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.

$131 CHEAP FLIGHTS from Idaho to Chicago

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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, Oct 24 - Wed, Oct 28

1:50 pm - 6:24 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

3h 34mnonstop

10:30 am - 1:20 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

3h 50mnonstop

$301American Airlines

Sat, Oct 24 - Wed, Oct 28

1:50 pm - 6:24 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

3h 34mnonstop

10:30 am - 1:20 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

3h 50mnonstop

$301American Airlines

Sat, Oct 3 - Sat, Oct 10

8:55 am - 6:00 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

8h 05m1 stop Seattle/Tacoma Intl

6:35 am - 3:20 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

9h 45m1 stop Seattle/Tacoma Intl

$303Delta

Sat, Nov 7 - Mon, Nov 9

3:36 pm - 11:54 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

7h 18m1 stop Seattle/Tacoma Intl

5:55 pm - 11:59 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

7h 04m1 stop Seattle/Tacoma Intl

$303Delta

Fri, Oct 23 - Sun, Oct 25

4:18 pm - 5:40 amBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

12h 22m1 stop Seattle/Tacoma Intl

6:00 am - 11:59 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

18h 59m1 stop Seattle/Tacoma Intl

$303Alaska Airlines

Tue, Nov 10 - Wed, Nov 11

8:59 pm - 5:40 amBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

7h 41m1 stop Seattle/Tacoma Intl

9:30 am - 6:03 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

9h 33m1 stop Seattle/Tacoma Intl

$303Alaska Airlines

Thu, Sep 24 - Sun, Sep 27

2:50 pm - 5:38 amBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

13h 48m1 stop Las Vegas Harry Reid Intl

8:55 pm - 1:55 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

18h 00m1 stop Las Vegas Harry Reid Intl

$312Frontier

Fri, Oct 16 - Mon, Oct 19

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

13h 26m1 stop Las Vegas Harry Reid Intl

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

7h 35m1 stop Seattle/Tacoma Intl

$319Multiple Airlines

Tue, Oct 20 - Sat, Oct 24

2:28 pm - 10:46 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

7h 18m1 stop Denver Intl

10:55 am - 3:24 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

5h 29m1 stop Denver Intl

$321United Airlines

Sat, Oct 17 - Tue, Oct 20

4:05 pm - 11:59 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

6h 54m1 stop Denver Intl

5:00 am - 9:53 amORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

5h 53m1 stop Denver Intl

$321United Airlines

Recent last minute flight deals from Idaho to Chicago

Fri, Sep 11 - Sun, Sep 13

2:50 pm - 5:38 amBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

13h 48m1 stop Las Vegas Harry Reid Intl

8:55 pm - 1:55 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

18h 00m1 stop Las Vegas Harry Reid Intl

$366Frontier

Wed, Sep 9 - Sat, Sep 19

7:48 pm - 6:20 amBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

9h 32m1 stop Seattle/Tacoma Intl

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

7h 35m1 stop Seattle/Tacoma Intl

$369Alaska Airlines

Wed, Sep 9 - Sat, Sep 19

7:48 pm - 6:20 amBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

9h 32m1 stop Seattle/Tacoma Intl

7:00 pm - 9:56 amORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

15h 56m1 stop Seattle/Tacoma Intl

$369Alaska Airlines

Wed, Sep 9 - Sat, Sep 19

3:21 pm - 8:16 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 55mnonstop

11:35 am - 2:31 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 56mnonstop

$409American Airlines

Wed, Sep 9 - Sat, Sep 19

3:21 pm - 8:16 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

3h 55mnonstop

3:18 pm - 10:03 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

7h 45m1 stop Phoenix Sky Harbor Intl

$419American Airlines

Tue, Sep 8 - Wed, Sep 9

2:41 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

8h 18m1 stop Denver Intl

7:51 pm - 10:53 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

4h 02mnonstop

$419United Airlines

Tue, Sep 8 - Wed, Sep 9

2:41 pm - 9:59 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

6h 18m1 stop Denver Intl

12:45 pm - 5:58 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

6h 13m1 stop Denver Intl

$429United Airlines

Sat, Sep 12 - Tue, Sep 15

9:23 am - 6:00 pmGEG Spokane-ORD Chicago O'Hare Intl

6h 37m1 stop Seattle/Tacoma Intl

12:50 pm - 6:50 pmORD Chicago O'Hare Intl-GEG Spokane

8h 00m1 stop Seattle/Tacoma Intl

$430Delta

Wed, Sep 9 - Sat, Sep 19

11:03 am - 9:33 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

9h 30m2 stops Salt Lake City Minneapolis St Paul

7:00 am - 3:16 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

9h 16m1 stop Seattle/Tacoma Intl

$434Delta

Fri, Sep 11 - Thu, Sep 17

6:37 pm - 5:38 amIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

10h 01m1 stop Las Vegas Harry Reid Intl

2:46 pm - 12:04 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

22h 18m2 stops Houston George Bush Intcntl Las Vegas Harry Reid Intl

$688Multiple Airlines

Recent direct flight deals from Idaho to Chicago

Sat, Oct 24 - Wed, Oct 28

1:50 pm - 6:24 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

3h 34mnonstop

10:30 am - 1:20 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

3h 50mnonstop

$301American Airlines

Sat, Oct 24 - Wed, Oct 28

1:50 pm - 6:24 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

3h 34mnonstop

10:30 am - 1:20 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

3h 50mnonstop

$301American Airlines

Tue, Oct 20 - Sat, Oct 24

1:50 pm - 6:24 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

3h 34mnonstop

10:30 am - 1:20 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

3h 50mnonstop

$301American Airlines

Wed, Oct 28 - Mon, Nov 2

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

$329United Airlines

Tue, Sep 29 - Tue, Oct 6

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

3h 39mnonstop

8:40 am - 11:28 amORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 48mnonstop

$329United Airlines

Tue, Sep 29 - Thu, Oct 1

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

3h 39mnonstop

8:40 am - 11:28 amORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 48mnonstop

$363United Airlines

Fri, Sep 25 - Sun, Sep 27

6:00 am - 11:30 amGEG Spokane-MDW Chicago Midway

3h 30mnonstop

12:20 pm - 2:10 pmMDW Chicago Midway-GEG Spokane

3h 50mnonstop

$413Southwest

Mon, Sep 21 - Fri, Sep 25

6:00 am - 11:30 amGEG Spokane-MDW Chicago Midway

3h 30mnonstop

8:50 pm - 10:45 pmMDW Chicago Midway-GEG Spokane

3h 55mnonstop

$436Southwest

Tue, Sep 22 - Sat, Sep 26

2:19 pm - 8:15 pmGEG Spokane-ORD Chicago O'Hare Intl

3h 56mnonstop

11:10 am - 1:19 pmORD Chicago O'Hare Intl-GEG Spokane

4h 09mnonstop

$570Alaska Airlines

Mon, Oct 5 - Sat, Oct 10

2:08 pm - 8:00 pmGEG Spokane-ORD Chicago O'Hare Intl

3h 52mnonstop

9:44 am - 11:50 amORD Chicago O'Hare Intl-GEG Spokane

4h 06mnonstop

$606Alaska Airlines

Useful Info

Low season	January
High season	June
Cheapest flight	$131

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

Most popular time to fly with an average 5% 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

Munster

Schererville

Chesterton

Porter

Monticello

Saint John

Griffith

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$131 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

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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

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Find deals for your return flight