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$67+ Cheap flights from Chicago (CHI) to Boise (BOI)

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 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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The best prices from Chicago to Boise Air Term. Gowen Fld are usually found in September or January, booked 77 days in advance, depart on a Saturday or Friday and return on a Saturday

Cheap flight deals from Chicago to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Boise (BOI). 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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$183
(Delta)

One-way from

$71
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$460

Good round-trip deal

$409 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 Boise Air Term. Gowen Fld
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One-way flight from Chicago (CHI) to Boise Air Term. Gowen Fld
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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 Boise Air Term. Gowen Fld.
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Price to beat on a one-way flight from Chicago (CHI) to Boise Air Term. Gowen Fld.
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Find flight deals from Chicago to Boise

Cheapest flights from Chicago to Boise
Explore the most affordable flight options available from Chicago to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/152:15 pmORD - BOI
1 stop7h 17mDelta
Sat 4/194:40 pmBOI - ORD
1 stop6h 19mDelta
Deal found 2/21$183
This FlightHub deal was found by Cheapflights users on 2/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/112:42 pmORD - BOI
1 stop22h 50mSpirit Airlines
Tue 3/181:31 pmBOI - ORD
1 stop16h 11mSpirit Airlines
Deal found 2/21$190
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/102:05 pmORD - BOI
1 stop9h 36mMultiple Airlines
Mon 4/142:34 pmBOI - ORD
1 stop14h 59mMultiple Airlines
Deal found 2/20$201
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:16 pmORD - BOI
1 stop18h 16mAlaska Airlines
Mon 4/148:59 pmBOI - ORD
1 stop8h 00mAlaska Airlines
Deal found 2/21$203
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/310:25 amMDW - BOI
2 stops11h 07mDelta
Sun 4/65:30 amBOI - MDW
1 stop7h 47mDelta
Deal found 2/21$211
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/169:45 amORD - BOI
Nonstop3h 55mAmerican Airlines
Tue 8/191:20 pmBOI - ORD
Nonstop3h 35mAmerican Airlines
Deal found 2/20$249
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.
Wed 6/45:02 amORD - BOI
1 stop5h 44mUnited Airlines
Mon 6/95:43 pmBOI - ORD
1 stop5h 42mUnited Airlines
Deal found 2/20$270
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.
Wed 5/148:40 amMDW - BOI
1 stop6h 45mSouthwest
Sat 5/1710:35 amBOI - MDW
1 stop7h 15mSouthwest
Deal found 2/20$284
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.
Wed 5/77:30 amORD - BOI
2 stops9h 25mSouthwest
Tue 5/134:20 pmBOI - ORD
1 stop5h 45mSouthwest
Deal found 2/20$294
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/46:00 amORD - BOI
1 stop7h 22mHawaiian Airlines
Mon 6/94:01 pmBOI - ORD
1 stop6h 55mHawaiian Airlines
Deal found 2/19$354

Find flights from Chicago to Boise within your budget

Customize your flight search to find flights from Chicago to Boise 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 February 22, 2025.

Fly from

Chicago

Fly to

Boise

Route

Depart

Return

Price

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Tue 4/15

2:15 pm-8:32 pm

1 stop7h 17m

Boise Air Term. Gowen Fld

Sat 4/19

4:40 pm-11:59 pm

1 stop6h 19m

$183

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Tue 3/11

2:42 pm-12:32 pm

1 stop22h 50m

Boise Air Term. Gowen Fld

Tue 3/18

1:31 pm-6:42 am

1 stop16h 11m

$190

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 4/10

2:05 pm-10:41 pm

1 stop9h 36m

Boise Air Term. Gowen Fld

Mon 4/14

2:34 pm-6:33 am

1 stop14h 59m

$201

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Mon 4/7

7:16 pm-12:32 pm

1 stop18h 16m

Boise Air Term. Gowen Fld

Mon 4/14

8:59 pm-5:59 am

1 stop8h 00m

$203

ChicagoBoise

MDW - BOI

MDWBOI

Chicago Midway

Thu 4/3

10:25 am-8:32 pm

2 stops11h 07m

Boise Air Term. Gowen Fld

Sun 4/6

5:30 am-2:17 pm

1 stop7h 47m

$211

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Sat 8/16

9:45 am-12:40 pm

Nonstop3h 55m

Boise Air Term. Gowen Fld

Tue 8/19

1:20 pm-5:55 pm

Nonstop3h 35m

$249

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Wed 6/4

5:02 am-9:46 am

1 stop5h 44m

Boise Air Term. Gowen Fld

Mon 6/9

5:43 pm-12:25 am

1 stop5h 42m

$270

ChicagoBoise

MDW - BOI

MDWBOI

Chicago Midway

Wed 5/14

8:40 am-2:25 pm

1 stop6h 45m

Boise Air Term. Gowen Fld

Sat 5/17

10:35 am-6:50 pm

1 stop7h 15m

$284

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Wed 5/7

7:30 am-3:55 pm

2 stops9h 25m

Boise Air Term. Gowen Fld

Tue 5/13

4:20 pm-11:05 pm

1 stop5h 45m

$294

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Wed 6/4

7:00 am-12:46 pm

1 stop6h 46m

Boise Air Term. Gowen Fld

Sun 6/8

4:01 pm-11:56 pm

1 stop6h 55m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 19 results
1
2

Compare providers for flights from Chicago to Boise

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Boise in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise 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 Boise

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

How far ahead should I book a flight from Chicago to Boise?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Boise. Price data was last updated on February 14, 2025.

The price you pay for your flight from Chicago to Boise may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Chicago to Boise (average of $314). Flying from Chicago to Boise 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 BOI?

Find hourly flight availability from Chicago to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 44% on flights from Chicago to Boise by exploring options for tickets at noon.

What is the cheapest day to fly from Chicago to Boise?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Boise. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Boise flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to Boise

Explore weekly flight availability from Chicago to Boise. 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 February 22, 2025.

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

Rainfall in Boise by month

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

In terms of precipitation, rainfall in Boise 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 Boise when rainfall is around 0.2 in.

Temperature in Boise by month

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

If weather is an important factor for your trip to Boise, 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 Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated February 22, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Chicago to Boise have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,396 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.7

Food

7.1

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
4,396 reviews
Southwest
8.1
Very good
4,396 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.7

Food

7.1

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
9,697 reviews
Southwest
8.1
Very good
4,396 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.7

Food

7.1

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
8,213 reviews
Southwest
8.1
Very good
4,396 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.7

Food

7.1

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
2,314 reviews
Southwest
8.1
Very good
4,396 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.7

Food

7.1

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
8,759 reviews
Southwest
8.1
Very good
4,396 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.7

Food

7.1

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 Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boise from Chicago?

    Boise Air Term. Gowen Fld (BOI), located 3.3 mi from the city center, is the airport you fly into when you book flights from Chicago to Boise. 6 airlines have flights to Air Term. Gowen Fld from Chicago on a regular basis. Booking flights from Chicago to Boise Air Term. Gowen Fld should not be difficult; the airport handles an average of 5 inbound flights from Chicago per day.

  • What are the cheapest airlines flying from Chicago to Boise round-trip?

    Cheapflights users have booked flights from Chicago to Boise round-trip from $183. Other airlines that can offer you cheap pricing are Spirit Airlines, from $190, and Alaska Airlines, from $203. Delta is currently priced 59% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chicago to Boise one-way?

    The cheapest airlines for a one-way flight from Chicago to Boise are Spirit Airlines ($71), Delta ($92), and Frontier ($104).

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Boise on time: Lufthansa (100%), SkyWest Airlines (86%), United Airlines (86%).

  • What are the cheapest flights from Chicago to Boise?

    On average you can expect to pay $386 for a flight from Chicago to Boise. The cheapest flight overall is $253 while the most popular route, (Chicago O'Hare Intl - Boise Air Term. Gowen Fld) is currently priced at $186.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Chicago to Boise (average of $314). Flying from Chicago to Boise 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

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Alternative routes for Chicago to Boise

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 Boise

Discover the top 6 airlines that operate flights from Chicago to Boise. 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 February 22, 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$584FlexibilityNo cancel feeOn-time69%
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