$90 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 4/13. 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
$204
Overall average: $346
Alaska Airlines
Mon 4/20Sat 5/2
BOI - ORD • 1 stop
Cheapest non-stop
$195
Typical prices: $277-$309
American Airlines
Thu 4/16Wed 4/22
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

Mon, Apr 20 - Sat, May 2
Alaska Airlines Logo
6:04 pm - 6:39 am
BOI
-
ORD
11h 35m
1 stop
Alaska Airlines Logo
6:00 am - 12:35 pm
ORD
-
BOI
7h 35m
1 stop
$204Alaska Airlines
Tue, Mar 10 - Tue, Mar 17
Hawaiian Airlines Logo
6:28 am - 2:13 pm
BOI
-
ORD
6h 45m
1 stop
Hawaiian Airlines Logo
3:54 pm - 11:59 pm
ORD
-
BOI
9h 05m
1 stop
$216Hawaiian Airlines
Thu, Apr 16 - Mon, Apr 20
Alaska Airlines Logo
6:04 pm - 6:39 am
BOI
-
ORD
11h 35m
1 stop
Alaska Airlines Logo
7:59 pm - 1:38 pm
ORD
-
BOI
18h 39m
1 stop
$219Alaska Airlines
Fri, Mar 27 - Mon, Mar 30
Delta Logo
5:52 am - 1:25 pm
BOI
-
ORD
6h 33m
1 stop
Delta Logo
7:10 pm - 11:59 pm
ORD
-
BOI
5h 49m
1 stop
$221Delta
Mon, Mar 23 - Thu, Mar 26
Delta Logo
6:00 am - 1:25 pm
GEG
-
MDW
5h 25m
1 stop
Delta Logo
9:30 am - 1:10 pm
MDW
-
GEG
5h 40m
1 stop
$225Delta
Thu, Apr 16 - Tue, Apr 21
Multiple Airlines Logo
9:19 pm - 5:50 am
GEG
-
ORD
30h 31m
1 stop
Multiple Airlines Logo
4:21 pm - 10:31 am
ORD
-
GEG
44h 10m
2 stops
$247Multiple Airlines
Mon, Apr 20 - Sat, May 2
American Airlines Logo
1:29 pm - 6:16 pm
BOI
-
ORD
3h 47mnonstop
American Airlines Logo
12:05 pm - 11:41 pm
ORD
-
BOI
12h 36m
1 stop
$248American Airlines
Tue, Apr 7 - Sat, Apr 11
American Airlines Logo
1:29 pm - 6:16 pm
BOI
-
ORD
3h 47mnonstop
American Airlines Logo
9:54 am - 12:49 pm
ORD
-
BOI
3h 55mnonstop
$249American Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
12:34 pm - 5:05 pm
SUN
-
ORD
3h 31mnonstop
United Airlines Logo
8:42 am - 11:53 am
ORD
-
SUN
4h 11mnonstop
$256United Airlines
Fri, Mar 6 - Sat, Mar 7
United Airlines Logo
5:31 pm - 11:52 pm
BOI
-
ORD
5h 21m
1 stop
United Airlines Logo
7:40 pm - 10:56 pm
ORD
-
BOI
4h 16mnonstop
$259United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$90
Best time to beat the crowds with an average 16% 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.

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
Griffith
Saint John

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 $1,373
Business Class flights to Chicagofrom $1,188
Premium Economy Class flights to Chicagofrom $1,426
Economy Class flights to Chicagofrom $303