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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$83 CHEAP FLIGHTS from Idaho to Chicago

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago

...and more

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41,299,237 searches in the past 7 days on KAYAK

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Cheapest round-trip

$186

Overall average: $308

Frontier

Thu 2/19Sat 2/21

BOI - ORD • 1 stop

Cheapest non-stop

$249

Typical prices: $476-$608

American Airlines

Tue 1/6Tue 1/13

BOI - ORD • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Chicago!

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.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Idaho to Chicago

Thu, Feb 19 - Sat, Feb 21

12:28 pm - 11:14 pm

BOI

ORD

9h 46m1 stop

7:55 am - 11:03 am

ORD

BOI

28h 08m2 stops

$186Frontier

Fri, Jan 9 - Tue, Jan 13

12:07 pm - 10:56 pm

BOI

ORD

9h 49m1 stop

12:00 pm - 1:25 pm

ORD

BOI

50h 25m2 stops

$192Frontier

Tue, Mar 3 - Wed, Mar 4

5:00 am - 1:11 pm

GEG

ORD

6h 11m1 stop

7:00 am - 12:29 pm

ORD

GEG

7h 29m1 stop

$214Alaska Airlines

Wed, Jan 7 - Wed, Jan 14

7:49 pm - 2:38 pm

GEG

ORD

16h 49m1 stop

6:06 pm - 12:23 am

ORD

GEG

8h 17m1 stop

$225Alaska Airlines

Mon, Jan 12 - Thu, Jan 15

12:07 pm - 6:45 pm

BOI

ORD

5h 38m1 stop

6:06 pm - 11:59 pm

ORD

BOI

6h 53m1 stop

$225Multiple Airlines

Mon, Jan 12 - Thu, Jan 15

12:07 pm - 6:45 pm

BOI

ORD

5h 38m1 stop

6:06 pm - 11:59 pm

ORD

BOI

6h 53m1 stop

$230Multiple Airlines

Wed, May 27 - Tue, Jun 2

2:03 pm - 7:50 pm

GEG

ORD

3h 47mnonstop

9:45 am - 11:35 am

ORD

GEG

3h 50mnonstop

$235American Airlines

Tue, Feb 10 - Sat, Feb 14

1:48 pm - 11:59 pm

GEG

ORD

8h 11m1 stop

4:00 pm - 6:03 pm

ORD

GEG

4h 03mnonstop

$245United Airlines

Mon, Jan 12 - Wed, Jan 14

4:29 pm - 11:59 pm

JAC

ORD

6h 30m1 stop

9:00 am - 11:22 am

ORD

JAC

3h 22mnonstop

$247United Airlines

Thu, Jun 4 - Mon, Jun 8

1:44 pm - 6:00 pm

IDA

ORD

3h 16mnonstop

9:40 am - 12:12 pm

ORD

IDA

3h 32mnonstop

$345American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$83

Best time to beat the crowds with an average 16% drop in price.

Most popular time to fly with an average 2% increase in price.

Flight from Boise to Chicago O'Hare Airport

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.

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

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Idaho

First Class flights to Chicagofrom $991

Business Class flights to Chicagofrom $1,017

Prem Econ Class flights to Chicagofrom $1,426

Economy Class flights to Chicagofrom $268

$83 Find Cheap Flights from Idaho to Chicago

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago

Everything you should know

Cheap Flights from Idaho to Chicago

Recent round-trip flight deals from Idaho to Chicago

Recent one-way flight deals from Idaho to Chicago

Recent last minute flight deals from Idaho to Chicago

Recent direct flight deals from Idaho to Chicago

Good to know

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?

Everything you need to know for your flight to Chicago

Cabin class types available on flights to Idaho

Complete your trip to Chicago with a hotel stay or car rental

Find direct flights for Chicago

Flights to other popular destinations

Flights from domestic origins to Chicago

Choose which airport to fly into in Chicago

Find deals for your return flight