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Cheap flights from Ontario to Monroe from $398

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Monroe departing on 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ontario to Monroe

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:59 pm - 9:40 am
ONT
-
MLU
7h 41m
1 stop
American Airlines Logo
6:39 pm - 10:36 pm
MLU
-
ONT
5h 57m
1 stop
$398American Airlines
Wed, Apr 15 - Wed, Apr 22
American Airlines Logo
11:59 pm - 9:40 am
ONT
-
MLU
7h 41m
1 stop
American Airlines Logo
10:10 am - 6:30 pm
MLU
-
ONT
10h 20m
2 stops
$404American Airlines
Wed, Apr 15 - Wed, Apr 22
American Airlines Logo
12:19 pm - 10:33 pm
ONT
-
MLU
8h 14m
2 stops
American Airlines Logo
10:10 am - 6:30 pm
MLU
-
ONT
10h 20m
2 stops
$465American Airlines
Wed, Apr 15 - Wed, Apr 22

Delta flights from Ontario to Monroe, Louisiana

Our best Delta deals on Ontario to Monroe, Louisiana flight tickets
Delta
Mar 19
ONT12:57 pmOntario
7h 21m
1 stop
MLU10:18 pmMonroe Huenefeld
Apr 16
MLU1:04 pmMonroe Huenefeld
9h 56m
1 stop
ONT9:00 pmOntario
$1,759
Delta
Mar 19
ONT12:57 pmOntario
7h 21m
1 stop
MLU10:18 pmMonroe Huenefeld
Apr 16
MLU1:04 pmMonroe Huenefeld
12h 40m
2 stops
ONT11:44 pmOntario
$2,726

American Airlines flights from Ontario to Monroe, Louisiana

Our best American Airlines deals on Ontario to Monroe, Louisiana flight tickets
American Airlines
Apr 15
ONT11:59 pmOntario
7h 41m
1 stop
MLU9:40 amMonroe Huenefeld
Apr 22
MLU6:39 pmMonroe Huenefeld
5h 57m
1 stop
ONT10:36 pmOntario
$398
American Airlines
Apr 15
ONT11:59 pmOntario
7h 41m
1 stop
MLU9:40 amMonroe Huenefeld
Apr 22
MLU10:10 amMonroe Huenefeld
10h 20m
2 stops
ONT6:30 pmOntario
$404
American Airlines
Apr 15
ONT12:19 pmOntario
8h 14m
2 stops
MLU10:33 pmMonroe Huenefeld
Apr 22
MLU10:10 amMonroe Huenefeld
10h 20m
2 stops
ONT6:30 pmOntario
$465

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Monroe, Louisiana 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, momondo users made 832,500 searches. Data last updated March 16, 2026.
Use the filters below to find and compare flights from Ontario to Monroe, Louisiana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Wed 4/15

11:59 pm-9:40 am

1 stop7h 41m

Monroe Huenefeld

Wed 4/22

6:39 pm-10:36 pm

1 stop5h 57m

$398

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Wed 4/15

11:59 pm-9:40 am

1 stop7h 41m

Monroe Huenefeld

Wed 4/22

10:10 am-6:30 pm

2 stops10h 20m

$404

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Wed 4/15

12:19 pm-10:33 pm

2 stops8h 14m

Monroe Huenefeld

Wed 4/22

10:10 am-6:30 pm

2 stops10h 20m

$465
Cheapest one-way
Quickest one-way

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Sat 3/21

2:39 pm-10:17 pm

1 stop5h 38m

$422

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Sat 3/21

2:39 pm-10:17 pm

1 stop5h 38m

$447

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Sat 3/21

12:57 pm-10:18 pm

1 stop7h 21m

$452

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Sat 3/21

6:15 am-5:56 pm

2 stops9h 41m

$453

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Sat 3/21

6:15 am-5:56 pm

2 stops9h 41m

$480

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Sat 3/21

2:39 pm-10:17 pm

1 stop5h 38m

$504

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Monroe from

How to get the cheapest flight ticket from Ontario to Monroe, Louisiana

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Monroe Huenefeld?

American Airlines and Delta are the most popular carriers operating from Ontario to Monroe Huenefeld

What airlines fly to Monroe, Louisiana?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Monroe, Louisiana from Ontario according to our data. American Airlines is the first choice among our users, with 79% of people opting to fly with this airline when traveling to Monroe, Louisiana. Keep in mind that there are 3 different airlines that fly to Monroe, Louisiana on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Monroe, Louisiana

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Monroe, Louisiana according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Monroe, Louisiana (ONT to MLU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Monroe, Louisiana

Fastest flight time

7h 21m

Direct flights

None
The fastest flight from Ontario to Monroe, Louisiana takes 7h 21m
There are no direct flights from Ontario to Monroe, Louisiana. There are no popular flight routes from Ontario to Monroe, Louisiana.
Search flight deals

  • How far is Ontario to Monroe Huenefeld by plane?

    Ontario and Monroe Huenefeld are 1473.7 mi apart from one another. Flights usually cover this in 7h 21m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ontario Airport to Monroe Huenefeld Airport?

    Prices for flights from Ontario Airport to Monroe Huenefeld Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Monroe Huenefeld Airport?

  • How old do you have to be to fly from Ontario Airport to Monroe Huenefeld Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Monroe Huenefeld Airport.

  • What documentation or ID do you need to fly to Monroe Huenefeld Airport?

    The travel and health documents required for your trip to Monroe Huenefeld Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Monroe Huenefeld Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Monroe, Louisiana?

Best airlines flying from Ontario to Monroe, Louisiana

Compare and see reviews for airlines that fly from Ontario to Monroe, Louisiana with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $378Free CancellationRating
7.1
11,467 reviews
Search American Airlines flights

Traveling to a place near Monroe?

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

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Monroe?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Monroe. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Monroe with flexible booking policies on momondo?

momondo does allow users to show only those flights to Monroe from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Monroe?

Once you have performed a search for Ontario to Monroe flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Monroe right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Monroe, momondo offers a useful price alert feature which will track prices for flights to Monroe from Ontario and alert you when they change.

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1 adult
Wed 4/15
Wed 4/22
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