How does KAYAK find such low prices on flights from Oregon 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 Oregon to Chicago.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to Chicago?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Oregon 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 Oregon 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 Oregon with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon 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 Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$122 CHEAP FLIGHTS from Oregon to Chicago

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Flight Deals

Cheap Flights from Oregon 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 Oregon to Chicago

Wed, Nov 11 - Tue, Nov 17

2:50 pm - 10:25 pmBOI Boise Air Term. Gowen Fld-MDW Chicago Midway

6h 35m1 stop Phoenix Sky Harbor Intl

8:05 am - 3:10 pmMDW Chicago Midway-BOI Boise Air Term. Gowen Fld

8h 05m1 stop Denver Intl

$248Southwest

Tue, Nov 3 - Wed, Nov 11

6:43 pm - 1:17 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

17h 34m1 stop San Diego

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

13h 33m1 stop San Diego

$251Alaska Airlines

Tue, Jan 5 - Tue, Jan 12

3:01 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

7h 58m1 stop Seattle/Tacoma Intl

8:00 am - 4:20 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

9h 20m1 stop Seattle/Tacoma Intl

$251Alaska Airlines

Wed, Nov 4 - Sat, Nov 7

11:25 am - 6:30 pmBOI Boise Air Term. Gowen Fld-MDW Chicago Midway

6h 05m1 stop Las Vegas Harry Reid Intl

1:25 pm - 8:30 pmMDW Chicago Midway-BOI Boise Air Term. Gowen Fld

8h 05m2 stops Omaha Eppley Airfield Las Vegas Harry Reid Intl

$253Southwest

Fri, Oct 9 - 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

$262Frontier

Tue, Nov 3 - 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

$271American Airlines

Sat, Oct 10 - Sat, Oct 17

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

3h 47mnonstop

11:35 am - 2:33 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 58mnonstop

$271American Airlines

Wed, Nov 4 - Sat, Nov 7

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

$271United Airlines

Tue, Nov 10 - Wed, Nov 18

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

$271United Airlines

Fri, Oct 9 - 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

$296Frontier

Recent last minute flight deals from Oregon to Chicago

Fri, Sep 25 - Mon, Oct 5

12:38 pm - 12:23 amPDX Portland-ORD Chicago O'Hare Intl

9h 45m1 stop Denver Intl

6:30 am - 11:43 amORD Chicago O'Hare Intl-PDX Portland

7h 13m1 stop Denver Intl

$350Frontier

Fri, Sep 25 - Sat, Sep 26

12:38 pm - 12:23 amPDX Portland-ORD Chicago O'Hare Intl

9h 45m1 stop Denver Intl

7:32 pm - 11:36 amORD Chicago O'Hare Intl-PDX Portland

18h 04m1 stop Las Vegas Harry Reid Intl

$361Frontier

Sat, Sep 26 - Tue, Sep 29

4:20 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

6h 39m1 stop Seattle/Tacoma Intl

7:20 am - 2:02 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

7h 42m1 stop San Diego

$413Alaska Airlines

Sat, Sep 26 - Tue, Sep 29

6:49 pm - 1:22 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

17h 33m1 stop San Diego

8:00 am - 3:30 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

8h 30m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Sat, Sep 26 - Mon, Oct 5

7:06 am - 1:26 pmPDX Portland-ORD Chicago O'Hare Intl

4h 20mnonstop

6:30 am - 11:43 amORD Chicago O'Hare Intl-PDX Portland

7h 13m1 stop Denver Intl

$432Multiple Airlines

Sat, Sep 26 - Sun, Sep 27

7:06 am - 1:26 pmPDX Portland-ORD Chicago O'Hare Intl

4h 20mnonstop

6:30 am - 11:43 amORD Chicago O'Hare Intl-PDX Portland

7h 13m1 stop Denver Intl

$435Multiple Airlines

Wed, Sep 23 - Tue, Sep 29

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

$473American Airlines

Sat, Sep 26 - Wed, Sep 30

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

$473American Airlines

Sat, Sep 26 - Tue, Sep 29

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

$473United Airlines

Sat, Sep 26 - Tue, Sep 29

2:35 pm - 11:09 pmBOI Boise Air Term. Gowen Fld-ORD Chicago O'Hare Intl

7h 34m1 stop San Francisco

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

3h 48mnonstop

$483United Airlines

Recent direct flight deals from Oregon to Chicago

Tue, Nov 3 - 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

$271American Airlines

Sat, Oct 10 - Sat, Oct 17

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

3h 47mnonstop

11:35 am - 2:33 pmORD Chicago O'Hare Intl-BOI Boise Air Term. Gowen Fld

3h 58mnonstop

$271American Airlines

Wed, Nov 4 - Sat, Nov 7

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

$271United Airlines

Tue, Nov 10 - Wed, Nov 18

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

$271United Airlines

Tue, Nov 17 - Wed, Nov 18

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

$271American Airlines

Tue, Nov 3 - Thu, Nov 12

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

$301United Airlines

Wed, Nov 25 - Tue, Dec 1

11:30 pm - 5:15 amPDX Portland-MDW Chicago Midway

3h 45mnonstop

8:40 pm - 11:25 pmMDW Chicago Midway-PDX Portland

4h 45mnonstop

$343Southwest

Mon, Nov 23 - Tue, Dec 1

11:30 pm - 5:15 amPDX Portland-MDW Chicago Midway

3h 45mnonstop

8:40 pm - 11:25 pmMDW Chicago Midway-PDX Portland

4h 45mnonstop

$343Southwest

Fri, Jan 1 - Thu, Jan 7

7:00 am - 1:10 pmPDX Portland-ORD Chicago O'Hare Intl

4h 10mnonstop

2:11 pm - 4:51 pmORD Chicago O'Hare Intl-PDX Portland

4h 40mnonstop

$347Alaska Airlines

Sat, Dec 5 - Tue, Dec 8

7:00 am - 1:10 pmPDX Portland-ORD Chicago O'Hare Intl

4h 10mnonstop

2:08 pm - 5:05 pmORD Chicago O'Hare Intl-PDX Portland

4h 57mnonstop

$348Alaska Airlines

Useful Info

Low season	January
High season	June
Cheapest flight	$122

Best time to beat the crowds but there is an average 2% increase in price.

Flight from Boise to Chicago O'Hare Airport

How does KAYAK find such low prices on flights from Oregon 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 Oregon to Chicago.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to Chicago?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Oregon 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 Oregon 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 Oregon with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon 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 Oregon 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

Schererville

Chesterton

Munster

Porter

Monticello

Saint John

Griffith

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$122 Find Cheap Flights from Oregon to Chicago - Compare and Save

Cheap Flights from Oregon to Chicago

Recent round-trip flight deals from Oregon to Chicago

Recent one-way flight deals from Oregon to Chicago

Recent last minute flight deals from Oregon to Chicago

Recent direct flight deals from Oregon to Chicago

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Oregon 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 Oregon

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