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$49+ Cheap flights from O'Hare Intl (ORD) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ORD
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Illinois

Keep the following information in mind while searching for O'Hare Intl to Illinois flight deals. Data was last updated October 28, 2025.

Round-trip from

$102
(Mytrip)

One-way from

$49
(United Airlines)

Good round-trip deal

$199 or less

Good one-way deal

$113 or less
From Chicago O'Hare Intl to Illinois
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One-way flight from Chicago O'Hare Intl to Illinois
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Illinois.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Illinois.
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Find flight deals from O'Hare Intl to Illinois

Cheapest flights from O'Hare Intl to Illinois
Explore the most affordable flight options available from O'Hare Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:25 pmORD - BRL
Nonstop1h 20mContour
Sat 11/159:00 amBRL - ORD
Nonstop1h 10mContour
Deal found 10/27$106
This Booking.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2110:50 amORD - BRL
Nonstop1h 20mContour
Mon 12/19:00 amBRL - ORD
Nonstop1h 10mContour
Deal found 10/26$109
This Contour deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:25 pmORD - BRL
Nonstop1h 20mContour
Sun 11/239:00 amBRL - ORD
Nonstop1h 10mContour
Deal found 10/26$118
This Booking.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:50 amORD - BRL
Nonstop1h 20mContour
Sun 11/309:00 amBRL - ORD
Nonstop1h 10mContour
Deal found 10/27$119
This Booking.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3111:40 amORD - BRL
Nonstop1h 20mContour
Mon 11/39:00 amBRL - ORD
Nonstop1h 10mContour
Deal found 10/28$129
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:10 pmORD - STL
Nonstop1h 33mUnited Airlines
Sat 1/104:49 pmSTL - ORD
Nonstop1h 43mUnited Airlines
Deal found 10/28$134
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/111:22 pmORD - STL
Nonstop1h 28mAmerican Airlines
Thu 12/188:01 pmSTL - ORD
Nonstop1h 29mAmerican Airlines
Deal found 10/27$137
This FlightHub deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/295:40 pmORD - BRL
Nonstop1h 20mContour
Wed 11/52:25 pmBRL - ORD
Nonstop1h 20mContour
Deal found 10/27$138
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:41 amORD - STL
Nonstop1h 27mAmerican Airlines
Mon 12/88:38 amSTL - ORD
Nonstop1h 38mAmerican Airlines
Deal found 10/27$139
This Booking.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:05 pmORD - STL
1 stop15h 02mFrontier
Thu 11/203:14 pmSTL - ORD
1 stop8h 54mFrontier
Deal found 10/27$141
This Trip.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:11 amORD - STL
1 stop5h 01mFrontier
Sat 11/157:45 pmSTL - ORD
1 stop28h 30mFrontier
Deal found 10/28$142
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:25 pmORD - BRL
Nonstop1h 20mContour
Fri 11/149:00 amBRL - ORD
Nonstop1h 10mContour
Deal found 10/26$143

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Illinois that are best for you.

Fly from

O'Hare Intl

Fly to

Illinois

Route

Depart

Return

Price

ChicagoBurlington

ORD - BRL

ORDBRL

Chicago O'Hare Intl

Tue 11/11

6:25 pm-7:45 pm

Nonstop1h 20m

Burlington

Sat 11/15

9:00 am-10:10 am

Nonstop1h 10m

$106

ChicagoBurlington

ORD - BRL

ORDBRL

Chicago O'Hare Intl

Thu 11/27

10:50 am-12:10 pm

Nonstop1h 20m

Burlington

Sun 11/30

9:00 am-10:10 am

Nonstop1h 10m

$109

ChicagoBurlington

ORD - BRL

ORDBRL

Chicago O'Hare Intl

Fri 11/21

10:50 am-12:10 pm

Nonstop1h 20m

Burlington

Mon 12/1

9:00 am-10:10 am

Nonstop1h 10m

$109

ChicagoBurlington

ORD - BRL

ORDBRL

Chicago O'Hare Intl

Sun 12/14

10:50 am-12:10 pm

Nonstop1h 20m

Burlington

Tue 12/16

9:00 am-10:10 am

Nonstop1h 10m

$118

ChicagoBurlington

ORD - BRL

ORDBRL

Chicago O'Hare Intl

Tue 11/18

6:25 pm-7:45 pm

Nonstop1h 20m

Burlington

Sun 11/23

9:00 am-10:10 am

Nonstop1h 10m

$118

ChicagoBurlington

ORD - BRL

ORDBRL

Chicago O'Hare Intl

Wed 11/26

10:50 am-12:10 pm

Nonstop1h 20m

Burlington

Sun 11/30

9:00 am-10:10 am

Nonstop1h 10m

$119

ChicagoBurlington

ORD - BRL

ORDBRL

Chicago O'Hare Intl

Fri 10/31

11:40 am-1:00 pm

Nonstop1h 20m

Burlington

Mon 11/3

9:00 am-10:10 am

Nonstop1h 10m

$129

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 12/24

8:10 pm-9:43 pm

Nonstop1h 33m

Lambert-St Louis

Sat 1/10

4:49 pm-6:32 pm

Nonstop1h 43m

$134

ChicagoBurlington

ORD - BRL

ORDBRL

Chicago O'Hare Intl

Mon 11/10

6:25 pm-7:45 pm

Nonstop1h 20m

Burlington

Fri 11/14

9:00 am-10:10 am

Nonstop1h 10m

$143

ChicagoDecatur

ORD - DEC

ORDDEC

Chicago O'Hare Intl

Fri 11/14

4:50 pm-5:52 pm

Nonstop1h 02m

Decatur Arpt

Mon 11/17

7:08 pm-8:19 pm

Nonstop1h 11m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 results
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Best time to book a flight from O'Hare Intl to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Illinois

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Illinois?

Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Illinois (average of $179). Flying from Chicago O'Hare Intl Airport to Illinois in January is currently the most expensive (average of $259). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to IL?

Find hourly flight availability from O'Hare Intl to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

When flying from Chicago O'Hare Intl Airport to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 25% versus a flight in the evening.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Illinois?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Illinois. Price data was last updated on January 26, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Illinois flight should consider departing on Monday at noon when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated October 28, 2025.
See what other customers who have flown with Contour, United Airlines, and American Airlines from Chicago O'Hare Intl Airport to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Contour
7.4
Good
39 reviews

Boarding

7.4

Entertainment

6.3

Crew

7.8

Comfort

7.2

Overall

7.4

Food

6.8

Reviews

1 / 1
2.0
Mediocre

Kavita,Aug 2025

PAH - CLT

Flight was canceled after hours of delays due to a maintenance issue. Contour offered no assistance with rebooking, finding a hotel for the night, or transportation even though the next flight was not until the next morning.
Contour
7.4
Good
39 reviews
Contour
7.4
Good
39 reviews

Boarding

7.4

Entertainment

6.3

Crew

7.8

Comfort

7.2

Overall

7.4

Food

6.8

Reviews

1 / 1
2.0
Mediocre

Kavita,Aug 2025

PAH - CLT

Flight was canceled after hours of delays due to a maintenance issue. Contour offered no assistance with rebooking, finding a hotel for the night, or transportation even though the next flight was not until the next morning.
United Airlines
7.4
Good
9,001 reviews
Contour
7.4
Good
39 reviews

Boarding

7.4

Entertainment

6.3

Crew

7.8

Comfort

7.2

Overall

7.4

Food

6.8

Reviews

1 / 1
2.0
Mediocre

Kavita,Aug 2025

PAH - CLT

Flight was canceled after hours of delays due to a maintenance issue. Contour offered no assistance with rebooking, finding a hotel for the night, or transportation even though the next flight was not until the next morning.
American Airlines
7.2
Good
11,032 reviews
Contour
7.4
Good
39 reviews

Boarding

7.4

Entertainment

6.3

Crew

7.8

Comfort

7.2

Overall

7.4

Food

6.8

Reviews

1 / 1
2.0
Mediocre

Kavita,Aug 2025

PAH - CLT

Flight was canceled after hours of delays due to a maintenance issue. Contour offered no assistance with rebooking, finding a hotel for the night, or transportation even though the next flight was not until the next morning.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago O'Hare Intl Airport to Illinois?

    Departing from Chicago O'Hare Intl Airport to Illinois will take you 1h 20m. The distance from Chicago O'Hare Intl Airport to Illinois is about 186 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Chicago O'Hare Intl Airport to Illinois?

    While some choose either Chicago O'Hare Intl - Moline Quad-City or Chicago O'Hare Intl - Evansville Dress Regional, Chicago O'Hare Intl - Lambert-St Louis is the most popular route from Chicago O'Hare Intl Airport to Illinois.

  • Can I find deals for flights from O'Hare Intl to Illinois that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Illinois.

  • Can I find deals for business class flights from O'Hare Intl to Illinois?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Illinois (average of $179). Flying from Chicago O'Hare Intl Airport to Illinois in January is currently the most expensive (average of $259). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for O'Hare Intl to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from O'Hare Intl to Illinois

Discover the top 2 airlines that operate flights from O'Hare Intl to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$319FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$363Average$437FlexibilityNo cancel feeOn-time71%

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