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Ministro Pistarini

$416+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EZE
Dec 14 — Dec 211
Sun 12/14
Sun 12/21
1 adult, Economy
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Find 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 November 14, 2025.

This KAYAK deal was found by Cheapflights users on 11/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:12 pmONT - EZE
2 stops25h 31mLATAM Airlines
Wed 12/1712:15 pmEZE - ONT
2 stops36h 24mLATAM Airlines
Deal found 11/12$1,168
This Delta deal was found by Cheapflights users on 11/12. 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.
Wed 12/107:05 amONT - EZE
1 stop20h 55mDelta
Wed 12/1711:55 pmEZE - ONT
1 stop24h 44mDelta
Deal found 11/12$1,176
This United Airlines deal was found by Cheapflights users on 11/14. 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.
Mon 12/156:00 amONT - EZE
1 stop20h 20mUnited Airlines
Tue 12/2310:05 pmEZE - ONT
1 stop28h 47mUnited Airlines
Deal found 11/14$1,189
This Delta deal was found by Cheapflights users on 11/12. 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.
Wed 12/107:05 amONT - EZE
1 stop20h 55mDelta
Fri 12/1911:55 pmEZE - ONT
1 stop24h 55mDelta
Deal found 11/12$1,216
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Wed 12/106:00 amONT - EZE
1 stop22h 20mUnited Airlines
Fri 12/1911:55 pmEZE - ONT
2 stops27h 46mUnited Airlines
Deal found 11/12$1,220
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Wed 12/106:00 amONT - EZE
2 stops20h 20mUnited Airlines
Sat 12/2011:55 pmEZE - ONT
1 stop26h 57mUnited Airlines
Deal found 11/12$1,229
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Sun 12/146:41 pmONT - EZE
2 stops33h 39mUnited Airlines
Sun 12/2110:05 pmEZE - ONT
1 stop28h 47mUnited Airlines
Deal found 11/12$1,234
This Delta deal was found by Cheapflights users on 11/12. 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.
Thu 12/117:05 amONT - EZE
1 stop20h 55mDelta
Thu 12/188:55 pmEZE - ONT
1 stop19h 07mDelta
Deal found 11/12$1,251
This United Airlines deal was found by Cheapflights users on 11/13. 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.
Mon 12/156:00 amONT - EZE
1 stop20h 20mUnited Airlines
Thu 12/2511:55 pmEZE - ONT
2 stops22h 48mUnited Airlines
Deal found 11/13$1,255
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/126:00 amONT - EZE
1 stop20h 20mUnited Airlines
Fri 12/1911:55 pmEZE - ONT
2 stops27h 46mUnited Airlines
Deal found 11/12$1,260
This United Airlines deal was found by Cheapflights users on 11/14. 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.
Fri 12/126:00 amONT - EZE
1 stop20h 20mUnited Airlines
Sat 12/2011:55 pmEZE - ONT
1 stop26h 57mUnited Airlines
Deal found 11/14$1,269

Cheap 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 November 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,030
(United Airlines)

One-way from

$416
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$836
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 ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 14, 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

Mon 2/9

6:00 am-7:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Thu 2/19

10:05 pm-12:43 pm

2 stops19h 38m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 1/13

6:10 am-7:20 am

1 stop20h 10m

Buenos Aires Ministro Pistarini

Wed 1/21

10:05 pm-9:58 pm

1 stop28h 53m

$1,038

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Wed 1/14

6:10 am-7:20 am

1 stop20h 10m

Buenos Aires Ministro Pistarini

Wed 1/21

11:55 pm-11:18 am

2 stops40h 23m

$1,045

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 2/1

6:39 pm-7:20 am

2 stops31h 41m

Buenos Aires Ministro Pistarini

Wed 2/11

10:05 pm-12:38 pm

2 stops19h 33m

$1,050

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 1/15

1:04 pm-9:00 am

1 stop14h 56m

Buenos Aires Ministro Pistarini

Fri 1/23

8:55 pm-11:54 am

1 stop19h 59m

$1,066

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 1/15

1:04 pm-9:00 am

1 stop14h 56m

Buenos Aires Ministro Pistarini

Sat 1/24

11:55 pm-9:07 pm

1 stop26h 12m

$1,066

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Wed 1/14

1:04 pm-9:00 am

1 stop14h 56m

Buenos Aires Ministro Pistarini

Fri 1/23

8:55 pm-11:54 am

1 stop19h 59m

$1,066

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 2/12

6:00 am-7:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Sun 2/22

11:55 pm-5:41 pm

2 stops22h 46m

$1,070

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 3/1

6:00 am-7:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Mon 3/16

10:55 pm-5:41 pm

2 stops22h 46m

$1,070

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 2/12

6:00 am-7:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Sat 2/28

10:05 pm-5:41 pm

2 stops24h 36m

$1,070

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 19 results
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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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 February is currently the most expensive (average of $789). 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 November 14, 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?

    United Airlines can get you from Ontario to Buenos Aires Ministro Pistarini Airport in just under 20h 20m. Your travel time can differ by up to . Ontario and Buenos Aires Ministro Pistarini Airport are separated by a distance of 6096 mi.

  • 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 February is currently the most expensive (average of $789). 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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