$122 Find Cheap Flights from Idaho to Chicago - Compare and Save

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 11/5. 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, 0 bags

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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

Mon, Sep 21 - Thu, Sep 24
Frontier Logo
2:50 pm - 5:38 amBOI  Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl
13h 48m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:55 pm - 1:55 pmORD  Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld
18h 00m1 stop Las Vegas Harry Reid Intl
$242Frontier
Mon, Sep 14 - Thu, Sep 17
Frontier Logo
2:50 pm - 5:38 amBOI  Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl
13h 48m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:55 pm - 1:55 pmORD  Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld
18h 00m1 stop Las Vegas Harry Reid Intl
$242Frontier
Sat, Sep 5 - Fri, Sep 11
Alaska Airlines Logo
4:20 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl
6h 39m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:52 pm - 11:44 pmORD  Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld
8h 52m1 stop Seattle/Tacoma Intl
$293Alaska Airlines
Sat, Sep 5 - Fri, Sep 11
Alaska Airlines Logo
4:20 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl
6h 39m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 pm - 9:56 amORD  Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld
15h 56m1 stop Seattle/Tacoma Intl
$293Alaska Airlines
Fri, Oct 30 - Sat, Oct 31
American Airlines Logo
1:50 pm - 6:24 pmIDA  Idaho Falls Fanning Field-ORD Chicago O'Hare Intl
3h 34mnonstop
American Airlines Logo
10:30 am - 1:20 pmORD  Chicago O'Hare Intl-IDA Idaho Falls Fanning Field
3h 50mnonstop
$300American Airlines
Thu, Oct 22 - Tue, Oct 27
American Airlines Logo
1:50 pm - 6:24 pmIDA  Idaho Falls Fanning Field-ORD Chicago O'Hare Intl
3h 34mnonstop
American Airlines Logo
10:30 am - 1:20 pmORD  Chicago O'Hare Intl-IDA Idaho Falls Fanning Field
3h 50mnonstop
$300American Airlines
Tue, Sep 22 - Sat, Sep 26
United Airlines Logo
4:04 pm - 10:46 pmIDA  Idaho Falls Fanning Field-ORD Chicago O'Hare Intl
5h 42m1 stop Denver Intl
United Airlines Logo
5:00 am - 9:53 amORD  Chicago O'Hare Intl-IDA Idaho Falls Fanning Field
5h 53m1 stop Denver Intl
$301United Airlines
Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
5:53 pm - 11:59 pmIDA  Idaho Falls Fanning Field-ORD Chicago O'Hare Intl
5h 06m1 stop Denver Intl
United Airlines Logo
5:00 am - 9:53 amORD  Chicago O'Hare Intl-IDA Idaho Falls Fanning Field
5h 53m1 stop Denver Intl
$301United Airlines
Sat, Sep 5 - Fri, Sep 11
Southwest Logo
8:00 am - 5:35 pmGEG  Spokane-MDW Chicago Midway
7h 35m1 stop Phoenix Sky Harbor Intl
Southwest Logo
8:50 pm - 10:45 pmMDW  Chicago Midway-GEG Spokane
3h 55mnonstop
$307Southwest
Sat, Sep 5 - Fri, Sep 11
Southwest Logo
11:05 am - 6:30 pmGEG  Spokane-MDW Chicago Midway
5h 25m1 stop Denver Intl
Southwest Logo
8:50 pm - 10:45 pmMDW  Chicago Midway-GEG Spokane
3h 55mnonstop
$307Southwest
Useful Info

Good to know

Low season

January

Cheapest flight

$122
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 6% increase in price.
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 $984
Business Class flights to Chicagofrom $747
Premium Economy Class flights to Chicagofrom $2,836
Economy Class flights to Chicagofrom $287