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$61+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BOI
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$194
(Hawaiian Airlines)

One-way from

$61
(FlightHub)

Popular in

November

Cheapest in

September

Average price

$385

Good round-trip deal

$322 or less

Good one-way deal

$153 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. 10% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in May 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 mayo 1, 2025.

This Delta deal was found by Cheapflights users on 4/28. 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.
sáb. 6/147:40 amORD - GEG
1 stop6h 19mDelta
mar. 6/2411:10 pmGEG - ORD
1 stop8h 59mDelta
Deal found 4/28$195
This Delta deal was found by Cheapflights users on 4/28. 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.
sáb. 6/149:21 amMDW - GEG
1 stop5h 56mDelta
mar. 6/2411:10 pmGEG - MDW
1 stop8h 31mDelta
Deal found 4/28$195
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/286:00 amORD - GEG
1 stop6h 53mHawaiian Airlines
mié. 6/411:33 amGEG - ORD
1 stop8h 50mHawaiian Airlines
Deal found 4/30$196
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/139:21 amMDW - BOI
1 stop5h 34mDelta
lun. 6/1611:40 pmBOI - MDW
1 stop9h 01mDelta
Deal found 4/30$197
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/186:15 pmORD - BOI
1 stop6h 44mDelta
vie. 7/2511:40 pmBOI - ORD
1 stop7h 52mDelta
Deal found 4/30$197
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/288:45 amORD - BOI
Nonstop3h 58mUnited Airlines
sáb. 5/312:35 pmBOI - ORD
1 stop7h 06mUnited Airlines
Deal found 4/30$201
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/35:25 pmORD - BOI
1 stop8h 15mSouthwest
lun. 10/61:05 pmBOI - ORD
1 stop8h 15mSouthwest
Deal found 4/29$215
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/282:33 pmORD - GEG
1 stop8h 15mUnited Airlines
mié. 6/47:00 amGEG - ORD
Nonstop3h 39mUnited Airlines
Deal found 4/30$215
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/308:25 amMDW - GEG
1 stop9h 15mSouthwest
vie. 6/67:15 amGEG - MDW
Nonstop3h 25mSouthwest
Deal found 4/30$217
This Orbitz deal was found by Cheapflights users on 4/30. 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.
dom. 6/19:02 pmORD - BOI
1 stop15h 19mMultiple Airlines
dom. 6/812:36 pmBOI - ORD
1 stop10h 23mMultiple Airlines
Deal found 4/30$218
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/266:15 amORD - GEG
2 stops9h 55mSouthwest
sáb. 8/3012:55 pmGEG - ORD
1 stop8h 10mSouthwest
Deal found 4/30$230
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/35:10 amMDW - BOI
1 stop5h 35mSouthwest
lun. 10/68:15 pmBOI - MDW
1 stop8h 00mSouthwest
Deal found 4/29$240

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 mayo 1, 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

sáb. 6/14

8:27 am-1:17 pm

1 stop6h 50m

Spokane

sáb. 6/28

6:50 am-3:03 pm

1 stop6h 13m

$195

ChicagoSpokane

MDW - GEG

MDWGEG

Chicago Midway

sáb. 6/14

9:21 am-1:17 pm

1 stop5h 56m

Spokane

mar. 6/24

11:10 pm-9:41 am

1 stop8h 31m

$195

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

mié. 5/28

6:00 am-10:53 am

1 stop6h 53m

Spokane

mié. 6/4

11:33 am-10:23 pm

1 stop8h 50m

$196

ChicagoBoise

MDW - BOI

MDWBOI

Chicago Midway

vie. 6/13

9:21 am-1:55 pm

1 stop5h 34m

Boise Air Term. Gowen Fld

vie. 6/20

11:40 pm-9:41 am

1 stop9h 01m

$197

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

vie. 7/18

6:15 pm-11:59 pm

1 stop6h 44m

Boise Air Term. Gowen Fld

vie. 7/25

11:40 pm-8:32 am

1 stop7h 52m

$197

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

mié. 5/28

8:45 am-11:43 am

Nonstop3h 58m

Boise Air Term. Gowen Fld

sáb. 5/31

2:35 pm-10:41 pm

1 stop7h 06m

$201

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

mié. 5/28

2:33 pm-8:48 pm

1 stop8h 15m

Spokane

mié. 6/4

7:00 am-12:39 pm

Nonstop3h 39m

$215

ChicagoSpokane

MDW - GEG

MDWGEG

Chicago Midway

vie. 5/30

8:25 am-3:40 pm

1 stop9h 15m

Spokane

vie. 6/6

7:15 am-12:40 pm

Nonstop3h 25m

$217

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

dom. 6/1

9:02 pm-11:21 am

1 stop15h 19m

Boise Air Term. Gowen Fld

dom. 6/8

12:36 pm-11:59 pm

1 stop10h 23m

$218

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

mar. 6/3

7:30 am-12:12 pm

1 stop5h 42m

West Yellowstone

mar. 6/10

12:53 pm-10:09 pm

1 stop8h 16m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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, 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 $406). 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 mayo 1, 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.

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 mayo 1, 2025.
See what other customers who have flown with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,408 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $61. Users have also found prices from $78 and $87 on United Airlines 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 - Jackson Hole, Chicago O'Hare Intl - Spokane and Chicago O'Hare Intl - 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 (82%), United Airlines (82%) and Air Canada (82%).

  • What are the cheapest flights from Chicago to Idaho?

    Looking at all options, your cheapest flight can be booked for $134. While the most popular route (Chicago O'Hare Intl - Jackson Hole) can be booked for $198 on average our data indicates $303 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 $406). 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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$129Average$231FlexibilityNo cancel feeOn-time65%
DeltaCheapest$174Average$381FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$204Average$338FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$237Average$340FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$258Average$348FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$289Average$594FlexibilityNo cancel feeOn-time69%

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