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Mendoza

$677+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MDZ
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
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 January 22, 2026.

This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3111:59 pm
ONT
-
MDZ
3 stops25h 41m
Multiple Airlines
Fri 2/209:00 pm
MDZ
-
ONT
3 stops28h 55m
Multiple Airlines
Deal found 1/20$1,776
This Delta deal was found by Cheapflights users on 1/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/210:30 pm
ONT
-
MDZ
2 stops56h 25m
Delta
Thu 2/1912:55 pm
MDZ
-
ONT
2 stops37h 10m
Delta
Deal found 1/22$2,518
This KAYAK deal was found by Cheapflights users on 1/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/412:41 pm
ONT
-
MDZ
2 stops17h 27m
LATAM Airlines
Tue 2/247:45 pm
MDZ
-
ONT
2 stops21h 17m
LATAM Airlines
Deal found 1/20$4,953

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 January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$2,518
(Delta)

One-way from

$677
(Ovago)

Popular in

June

Cheapest in

April

Average price

$1,269
Provider with most accurate pricing for Los Angeles-Mendoza El Plumerillo flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Mendoza El Plumerillo flights.
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From Ontario to Mendoza El Plumerillo
Search Deals
One-way flight from Ontario to Mendoza El Plumerillo
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Highest demand for flights based on searches. 7% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 22, 2026.
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

Mon 2/2

10:30 pm-11:55 am

2 stops56h 25m

Mendoza El Plumerillo

Thu 2/19

12:55 pm-9:05 pm

2 stops37h 10m

$2,518

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Wed 2/4

12:41 pm-11:08 am

2 stops17h 27m

Mendoza El Plumerillo

Tue 2/24

7:45 pm-12:02 pm

2 stops21h 17m

$4,953

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Mon 4/6

6:05 am-1:30 pm

2 stops27h 25m

$677

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Sat 1/31

6:32 pm-12:09 am

2 stops24h 37m

$885

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Thu 1/29

10:30 pm-6:40 am

2 stops27h 10m

$1,048

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Mon 2/2

6:00 am-1:30 pm

2 stops26h 30m

$1,048

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Sun 2/1

11:59 pm-1:30 pm

2 stops32h 31m

$1,071

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Fri 1/30

11:59 pm-1:30 pm

2 stops32h 31m

$1,172

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Fri 2/13

6:37 pm-12:09 am

2 stops24h 32m

$2,872

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Tue 4/7

12:57 pm-5:00 pm

2 stops24h 03m

$3,589

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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 $1,148). 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 17h 27m. Delta provides one of the quickest options available for as low as $4,953. Airlines will cover a distance of 5599 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $1,148). 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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