$88 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 2/19. 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
$195
Overall average: $348
Multiple Airlines
Fri 1/23Sun 1/25
BOI - ORD • 1 stop
Cheapest non-stop
$249
Typical prices: $389-$493
American Airlines
Fri 2/13Sun 2/15
BOI - 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

Fri, Jan 23 - Sun, Jan 25
Multiple Airlines Logo
10:10 am - 9:45 pm
BOI
-
ORD
10h 35m1 stop
Multiple Airlines Logo
12:07 pm - 11:12 am
ORD
-
BOI
24h 05m1 stop
$195Multiple Airlines
Sun, Jan 18 - Sat, Jan 24
Hawaiian Airlines Logo
5:00 am - 1:10 pm
GEG
-
ORD
6h 10m1 stop
Hawaiian Airlines Logo
8:00 am - 12:44 pm
ORD
-
GEG
6h 44m1 stop
$196Hawaiian Airlines
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
12:38 pm - 1:25 pm
BOI
-
ORD
23h 47m1 stop
Multiple Airlines Logo
3:07 pm - 11:30 pm
ORD
-
BOI
9h 23m1 stop
$211Multiple Airlines
Mon, Jan 19 - Sun, Jan 25
Frontier Logo
2:19 pm - 1:57 pm
BOI
-
ORD
22h 38m2 stops
Frontier Logo
12:07 pm - 11:12 am
ORD
-
BOI
24h 05m1 stop
$212Frontier
Tue, Jan 27 - Tue, Jan 27
Alaska Airlines Logo
5:00 am - 1:10 pm
GEG
-
ORD
6h 10m1 stop
Alaska Airlines Logo
6:06 pm - 12:23 am
ORD
-
GEG
8h 17m1 stop
$214Alaska Airlines
Tue, Feb 3 - Tue, Feb 3
Alaska Airlines Logo
5:40 am - 1:10 pm
BOI
-
ORD
6h 30m1 stop
Alaska Airlines Logo
3:35 pm - 11:01 pm
ORD
-
BOI
8h 26m1 stop
$223Alaska Airlines
Tue, Jan 20 - Sat, Jan 24
Delta Logo
1:40 pm - 11:53 pm
BOI
-
ORD
9h 13m1 stop
Delta Logo
7:30 am - 4:17 pm
ORD
-
BOI
9h 47m1 stop
$225Delta
Mon, Jan 19 - Mon, Jan 26
Delta Logo
5:05 am - 1:22 pm
GEG
-
ORD
6h 17m1 stop
Delta Logo
7:30 am - 12:37 pm
ORD
-
GEG
7h 07m1 stop
$225Delta
Sat, Jan 31 - Tue, Feb 3
Southwest Logo
12:05 pm - 10:35 pm
GEG
-
ORD
8h 30m1 stop
Southwest Logo
1:45 pm - 9:45 pm
ORD
-
GEG
10h 00m2 stops
$240Southwest
Sat, Jan 17 - Sun, Jan 18
Southwest Logo
1:45 pm - 9:10 pm
BOI
-
MDW
6h 25m1 stop
Southwest Logo
5:05 am - 11:10 am
MDW
-
BOI
7h 05m1 stop
$247Southwest
Useful Info

Good to know

Low seasonFebruary
Cheapest flight$88
Best time to beat the crowds with an average 24% 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 $274