Cheap flights from Illinois to Boise from $90
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 8/11. 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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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
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 $332. If you aren’t able to travel during the month of September, then book flights to Boise from Illinois during August instead. Flights to Boise in August, while not as cheap as those in September, still average around $359.
What is the cheapest day to depart on your flight to Boise?
Our data shows that Saturday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $388. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $589. 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 in the morning. Our users have found flights to Boise in the morning for as low as $446. In the evening is when there is more demand to fly to Boise, so prices are often more expensive at around $563 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 $407 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 $254 on momondo.
What cabin class options are available on Illinois to Boise Air Term. Gowen Fld flights?
There are 4 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.
What is the cheapest airline that flies from Illinois to Boise Air Term. Gowen Fld?
Spirit Airlines, Hawaiian Airlines, and Delta are the most popular carriers operating from Illinois to Boise Air Term. Gowen Fld
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 56% of people opting to fly with this airline when traveling to Boise. Keep in mind that there are 6 different airlines that fly to Boise on a routine basis, so you have a few additional options to choose from.
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 June 2025. The most frequent departure time is 7:00PM, with 50% of daily flights leaving in the evening.
How many flights depart from Illinois to Boise on average per week?
As of June 2025, 52 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.
Cheap Illinois to Boise flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Boise
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 June 2025, there are 6 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) (36.75% of total bookings). The next most popular plane models are Airbus A319 (26.33%), Embraer 175 (20.32%), and Airbus A320-100/200 (4.95%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $104 | Free Cancellation | Rating 6.3 8,077 reviews | |||
| PriceFrom $174 | Free Cancellation | Rating 8.0 7,966 reviews | |||
| PriceFrom $204 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $237 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $254 | Free Cancellation | Rating 8.0 4,278 reviews | |||
| PriceFrom $271 | Free Cancellation | Rating 7.4 8,831 reviews |
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsWhy 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.