$43+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ORD
Feb 26 — Mar 51
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from O'Hare Intl to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from O'Hare Intl to Illinois
Cheapest flights from O'Hare Intl to IllinoisExplore 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 January 27, 2026.
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 January 27, 2026.
This Booking.com deal was found by Cheapflights users on 1/26. 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.
Thu 3/126:25 pm
ORD
- BRL
Nonstop1h 20m
Contour
Thu 3/198:45 am
BRL
- ORD
Nonstop1h 25m
Contour
Deal found 1/26![Contour logo]()
$86
This Booking.com deal was found by Cheapflights users on 1/26. 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.
Thu 2/1210:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Sun 2/159:00 am
BRL
- ORD
Nonstop1h 10m
Contour
Deal found 1/26![Contour logo]()
$87
This Booking.com deal was found by Cheapflights users on 1/26. 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 3/2010:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Sat 3/288:45 am
BRL
- ORD
Nonstop1h 25m
Contour
Deal found 1/26![Contour logo]()
$89
This Booking.com deal was found by Cheapflights users on 1/25. 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.
Sat 3/2810:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Sat 4/49:10 am
BRL
- ORD
Nonstop1h 25m
Contour
Deal found 1/25![Contour logo]()
$90
This Trip.com deal was found by Cheapflights users on 1/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1210:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Mon 2/169:00 am
BRL
- ORD
Nonstop1h 10m
Contour
Deal found 1/27![Contour logo]()
$95
This Contour deal was found by Cheapflights users on 1/26. 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 2/2410:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Wed 2/259:00 am
BRL
- ORD
Nonstop1h 10m
Contour
Deal found 1/26![Contour logo]()
$100
This Mytrip deal was found by Cheapflights users on 1/27. 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 2/310:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Thu 2/54:25 pm
BRL
- ORD
Nonstop1h 20m
Contour
Deal found 1/27![Contour logo]()
$104
This Southwest deal was found by Cheapflights users on 1/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/242:15 pm
ORD
- STL
1 stop6h 20m
Southwest
Tue 3/36:20 am
STL
- ORD
1 stop6h 40m
Southwest
Deal found 1/26![Southwest logo]()
$117
This Booking.com deal was found by Cheapflights users on 1/24. 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.
Sun 2/110:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Wed 2/49:00 am
BRL
- ORD
Nonstop1h 10m
Contour
Deal found 1/24![Contour logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/176:02 pm
ORD
- STL
1 stop12h 49m
Frontier
Fri 2/208:20 pm
STL
- ORD
1 stop26h 19m
Frontier
Deal found 1/26![Frontier logo]()
$133
This Contour deal was found by Cheapflights users on 1/27. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/610:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Mon 2/99:00 am
BRL
- ORD
Nonstop1h 10m
Contour
Deal found 1/27![Contour logo]()
$134
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 3/38:10 am
ORD
- STL
Nonstop1h 23m
American Airlines
Thu 3/56:00 am
STL
- ORD
Nonstop1h 28m
American Airlines
Deal found 1/27![American Airlines logo]()
$134
Find 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 January 27, 2026.
Round-trip from | $86 (Booking.com) |
|---|---|
One-way from | $43 (Booking.com) |
Good round-trip deal | $131 or less |
Good one-way deal | $251 or less |
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 January 27, 2026.
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
Thu 3/12
6:25 pm-7:45 pm
Nonstop1h 20m
Burlington
Thu 3/19
8:45 am-10:10 am
Nonstop1h 25m
$86
ChicagoBurlington
ORD - BRL
ORDBRL
Chicago O'Hare Intl
Sun 3/22
10:50 am-12:10 pm
Nonstop1h 20m
Burlington
Sat 4/4
9:10 am-10:35 am
Nonstop1h 25m
$86
ChicagoBurlington
ORD - BRL
ORDBRL
Chicago O'Hare Intl
Mon 2/9
6:25 pm-7:45 pm
Nonstop1h 20m
Burlington
Fri 2/13
4:25 pm-5:45 pm
Nonstop1h 20m
$87
ChicagoBurlington
ORD - BRL
ORDBRL
Chicago O'Hare Intl
Wed 2/11
6:25 pm-7:45 pm
Nonstop1h 20m
Burlington
Sun 2/15
4:25 pm-5:45 pm
Nonstop1h 20m
$87
ChicagoBurlington
ORD - BRL
ORDBRL
Chicago O'Hare Intl
Thu 2/12
10:50 am-12:10 pm
Nonstop1h 20m
Burlington
Mon 2/16
9:00 am-10:10 am
Nonstop1h 10m
$87
ChicagoBurlington
ORD - BRL
ORDBRL
Chicago O'Hare Intl
Sat 2/14
10:50 am-12:10 pm
Nonstop1h 20m
Burlington
Mon 2/16
9:00 am-10:10 am
Nonstop1h 10m
$87
ChicagoBurlington
ORD - BRL
ORDBRL
Chicago O'Hare Intl
Fri 3/20
10:50 am-12:10 pm
Nonstop1h 20m
Burlington
Sat 3/28
8:45 am-10:10 am
Nonstop1h 25m
$89
ChicagoBurlington
ORD - BRL
ORDBRL
Chicago O'Hare Intl
Sat 3/28
10:50 am-12:10 pm
Nonstop1h 20m
Burlington
Sat 4/4
9:10 am-10:35 am
Nonstop1h 25m
$90
ChicagoBurlington
ORD - BRL
ORDBRL
Chicago O'Hare Intl
Fri 2/13
6:25 pm-7:45 pm
Nonstop1h 20m
Burlington
Sun 2/15
9:00 am-10:10 am
Nonstop1h 10m
$90
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Tue 2/24
2:15 pm-8:35 pm
1 stop6h 20m
Lambert-St Louis
Tue 3/3
6:20 am-1:00 pm
1 stop6h 40m
$117
Showing 1-10 of 60 results
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, February 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 December is currently the most expensive (average of $339). 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 January 27, 2026.
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 37% versus a flight at noon.
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 Wednesday afternoons 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 January 27, 2026.
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.
Food
6.8
Overall
7.6
Crew
7.9
Comfort
7.3
Boarding
7.6
Entertainment
6.1
Reviews
1 / 2
10.0
ExcellentAnonymous,Oct 2025
CLT - PAH
Food
6.8
Overall
7.6
Crew
7.9
Comfort
7.3
Boarding
7.6
Entertainment
6.1
Reviews
1 / 2
10.0
ExcellentAnonymous,Oct 2025
CLT - PAH
Food
6.8
Overall
7.6
Crew
7.9
Comfort
7.3
Boarding
7.6
Entertainment
6.1
Reviews
1 / 2
10.0
ExcellentAnonymous,Oct 2025
CLT - PAH
Food
6.8
Overall
7.6
Crew
7.9
Comfort
7.3
Boarding
7.6
Entertainment
6.1
Reviews
1 / 2
10.0
ExcellentAnonymous,Oct 2025
CLT - PAH
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for O'Hare Intl to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
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 January 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$339 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$363 | Average$513 | FlexibilityNo cancel fee | On-time71% |