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

Currently, October is the cheapest month in which you can book a flight from Champaign to Boise (average of $314). Flying from Champaign to Boise in June is currently the most expensive (average of $399). 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.

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.

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).

What is the cheapest time of day to fly from CMI to BOI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Champaign to Boise as you normally would.

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

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

How can I find direct flights from Champaign to Boise?

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

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

Yes. Cheapflights offers flight deals from Champaign 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.

$514+ Flights from Champaign to Boise

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Champaign to Boise with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Champaign to Boise

Round-trip from	$514 (American Airlines)

From Champaign University-Willard to Boise Air Term. Gowen Fld

Search Deals

Find flight deals from Champaign to Boise

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

mar. 8/263:46 pmCMI - BOI

1 stop6h 57mAmerican Airlines

sáb. 8/301:36 pmBOI - CMI

1 stop6h 06mAmerican Airlines

Deal found 8/13

$514

vie. 8/293:46 pmCMI - BOI

1 stop6h 57mAmerican Airlines

mar. 9/27:00 amBOI - CMI

1 stop7h 16mAmerican Airlines

Deal found 8/14

$592

Best flights from Champaign to Boise
Discover carefully curated flight deals from Champaign to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated agosto 14, 2025.

mar. 8/263:46 pmCMI - BOI

1 stop6h 57mAmerican Airlines

sáb. 8/301:36 pmBOI - CMI

1 stop6h 06mAmerican Airlines

Deal found 8/12

$514

vie. 8/293:46 pmCMI - BOI

1 stop6h 57mAmerican Airlines

mar. 9/27:00 amBOI - CMI

1 stop7h 16mAmerican Airlines

Deal found 8/14

$592

Last-minute flights from Champaign to Boise
Discover last-minute flight deals from Champaign to Boise. Data last updated agosto 14, 2025 and is based on user searches.

mar. 8/263:46 pmCMI - BOI

1 stop6h 57mAmerican Airlines

sáb. 8/301:36 pmBOI - CMI

1 stop6h 06mAmerican Airlines

Deal found 8/13

$514

vie. 8/293:46 pmCMI - BOI

1 stop6h 57mAmerican Airlines

mar. 9/27:00 amBOI - CMI

1 stop7h 16mAmerican Airlines

Deal found 8/14

$592

Fly from

Fly to

Route

Depart

Return

Price

ChampaignBoise

CMI - BOI

CMIBOI

Champaign University-Willard

mar. 8/26

3:46 pm-9:43 pm

1 stop6h 57m

Boise Air Term. Gowen Fld

sáb. 8/30

1:36 pm-8:42 pm

1 stop6h 06m

$514

ChampaignBoise

CMI - BOI

CMIBOI

Champaign University-Willard

vie. 8/29

3:46 pm-9:43 pm

1 stop6h 57m

Boise Air Term. Gowen Fld

mar. 9/2

7:00 am-3:16 pm

1 stop7h 16m

$592

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Best time to book a flight from Champaign to Boise

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

Related info for your journey

Can I find deals for flights from Champaign to Boise that include hotel bookings?
Yes. In addition to deals on Champaign to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Champaign to Boise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Champaign to Boise.
Can I find deals for business class flights from Champaign to Boise?
Yes. Cheapflights offers flight deals from Champaign 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 Champaign to Boise?
Currently, October is the cheapest month in which you can book a flight from Champaign to Boise (average of $314). Flying from Champaign to Boise in June is currently the most expensive (average of $399). 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

Ontario

Meridian

Nampa

Caldwell

McCall

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Champaign to Boise

O'Hare Intl to Jackson flights

O'Hare Intl to Boise flights

O'Hare Intl to Spokane flights

Midway to Jackson flights

St. Louis to Jackson flights

Midway to Spokane flights

O'Hare Intl to Hailey flights

O'Hare Intl to Idaho Falls flights

Midway to Boise flights

St. Louis to Boise flights

Midway to Idaho Falls flights

St. Louis to Spokane flights

Evansville to Jackson flights

Peoria to Idaho Falls flights

Moline to Spokane flights

Peoria to Jackson flights

Bloomington to Jackson flights

Midway to Hailey flights

Bloomington to Boise flights

Peoria to Boise flights

O'Hare Intl to West Yellowstone flights

Peoria to Spokane flights

St. Louis to Idaho Falls flights

Bloomington to Idaho Falls flights

O'Hare Intl to Pocatello flights

Moline to Jackson flights

Bloomington to Lewiston flights

St. Louis to Lewiston flights

Bloomington to Spokane flights

O'Hare Intl to Twin Falls flights

Evansville to Boise flights

Midway to West Yellowstone flights

St. Louis to Pocatello flights

Moline to Idaho Falls flights

Evansville to Spokane flights

O'Hare Intl to Lewiston flights

St. Louis to West Yellowstone flights

Springfield to Jackson flights

Midway to Twin Falls flights

Midway to Lewiston flights

Springfield to Idaho Falls flights

Springfield to Spokane flights

Peoria to Pocatello flights

Other flights to Boise

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$514+ Cheap flights from Champaign to Boise (CMI - BOI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Champaign to Boise with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Champaign to Boise

Round-trip from

Find flight deals from Champaign to Boise

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

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

Cheapflights Fare Finder

Use the filters below to find and compare flights from Champaign to Boise that are best for you.

Best time to book a flight from Champaign to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Champaign with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Champaign to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How can I find direct flights from Champaign to Boise?

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

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

Traveling to a place near Boise?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Champaign to Boise

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

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