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Mendoza

$664+ Cheap flights from Ontario (ONT) to Mendoza (MDZ)

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MDZ
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Ontario to Mendoza

Cheapest flights from Ontario to Mendoza
Explore the most affordable flight options available from Ontario to Mendoza. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This LATAM Airlines deal was found by Cheapflights users on 12/10. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:05 amONT - MDZ
2 stops21h 15mLATAM Airlines
Mon 1/127:45 pmMDZ - ONT
2 stops20h 46mLATAM Airlines
Deal found 12/10$11,379

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,267
(Mytrip)

One-way from

$664
(Mytrip)

Popular in

June

Cheapest in

April

Average price

$948
Provider with most accurate pricing for Ontario-Mendoza El Plumerillo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Mendoza El Plumerillo flights.
Search Deals
From Ontario to Mendoza El Plumerillo
Search Deals
One-way flight from Ontario to Mendoza El Plumerillo
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 12, 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

Wed 12/31

12:42 am-2:50 pm

3 stops33h 08m

Mendoza El Plumerillo

Wed 1/28

9:00 pm-8:55 pm

3 stops28h 55m

$1,267

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Fri 1/16

11:02 pm-9:20 am

3 stops29h 18m

Mendoza El Plumerillo

Mon 1/19

9:00 pm-8:55 pm

3 stops28h 55m

$1,583

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Thu 1/1

7:05 am-10:40 am

2 stops22h 35m

Mendoza El Plumerillo

Wed 1/28

12:40 pm-11:31 am

2 stops27h 51m

$1,895

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Wed 12/24

11:59 pm-6:40 am

3 stops25h 41m

$664

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Wed 12/24

7:05 am-11:55 am

2 stops23h 50m

$1,614

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Wed 12/17

6:41 pm-12:14 am

2 stops24h 33m

$2,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Ontario to Mendoza

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Mendoza in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Mendoza flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Mendoza flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Mendoza flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Mendoza flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Mendoza flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, December is the cheapest month in which you can book a flight from Ontario to Mendoza (average of $383). Flying from Ontario to Mendoza in June is currently the most expensive (average of $1,151). 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 22h 35m. LATAM Airlines provides one of the quickest options available for as low as $1,895. 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, December is the cheapest month in which you can book a flight from Ontario to Mendoza (average of $383). Flying from Ontario to Mendoza in June is currently the most expensive (average of $1,151). 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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