$307+ Cheap flights from Monroe (MLU) 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — ORD
Jun 11 — Jun 181
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 May 12, 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 May 12, 2026.
This American Airlines deal was found by Cheapflights users on 5/7. 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 6/86:48 pm
MLU
- ORD
1 stop5h 51m
American Airlines
Sat 6/137:02 am
ORD
- MLU
1 stop6h 10m
American Airlines
Deal found 5/7![American Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 5/11. 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 6/126:48 pm
MLU
- ORD
1 stop5h 51m
American Airlines
Sun 6/145:00 am
ORD
- MLU
1 stop4h 48m
American Airlines
Deal found 5/11![American Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 5/11. 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.
Wed 6/36:09 am
MLU
- ORD
2 stops10h 42m
Delta
Sun 6/75:30 am
ORD
- MLU
1 stop6h 50m
Delta
Deal found 5/11![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 5/10. 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.
Sun 5/316:48 pm
MLU
- ORD
1 stop5h 57m
American Airlines
Sat 6/65:59 am
ORD
- MLU
1 stop7h 13m
American Airlines
Deal found 5/10![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 5/12. 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 6/96:12 am
MLU
- ORD
2 stops10h 50m
Delta
Tue 6/1611:30 am
ORD
- MLU
2 stops10h 13m
Delta
Deal found 5/12![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 5/8. 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.
Wed 5/135:43 pm
MLU
- ORD
1 stop6h 16m
Delta
Sat 5/1612:00 pm
ORD
- MLU
1 stop5h 01m
Delta
Deal found 5/8![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 5/10. 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.
Sun 5/3112:50 pm
MLU
- ORD
1 stop7h 36m
Delta
Sat 6/612:30 pm
ORD
- MLU
2 stops9h 28m
Delta
Deal found 5/10![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 5/9. 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 5/165:43 pm
MLU
- ORD
1 stop6h 16m
Delta
Wed 5/205:30 am
ORD
- MLU
1 stop6h 40m
Delta
Deal found 5/9![Delta logo]()
$428
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 May 12, 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 May 12, 2026.
This American Airlines deal was found by Cheapflights users on 5/7. 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 6/86:48 pm
MLU
- ORD
1 stop5h 51m
American Airlines
Sat 6/137:02 am
ORD
- MLU
1 stop6h 10m
American Airlines
Deal found 5/7![American Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 5/11. 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 6/85:50 pm
MLU
- ORD
1 stop6h 09m
Delta
Sat 6/137:01 am
ORD
- MLU
2 stops10h 09m
Delta
Deal found 5/11![Delta logo]()
$634
This American Airlines deal was found by Cheapflights users on 5/8. 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 6/126:48 pm
MLU
- ORD
1 stop5h 51m
American Airlines
Sun 6/145:00 am
ORD
- MLU
1 stop4h 48m
American Airlines
Deal found 5/8![American Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 5/11. 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 5/255:43 pm
MLU
- ORD
1 stop6h 16m
Delta
Thu 5/285:30 am
ORD
- MLU
1 stop6h 40m
Delta
Deal found 5/11![Delta logo]()
$724
This American Airlines deal was found by Cheapflights users on 5/8. 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 7/151:43 pm
MLU
- ORD
2 stops7h 59m
American Airlines
Sun 7/195:00 am
ORD
- MLU
1 stop4h 49m
American Airlines
Deal found 5/8![American Airlines logo]()
$677
This Delta deal was found by Cheapflights users on 5/11. 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.
Wed 6/36:09 am
MLU
- ORD
2 stops10h 42m
Delta
Sun 6/76:30 am
ORD
- MLU
2 stops10h 40m
Delta
Deal found 5/11![Delta logo]()
$949
This Delta deal was found by Cheapflights users on 5/10. 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 6/126:12 am
MLU
- ORD
2 stops10h 50m
Delta
Sun 6/146:30 am
ORD
- MLU
2 stops10h 40m
Delta
Deal found 5/10![Delta logo]()
$1,429
Last-minute flights from Monroe to IllinoisDiscover last-minute flight deals from Monroe to Illinois. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Monroe to Illinois. Data last updated May 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/8. 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.
Wed 5/135:43 pm
MLU
- ORD
1 stop6h 16m
Delta
Sat 5/1612:00 pm
ORD
- MLU
1 stop5h 01m
Delta
Deal found 5/8![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 5/9. 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 5/165:43 pm
MLU
- ORD
1 stop6h 16m
Delta
Wed 5/205:30 am
ORD
- MLU
1 stop6h 40m
Delta
Deal found 5/9![Delta logo]()
$428
This American Airlines deal was found by Cheapflights users on 5/10. 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.
Sun 5/316:48 pm
MLU
- ORD
1 stop5h 57m
American Airlines
Sat 6/65:59 am
ORD
- MLU
1 stop7h 13m
American Airlines
Deal found 5/10![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 5/10. 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.
Sun 5/3112:50 pm
MLU
- ORD
1 stop7h 36m
Delta
Sat 6/612:30 pm
ORD
- MLU
2 stops9h 28m
Delta
Deal found 5/10![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 5/11. 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.
Wed 6/36:09 am
MLU
- ORD
2 stops10h 42m
Delta
Sun 6/75:30 am
ORD
- MLU
1 stop6h 50m
Delta
Deal found 5/11![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 5/7. 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 6/86:48 pm
MLU
- ORD
1 stop5h 51m
American Airlines
Sat 6/137:02 am
ORD
- MLU
1 stop6h 10m
American Airlines
Deal found 5/7![American Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 5/12. 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 6/96:12 am
MLU
- ORD
2 stops10h 50m
Delta
Tue 6/1611:30 am
ORD
- MLU
2 stops10h 13m
Delta
Deal found 5/12![Delta logo]()
$383
This American Airlines deal was found by Cheapflights users on 5/11. 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 6/126:48 pm
MLU
- ORD
1 stop5h 51m
American Airlines
Sun 6/145:00 am
ORD
- MLU
1 stop4h 48m
American Airlines
Deal found 5/11![American Airlines logo]()
$328
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 May 12, 2026.
Search for one-way flight options from Monroe to Illinois. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This American Airlines deal was found by Cheapflights users on 5/7. 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 7/131:43 pm
MLU
- ORD
1 stop6h 46m
American Airlines
Deal found 5/7![American Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 5/7. 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
Deal found 5/7![Delta logo]()
$323
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Sat 5/2310:18 am
MLU
- ORD
1 stop7h 53m
American Airlines
Deal found 5/11![American Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 5/11. 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 5/236:09 am
MLU
- ORD
2 stops8h 48m
Delta
Deal found 5/11![Delta logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Sat 5/235:43 pm
MLU
- ORD
3 stops44h 52m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,316
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 May 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $318 (American Airlines) |
One-way from | $307 (American Airlines) |
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 May 12, 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
Mon 6/8
6:48 pm-12:39 am
1 stop5h 51m
Chicago O'Hare Intl
Sat 6/13
7:02 am-1:12 pm
1 stop6h 10m
$318
Quickest round-trip
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Fri 6/12
6:48 pm-12:39 am
1 stop5h 51m
Chicago O'Hare Intl
Sun 6/14
5:00 am-9:48 am
1 stop4h 48m
$318
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Mon 6/8
5:50 pm-11:59 pm
1 stop6h 09m
Chicago O'Hare Intl
Sat 6/13
7:01 am-5:10 pm
2 stops10h 09m
$634
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Wed 7/15
1:43 pm-9:42 pm
2 stops7h 59m
Chicago O'Hare Intl
Sun 7/19
5:00 am-9:49 am
1 stop4h 49m
$677
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Mon 5/25
5:43 pm-11:59 pm
1 stop6h 16m
Chicago O'Hare Intl
Thu 5/28
5:30 am-12:10 pm
1 stop6h 40m
$724
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Wed 6/3
6:09 am-4:51 pm
2 stops10h 42m
Chicago O'Hare Intl
Sun 6/7
6:30 am-5:10 pm
2 stops10h 40m
$949
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Fri 6/12
6:12 am-5:02 pm
2 stops10h 50m
Chicago O'Hare Intl
Sun 6/14
6:30 am-5:10 pm
2 stops10h 40m
$1,429
Cheapest one-way
Quickest one-way
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Mon 7/13
1:43 pm-8:29 pm
1 stop6h 46m
$307
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Mon 7/13
1:00 pm-9:52 pm
2 stops8h 52m
$323
MonroeChicago
MLU - ORD
MLUORD
Monroe Huenefeld
Sat 5/23
6:09 am-2:57 pm
2 stops8h 48m
$458
Showing 1-10 of 11 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 May 12, 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
Comfort
7.8
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
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 May 12, 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 May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$309 | FlexibilityNo cancel fee | On-timeN/A |