Cheap flights from Chicago to Idaho from $86
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Idaho departing on 10/22. 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 Chicago to Idaho
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 Idaho?
In general, September is the cheapest month to fly from Chicago to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $332. If you don’t want to visit Idaho in September, then you should wait until August to fly from Chicago, when ticket prices are also cheap, with an average price of $357.
What is the cheapest day to depart on your flight to Idaho?
Our data shows that Saturday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $389. On the other hand, Monday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $619.
What is the cheapest time of day to depart on your flight to Idaho?
According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from Chicago to Idaho at noon for as low as $327. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Idaho, so prices are often more expensive at around $575 per ticket.
What is the cheapest Chicago to Idaho flight route?
Fly from Chicago O'Hare Intl to Boise Air Term. Gowen Fld for the best Chicago - Idaho flight prices
How far in advance should I book a flight to Idaho?
You are more likely to see cheaper flights to Idaho from Chicago when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $412 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Chicago for as low as $254 on momondo.
What cabin class options are available on Chicago to Idaho flights?
There are 4 cabin classes available to choose from on Chicago to Idaho 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 Chicago to Idaho?
Southwest, Delta, and Spirit Airlines are the most popular carriers operating from Chicago to Idaho
What airlines fly to Idaho?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Idaho from Chicago according to our data. United Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 6 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago to Idaho on average per day?
As of June 2025, there are 17 flights per day flying from Chicago to Idaho. The most common time of day flights depart is 7:00PM, with 59% of flights taking off in the evening.
How many flights depart from Chicago to Idaho on average per week?
119 flights are operational weekly from Chicago to Idaho as of June 2025. The most popular departure day for this route is Wed, with 16% of flights per week taking off on this day.
Cheap Chicago to Idaho flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Idaho
Best Price Found | $86 |
|---|---|
Fastest flight time | 3h 06m |
Direct flights | Mon, Tue, Thu, Fri, Sat and Sun |
Airports in Idaho | 4 airports |
When did momondo last update prices for flights from Chicago to Idaho?
Prices for flights from Chicago to Idaho were last updated today.
How many operators does momondo search for flights from Chicago to Idaho?
The number of operators available for flights from Chicago to Idaho is 6 as of June 2025.
How old do you have to be to fly from Chicago to Idaho?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago to Idaho?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Idaho is Embraer 175 (Enhanced Winglets), representing 39.07% of all bookings. The subsequent popular models are Airbus A319 at 25.23%, Embraer 175 at 18.88%, and Airbus A320-100/200 at 4.49%.
Best airlines flying from Chicago to Idaho
Compare and see reviews for airlines that fly from Chicago to Idaho with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $104 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $174 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $204 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $237 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $258 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $271 | Free Cancellation | Rating 7.4 8,790 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Idaho?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Idaho for you.
Can I find flights from Chicago to Idaho with flexible booking policies on momondo?
All flight searches from Chicago to Idaho on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Chicago to Idaho?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho from Chicago.
I’m not ready to book a flight from Chicago to Idaho right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Idaho, momondo offers a useful price alert feature which will track prices for flights to Idaho from Chicago and alert you when they change.