$44+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ORD
Apr 8 — Apr 151
1 adult, Economy
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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 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 April 3, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $88 (Expedia) |
One-way from | $44 (Southern / Mokulele) |
Popular in | April |
Cheapest in | January |
Average price | $455 |
Good round-trip deal | $152 or less |
Good one-way deal | $212 or less |
Find 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 April 3, 2025.
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 April 3, 2025.
This Expedia deal was found by Cheapflights users on 4/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/232:10 pmBRL - ORD
Nonstop1h 40mSouthern / Mokulele
Thu 4/248:25 amORD - BRL
Nonstop1h 40mSouthern / Mokulele
Deal found 4/2![Southern / Mokulele logo]()
$88
This Ticket deal was found by Cheapflights users on 4/1. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/245:15 pmSTL - ORD
1 stop14h 25mSouthern / Mokulele
Sun 4/278:20 pmORD - STL
1 stop15h 25mSouthern / Mokulele
Deal found 4/1![Southern / Mokulele logo]()
$121
This Trip.com deal was found by Cheapflights users on 4/2. 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.
Fri 4/185:40 amUIN - ORD
Nonstop1h 57mSouthern / Mokulele
Sat 4/191:10 pmORD - UIN
Nonstop1h 55mSouthern / Mokulele
Deal found 4/2![Southern / Mokulele logo]()
$153
This Mytrip deal was found by Cheapflights users on 4/2. 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.
Sat 5/1712:15 pmSTL - ORD
1 stop3h 35mMultiple Airlines
Sat 5/245:03 pmORD - STL
1 stop6h 41mMultiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$153
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 6/36:55 pmDEC - ORD
Nonstop1h 08mUnited Airlines
Wed 6/184:50 pmORD - DEC
Nonstop1h 03mUnited Airlines
Deal found 4/2![United Airlines logo]()
$159
This Frontier deal was found by Cheapflights users on 4/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/12:52 pmSTL - ORD
1 stop9h 28mFrontier
Tue 7/85:10 amORD - STL
1 stop8h 39mFrontier
Deal found 4/2![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/1. 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 6/23:55 pmDBQ - ORD
Nonstop0h 55mDenver Air Connection
Tue 6/32:30 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 4/1![Denver Air Connection logo]()
$174
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Fri 5/25:25 pmPIA - ORD
Nonstop1h 08mUnited Airlines
Mon 5/53:35 pmORD - PIA
Nonstop1h 12mUnited Airlines
Deal found 4/2![United Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 4/2. 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 4/2411:21 amMLI - ORD
Nonstop1h 09mAmerican Airlines
Wed 7/25:04 pmORD - MLI
Nonstop0h 57mAmerican Airlines
Deal found 4/2![American Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Wed 4/235:44 amEVV - ORD
Nonstop1h 46mAmerican Airlines
Wed 4/231:13 pmORD - EVV
Nonstop1h 18mAmerican Airlines
Deal found 4/2![American Airlines logo]()
$191
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 4/296:30 amSTL - ORD
Nonstop1h 31mUnited Airlines
Tue 4/291:15 pmORD - STL
Nonstop1h 27mUnited Airlines
Deal found 4/1![United Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 4/1. 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 6/196:26 pmPIA - ORD
Nonstop1h 16mAmerican Airlines
Sun 6/228:39 amORD - PIA
Nonstop1h 00mAmerican Airlines
Deal found 4/1![American Airlines logo]()
$224
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 April 3, 2025.
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
BurlingtonChicago
BRL - ORD
BRLORD
Burlington
Wed 4/23
2:10 pm-3:50 pm
Nonstop1h 40m
Chicago O'Hare Intl
Thu 4/24
8:25 am-10:05 am
Nonstop1h 40m
$88
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Thu 4/24
5:15 pm-7:40 am
1 stop14h 25m
Chicago O'Hare Intl
Sun 4/27
8:20 pm-11:45 am
1 stop15h 25m
$121
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Sat 5/17
12:15 pm-3:50 pm
1 stop3h 35m
Chicago O'Hare Intl
Sat 5/24
5:03 pm-11:44 pm
1 stop6h 41m
$153
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Fri 4/18
5:40 am-7:37 am
Nonstop1h 57m
Chicago O'Hare Intl
Sat 4/19
1:10 pm-3:05 pm
Nonstop1h 55m
$153
DecaturChicago
DEC - ORD
DECORD
Decatur Arpt
Tue 6/3
6:55 pm-8:03 pm
Nonstop1h 08m
Chicago O'Hare Intl
Wed 6/18
4:50 pm-5:53 pm
Nonstop1h 03m
$159
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Tue 7/1
2:52 pm-12:20 am
1 stop9h 28m
Chicago O'Hare Intl
Tue 7/8
5:10 am-1:49 pm
1 stop8h 39m
$160
DubuqueChicago
DBQ - ORD
DBQORD
Dubuque
Mon 6/2
3:55 pm-4:50 pm
Nonstop0h 55m
Chicago O'Hare Intl
Tue 6/3
2:30 pm-3:25 pm
Nonstop0h 55m
$174
MolineChicago
MLI - ORD
MLIORD
Moline Quad-City
Thu 4/24
11:21 am-12:30 pm
Nonstop1h 09m
Chicago O'Hare Intl
Wed 7/2
5:04 pm-6:01 pm
Nonstop0h 57m
$179
PeoriaChicago
PIA - ORD
PIAORD
Greater Peoria
Fri 5/2
5:25 pm-6:33 pm
Nonstop1h 08m
Chicago O'Hare Intl
Mon 5/5
3:35 pm-4:47 pm
Nonstop1h 12m
$179
EvansvilleChicago
EVV - ORD
EVVORD
Evansville Dress Regional
Wed 4/23
5:44 am-7:30 am
Nonstop1h 46m
Chicago O'Hare Intl
Wed 4/23
1:13 pm-2:31 pm
Nonstop1h 18m
$191
Showing 1-10 of 47 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, August is the cheapest month in which you can book a flight from Illinois to Chicago O'Hare Intl Airport (average of $245). Flying from Illinois to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 April 3, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Chicago O'Hare Intl Airport as you normally would.
Rainfall in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.
Temperature in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
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 April 3, 2025.
Read through reviews of airlines operating flights from Illinois to Chicago, such as Southwest, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
7.6
Crew
8.6
Comfort
8.0
Boarding
8.2
Food
7.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Overall
8.0
Entertainment
7.6
Crew
8.6
Comfort
8.0
Boarding
8.2
Food
7.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Overall
8.0
Entertainment
7.6
Crew
8.6
Comfort
8.0
Boarding
8.2
Food
7.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Overall
8.0
Entertainment
7.6
Crew
8.6
Comfort
8.0
Boarding
8.2
Food
7.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Overall
8.0
Entertainment
7.6
Crew
8.6
Comfort
8.0
Boarding
8.2
Food
7.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
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 Illinois?
Book flights to Illinois if you plan to visit one of these locationsSchaumburg
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Skokie
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Arlington Heights
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Elgin
Glenview
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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 April 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$263 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$342 | FlexibilityNo cancel fee | On-time71% |