$328+ Cheap flights from Monroe (MLU) to O'Hare Intl (ORD)
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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — ORD
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from Monroe to O'Hare Intl with Cheapflights
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 Monroe to O'Hare Intl
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Cheapest flights from Monroe to O'Hare IntlExplore the most affordable flight options available from Monroe to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
Explore the most affordable flight options available from Monroe to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/16:44 pm -
1 stop5h 30m
Sat 10/103:50 pm -
1 stop6h 46m
Deal found 9/3![American Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 9/5. 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 10/15:41 pm -
1 stop6h 18m
Thu 10/88:05 am -
1 stop4h 15m
Deal found 9/5![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 9/7. 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.
Tue 10/61:05 pm -
2 stops8h 22m
Tue 10/276:30 am -
1 stop5h 50m
Deal found 9/7![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 9/3. 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 9/185:41 pm -
1 stop6h 18m
Tue 9/223:40 pm -
1 stop6h 37m
Deal found 9/3![Delta logo]()
$368
This American Airlines deal was found by Cheapflights users on 9/5. 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 11/206:38 pm -
1 stop5h 42m
Mon 11/233:51 pm -
1 stop6h 44m
Deal found 9/5![American Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/151:44 pm -
1 stop5h 52m
Mon 9/215:00 am -
1 stop4h 44m
Deal found 9/5![American Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 9/5. 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 9/1512:53 pm -
2 stops7h 37m
Mon 9/213:40 pm -
1 stop6h 37m
Deal found 9/5![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 9/3. 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 9/105:48 pm -
1 stop6h 11m
Sat 9/123:40 pm -
1 stop6h 37m
Deal found 9/3![Delta logo]()
$438
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/46:44 pm -
1 stop5h 34m
Tue 9/85:00 am -
1 stop4h 47m
Deal found 9/3![American Airlines logo]()
$558
Best flights from Monroe to O'Hare IntlDiscover carefully curated flight deals from Monroe to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Monroe to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/21:44 pm -
1 stop6h 46m
Fri 10/95:00 am -
1 stop4h 44m
Deal found 9/4![American Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 9/5. 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 10/15:41 pm -
1 stop6h 18m
Thu 10/88:05 am -
1 stop4h 15m
Deal found 9/5![Delta logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/16:44 pm -
1 stop5h 30m
Sat 10/103:50 pm -
1 stop6h 46m
Deal found 9/3![American Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 9/7. 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.
Tue 10/61:05 pm -
2 stops8h 22m
Tue 10/276:30 am -
1 stop5h 50m
Deal found 9/7![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/66:48 pm -
1 stop5h 11m
Tue 10/273:50 pm -
1 stop6h 46m
Deal found 9/7![American Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 9/5. 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 9/1512:53 pm -
2 stops7h 37m
Mon 9/213:40 pm -
1 stop6h 37m
Deal found 9/5![Delta logo]()
$429
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/151:44 pm -
1 stop5h 52m
Mon 9/215:00 am -
1 stop4h 44m
Deal found 9/5![American Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 9/3. 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 9/105:48 pm -
1 stop6h 11m
Sat 9/123:40 pm -
1 stop6h 37m
Deal found 9/3![Delta logo]()
$438
This Delta deal was found by Cheapflights users on 9/4. 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 10/25:41 pm -
1 stop6h 18m
Fri 10/91:26 pm -
2 stops8h 43m
Deal found 9/4![Delta logo]()
$607
Last-minute flights from Monroe to O'Hare IntlDiscover last-minute flight deals from Monroe to O'Hare Intl. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Monroe to O'Hare Intl. Data last updated September 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/46:44 pm -
1 stop5h 34m
Tue 9/85:00 am -
1 stop4h 47m
Deal found 9/3![American Airlines logo]()
$558
This Delta deal was found by Cheapflights users on 9/3. 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 9/105:48 pm -
1 stop6h 11m
Sat 9/123:40 pm -
1 stop6h 37m
Deal found 9/3![Delta logo]()
$438
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/151:44 pm -
1 stop5h 52m
Mon 9/215:00 am -
1 stop4h 44m
Deal found 9/5![American Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 9/5. 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 9/1512:53 pm -
2 stops7h 37m
Mon 9/213:40 pm -
1 stop6h 37m
Deal found 9/5![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 9/3. 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 9/185:41 pm -
1 stop6h 18m
Tue 9/223:40 pm -
1 stop6h 37m
Deal found 9/3![Delta logo]()
$368
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/16:44 pm -
1 stop5h 30m
Sat 10/103:50 pm -
1 stop6h 46m
Deal found 9/3![American Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 9/5. 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 10/15:41 pm -
1 stop6h 18m
Thu 10/88:05 am -
1 stop4h 15m
Deal found 9/5![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 9/7. 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.
Tue 10/61:05 pm -
2 stops8h 22m
Tue 10/276:30 am -
1 stop5h 50m
Deal found 9/7![Delta logo]()
$354
One-way flights from Monroe to O'Hare IntlSearch for one-way flight options from Monroe to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from Monroe to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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 9/2012:53 pm -
1 stop5h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 9/3. 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 9/305:42 pm -
1 stop6h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$497
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/301:44 pm -
2 stops7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$762
Find flight deals from Monroe to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Monroe (MLU) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $328 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Monroe 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 7,457,451 searches. Data last updated September 8, 2026.
Use the filters below to find and compare flights from Monroe to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MonroeChicago
MLU Monroe Huenefeld - ORD Chicago O'Hare Intl
MLUORD
Monroe Huenefeld
Fri 10/2
1:44 pm-8:30 pm
1 stop6h 46m
Chicago O'Hare Intl
Fri 10/9
5:00 am-9:44 am
1 stop4h 44m
$328
MonroeChicago
MLU Monroe Huenefeld - ORD Chicago O'Hare Intl
MLUORD
Monroe Huenefeld
Thu 10/1
6:44 pm-12:14 am
1 stop5h 30m
Chicago O'Hare Intl
Sat 10/10
3:50 pm-10:36 pm
1 stop6h 46m
$328
MonroeChicago
MLU Monroe Huenefeld - ORD Chicago O'Hare Intl
MLUORD
Monroe Huenefeld
Tue 10/6
6:48 pm-11:59 pm
1 stop5h 11m
Chicago O'Hare Intl
Tue 10/27
3:50 pm-10:36 pm
1 stop6h 46m
$328
MonroeChicago
MLU Monroe Huenefeld - ORD Chicago O'Hare Intl
MLUORD
Monroe Huenefeld
Thu 10/1
5:41 pm-11:59 pm
1 stop6h 18m
Chicago O'Hare Intl
Thu 10/8
8:05 am-12:20 pm
1 stop4h 15m
$348
MonroeChicago
MLU Monroe Huenefeld - ORD Chicago O'Hare Intl
MLUORD
Monroe Huenefeld
Tue 10/6
1:05 pm-9:27 pm
2 stops8h 22m
Chicago O'Hare Intl
Tue 10/27
6:30 am-12:20 pm
1 stop5h 50m
$354
Quickest round-trip
MonroeChicago
MLU Monroe Huenefeld - ORD Chicago O'Hare Intl
MLUORD
Monroe Huenefeld
Sun 9/20
12:53 pm-6:45 pm
1 stop5h 52m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$367
MonroeChicago
MLU Monroe Huenefeld - ORD Chicago O'Hare Intl
MLUORD
Monroe Huenefeld
Sun 9/20
1:44 pm-9:09 pm
1 stop7h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$367
MonroeChicago
MLU Monroe Huenefeld - ORD Chicago O'Hare Intl
MLUORD
Monroe Huenefeld
Tue 9/15
1:44 pm-7:36 pm
1 stop5h 52m
Chicago O'Hare Intl
Mon 9/21
5:00 am-9:44 am
1 stop4h 44m
$403
MonroeChicago
MLU Monroe Huenefeld - ORD Chicago O'Hare Intl
MLUORD
Monroe Huenefeld
Tue 9/15
12:53 pm-8:30 pm
2 stops7h 37m
Chicago O'Hare Intl
Mon 9/21
3:40 pm-10:17 pm
1 stop6h 37m
$429
MonroeChicago
MLU Monroe Huenefeld - ORD Chicago O'Hare Intl
MLUORD
Monroe Huenefeld
Thu 9/10
5:48 pm-11:59 pm
1 stop6h 11m
Chicago O'Hare Intl
Sat 9/12
3:40 pm-10:17 pm
1 stop6h 37m
$438
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Monroe to O'Hare Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Monroe to O'Hare Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Monroe-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Monroe-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Monroe-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Monroe-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Monroe-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Monroe to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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.
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 September 8, 2026.
Peruse reviews from past customers who have flown with Delta from Monroe to Chicago O'Hare Intl Airport to help guide your decision. 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
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Monroe 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 Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Naperville
Glenview
Lake Geneva
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Libertyville
Des Plaines
Orland Park
Hoffman Estates
Aurora
Beloit
Rockford
South Holland
Elgin
Racine
Skokie
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Monroe and O'Hare Intl flights
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Top airline flying from Monroe to O'Hare Intl
Discover the top airline that operate flights from Monroe 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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$129 | Average$538 | FlexibilityNo cancel fee | On-timeN/A |