Ontario

$592+ Cheap flights from Monroe (MLU) to Ontario

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — YYZ
Oct 16 — Oct 231
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Cheap flight deals from Monroe to Ontario

Keep the following information in mind while searching for Monroe to Ontario flight deals. Data was last updated September 16, 2025.

Round-trip from

$592
(American Airlines)
From Monroe Huenefeld to Ontario

Find flight deals from Monroe to Ontario

Cheapest flights from Monroe to Ontario
Explore the most affordable flight options available from Monroe to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. 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 10/2110:08 amMLU - YYZ
2 stops11h 54mAmerican Airlines
Sat 10/257:15 amYYZ - MLU
2 stops11h 42mAmerican Airlines
Deal found 9/16$592
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:53 pmMLU - YYZ
1 stop15h 49mWestJet
Sat 10/257:45 amYYZ - MLU
1 stop10h 28mWestJet
Deal found 9/16$764
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/115:53 pmMLU - YYZ
1 stop17h 17mWestJet
Tue 10/1411:52 amYYZ - MLU
1 stop11h 15mWestJet
Deal found 9/16$812
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 10/115:51 amMLU - YYZ
1 stop9h 34mAmerican Airlines
Tue 10/143:49 pmYYZ - MLU
2 stops7h 57mAmerican Airlines
Deal found 9/16$826

Cheapflights Fare Finder

 
Customize your flight search to find flights from Monroe to Ontario 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 September 16, 2025.
Use the filters below to find and compare flights from Monroe to Ontario that are best for you.

Fly from

Monroe

Fly to

Ontario

Route

Depart

Return

Price

MonroeToronto

MLU - YYZ

MLUYYZ

Monroe Huenefeld

Tue 10/21

10:08 am-11:02 pm

2 stops11h 54m

Toronto Pearson Intl

Sat 10/25

7:15 am-5:57 pm

2 stops11h 42m

$592

MonroeToronto

MLU - YYZ

MLUYYZ

Monroe Huenefeld

Tue 3/10

6:02 am-11:23 pm

2 stops16h 21m

Toronto Pearson Intl

Sat 3/14

6:00 pm-10:14 pm

1 stop5h 14m

$714

MonroeToronto

MLU - YYZ

MLUYYZ

Monroe Huenefeld

Tue 10/21

5:53 pm-10:42 am

1 stop15h 49m

Toronto Pearson Intl

Sat 10/25

7:45 am-5:13 pm

1 stop10h 28m

$764

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Monroe to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Monroe 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 Monroe to Ontario
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Monroe to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Monroe to Ontario?

    Located just 4.4 mi from the city center, Monroe Huenefeld (MLU) is the airport most travelers will use when flying to Ontario from Monroe.

  • How long is the flight from Monroe to Region of Ontario?

    Departing from Monroe to Region of Ontario will take you 11h 54m. Airlines will cover a distance of 1023 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Monroe to Ontario 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 Monroe to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Monroe to Region of Ontario (average of $243). Flying from Monroe to Region of Ontario in August is currently the most expensive (average of $348). 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.

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