$73+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ORD
may. 5 — may. 121
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 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 abril 30, 2025.
Round-trip from | $80 (Trip.com) |
|---|---|
One-way from | $73 (Southern / Mokulele) |
Good round-trip deal | $148 or less |
Good one-way deal | $82 or less |
Find 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 abril 30, 2025.
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 abril 30, 2025.
This Trip.com deal was found by Cheapflights users on 4/29. 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.
jue. 5/228:25 amORD - BRL
Nonstop1h 40mSouthern / Mokulele
dom. 5/256:00 amBRL - ORD
Nonstop1h 40mSouthern / Mokulele
Deal found 4/29![Southern / Mokulele logo]()
$80
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/228:25 amORD - STL
1 stop11h 45mSouthern / Mokulele
dom. 5/2512:15 pmSTL - ORD
1 stop19h 25mSouthern / Mokulele
Deal found 4/29![Southern / Mokulele logo]()
$140
This United Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 5/274:50 pmORD - DEC
Nonstop1h 03mUnited Airlines
mar. 6/36:55 pmDEC - ORD
Nonstop1h 08mUnited Airlines
Deal found 4/29![United Airlines logo]()
$149
This Frontier deal was found by Cheapflights users on 4/29. 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.
sáb. 6/145:01 amORD - STL
1 stop9h 06mFrontier
sáb. 6/212:52 pmSTL - ORD
1 stop9h 22mFrontier
Deal found 4/29![Frontier logo]()
$164
This American Airlines deal was found by Cheapflights users on 4/29. 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.
dom. 6/18:35 pmORD - MLI
Nonstop1h 10mAmerican Airlines
sáb. 6/76:34 pmMLI - ORD
Nonstop1h 19mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 4/29. 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.
vie. 5/309:45 amORD - PIA
Nonstop1h 00mAmerican Airlines
sáb. 5/3111:20 amPIA - ORD
Nonstop1h 08mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$179
This Orbitz deal was found by Cheapflights users on 4/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/104:15 pmORD - STL
1 stop7h 51mMultiple Airlines
lun. 5/121:00 pmSTL - ORD
1 stop3h 32mMultiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$190
This American Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 5/201:59 pmORD - STL
Nonstop1h 22mAmerican Airlines
sáb. 5/245:00 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$217
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/1210:35 amORD - MLI
Nonstop1h 07mUnited Airlines
jue. 6/195:35 pmMLI - ORD
Nonstop1h 14mUnited Airlines
Deal found 4/27![United Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/217:05 amORD - STL
1 stop7h 30mDelta
mar. 5/276:00 amSTL - ORD
2 stops6h 41mDelta
Deal found 4/28![Delta logo]()
$242
This United Airlines deal was found by Cheapflights users on 4/29. 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.
mié. 5/149:00 amORD - PIA
Nonstop1h 12mUnited Airlines
dom. 5/182:36 pmPIA - ORD
Nonstop1h 08mUnited Airlines
Deal found 4/29![United Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 4/29. 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.
sáb. 5/171:10 pmORD - EVV
Nonstop1h 16mAmerican Airlines
lun. 5/195:50 amEVV - ORD
Nonstop1h 40mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$262
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 abril 30, 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
jue. 5/22
8:25 am-10:05 am
Nonstop1h 40m
Burlington
dom. 5/25
6:00 am-7:40 am
Nonstop1h 40m
$80
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
jue. 5/22
8:25 am-8:10 pm
1 stop11h 45m
Lambert-St Louis
dom. 5/25
12:15 pm-7:40 am
1 stop19h 25m
$140
ChicagoDecatur
ORD - DEC
ORDDEC
Chicago O'Hare Intl
mar. 5/27
4:50 pm-5:53 pm
Nonstop1h 03m
Decatur Arpt
mar. 6/3
6:55 pm-8:03 pm
Nonstop1h 08m
$149
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
sáb. 6/14
5:01 am-2:07 pm
1 stop9h 06m
Lambert-St Louis
sáb. 6/21
2:52 pm-12:14 am
1 stop9h 22m
$164
ChicagoMoline
ORD - MLI
ORDMLI
Chicago O'Hare Intl
dom. 6/1
8:35 pm-9:45 pm
Nonstop1h 10m
Moline Quad-City
sáb. 6/7
6:34 pm-7:53 pm
Nonstop1h 19m
$179
ChicagoPeoria
ORD - PIA
ORDPIA
Chicago O'Hare Intl
vie. 5/30
9:45 am-10:45 am
Nonstop1h 00m
Greater Peoria
sáb. 5/31
11:20 am-12:28 pm
Nonstop1h 08m
$179
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
sáb. 5/10
4:15 pm-12:06 am
1 stop7h 51m
Lambert-St Louis
lun. 5/12
1:00 pm-4:32 pm
1 stop3h 32m
$190
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
mar. 5/20
1:59 pm-3:21 pm
Nonstop1h 22m
Lambert-St Louis
sáb. 5/24
5:00 am-6:19 am
Nonstop1h 19m
$217
ChicagoMoline
ORD - MLI
ORDMLI
Chicago O'Hare Intl
jue. 6/12
10:35 am-11:42 am
Nonstop1h 07m
Moline Quad-City
jue. 6/19
5:35 pm-6:49 pm
Nonstop1h 14m
$239
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
mié. 5/21
7:05 am-2:35 pm
1 stop7h 30m
Lambert-St Louis
mar. 5/27
6:00 am-12:41 pm
2 stops6h 41m
$242
Showing 1-10 of 43 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, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Illinois (average of $245). Flying from Chicago O'Hare Intl Airport to Illinois 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 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 abril 30, 2025.
When flying from Chicago O'Hare Intl Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, 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 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 abril 30, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Chicago to Illinois to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.2
Comfort
8.0
Entertainment
7.6
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Crew
8.6
Boarding
8.2
Comfort
8.0
Entertainment
7.6
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Crew
8.6
Boarding
8.2
Comfort
8.0
Entertainment
7.6
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Crew
8.6
Boarding
8.2
Comfort
8.0
Entertainment
7.6
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Crew
8.6
Boarding
8.2
Comfort
8.0
Entertainment
7.6
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
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.
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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.
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 abril 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$354 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$179 | Average$294 | FlexibilityNo cancel fee | On-time69% |