$298+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — ORD
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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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 July 1, 2026.
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 July 1, 2026.
This Delta deal was found by Cheapflights users on 6/28. 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.
Sat 7/251:00 pm
MLU
- ORD
1 stop7h 33m
Delta
Tue 7/286:35 am
ORD
- MLU
1 stop5h 44m
Delta
Deal found 6/28![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2012:40 pm
MLU
- ORD
2 stops7h 44m
Delta
Mon 11/2311:30 am
ORD
- MLU
2 stops10h 40m
Delta
Deal found 6/29![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/236:44 pm
MLU
- ORD
1 stop6h 06m
American Airlines
Sun 7/265:00 am
ORD
- MLU
1 stop4h 49m
American Airlines
Deal found 6/30![American Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Wed 7/156:44 pm
MLU
- ORD
1 stop6h 06m
American Airlines
Sun 7/195:00 am
ORD
- MLU
1 stop4h 49m
American Airlines
Deal found 6/29![American Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 6/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:43 pm
MLU
- ORD
1 stop6h 46m
American Airlines
Sun 7/125:00 am
ORD
- MLU
1 stop4h 49m
American Airlines
Deal found 6/26![American Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 6/30. 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.
Fri 10/1612:55 pm
MLU
- ORD
1 stop6h 04m
Delta
Sun 10/182:00 pm
ORD
- MLU
2 stops8h 21m
Delta
Deal found 6/30![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Mon 9/211:44 pm
MLU
- ORD
1 stop5h 52m
American Airlines
Fri 9/253:00 pm
ORD
- MLU
1 stop7h 37m
American Airlines
Deal found 6/27![American Airlines logo]()
$604
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:48 pm
MLU
- ORD
1 stop6h 05m
Delta
Mon 7/207:05 am
ORD
- MLU
2 stops10h 03m
Delta
Deal found 7/1![Delta logo]()
$622
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Fri 7/31:43 pm
MLU
- ORD
1 stop6h 46m
American Airlines
Sun 7/55:00 am
ORD
- MLU
1 stop4h 49m
American Airlines
Deal found 6/27![American Airlines logo]()
$653
Best flights from Monroe to IllinoisDiscover carefully curated flight deals from Monroe to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from Monroe to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:20 pm
MLU
- ORD
1 stop6h 30m
Delta
Mon 11/2311:10 am
ORD
- MLU
1 stop5h 27m
Delta
Deal found 6/29![Delta logo]()
$298
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 7/236:44 pm
MLU
- ORD
1 stop6h 06m
American Airlines
Sun 7/265:00 am
ORD
- MLU
1 stop4h 49m
American Airlines
Deal found 6/27![American Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 6/28. 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.
Sat 7/251:00 pm
MLU
- ORD
1 stop7h 33m
Delta
Tue 7/2811:30 am
ORD
- MLU
2 stops10h 10m
Delta
Deal found 6/28![Delta logo]()
$304
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Wed 7/156:44 pm
MLU
- ORD
1 stop6h 06m
American Airlines
Sun 7/195:00 am
ORD
- MLU
1 stop4h 49m
American Airlines
Deal found 6/29![American Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 6/30. 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.
Fri 10/165:49 pm
MLU
- ORD
1 stop6h 02m
Delta
Sun 10/186:45 am
ORD
- MLU
1 stop5h 30m
Delta
Deal found 6/30![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:48 pm
MLU
- ORD
1 stop6h 05m
Delta
Mon 7/207:05 am
ORD
- MLU
2 stops10h 03m
Delta
Deal found 7/1![Delta logo]()
$622
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Mon 9/216:44 pm
MLU
- ORD
1 stop5h 30m
American Airlines
Fri 9/253:50 pm
ORD
- MLU
2 stops6h 47m
American Airlines
Deal found 6/27![American Airlines logo]()
$918
This Delta deal was found by Cheapflights users on 6/28. 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.
Mon 7/131:00 pm
MLU
- ORD
2 stops8h 52m
Delta
Fri 7/172:07 pm
ORD
- MLU
2 stops7h 33m
Delta
Deal found 6/28![Delta logo]()
$1,067
Last-minute flights from Monroe to IllinoisDiscover last-minute flight deals from Monroe to Illinois. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Monroe to Illinois. Data last updated July 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:43 pm
MLU
- ORD
1 stop6h 46m
American Airlines
Sun 7/125:00 am
ORD
- MLU
1 stop4h 49m
American Airlines
Deal found 6/26![American Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:00 pm
MLU
- ORD
2 stops8h 52m
Delta
Sun 7/126:35 am
ORD
- MLU
1 stop5h 44m
Delta
Deal found 6/26![Delta logo]()
$669
One-way flights from Monroe to IllinoisSearch for one-way flight options from Monroe to Illinois. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
Search for one-way flight options from Monroe to Illinois. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:44 pm
MLU
- ORD
1 stop7h 32m
American Airlines
Deal found 6/28![American Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 6/28. 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.
Fri 8/712:58 pm
MLU
- ORD
2 stops7h 32m
Delta
Deal found 6/28![Delta logo]()
$308
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/96:44 pm
MLU
- ORD
1 stop6h 06m
American Airlines
Deal found 6/30![American Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 6/30. 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 7/71:00 pm
MLU
- ORD
2 stops7h 31m
Delta
Deal found 6/30![Delta logo]()
$458
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:00 pm
MLU
- ORD
2 stops8h 52m
Delta
Deal found 6/29![Delta logo]()
$610
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Mon 7/61:43 pm
MLU
- ORD
2 stops7h 55m
American Airlines
Deal found 6/27![American Airlines logo]()
$776
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 July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $298 (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 July 1, 2026.
Use the filters below to find and compare flights from Monroe to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Fri 11/20
5:20 pm-11:50 pm
1 stop6h 30m
Chicago O'Hare Intl
Mon 11/23
11:10 am-4:37 pm
1 stop5h 27m
$298
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Sat 7/25
1:00 pm-8:33 pm
1 stop7h 33m
Chicago O'Hare Intl
Tue 7/28
11:30 am-9:40 pm
2 stops10h 10m
$304
Quickest round-trip
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Thu 7/23
6:44 pm-12:50 am
1 stop6h 06m
Chicago O'Hare Intl
Sun 7/26
5:00 am-9:49 am
1 stop4h 49m
$333
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Fri 10/16
5:49 pm-11:51 pm
1 stop6h 02m
Chicago O'Hare Intl
Sun 10/18
6:45 am-12:15 pm
1 stop5h 30m
$333
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Wed 7/15
6:44 pm-12:50 am
1 stop6h 06m
Chicago O'Hare Intl
Sun 7/19
5:00 am-9:49 am
1 stop4h 49m
$338
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Thu 7/16
5:48 pm-11:53 pm
1 stop6h 05m
Chicago O'Hare Intl
Mon 7/20
7:05 am-5:08 pm
2 stops10h 03m
$622
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Mon 9/21
6:44 pm-12:14 am
1 stop5h 30m
Chicago O'Hare Intl
Fri 9/25
3:50 pm-10:37 pm
2 stops6h 47m
$918
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Mon 7/13
1:00 pm-9:52 pm
2 stops8h 52m
Chicago O'Hare Intl
Fri 7/17
2:07 pm-9:40 pm
2 stops7h 33m
$1,067
Cheapest one-way
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Fri 8/7
12:58 pm-8:30 pm
2 stops7h 32m
$308
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Mon 11/23
6:02 am-4:37 pm
2 stops10h 35m
$308
Showing 1-10 of 16 resultsSorted by cheapest first
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.
MLU-ORD
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
MLU-USIL
MLU-ORD
No data available for this route at this time. Please check back soon.
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 July 1, 2026.
Read through reviews of airlines operating flights from Monroe to Illinois, such as Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Monroe 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 Monroe to Illinois
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Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
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Monroe and Illinois flights
Browse other Monroe and Illinois flight options. Last updated on July 1, 2026.
Popular flight searches
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Monroe to Illinois flights
Consider these flights traveling from Monroe to Illinois.
Top airline flying from Monroe to Illinois
Discover the top airline that operate flights from Monroe 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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$129 | Average$426 | FlexibilityNo cancel fee | On-timeN/A |