$42+ Cheap flights from Illinois to O'Hare Intl (ORD)
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 3/20. 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
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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 Illinois to O'Hare Intl
Cheapest flights from Illinois to O'Hare IntlExplore the most affordable flight options available from Illinois to O'Hare Intl. 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 Illinois to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.
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.
Wed 2/114:25 pm
BRL
- ORD
Nonstop1h 20m
Contour
Sun 2/1510:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Deal found 1/27![Contour logo]()
$86
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 2/109:50 am
UIN
- ORD
Nonstop1h 20m
Contour
Sat 2/1412:05 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 1/27![Contour logo]()
$87
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/94:25 pm
BRL
- ORD
Nonstop1h 20m
Contour
Fri 2/1310:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Deal found 1/25![Contour logo]()
$87
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.
Sun 2/15:30 pm
UIN
- ORD
Nonstop1h 20m
Contour
Mon 2/27:30 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 1/27![Contour logo]()
$88
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.
Mon 3/238:45 am
BRL
- ORD
Nonstop1h 25m
Contour
Fri 3/2710:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Deal found 1/26![Contour logo]()
$89
This Contour 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:30 pm
UIN
- ORD
Nonstop1h 20m
Contour
Sun 2/227:30 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 1/25![Contour logo]()
$98
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.
Mon 2/164:25 pm
BRL
- ORD
Nonstop1h 20m
Contour
Wed 2/2510:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Deal found 1/26![Contour logo]()
$100
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/279:00 am
BRL
- ORD
Nonstop1h 10m
Contour
Sat 1/3110:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Deal found 1/27![Contour logo]()
$105
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.
Sun 2/89:50 am
UIN
- ORD
Nonstop1h 20m
Contour
Thu 2/197:30 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 1/27![Contour logo]()
$108
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 2/79:50 am
UIN
- ORD
Nonstop1h 20m
Contour
Sun 3/227:30 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 1/25![Contour logo]()
$113
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.
Sun 2/89:00 am
BRL
- ORD
Nonstop1h 10m
Contour
Thu 2/1210:50 am
ORD
- BRL
Nonstop1h 20m
Contour
Deal found 1/27![Contour logo]()
$125
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:22 pm
STL
- ORD
1 stop14h 29m
Frontier
Mon 3/23:50 pm
ORD
- STL
1 stop30h 37m
Frontier
Deal found 1/25![Frontier logo]()
$134
Find flight deals from Illinois to O'Hare Intl
Keep the following information in mind while searching for Illinois to O'Hare Intl flight deals. Data was last updated January 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $87 (Mytrip) |
One-way from | $42 (Booking.com) |
Popular in | July |
Cheapest in | April |
Average price | $215 |
Good round-trip deal | $260 or less |
Good one-way deal | $127 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to O'Hare Intl 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 Illinois to Chicago O'Hare Intl Airport that are best for you.
Fly from
Illinois
Fly to
O'Hare Intl
Route
Depart
Return
Price
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Tue 2/24
9:50 am-11:10 am
Nonstop1h 20m
Chicago O'Hare Intl
Tue 3/3
12:05 pm-1:25 pm
Nonstop1h 20m
$87
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Wed 2/11
5:30 pm-6:50 pm
Nonstop1h 20m
Chicago O'Hare Intl
Sun 2/15
2:40 pm-4:00 pm
Nonstop1h 20m
$87
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Tue 2/10
9:50 am-11:10 am
Nonstop1h 20m
Chicago O'Hare Intl
Sat 2/14
12:05 pm-1:25 pm
Nonstop1h 20m
$87
BurlingtonChicago
BRL - ORD
BRLORD
Burlington
Mon 2/9
4:25 pm-5:45 pm
Nonstop1h 20m
Chicago O'Hare Intl
Fri 2/13
10:50 am-12:10 pm
Nonstop1h 20m
$87
BurlingtonChicago
BRL - ORD
BRLORD
Burlington
Thu 2/26
4:25 pm-5:45 pm
Nonstop1h 20m
Chicago O'Hare Intl
Wed 3/4
10:50 am-12:10 pm
Nonstop1h 20m
$87
BurlingtonChicago
BRL - ORD
BRLORD
Burlington
Thu 2/12
4:25 pm-5:45 pm
Nonstop1h 20m
Chicago O'Hare Intl
Sun 2/15
10:50 am-12:10 pm
Nonstop1h 20m
$87
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Sun 2/1
5:30 pm-6:50 pm
Nonstop1h 20m
Chicago O'Hare Intl
Mon 2/2
7:30 pm-8:50 pm
Nonstop1h 20m
$88
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Wed 4/15
5:25 pm-7:00 pm
Nonstop1h 35m
Chicago O'Hare Intl
Mon 4/20
7:40 pm-9:00 pm
Nonstop1h 20m
$88
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Tue 2/3
9:50 am-11:10 am
Nonstop1h 20m
Chicago O'Hare Intl
Tue 2/10
12:05 pm-1:25 pm
Nonstop1h 20m
$88
BurlingtonChicago
BRL - ORD
BRLORD
Burlington
Mon 4/13
4:40 pm-6:05 pm
Nonstop1h 25m
Chicago O'Hare Intl
Sun 4/19
6:45 pm-8:05 pm
Nonstop1h 20m
$89
Showing 1-10 of 60 results
Best time to book a flight from Illinois to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Illinois 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 Illinois to Chicago O'Hare Intl Airport
What is the cheapest month to book a flight from Illinois to Chicago O'Hare Intl Airport?
Currently, May is the cheapest month in which you can book a flight from Illinois to Chicago O'Hare Intl Airport (average of $158). Flying from Illinois to Chicago O'Hare Intl Airport in April is currently the most expensive (average of $243). 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 IL to ORD?
Find hourly flight availability from Illinois to O'Hare Intl. 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.
It’s optimal to fly from Illinois to Chicago O'Hare Intl Airport in the morning. By choosing this option you can save up to 5% on the cost of your flight, compared to a flight in the evening.
What is the cheapest day to fly from Illinois to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Illinois to O'Hare Intl. Price data was last updated on January 24, 2026.
Travelers seeking maximum savings on their Illinois to Chicago O'Hare Intl Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated January 27, 2026.
Read through reviews of airlines operating flights from Illinois to Chicago O'Hare Intl Airport, such as Contour, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.9
Food
6.8
Entertainment
6.1
Overall
7.6
Boarding
7.6
Comfort
7.3
Reviews
1 / 2
10.0
ExcellentAnonymous,Oct 2025
CLT - PAH
Crew
7.9
Food
6.8
Entertainment
6.1
Overall
7.6
Boarding
7.6
Comfort
7.3
Reviews
1 / 2
10.0
ExcellentAnonymous,Oct 2025
CLT - PAH
Crew
7.9
Food
6.8
Entertainment
6.1
Overall
7.6
Boarding
7.6
Comfort
7.3
Reviews
1 / 2
10.0
ExcellentAnonymous,Oct 2025
CLT - PAH
Crew
7.9
Food
6.8
Entertainment
6.1
Overall
7.6
Boarding
7.6
Comfort
7.3
Reviews
1 / 2
10.0
ExcellentAnonymous,Oct 2025
CLT - PAH
Related info for your journey
Find useful and relevant information for your journey from Illinois to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsSchaumburg
Rosemont
Naperville
Gurnee
Elgin
Hoffman Estates
Beloit
Delavan
Oak Brook
Des Plaines
Downers Grove
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Waukegan
Bridgeview
Kenosha
Warrenville
Aurora
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Illinois to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Illinois to O'Hare Intl
Discover the top 2 airlines that operate flights from Illinois to O'Hare Intl. 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$271 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$467 | FlexibilityNo cancel fee | On-time71% |