$68 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 3/5. 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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Everything you should know

Cheapest round-trip
$162
Overall average: $309
Frontier
Thu 2/19Sat 2/21
BOI - ORD • 1 stop
Cheapest non-stop
$235
United Airlines
Wed 2/18Wed 2/25
GEG - ORD • Non-stop
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Flight Deals
Useful Info
Flight Deals

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, Feb 19 - Sat, Feb 21
Frontier Logo
12:36 pm - 11:14 pm
BOI
-
ORD
9h 38m1 stop
Frontier Logo
4:29 pm - 11:11 am
ORD
-
BOI
19h 42m2 stops
$162Frontier
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
12:36 pm - 11:14 pm
BOI
-
ORD
9h 38m1 stop
Multiple Airlines Logo
6:00 am - 4:51 pm
ORD
-
BOI
11h 51m1 stop
$171Multiple Airlines
Thu, Feb 19 - Wed, Feb 25
Frontier Logo
12:36 pm - 11:14 pm
BOI
-
ORD
9h 38m1 stop
Frontier Logo
11:51 am - 11:51 am
ORD
-
BOI
25h 00m2 stops
$174Frontier
Wed, Feb 18 - Fri, Feb 27
Delta Logo
5:50 am - 1:22 pm
BOI
-
ORD
6h 32m1 stop
Delta Logo
2:20 pm - 9:56 pm
ORD
-
BOI
8h 36m1 stop
$181Delta
Fri, Jan 30 - Sun, Feb 1
Delta Logo
3:40 pm - 11:53 pm
GEG
-
ORD
6h 13m1 stop
Delta Logo
7:30 am - 2:55 pm
ORD
-
GEG
9h 25m1 stop
$181Delta
Tue, May 5 - Tue, May 12
Alaska Airlines Logo
7:41 pm - 6:40 am
GEG
-
ORD
8h 59m1 stop
Alaska Airlines Logo
6:00 am - 1:23 pm
ORD
-
GEG
9h 23m1 stop
$215Alaska Airlines
Sun, Feb 8 - Mon, Feb 9
Alaska Airlines Logo
5:45 am - 2:38 pm
GEG
-
ORD
6h 53m1 stop
Alaska Airlines Logo
6:06 pm - 12:23 am
ORD
-
GEG
8h 17m1 stop
$221Alaska Airlines
Sat, Feb 21 - Wed, Feb 25
Southwest Logo
12:20 pm - 11:50 pm
GEG
-
MDW
9h 30m1 stop
Southwest Logo
3:40 pm - 8:50 pm
MDW
-
GEG
7h 10m1 stop
$224Southwest
Tue, Feb 24 - Mon, Mar 2
Southwest Logo
1:30 pm - 9:50 pm
BOI
-
MDW
7h 20m1 stop
Southwest Logo
7:55 am - 6:25 pm
MDW
-
BOI
11h 30m1 stop
$231Southwest
Sat, Jan 31 - Fri, Feb 6
Hawaiian Airlines Logo
6:58 pm - 11:50 pm
IDA
-
ORD
27h 52m1 stop
Hawaiian Airlines Logo
3:35 pm - 10:59 pm
ORD
-
IDA
8h 24m1 stop
$286Hawaiian Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$68
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly with an average 2% 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.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Saint Joseph
Hammond
Portage
Lansing
Valparaiso
Chesterton
Schererville
Munster
Porter
Monticello
Saint John
Griffith

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 $1,176
Business Class flights to Chicagofrom $1,017
Prem Econ Class flights to Chicagofrom $1,426
Economy Class flights to Chicagofrom $268