How many flights depart from Illinois to Boise on average per week?

As of December 2025, 54 flights take off from Illinois and land in Boise each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

How many flights depart from Illinois to Boise on average per day?

The number of flights available between Illinois and Boise is 7 per day as of December 2025. The most frequent departure time is 7:00PM, with 63% of daily flights leaving in the evening.

What airlines fly to Boise?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Boise from Illinois according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Boise. Keep in mind that there are 4 different airlines that fly to Boise on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Boise?

Flight times vary depending on what airport in Illinois you fly out of and what airport in Boise you fly into. For example, flying from Chicago to Boise takes 3h 55m on average. On the other hand, flying from Peoria to Boise takes 6h 01m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What is the cheapest airline that flies from Illinois to Boise Air Term. Gowen Fld?

Alaska Airlines, Frontier, and Southwest are the most popular carriers operating from Illinois to Boise Air Term. Gowen Fld

When did momondo last update prices for flights from Illinois to Boise Air Term. Gowen Fld Airport?

Prices for flights from Illinois to Boise Air Term. Gowen Fld Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Illinois to Boise Air Term. Gowen Fld Airport?

As of December 2025, there are 4 operators available to choose from for flights from Illinois to Boise Air Term. Gowen Fld Airport.

How old do you have to be to fly from Illinois to Boise Air Term. Gowen Fld Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Boise Air Term. Gowen Fld Airport.

What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

The travel and health documents you'll need for your trip to Boise Air Term. Gowen Fld Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boise Air Term. Gowen Fld Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$105 Cheap Flights from Illinois to Boise in 2025/26

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Find the cheapest flights from Illinois to Boise

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:16 pm - 11:11 am

ORD

BOI

19h 55m1 stop

11:56 am - 4:53 pm

BOI

ORD

27h 57m2 stops

$226Frontier

Thu, Feb 19 - Fri, Feb 27

3:07 pm - 11:30 pm

ORD

BOI

9h 23m1 stop

6:00 pm - 2:11 pm

BOI

ORD

19h 11m1 stop

$228Alaska Airlines

Thu, Feb 19 - Mon, Feb 23

3:35 pm - 11:59 pm

ORD

BOI

9h 24m1 stop

12:07 pm - 6:45 pm

BOI

ORD

5h 38m1 stop

$235Multiple Airlines

Fri, Jan 9 - Mon, Jan 12

3:44 pm - 11:42 pm

ORD

BOI

8h 58m1 stop

6:23 am - 5:10 pm

BOI

ORD

9h 47m1 stop

$248Alaska Airlines

Thu, Jan 22 - Sun, Jan 25

7:00 am - 3:15 pm

MDW

BOI

9h 15m1 stop

6:40 am - 2:45 pm

BOI

MDW

7h 05m1 stop

$249Southwest

Sat, Jan 31 - Wed, Feb 4

3:58 pm - 7:13 pm

ORD

BOI

4h 15mnonstop

12:19 pm - 4:59 pm

BOI

ORD

3h 40mnonstop

$249United Airlines

Sat, Jan 24 - Sat, Jan 31

7:00 am - 3:15 pm

MDW

BOI

9h 15m1 stop

7:45 am - 4:45 pm

BOI

MDW

8h 00m2 stops

$255Southwest

Sat, Jan 31 - Wed, Feb 4

6:40 am - 4:17 pm

STL

BOI

10h 37m2 stops

10:39 am - 11:25 pm

BOI

STL

11h 46m2 stops

$256Delta

Thu, Jan 22 - Thu, Jan 29

9:15 am - 12:39 pm

ORD

BOI

4h 24mnonstop

9:48 am - 6:46 pm

BOI

ORD

7h 58m1 stop

$259United Airlines

Thu, Jan 22 - Thu, Jan 29

1:49 pm - 8:55 pm

MDW

BOI

8h 06m1 stop

1:40 pm - 10:22 pm

BOI

MDW

7h 42m1 stop

$269Delta

Thu, Jan 22 - Sun, Jan 25

Alaska Airlines flights from Illinois to Boise

Our best Alaska Airlines deals on Illinois to Boise flight tickets

Alaska Airlines

Feb 19

ORD3:54 pmChicago O'Hare Intl

7h 46m

1 stop

BOI10:40 pmBoise Air Term. Gowen Fld

Feb 23

BOI8:27 pmBoise Air Term. Gowen Fld

16h 44m

1 stop

ORD2:11 pmChicago O'Hare Intl

$228

Find similar

Alaska Airlines

Jan 22

ORD3:44 pmChicago O'Hare Intl

8h 58m

1 stop

BOI11:42 pmBoise Air Term. Gowen Fld

Jan 25

BOI6:23 amBoise Air Term. Gowen Fld

9h 47m

1 stop

ORD5:10 pmChicago O'Hare Intl

$248

Find similar

Alaska Airlines

Jan 24

ORD3:44 pmChicago O'Hare Intl

8h 58m

1 stop

BOI11:42 pmBoise Air Term. Gowen Fld

Jan 31

BOI7:45 amBoise Air Term. Gowen Fld

14h 52m

1 stop

ORD11:37 pmChicago O'Hare Intl

$258

Find similar

Delta flights from Illinois to Boise

Our best Delta deals on Illinois to Boise flight tickets

Delta

Jan 22

STL6:40 amLambert-St Louis

10h 37m

2 stops

BOI4:17 pmBoise Air Term. Gowen Fld

Jan 29

BOI10:39 amBoise Air Term. Gowen Fld

11h 46m

2 stops

STL11:25 pmLambert-St Louis

$256

Find similar

Delta

Feb 16

ORD3:59 pmChicago O'Hare Intl

5h 56m

1 stop

BOI8:55 pmBoise Air Term. Gowen Fld

Feb 22

BOI5:50 amBoise Air Term. Gowen Fld

6h 32m

1 stop

ORD1:22 pmChicago O'Hare Intl

$269

Find similar

Delta

Jan 22

ORD6:15 amChicago O'Hare Intl

11h 02m

2 stops

BOI4:17 pmBoise Air Term. Gowen Fld

Jan 29

BOI1:40 pmBoise Air Term. Gowen Fld

9h 13m

1 stop

ORD11:53 pmChicago O'Hare Intl

$274

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 2/19

4:16 pm-11:11 am

1 stop19h 55m

Boise Air Term. Gowen Fld

Fri 2/27

11:56 am-4:53 pm

2 stops27h 57m

$226

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 2/19

3:07 pm-11:30 pm

1 stop9h 23m

Boise Air Term. Gowen Fld

Mon 2/23

6:00 pm-2:11 pm

1 stop19h 11m

$228

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Fri 1/9

3:35 pm-11:59 pm

1 stop9h 24m

Boise Air Term. Gowen Fld

Mon 1/12

12:07 pm-6:45 pm

1 stop5h 38m

$235

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 1/22

3:44 pm-11:42 pm

1 stop8h 58m

Boise Air Term. Gowen Fld

Sun 1/25

6:23 am-5:10 pm

1 stop9h 47m

$248

ChicagoBoise

MDW - BOI

MDWBOI

Chicago Midway

Sat 1/31

7:00 am-3:15 pm

1 stop9h 15m

Boise Air Term. Gowen Fld

Wed 2/4

6:40 am-2:45 pm

1 stop7h 05m

$249

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Sat 1/24

3:58 pm-7:13 pm

Nonstop4h 15m

Boise Air Term. Gowen Fld

Sat 1/31

12:19 pm-4:59 pm

Nonstop3h 40m

$249

ChicagoBoise

MDW - BOI

MDWBOI

Chicago Midway

Sat 1/31

7:00 am-3:15 pm

1 stop9h 15m

Boise Air Term. Gowen Fld

Wed 2/4

7:45 am-4:45 pm

2 stops8h 00m

$255

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Thu 1/22

6:40 am-4:17 pm

2 stops10h 37m

Boise Air Term. Gowen Fld

Thu 1/29

10:39 am-11:25 pm

2 stops11h 46m

$256

ChicagoBoise

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 1/22

9:15 am-12:39 pm

Nonstop4h 24m

Boise Air Term. Gowen Fld

Thu 1/29

9:48 am-6:46 pm

1 stop7h 58m

$259

ChicagoBoise

MDW - BOI

MDWBOI

Chicago Midway

Thu 1/22

1:49 pm-8:55 pm

1 stop8h 06m

Boise Air Term. Gowen Fld

Sun 1/25

1:40 pm-10:22 pm

1 stop7h 42m

$269

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Boise

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Boise?

The month of September is, on average, the cheapest month to fly to Boise from Illinois, with most prices found around $295. If you aren’t able to travel during the month of September, then book flights to Boise from Illinois during October instead. Flights to Boise in October, while not as cheap as those in September, still average around $299.

What is the cheapest day to depart on your flight to Boise?

Our data shows that Wednesday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $372. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $474. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.

What is the cheapest time of day to depart on your flight to Boise?

Our data shows that the cheapest Illinois to Boise flights are usually those with departure times at noon. Our users have found flights to Boise at noon for as low as $297. In the evening is when there is more demand to fly to Boise, so prices are often more expensive at around $529 per ticket.

What is the cheapest Illinois to Boise Air Term. Gowen Fld flight route?

Fly from Chicago O'Hare Intl to Boise Air Term. Gowen Fld for the best Illinois - Boise Air Term. Gowen Fld flight prices

How far in advance should I book a flight to Boise?

You are more likely to see cheaper flights to Boise from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Boise for around $394 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from Illinois for as low as $241 on momondo.

What cabin class options are available on Illinois to Boise Air Term. Gowen Fld flights?

There are 3 cabin classes available to choose from on Illinois to Boise Air Term. Gowen Fld flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Boise flights?

You could potentially save up to 29% on your flight if you consider stops on a Illinois to Boise flight.

Cheap Illinois to Boise flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Boise

Best Price Found	$286
Fastest flight time	3h 35m
Direct flights	Every day
Airports in Boise	1 airport

The best one-way flight to Boise from Illinois in the past 72 hours is $286. The best round-trip flight deal from Illinois to Boise found on momondo in the last 72 hours is $357.

The fastest flight from Illinois to Boise takes 3h 35m

Direct flights go from Illinois to Boise every day.

There is 1 airport in Boise. From Illinois there are direct flights to Boise Air Term. Gowen Fld (BOI).

Search flight deals

When did momondo last update prices for flights from Illinois to Boise Air Term. Gowen Fld Airport?
Prices for flights from Illinois to Boise Air Term. Gowen Fld Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Boise Air Term. Gowen Fld Airport?
As of December 2025, there are 4 operators available to choose from for flights from Illinois to Boise Air Term. Gowen Fld Airport.
How old do you have to be to fly from Illinois to Boise Air Term. Gowen Fld Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Boise Air Term. Gowen Fld Airport.
What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?
The travel and health documents you'll need for your trip to Boise Air Term. Gowen Fld Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boise Air Term. Gowen Fld Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Boise?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Boise is Embraer 175 (Enhanced Winglets) (30.93% of total bookings). The next most popular plane models are Embraer 175 (25.77%), Canadair (Bombardier) Regional Jet 700 (10.05%), and Airbus A320-100/200 (9.54%).

Best airlines flying from Illinois to Boise

Compare and see reviews for airlines that fly from Illinois to Boise with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $174	Free Cancellation	Rating 7.9 8,019 reviews	Search Delta flights
American Airlines	PriceFrom $237	Free Cancellation	Rating 7.2 11,073 reviews	Search American Airlines flights
United Airlines	PriceFrom $249	Free Cancellation	Rating 7.4 9,113 reviews	Search United Airlines flights
Southwest	PriceFrom $254	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights

Nampa

McCall

Meridian

Caldwell

Ontario

Eagle

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Boise?

Finding the right flight to Boise from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boise quick and easy, saving you time and money.

Can I find flights from Illinois to Boise with flexible booking policies on momondo?

Flights from Illinois to Boise with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Illinois to Boise?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Boise.

I’m not ready to book a flight from Illinois to Boise right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Boise now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Boise and let you know when they change.

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Cheap flights from Illinois to Boise from $105

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Boise departing on 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Alaska Airlines flights from Illinois to Boise

Our best Alaska Airlines deals on Illinois to Boise flight tickets

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Our best Delta deals on Illinois to Boise flight tickets

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How to get the cheapest flight ticket from Illinois to Boise

What is the cheapest month to fly to Boise?

What is the cheapest day to depart on your flight to Boise?

What is the cheapest time of day to depart on your flight to Boise?

Our data shows that the cheapest Illinois to Boise flights are usually those with departure times at noon. Our users have found flights to Boise at noon for as low as $297. In the evening is when there is more demand to fly to Boise, so prices are often more expensive at around $529 per ticket.

What is the cheapest Illinois to Boise Air Term. Gowen Fld flight route?

Fly from Chicago O'Hare Intl to Boise Air Term. Gowen Fld for the best Illinois - Boise Air Term. Gowen Fld flight prices

How far in advance should I book a flight to Boise?

What cabin class options are available on Illinois to Boise Air Term. Gowen Fld flights?

There are 3 cabin classes available to choose from on Illinois to Boise Air Term. Gowen Fld flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Boise flights?

You could potentially save up to 29% on your flight if you consider stops on a Illinois to Boise flight.

What is the cheapest airline that flies from Illinois to Boise Air Term. Gowen Fld?

Alaska Airlines, Frontier, and Southwest are the most popular carriers operating from Illinois to Boise Air Term. Gowen Fld

What airlines fly to Boise?

How many flights depart from Illinois to Boise on average per day?

The number of flights available between Illinois and Boise is 7 per day as of December 2025. The most frequent departure time is 7:00PM, with 63% of daily flights leaving in the evening.

How many flights depart from Illinois to Boise on average per week?

As of December 2025, 54 flights take off from Illinois and land in Boise each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

How long does it take to fly to Boise?

Cheap Illinois to Boise flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Boise

Best Price Found

Fastest flight time

Direct flights

Airports in Boise

When did momondo last update prices for flights from Illinois to Boise Air Term. Gowen Fld Airport?

How many operators does momondo search for flights from Illinois to Boise Air Term. Gowen Fld Airport?

How old do you have to be to fly from Illinois to Boise Air Term. Gowen Fld Airport?

What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

What is the most popular plane model from Illinois to Boise?

Best airlines flying from Illinois to Boise

Compare and see reviews for airlines that fly from Illinois to Boise with momondo

Traveling to a place near Boise?

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Boise?

Can I find flights from Illinois to Boise with flexible booking policies on momondo?

How can momondo help me find flights from Illinois to Boise?

I’m not ready to book a flight from Illinois to Boise right now. Can momondo alert me if prices change?

An easier way to manage your Boise trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Idaho