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Cheap flights from Ontario to Monroe from $462

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Monroe departing on 6/4. 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
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 - 9:48 am
ONT
-
MLU
7h 49m
1 stop
American Airlines Logo
6:48 pm - 11:59 pm
MLU
-
ONT
7h 11m
1 stop
$519American Airlines
Fri, Jun 19 - Fri, Jun 26
American Airlines Logo
7:13 pm - 9:48 am
ONT
-
MLU
12h 35m
2 stops
American Airlines Logo
6:48 pm - 11:59 pm
MLU
-
ONT
7h 11m
1 stop
$525American Airlines
Fri, Jun 19 - Fri, Jun 26
American Airlines Logo
7:13 pm - 9:48 am
ONT
-
MLU
12h 35m
2 stops
American Airlines Logo
5:30 am - 12:04 pm
MLU
-
ONT
8h 34m
2 stops
$683American Airlines
Fri, Jun 19 - Fri, Jun 26

American Airlines flights from Ontario to Monroe

Our best American Airlines deals on Ontario to Monroe flight tickets
American Airlines
Jun 19
ONT11:59 pmOntario
7h 49m
1 stop
MLU9:48 amMonroe Huenefeld
Jun 26
MLU6:48 pmMonroe Huenefeld
7h 11m
1 stop
ONT11:59 pmOntario
$519
American Airlines
Jun 19
ONT7:13 pmOntario
12h 35m
2 stops
MLU9:48 amMonroe Huenefeld
Jun 26
MLU6:48 pmMonroe Huenefeld
7h 11m
1 stop
ONT11:59 pmOntario
$525
American Airlines
Jun 19
ONT7:13 pmOntario
12h 35m
2 stops
MLU9:48 amMonroe Huenefeld
Jun 26
MLU5:30 amMonroe Huenefeld
8h 34m
2 stops
ONT12:04 pmOntario
$683

momondo 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, momondo users made 832,500 searches. Data last updated May 17, 2026.
Use the filters below to find and compare flights from Ontario to Monroe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Fri 6/19

11:59 pm-9:48 am

1 stop7h 49m

Monroe Huenefeld

Fri 6/26

6:48 pm-11:59 pm

1 stop7h 11m

$519

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Fri 6/19

7:13 pm-9:48 am

2 stops12h 35m

Monroe Huenefeld

Fri 6/26

6:48 pm-11:59 pm

1 stop7h 11m

$525

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Fri 6/19

7:13 pm-9:48 am

2 stops12h 35m

Monroe Huenefeld

Fri 6/26

5:30 am-12:04 pm

2 stops8h 34m

$683
Cheapest one-way
Quickest one-way

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Thu 6/4

7:05 am-5:01 pm

1 stop7h 56m

$462

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Thu 6/4

6:00 am-5:01 pm

2 stops9h 01m

$468

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Thu 6/4

7:05 am-5:01 pm

1 stop7h 56m

$487

OntarioMonroe

ONT - MLU

ONTMLU

Ontario

Thu 6/4

6:00 am-5:01 pm

2 stops9h 01m

$648

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

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?

Delta is the most popular carrier operating from Ontario to Monroe Huenefeld

What airlines fly to Monroe?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Monroe from Ontario according to our data. American Airlines is the first choice among our users, with 75% of people opting to fly with this airline when traveling to Monroe. Keep in mind that there are 3 different airlines that fly to Monroe on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Monroe

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

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

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

Fastest flight time

7h 40m

Direct flights

None
The fastest flight from Ontario to Monroe takes 7h 40m
There are no direct flights from Ontario to Monroe. There are no popular flight routes from Ontario to Monroe.
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Frequently asked questions about flying from Ontario to Monroe

  • 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 40m, 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?

Best airlines flying from Ontario to Monroe

Compare and see reviews for airlines that fly from Ontario to Monroe with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $378Free CancellationRating
7.1
11,654 reviews
Search American Airlines flights

Traveling to a place near Monroe?

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

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
Tue 6/16
Tue 6/23
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