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Monroe

$209+ Cheap flights from Ontario to Monroe, LA (ONT - MLU)

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MLU
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 3, 2025.

Round-trip from

$338
(American Airlines)

One-way from

$209
(Delta)

Popular in

July

Cheapest in

September

Average price

$818
From Ontario to Monroe Huenefeld
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One-way flight from Ontario to Monroe Huenefeld
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Ontario to Monroe

Cheapest flights from Ontario to Monroe
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 3, 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$338
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.
Wed 7/212:07 pmONT - MLU
1 stop8h 05mDelta
Wed 7/95:44 pmMLU - ONT
1 stop6h 43mDelta
Deal found 7/1$393

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 3, 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

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Wed 7/9

11:50 am-9:35 pm

1 stop7h 45m

$209

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Tue 7/8

12:55 pm-11:56 pm

2 stops9h 01m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 3, 2025.
Get a feel of what it's like to fly with Delta and 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.
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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.

  • What is the cheapest airline to fly from Ontario to Monroe, Louisiana round-trip?

    Cheapflights users have booked flights from Ontario to Monroe, Louisiana round-trip from $338.

  • Can I find deals for flights from Ontario to Monroe that include hotel bookings?

    Yes. In addition to deals on Ontario to Monroe flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Monroe?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Monroe.

  • Can I find deals for business class flights from Ontario to Monroe?

    Yes. Cheapflights offers flight deals from Ontario to Monroe by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
West Monroe
Ruston

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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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$273Average$438FlexibilityNo cancel feeOn-time71%

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