$338+ Cheap flights from Ontario to Monroe, LA (ONT - MLU)
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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MLU
Jul 6 — Jul 131
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 Ontario to Monroe
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Monroe (MLU). 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 July 1, 2025.
Round-trip from | $338 (American Airlines) |
|---|---|
Popular in | July |
Cheapest in | September |
Average price | $818 |
Find flight deals from Ontario to Monroe
Cheapest flights from Ontario to MonroeExplore the most affordable flight options available from Ontario to Monroe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.
Explore the most affordable flight options available from Ontario to Monroe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.
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 7/2412:59 amONT - MLU
1 stop6h 36mAmerican Airlines
Mon 7/286:24 pmMLU - ONT
1 stop6h 33mAmerican Airlines
Deal found 6/30![American Airlines logo]()
$338
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Monroe 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, 2025.
Use the filters below to find and compare flights from Ontario to Monroe that are best for you.
Fly from
Ontario
Fly to
Monroe
Route
Depart
Return
Price
OntarioMonroe
ONT - MLU
ONTMLU
Ontario
Thu 7/24
12:59 am-9:35 am
1 stop6h 36m
Monroe Huenefeld
Mon 7/28
6:24 pm-10:57 pm
1 stop6h 33m
$338
Best time to book a flight from Ontario to Monroe
Have a flexible travel schedule? Discover the best time to fly to Monroe from Ontario 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 Ontario to Monroe
What is the cheapest month to book a flight from Ontario to Monroe, Louisiana?
Currently, February is the cheapest month in which you can book a flight from Ontario to Monroe, Louisiana (average of $363). Flying from Ontario to Monroe, Louisiana in December is currently the most expensive (average of $491). 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.
Reviews of airlines servicing Monroe
Get insights into the airlines that provide service to Monroe. 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 Monroe. Reviews last updated July 1, 2025.
Get a feel of what it's like to fly with American Airlines from Ontario to Monroe by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.2
Comfort
7.2
Crew
8.0
Boarding
7.5
Entertainment
6.9
Food
6.5
Reviews
1 / 20
2.0
MediocreAndrew,May 2025
LAX - MIA
Overall
7.2
Comfort
7.2
Crew
8.0
Boarding
7.5
Entertainment
6.9
Food
6.5
Reviews
1 / 20
2.0
MediocreAndrew,May 2025
LAX - MIA
Related info for your journey
Find useful and relevant information for your journey from Ontario to Monroe. 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 Ontario?
Book flights to Ontario if you plan to visit one of these locationsWest Monroe
Ruston
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Alternative routes for Ontario to Monroe
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Ontario to Monroe
Discover the top airline that operate flights from Ontario to Monroe. 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, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$273 | Average$438 | FlexibilityNo cancel fee | On-time71% |