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$2,115+ Cheap flights from Ontario (ONT) to Mendoza (MDZ)

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MDZ
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Ontario to Mendoza

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Mendoza (MDZ). 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 septiembre 11, 2025.

Round-trip from

$2,115
(American Airlines)

Popular in

April

Cheapest in

October

Average price

$1,164
From Ontario to Mendoza El Plumerillo
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Highest demand for flights based on searches. 4% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Mendoza

Best flights from Ontario to Mendoza
Discover carefully curated flight deals from Ontario to Mendoza that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated septiembre 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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.
sáb. 1/36:10 amONT - MDZ
2 stops26h 20mAmerican Airlines
lun. 1/126:50 pmMDZ - ONT
2 stops23h 58mAmerican Airlines
Deal found 9/10$2,115

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Mendoza 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 septiembre 11, 2025.
Use the filters below to find and compare flights from Ontario to Mendoza that are best for you.

Fly from

Ontario

Fly to

Mendoza

Route

Depart

Return

Price

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

sáb. 1/3

6:10 am-1:30 pm

2 stops26h 20m

Mendoza El Plumerillo

lun. 1/12

6:50 pm-1:48 pm

2 stops23h 58m

$2,115

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

lun. 11/3

6:38 pm-12:14 am

2 stops24h 36m

$2,861

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

sáb. 11/29

6:38 pm-12:14 am

2 stops24h 36m

$2,861

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Ontario to Mendoza

Have a flexible travel schedule? Discover the best time to fly to Mendoza 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 Mendoza

What is the cheapest month to book a flight from Ontario to Mendoza?

Currently, May is the cheapest month in which you can book a flight from Ontario to Mendoza (average of $904). Flying from Ontario to Mendoza in December is currently the most expensive (average of $1,379). 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Mendoza. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Mendoza?

    A quick flight from Ontario to Mendoza can take about 26h 20m. American Airlines provides one of the quickest options available for as low as $2,115. Airlines will cover a distance of 5599 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Mendoza 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 Mendoza?

    Currently, May is the cheapest month in which you can book a flight from Ontario to Mendoza (average of $904). Flying from Ontario to Mendoza in December is currently the most expensive (average of $1,379). 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

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