$108 Cheap Flights from Chicago (MDW) to Boise (BOI)

View $108 flight on Sat, Oct 4, 2025Opens in a new window

Popular airlines from Chicago Midway Airport (MDW) to Boise Airport (BOI)

Cheap Flights from Chicago to Boise (MDW-BOI)

Prices were available within the past 7 days and start at $108 for one-way flights and $215 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Oct 1 - Sat, Oct 11
MDW
Chicago
BOI
Boise
$215 Roundtrip, found 20 hours ago
$215
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Oct 1 from Chicago to Boise, returning Sat, Oct 11, priced at $215 found 20 hours ago
Delta
Sat, Oct 25 - Fri, Oct 31
MDW
Chicago
BOI
Boise
$216 Roundtrip, found 2 days ago
$216
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 25 from Chicago to Boise, returning Fri, Oct 31, priced at $216 found 2 days ago
Delta
Wed, Dec 3 - Sun, Dec 7
MDW
Chicago
BOI
Boise
$225 Roundtrip, found 12 hours ago
$225
Roundtrip
found 12 hours ago
Select Delta flight, departing Wed, Dec 3 from Chicago to Boise, returning Sun, Dec 7, priced at $225 found 12 hours ago
Southwest Airlines
Sat, Sep 6 - Sat, Sep 20
MDW
Chicago
BOI
Boise
$226 Roundtrip, found 6 days ago
$226
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Sep 6 from Chicago to Boise, returning Sat, Sep 20, priced at $226 found 6 days ago
Delta
Wed, Dec 3 - Sun, Dec 7
MDW
Chicago
BOI
Boise
$232 Roundtrip, found 12 hours ago
$232
Roundtrip
found 12 hours ago
Select Delta flight, departing Wed, Dec 3 from Chicago to Boise, returning Sun, Dec 7, priced at $232 found 12 hours ago
Delta
Sat, Aug 16 - Sat, Aug 23
MDW
Chicago
BOI
Boise
$235 Roundtrip, found 20 hours ago
$235
Roundtrip
found 20 hours ago
Select Delta flight, departing Sat, Aug 16 from Chicago to Boise, returning Sat, Aug 23, priced at $235 found 20 hours ago
Delta
Tue, Oct 21 - Tue, Oct 28
MDW
Chicago
BOI
Boise
$238 Roundtrip, found 2 days ago
$238
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Oct 21 from Chicago to Boise, returning Tue, Oct 28, priced at $238 found 2 days ago
Frontier Airlines
Sat, Aug 16 - Fri, Aug 22
MDW
Chicago
BOI
Boise
$238 Roundtrip, found 20 hours ago
$238
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Sat, Aug 16 from Chicago to Boise, returning Fri, Aug 22, priced at $238 found 20 hours ago
Delta
Sat, Oct 25 - Sun, Oct 26
MDW
Chicago
BOI
Boise
$241 Roundtrip, found 2 days ago
$241
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 25 from Chicago to Boise, returning Sun, Oct 26, priced at $241 found 2 days ago
Delta
Sat, Sep 6 - Sun, Sep 21
MDW
Chicago
BOI
Boise
$242 Roundtrip, found 2 days ago
$242
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Sep 6 from Chicago to Boise, returning Sun, Sep 21, priced at $242 found 2 days ago

Find the cheapest month to fly from Chicago (MDW) to Boise (BOI)

August is typically the cheapest month to fly

From $161 - $505 per traveler.

Graph displaying average flight prices per month

Flights from Chicago (MDW) to Boise (BOI)
Origin airport
Midway Intl.
Destination airport
Boise
Airlines serving
Delta, Frontier Airlines, Southwest Airlines
Roundtrip price
$214
Distance
1444 mi
Average flight time
3 hours 45 mins

Chicago to Boise Flights

The cheapest times to fly from Chicago to Boise

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Boise are during the month of October. You can find some of the cheapest flights from Chicago to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Boise

Sunday is one of the best days to book for cheap flights from Chicago to Boise: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Boise

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $108 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Boise flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Boise airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Midway Intl. Airport (MDW) to Boise Airport (BOI) cost?
Snag cheap return fares starting from $151 from Midway Intl. Airport (MDW) to Boise Airport (BOI). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines and American Airlines flight leaving MDW on August 3 2025 and touching down at BOI. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from MDW to BOI?
The cheapest flights from MDW to BOI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Midway Intl. Airport (MDW) to Boise Airport (BOI)?
Although Chicago, IL (MDW-Midway Intl.) doesn't have any direct flights to Boise Airport (BOI), other airports have nonstop options. Departing from O'Hare Intl. Airport (ORD) will get you to Boise without any layovers.
What is the cheapest airline that flies from MDW to BOI?
Journey from MDW to BOI with Southwest Airlines. This airline currently offers the cheapest one-way fare on this route, starting at $120. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from MDW on August 18 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Midway Intl. Airport (MDW) to Boise Airport (BOI)?
You'll need to catch a flight with a layover if you're traveling from Midway Intl. Airport (MDW) to Boise Airport (BOI). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from MDW to BOI?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Midway Intl. Airport (MDW) to Boise Airport (BOI)?
To touch down at Boise Airport (BOI) without delays, pick a flight that leaves Midway Intl. Airport (MDW) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Midway Intl. Airport (MDW) to Boise Airport (BOI) last-minute?
Booking your ticket from MDW to BOI right before your trip is usually more expensive. However, if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a MDW to BOI flight and hotel package?
Compared with arranging flights and hotels separately, booking a MDW to BOI flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the hassle out of travel planning. Simply pick your flights and select from our wide range of hotels, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Midway Intl. Airport (MDW) to Boise Airport (BOI)?
It's generally possible to reschedule or cancel your MDW to BOI flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.