/11

6:00 am-11:55 am

1 stop7h 55m

Spokane

dom. 3/23

7:24 pm-8:45 am

2 stops11h 21m

$269

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

mié. 6/4

5:02 am-9:46 am

1 stop5h 44m

Boise Air Term. Gowen Fld

lun. 6/9

5:43 pm-12:25 am

1 stop5h 42m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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, October is the cheapest month in which you can book a flight from Chicago to Idaho (average of $314). 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 febrero 20, 2025.

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 febrero 20, 2025.

The most flights from CHI to USID are scheduled on a Monday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 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 febrero 20, 2025.
See what other customers who have flown with Southwest, Alaska 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
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 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 $67. Users have also found prices from $93 and $100 on Frontier 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 Midway - Jackson Hole.

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

    The top 3 most reliable airlines when flying from Chicago to Idaho are Lufthansa (100%), SkyWest Airlines (86%) and United Airlines (86%).

  • What are the cheapest flights from Chicago to Idaho?

    Looking at all options, your cheapest flight can be booked for $253. While the most popular route (Chicago O'Hare Intl - Jackson Hole) can be booked for $340 on average our data indicates $386 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, October is the cheapest month in which you can book a flight from Chicago to Idaho (average of $314). 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.

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 6 airlines flying from Chicago to Idaho

Discover the top 6 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$129Average$233FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$227Average$338FlexibilityNo cancel feeOn-time75%
DeltaCheapest$228Average$342FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$377FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$258Average$353FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$317Average$630FlexibilityNo cancel feeOn-time69%
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