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.

$107 CHEAP FLIGHTS from Idaho to Chicago

Save 19% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from Idaho to Chicago

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

Sat, Nov 21 - Tue, Nov 24

7:55 pm - 5:10 amBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

8h 15m1 stop Las Vegas Harry Reid Intl

5:15 am - 7:00 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

14h 45m1 stop Las Vegas Harry Reid Intl

$226Frontier

Tue, Oct 27 - Thu, Oct 29

4:40 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-MDW Chicago Midway

6h 15m1 stop Phoenix Sky Harbor Intl

5:40 am - 11:20 amMDW Chicago Midway-BOI Boise Air Term. Gowen Fld

6h 40m1 stop Phoenix Sky Harbor Intl

$243Southwest

Thu, Nov 19 - Thu, Nov 26

8:55 am - 4:47 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

6h 52m1 stop Seattle/Tacoma Intl

6:00 am - 1:11 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

8h 11m1 stop Atlanta Hartsfield-Jackson

$247Delta

Mon, Nov 9 - Sat, Nov 14

11:10 pm - 9:22 amBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

9h 12m1 stop Atlanta Hartsfield-Jackson

3:47 pm - 8:21 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

5h 34m1 stop Minneapolis St Paul

$247Delta

Tue, Oct 27 - Thu, Oct 29

12:55 pm - 10:20 pmBOI Boise Air Term. Gowen Fld-MDW Chicago Midway

8h 25m2 stops Denver Intl Dallas Love Field

5:40 am - 11:20 amMDW Chicago Midway-BOI Boise Air Term. Gowen Fld

6h 40m1 stop Phoenix Sky Harbor Intl

$248Southwest

Thu, Nov 5 - Wed, Nov 11

2:49 pm - 5:13 amBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

13h 24m1 stop Las Vegas Harry Reid Intl

6:30 am - 1:54 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

32h 24m2 stops Denver Intl Las Vegas Harry Reid Intl

$270Frontier

Thu, Oct 29 - Wed, Nov 4

8:25 am - 4:50 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

7h 25m1 stop Seattle/Tacoma Intl

7:20 am - 7:53 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

13h 33m1 stop San Diego

$339Alaska Airlines

Sat, Oct 24 - Wed, Oct 28

10:06 am - 6:20 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

7h 14m1 stop Seattle/Tacoma Intl

9:00 am - 3:23 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

7h 23m1 stop Seattle/Tacoma Intl

$339Alaska Airlines

Tue, Oct 27 - Fri, Nov 6

3:24 pm - 8:11 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 47mnonstop

9:45 am - 12:37 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 52mnonstop

$359American Airlines

Tue, Nov 3 - Tue, Nov 10

1:24 pm - 6:10 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 46mnonstop

9:45 am - 12:37 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 52mnonstop

$359American Airlines

Recent last minute flight deals from Idaho to Chicago

Mon, Oct 12 - Tue, Oct 20

5:59 am - 1:18 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

6h 19m1 stop Portland

2:14 pm - 8:19 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

7h 05m1 stop Portland

$434Alaska Airlines

Tue, Oct 13 - Mon, Oct 19

4:20 pm - 1:18 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

19h 58m1 stop Portland

6:00 am - 12:35 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

7h 35m1 stop Seattle/Tacoma Intl

$435Alaska Airlines

Tue, Oct 13 - Sun, Oct 18

3:24 pm - 8:11 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 47mnonstop

5:00 am - 1:22 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

9h 22m1 stop Phoenix Sky Harbor Intl

$456American Airlines

Tue, Oct 13 - Mon, Oct 19

3:24 pm - 8:11 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 47mnonstop

5:00 am - 11:24 amORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

7h 24m1 stop Dallas/Fort Worth

$456American Airlines

Tue, Oct 13 - Fri, Oct 23

3:36 pm - 11:34 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

6h 58m1 stop Seattle/Tacoma Intl

7:15 pm - 11:59 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

5h 44m1 stop Salt Lake City

$466Delta

Tue, Oct 13 - Thu, Oct 22

5:30 am - 11:40 amBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

5h 10m1 stop Minneapolis St Paul

6:30 am - 1:34 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

8h 04m1 stop Atlanta Hartsfield-Jackson

$466Delta

Thu, Oct 8 - Sat, Oct 10

2:50 pm - 5:16 amBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

13h 26m1 stop Las Vegas Harry Reid Intl

9:00 am - 3:23 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

7h 23m1 stop Seattle/Tacoma Intl

$474Multiple Airlines

Thu, Oct 8 - Sun, Oct 11

2:50 pm - 5:16 amBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

13h 26m1 stop Las Vegas Harry Reid Intl

3:30 pm - 1:55 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

23h 25m1 stop Las Vegas Harry Reid Intl

$496Frontier

Sat, Oct 10 - Mon, Oct 12

12:26 pm - 5:05 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 39mnonstop

7:55 pm - 10:58 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

4h 03mnonstop

$501United Airlines

Sat, Oct 10 - Mon, Oct 12

2:44 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

8h 15m1 stop Denver Intl

7:55 pm - 10:58 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

4h 03mnonstop

$511United Airlines

Recent direct flight deals from Idaho to Chicago

Tue, Oct 27 - Fri, Nov 6

3:24 pm - 8:11 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 47mnonstop

9:45 am - 12:37 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 52mnonstop

$359American Airlines

Tue, Nov 3 - Tue, Nov 10

1:24 pm - 6:10 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 46mnonstop

9:45 am - 12:37 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 52mnonstop

$359American Airlines

Fri, Oct 30 - Sun, Nov 1

12:31 pm - 5:05 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 34mnonstop

8:40 am - 11:31 amORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 51mnonstop

$359United Airlines

Thu, Nov 5 - Sun, Nov 8

12:31 pm - 5:05 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 34mnonstop

8:40 am - 11:31 amORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 51mnonstop

$359United Airlines

Wed, Nov 4 - Tue, Nov 10

1:24 pm - 6:10 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 46mnonstop

9:45 am - 12:37 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 52mnonstop

$359American Airlines

Wed, Nov 4 - Wed, Nov 11

1:24 pm - 6:10 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 46mnonstop

9:45 am - 12:37 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 52mnonstop

$359American Airlines

Sun, Nov 1 - Sat, Nov 7

1:24 pm - 6:10 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 46mnonstop

9:45 am - 12:37 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 52mnonstop

$359American Airlines

Sat, Oct 31 - Sun, Nov 8

12:31 pm - 5:05 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 34mnonstop

8:40 am - 11:31 amORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 51mnonstop

$359United Airlines

Wed, Nov 4 - Sun, Nov 8

12:31 pm - 5:05 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 34mnonstop

8:40 am - 11:31 amORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 51mnonstop

$359United Airlines

Thu, Oct 29 - Mon, Nov 2

12:31 pm - 5:05 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 34mnonstop

7:45 pm - 10:51 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

4h 06mnonstop

$359United Airlines

Useful Info

Low season	January
High season	June
Cheapest flight	$107

Best time to beat the crowds with an average 20% drop in price.

Most popular time to fly with an average 1% 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

Hammond

Saint Joseph

Portage

Lansing

Valparaiso

Chesterton

Schererville

Munster

Porter

Monticello

Saint John

Griffith

More options for your flight to Chicago

Add a hotel or car rental

Cabin class

Direct Flights

Origins

Other airports

Other destinations

Return flight

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

Car rentals in Chicago

$107 Find Cheap Flights from Idaho to Chicago - Compare and Save

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

Low season

High season

Cheapest flight

FAQs for booking flights from Idaho to Chicago

Traveling to a place near Chicago?

More options for your flight to Chicago

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

Cabin class types available on flights to Idaho

Find direct flights for Chicago

Flights from domestic origins to Chicago

Choose which airport to fly into in Chicago

Flights to other popular destinations

Find deals for your return flight