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$77+ Cheap flights from Boise (BOI) to Chicago (CHI)

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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CHI
Mar 19 — Mar 261
Wed 3/19
Wed 3/26
1 adult, Economy
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The best prices from Boise Air Term. Gowen Fld to Chicago are usually found in January or February, booked 46 days in advance, depart on a Wednesday or Saturday and return on a Saturday

Cheap flight deals from Boise to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Chicago (CHI). 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 March 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$232
(Expedia)

One-way from

$77
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$389

Good round-trip deal

$436 or less

Good one-way deal

$253 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Chicago (CHI) flights.
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From Boise Air Term. Gowen Fld to Chicago (CHI)
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One-way flight from Boise Air Term. Gowen Fld to Chicago (CHI)
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Boise Air Term. Gowen Fld to Chicago (CHI).
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Price to beat on a one-way flight from Boise Air Term. Gowen Fld to Chicago (CHI).
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Find flight deals from Boise to Chicago

Cheapest flights from Boise to Chicago
Explore the most affordable flight options available from Boise to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2025.

This Expedia deal was found by Cheapflights users on 3/12. 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.
Wed 7/94:00 pmBOI - ORD
1 stop6h 44mMultiple Airlines
Sun 7/135:40 amORD - BOI
1 stop7h 06mMultiple Airlines
Deal found 3/12$232
This Alaska Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 5/284:01 pmBOI - ORD
1 stop6h 55mAlaska Airlines
Sat 5/317:00 amORD - BOI
1 stop6h 46mAlaska Airlines
Deal found 3/13$234
This Mytrip deal was found by Cheapflights users on 3/13. 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.
Mon 4/141:52 pmBOI - ORD
2 stops14h 53mSpirit Airlines
Tue 4/152:58 pmORD - BOI
1 stop22h 59mSpirit Airlines
Deal found 3/13$237
This Delta deal was found by Cheapflights users on 3/11. 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 4/1111:30 pmBOI - MDW
1 stop8h 37mDelta
Mon 4/147:00 pmMDW - BOI
1 stop6h 03mDelta
Deal found 3/11$239
This Delta deal was found by Cheapflights users on 3/13. 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 4/36:10 amBOI - ORD
1 stop5h 28mDelta
Sun 4/67:30 amORD - BOI
1 stop9h 30mDelta
Deal found 3/13$239
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/105:25 pmBOI - ORD
1 stop6h 10mUnited Airlines
Mon 4/147:35 pmORD - BOI
Nonstop4h 14mUnited Airlines
Deal found 3/13$250
This Southwest deal was found by Cheapflights users on 3/13. 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.
Tue 4/17:10 pmBOI - MDW
1 stop9h 10mSouthwest
Fri 4/44:00 pmMDW - BOI
1 stop8h 40mSouthwest
Deal found 3/13$269
This Frontier deal was found by Cheapflights users on 3/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1512:36 pmBOI - ORD
1 stop10h 25mFrontier
Tue 7/225:40 amORD - BOI
1 stop7h 06mFrontier
Deal found 3/13$270
This American Airlines deal was found by Cheapflights users on 3/13. 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 6/281:15 pmBOI - ORD
Nonstop3h 37mAmerican Airlines
Sat 7/56:00 amORD - BOI
1 stop9h 45mAmerican Airlines
Deal found 3/13$280
This Hawaiian Airlines deal was found by Cheapflights users on 3/13. 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.
Thu 10/22:45 pmBOI - ORD
1 stop8h 14mHawaiian Airlines
Sun 10/57:00 amORD - BOI
1 stop6h 44mHawaiian Airlines
Deal found 3/13$285
This Southwest deal was found by Cheapflights users on 3/13. 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 5/2812:30 pmBOI - ORD
2 stops10h 10mSouthwest
Tue 6/32:50 pmORD - BOI
1 stop8h 40mSouthwest
Deal found 3/13$334

Find flights from Boise to Chicago within your budget

Customize your flight search to find flights from Boise to Chicago 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 March 14, 2025.

Fly from

Boise

Fly to

Chicago

Route

Depart

Return

Price

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 7/9

4:00 pm-11:44 pm

1 stop6h 44m

Chicago O'Hare Intl

Sun 7/13

5:40 am-11:46 am

1 stop7h 06m

$232

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 5/28

4:01 pm-11:56 pm

1 stop6h 55m

Chicago O'Hare Intl

Sat 5/31

7:00 am-12:46 pm

1 stop6h 46m

$234

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Mon 4/14

1:52 pm-5:45 am

2 stops14h 53m

Chicago O'Hare Intl

Tue 4/15

2:58 pm-12:57 pm

1 stop22h 59m

$237

BoiseChicago

BOI - MDW

BOIMDW

Boise Air Term. Gowen Fld

Fri 4/11

11:30 pm-9:07 am

1 stop8h 37m

Chicago Midway

Mon 4/14

7:00 pm-12:03 am

1 stop6h 03m

$239

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 4/3

6:10 am-12:38 pm

1 stop5h 28m

Chicago O'Hare Intl

Sun 4/6

7:30 am-4:00 pm

1 stop9h 30m

$239

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 4/10

5:25 pm-12:35 am

1 stop6h 10m

Chicago O'Hare Intl

Mon 4/14

7:35 pm-10:49 pm

Nonstop4h 14m

$250

BoiseChicago

BOI - MDW

BOIMDW

Boise Air Term. Gowen Fld

Tue 4/1

7:10 pm-5:20 am

1 stop9h 10m

Chicago Midway

Fri 4/4

4:00 pm-11:40 pm

1 stop8h 40m

$269

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 7/15

12:36 pm-12:01 am

1 stop10h 25m

Chicago O'Hare Intl

Tue 7/22

5:40 am-11:46 am

1 stop7h 06m

$270

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 6/28

1:15 pm-5:52 pm

Nonstop3h 37m

Chicago O'Hare Intl

Sat 7/5

6:00 am-2:45 pm

1 stop9h 45m

$280

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 5/28

12:30 pm-11:40 pm

2 stops10h 10m

Chicago O'Hare Intl

Tue 6/3

2:50 pm-10:30 pm

1 stop8h 40m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 24 results
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Compare providers for flights from Boise to Chicago

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 Boise to Chicago in March.
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 Boise-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Chicago 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 Boise-Chicago 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 Boise to Chicago

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boise to Chicago. Price data was last updated on March 7, 2025.

To ensure you get the cheapest price possible for a flight from Boise to Chicago, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Boise to Chicago (average of $245). Flying from Boise to Chicago in March is currently the most expensive (average of $327). 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 BOI to CHI?

Find hourly flight availability from Boise to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 14, 2025.

It’s typically best to fly out from Boise to Chicago in the evening. Doing so could potentially save you 64% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Boise to Chicago. Price data was last updated on June 30, 2024.

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

Weekly flight availability from Boise to Chicago

Explore weekly flight availability from Boise to Chicago. 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 March 14, 2025.

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

Rainfall in Chicago by month

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

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated March 14, 2025.
Read through reviews of airlines operating flights from Boise to Chicago, such as Southwest, Alaska Airlines and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,292 reviews

Comfort

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,292 reviews
Southwest
8.1
Very good
4,292 reviews

Comfort

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,734 reviews
Southwest
8.1
Very good
4,292 reviews

Comfort

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
7,944 reviews
Southwest
8.1
Very good
4,292 reviews

Comfort

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Hawaiian Airlines
7.9
Good
2,318 reviews
Southwest
8.1
Very good
4,292 reviews

Comfort

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,623 reviews
Southwest
8.1
Very good
4,292 reviews

Comfort

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Boise to Chicago. 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 from for flights from Boise to Chicago?

    If you book a flight to Chicago from Boise, you will be flying from Air Term. Gowen Fld, which is the city’s only airport. Boise Air Term. Gowen Fld (BOI) is located 3.3 mi from the center of Boise. There are 5 flights from Air Term. Gowen Fld to Chicago per day from 6 different airlines.

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

    Our cheapest airline available from Boise to Chicago is Alaska Airlines. Our recent data shows that you can find tickets from as low as $234 on this airline. Additional options worth looking into are Spirit Airlines and Delta, starting at $237 and $239 round-trip. Users have found that Alaska Airlines is 41% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $77. Frontier flights start at $80 while deals on Alaska Airlines start at $98 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Boise to Chicago consider choosing Emirates (95%), Lufthansa (91%) or SkyWest Airlines (91%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Boise to Chicago?

    The cheapest flight price from Boise to Chicago is $189. On average you can expect to pay $1,644. The most popular route, (Boise Air Term. Gowen Fld - Chicago O'Hare Intl), can usually be booked for $175.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Boise to Chicago (average of $245). Flying from Boise to Chicago in March is currently the most expensive (average of $327). 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 Boise?

Book flights to Boise if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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Alternative routes for Boise to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Boise to Chicago

Discover the top 6 airlines that operate flights from Boise to Chicago. 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 March 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$128Average$258FlexibilityNo cancel feeOn-time65%
DeltaCheapest$185Average$350FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$217Average$353FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$228Average$393FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$258Average$384FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$289Average$543FlexibilityNo cancel feeOn-time69%
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