$95 Find Cheap Flights from Idaho to Chicago

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Chicago departing on 7/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Cheap Flights from Idaho to Chicago

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho to Chicago that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Idaho to Chicago

Thu, Oct 2 - Mon, Oct 6
Spirit Airlines Logo
9:49 pm - 2:16 pmBOI-ORD
15h 27m1 stop
Spirit Airlines Logo
6:00 am - 8:44 pmORD-BOI
15h 44m1 stop
$189Spirit Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29
Spirit Airlines Logo
9:49 pm - 2:16 pmBOI-ORD
15h 27m1 stop
Spirit Airlines Logo
6:00 am - 8:44 pmORD-BOI
15h 44m1 stop
$191Spirit Airlines
Find Deal
Fri, Jul 11 - Sun, Jul 13
Logo
7:48 pm - 6:03 amBOI-ORD
9h 15m1 stop
Logo
5:40 am - 11:46 amORD-BOI
7h 06m1 stop
$197
Find Deal
Tue, Jul 1 - Sun, Jul 6
Frontier Logo
11:48 am - 11:43 pmGEG-ORD
9h 55m1 stop
Frontier Logo
5:40 am - 11:03 amORD-GEG
7h 23m1 stop
$200Frontier
Find Deal
Fri, Jul 11 - Sun, Jul 13
Logo
7:48 pm - 6:03 amBOI-ORD
9h 15m1 stop
Logo
5:40 am - 11:46 amORD-BOI
7h 06m1 stop
$200
Find Deal
Tue, Jul 22 - Tue, Jul 29
Delta Logo
3:38 pm - 11:56 pmGEG-ORD
6h 18m1 stop
Delta Logo
7:50 am - 12:01 pmORD-GEG
6h 11m1 stop
$215Delta
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Wed, Jul 30 - Sat, Aug 2
Delta Logo
7:05 pm - 7:49 amGEG-ORD
10h 44m2 stops
Delta Logo
8:30 am - 1:17 pmORD-GEG
6h 47m1 stop
$220Delta
Find Deal
Wed, Sep 3 - Tue, Sep 9
Hawaiian Airlines Logo
8:46 pm - 7:03 amBOI-ORD
9h 17m1 stop
Hawaiian Airlines Logo
8:00 am - 3:00 pmORD-BOI
8h 00m1 stop
$234Hawaiian Airlines
Find Deal
Thu, Aug 7 - Sat, Aug 16
Hawaiian Airlines Logo
8:46 pm - 5:40 amBOI-ORD
7h 54m1 stop
Hawaiian Airlines Logo
6:00 am - 3:04 pmORD-BOI
10h 04m1 stop
$238Hawaiian Airlines
Find Deal
Thu, Jul 24 - Sun, Jul 27
Frontier Logo
11:58 am - 12:10 amGEG-ORD
10h 12m1 stop
Frontier Logo
5:40 am - 11:03 amORD-GEG
7h 23m1 stop
$345Frontier
Find Deal
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Good to know

Low seasonJanuary
High seasonAugust
Cheapest flight$95
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 11% lower on average.
Flight from Boise to Chicago O'Hare Airport

FAQs for booking flights from Idaho to Chicago

  • How does KAYAK find such low prices on flights from Idaho to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Idaho with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Chicago

Cabin class types available on flights to Idaho

Cabin classes available on flights to Chicago. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Chicagofrom $790
Business Class flights to Chicagofrom $704
Prem Econ Class flights to Chicagofrom $491
Economy Class flights to Chicagofrom $205

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