$278+ Cheap flights from Monroe (MLU) to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — ORD
Jan 15 — Jan 221
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
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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 Monroe to Illinois
Cheapest flights from Monroe to IllinoisExplore the most affordable flight options available from Monroe to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.
Explore the most affordable flight options available from Monroe to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Mon 12/296:02 pmMLU - ORD
1 stop5h 13mAmerican Airlines
Fri 1/22:50 pmORD - MLU
1 stop7h 21mAmerican Airlines
Deal found 12/13![American Airlines logo]()
$474
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/305:30 amMLU - ORD
1 stop5h 24mAmerican Airlines
Sat 1/32:50 pmORD - MLU
1 stop7h 22mAmerican Airlines
Deal found 12/15![American Airlines logo]()
$552
This Delta deal was found by Cheapflights users on 12/13. 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.
Mon 12/294:14 pmMLU - ORD
1 stop5h 00mDelta
Fri 1/29:41 amORD - MLU
2 stops10h 37mDelta
Deal found 12/13![Delta logo]()
$574
This Delta deal was found by Cheapflights users on 12/15. 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.
Tue 12/306:07 amMLU - ORD
2 stops11h 15mDelta
Sat 1/37:00 amORD - MLU
2 stops8h 34mDelta
Deal found 12/15![Delta logo]()
$1,064
Find flight deals from Monroe to Illinois
Keep the following information in mind while searching for Monroe to Illinois flight deals. Data was last updated December 16, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $278 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Monroe 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 December 16, 2025.
Use the filters below to find and compare flights from Monroe to Illinois that are best for you.
Fly from
Monroe
Fly to
Illinois
Route
Depart
Return
Price
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Wed 1/14
12:56 pm-7:35 pm
1 stop6h 39m
Chicago O'Hare Intl
Wed 1/21
5:30 am-12:16 pm
1 stop6h 46m
$278
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Mon 12/29
6:02 pm-11:15 pm
1 stop5h 13m
Chicago O'Hare Intl
Fri 1/2
2:50 pm-10:11 pm
1 stop7h 21m
$474
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Mon 1/19
2:21 pm-7:29 pm
1 stop5h 08m
Chicago O'Hare Intl
Wed 1/21
8:10 am-1:51 pm
1 stop5h 41m
$506
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Tue 12/30
5:30 am-10:54 am
1 stop5h 24m
Chicago O'Hare Intl
Sat 1/3
2:50 pm-10:12 pm
1 stop7h 22m
$552
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Mon 1/19
6:15 am-1:40 pm
1 stop7h 25m
Chicago O'Hare Intl
Wed 1/21
10:35 am-10:21 pm
2 stops11h 46m
$553
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Mon 12/29
4:14 pm-9:14 pm
1 stop5h 00m
Chicago O'Hare Intl
Fri 1/2
9:41 am-8:18 pm
2 stops10h 37m
$574
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Tue 12/30
6:07 am-5:22 pm
2 stops11h 15m
Chicago O'Hare Intl
Sat 1/3
7:00 am-3:34 pm
2 stops8h 34m
$1,064
Best time to book a flight from Monroe to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Monroe 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 Monroe to Illinois
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