HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ministro Pistarini

$481+ Cheap flights from Ontario (ONT) to Ministro Pistarini (EZE)

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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EZE
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Ministro Pistarini with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Ministro Pistarini

Cheapest flights from Ontario to Ministro Pistarini
Explore the most affordable flight options available from Ontario to Ministro Pistarini. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:04 amONT - EZE
1 stop20h 16mUnited Airlines
Fri 1/910:05 pmEZE - ONT
2 stops27h 53mUnited Airlines
Deal found 12/12$1,568
This FlightHub deal was found by Cheapflights users on 12/14. 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.
Sun 12/217:05 amONT - EZE
1 stop20h 55mLATAM Airlines
Thu 1/2211:55 pmEZE - ONT
1 stop16h 36mLATAM Airlines
Deal found 12/14$1,598
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:04 amONT - EZE
1 stop20h 16mUnited Airlines
Thu 1/2210:05 pmEZE - ONT
2 stops19h 43mUnited Airlines
Deal found 12/14$1,619
This United Airlines deal was found by Cheapflights users on 12/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:04 amONT - EZE
1 stop20h 16mUnited Airlines
Tue 12/3010:05 pmEZE - ONT
1 stop28h 47mUnited Airlines
Deal found 12/13$1,630
This Delta deal was found by Cheapflights users on 12/12. 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.
Sat 12/2710:29 pmONT - EZE
1 stop29h 31mDelta
Wed 1/78:55 pmEZE - ONT
1 stop19h 36mDelta
Deal found 12/12$1,689
This Mytrip deal was found by Cheapflights users on 12/13. 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.
Thu 12/2511:02 pmONT - EZE
3 stops30h 18mMultiple Airlines
Tue 12/307:43 pmEZE - ONT
3 stops32h 09mMultiple Airlines
Deal found 12/13$1,695
This United Airlines deal was found by Cheapflights users on 12/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:04 amONT - EZE
1 stop20h 16mUnited Airlines
Thu 1/811:55 pmEZE - ONT
2 stops26h 03mUnited Airlines
Deal found 12/12$1,720
This Delta deal was found by Cheapflights users on 12/12. 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.
Fri 12/267:05 amONT - EZE
1 stop19h 15mDelta
Wed 1/78:55 pmEZE - ONT
1 stop19h 36mDelta
Deal found 12/12$1,722
This United Airlines deal was found by Cheapflights users on 12/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:05 amONT - EZE
2 stops21h 15mUnited Airlines
Wed 12/3110:05 pmEZE - ONT
2 stops19h 33mUnited Airlines
Deal found 12/12$1,734
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:00 amONT - EZE
1 stop20h 20mUnited Airlines
Tue 12/2310:05 pmEZE - ONT
2 stops19h 33mUnited Airlines
Deal found 12/15$1,738
This FlightHub deal was found by Cheapflights users on 12/15. 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.
Thu 12/1812:12 pmONT - EZE
1 stop15h 48mLATAM Airlines
Sat 12/208:55 pmEZE - ONT
1 stop18h 05mLATAM Airlines
Deal found 12/15$1,764
This KAYAK deal was found by Cheapflights users on 12/15. 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.
Tue 12/3011:10 amONT - EZE
1 stop15h 10mLATAM Airlines
Wed 1/78:55 pmEZE - ONT
1 stop19h 36mLATAM Airlines
Deal found 12/15$1,768

Find flight deals from Ontario to Ministro Pistarini

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Ministro Pistarini (EZE). 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 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,022
(KAYAK)

One-way from

$481
(Trip.com)

Popular in

December

Cheapest in

November

Average price

$1,338
Provider with most accurate pricing for Ontario-Buenos Aires Ministro Pistarini flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Buenos Aires Ministro Pistarini flights.
Search Deals
From Ontario to Buenos Aires Ministro Pistarini
Search Deals
One-way flight from Ontario to Buenos Aires Ministro Pistarini
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Ministro Pistarini 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 15, 2025.
Use the filters below to find and compare flights from Ontario to Buenos Aires Ministro Pistarini Airport that are best for you.

Fly from

Ontario

Fly to

Ministro Pistarini

Route

Depart

Return

Price

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 3/10

6:00 am-8:20 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Wed 3/18

9:05 pm-12:48 pm

2 stops19h 43m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 3/10

6:00 am-8:20 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Tue 3/17

9:05 pm-12:18 pm

2 stops19h 13m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 3/3

6:10 am-7:20 am

2 stops20h 10m

Buenos Aires Ministro Pistarini

Tue 3/17

9:05 pm-12:48 pm

2 stops19h 43m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 3/10

6:00 am-8:20 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Thu 3/19

9:05 pm-12:48 pm

2 stops19h 43m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Wed 3/4

5:00 am-7:20 am

2 stops21h 20m

Buenos Aires Ministro Pistarini

Wed 3/18

9:05 pm-12:48 pm

2 stops19h 43m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 2/3

6:00 am-7:20 am

2 stops20h 20m

Buenos Aires Ministro Pistarini

Wed 3/4

10:05 pm-12:18 pm

2 stops19h 13m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Mon 3/9

6:00 am-8:20 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Tue 3/17

9:05 pm-12:18 pm

2 stops19h 13m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 4/23

6:00 am-8:00 am

1 stop22h 00m

Buenos Aires Ministro Pistarini

Thu 4/30

9:00 pm-9:50 pm

1 stop28h 50m

$1,038

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 4/30

6:05 am-8:00 am

1 stop21h 55m

Buenos Aires Ministro Pistarini

Mon 5/18

9:00 pm-9:50 pm

1 stop28h 50m

$1,038

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 2/1

6:10 am-7:20 am

1 stop20h 10m

Buenos Aires Ministro Pistarini

Wed 3/4

10:05 pm-12:48 pm

2 stops19h 43m

$1,070

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 24 results
1
2
3

Compare providers for flights from Ontario to Ministro Pistarini

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 Ministro Pistarini in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*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-Buenos Aires Ministro Pistarini Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Buenos Aires Ministro Pistarini Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Buenos Aires Ministro Pistarini Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Buenos Aires Ministro Pistarini Airport 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-Buenos Aires Ministro Pistarini Airport 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 Ministro Pistarini

Have a flexible travel schedule? Discover the best time to fly to Ministro Pistarini 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 Buenos Aires Ministro Pistarini Airport

What is the cheapest month to book a flight from Ontario to Buenos Aires Ministro Pistarini Airport?

Currently, May is the cheapest month in which you can book a flight from Ontario to Buenos Aires Ministro Pistarini Airport (average of $269). Flying from Ontario to Buenos Aires Ministro Pistarini Airport in June is currently the most expensive (average of $773). 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.

What is the cheapest time of day to fly from ONT to EZE?

Find hourly flight availability from Ontario to Ministro Pistarini. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

It’s typically best to fly out from Ontario to Buenos Aires Ministro Pistarini Airport in the evening. Doing so could potentially save you 58% on the flight price compared to flying at noon, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Ministro Pistarini. 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 Ontario to Buenos Aires Ministro Pistarini?

    For a flight from Ontario to Buenos Aires Ministro Pistarini, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to Buenos Aires Ministro Pistarini per day. 0 airlines have flights to Buenos Aires Ministro Pistarini from Ontario on a regular basis.

  • How long is the flight from Ontario to Buenos Aires Ministro Pistarini Airport?

    LATAM Airlines and United Airlines can get you from Ontario to Buenos Aires Ministro Pistarini Airport in just under 14h 45m. Your travel time can differ by up to 5h 25m. Ontario and Buenos Aires Ministro Pistarini Airport are separated by a distance of 6096 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Ontario to Ministro Pistarini?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Ministro Pistarini 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 Buenos Aires Ministro Pistarini Airport?

    Currently, May is the cheapest month in which you can book a flight from Ontario to Buenos Aires Ministro Pistarini Airport (average of $269). Flying from Ontario to Buenos Aires Ministro Pistarini Airport in June is currently the most expensive (average of $773). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Ministro Pistarini

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Ministro Pistarini flights
Los Angeles to Jorge Newbery flights
San Francisco to Ministro Pistarini flights
San Francisco to Jorge Newbery flights
San Diego to Ministro Pistarini flights
San Diego to Jorge Newbery flights
Las Vegas to Ministro Pistarini flights
San Jose to Ministro Pistarini flights
Santa Ana to Ministro Pistarini flights
Sacramento to Ministro Pistarini flights
Fresno to Ministro Pistarini flights
Sacramento to Jorge Newbery flights
San Jose to Jorge Newbery flights
Palm Springs to Ministro Pistarini flights
Santa Rosa to Ministro Pistarini flights
Oakland to Ministro Pistarini flights
Reno to Ministro Pistarini flights
Monterey to Ministro Pistarini flights
San Luis Obispo to Ministro Pistarini flights
San Francisco to El Palomar flights
Tijuana to Ministro Pistarini flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.