What is the cheapest day to fly from Ontario to Buenos Aires Ministro Pistarini Airport?

Travelers seeking maximum savings on their Ontario to Buenos Aires Ministro Pistarini Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Buenos Aires Ministro Pistarini Airport ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires Ministro Pistarini Airport when rainfall is around 2.0 in.

If weather is an important factor for your trip to Buenos Aires Ministro Pistarini Airport, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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.

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.

$539+ Flights from Ontario to Buenos Aires Ministro Pistarini Airport

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Cheap flight deals from Ontario to Ministro Pistarini

Round-trip from	$1,025 (LATAM Airlines)
One-way from	$539 (Mytrip)
Popular in	December
Cheapest in	September
Average price	$837

From Ontario to Buenos Aires Ministro Pistarini

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One-way flight from Ontario to Buenos Aires Ministro Pistarini

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Highest demand for flights based on searches. 12% potential increase in price ($136 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($47 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 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 September 17, 2025.

Sun 11/910:25 pmONT - EZE

2 stops26h 55mLATAM Airlines

Wed 11/197:50 amEZE - ONT

2 stops20h 14mLATAM Airlines

Deal found 9/16

$1,025

Mon 12/16:05 amONT - EZE

1 stop20h 15mUnited Airlines

Mon 12/1510:05 pmEZE - ONT

2 stops19h 27mUnited Airlines

Deal found 9/17

$1,030

Thu 11/206:05 amONT - EZE

1 stop20h 15mUnited Airlines

Mon 12/111:55 pmEZE - ONT

1 stop26h 54mUnited Airlines

Deal found 9/16

$1,037

Tue 12/231:40 pmONT - EZE

2 stops36h 40mUnited Airlines

Tue 1/1311:55 pmEZE - ONT

2 stops27h 58mUnited Airlines

Deal found 9/16

$1,048

Sun 11/96:05 amONT - EZE

1 stop22h 15mUnited Airlines

Wed 11/1911:55 pmEZE - ONT

2 stops25h 49mUnited Airlines

Deal found 9/17

$1,070

Thu 11/206:05 amONT - EZE

1 stop20h 15mUnited Airlines

Sun 11/3011:55 pmEZE - ONT

1 stop26h 54mUnited Airlines

Deal found 9/15

$1,078

Wed 11/195:05 amONT - EZE

2 stops23h 15mUnited Airlines

Sun 11/3011:55 pmEZE - ONT

1 stop26h 54mUnited Airlines

Deal found 9/16

$1,082

Tue 10/286:05 amONT - EZE

1 stop20h 15mUnited Airlines

Tue 11/1810:05 pmEZE - ONT

2 stops19h 26mUnited Airlines

Deal found 9/16

$1,105

Fri 11/216:05 amONT - EZE

1 stop20h 15mUnited Airlines

Sun 11/3011:55 pmEZE - ONT

1 stop26h 54mUnited Airlines

Deal found 9/16

$1,118

Best flights from Ontario to Ministro Pistarini
Discover carefully curated flight deals from Ontario to Ministro Pistarini that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Thu 1/226:00 amONT - EZE

1 stop20h 20mUnited Airlines

Tue 2/2410:05 pmEZE - ONT

2 stops19h 13mUnited Airlines

Deal found 9/17

$1,030

Thu 12/256:04 amONT - EZE

1 stop22h 16mUnited Airlines

Tue 1/1311:55 pmEZE - ONT

2 stops27h 58mUnited Airlines

Deal found 9/15

$1,030

Mon 11/176:05 amONT - EZE

1 stop20h 15mUnited Airlines

Tue 12/210:05 pmEZE - ONT

2 stops19h 27mUnited Airlines

Deal found 9/15

$1,030

Mon 1/126:00 amONT - EZE

2 stops20h 20mUnited Airlines

Tue 1/2710:05 pmEZE - ONT

2 stops19h 42mUnited Airlines

Deal found 9/16

$1,030

Mon 3/96:02 amONT - EZE

1 stop22h 18mUnited Airlines

Mon 3/2310:55 pmEZE - ONT

2 stops27h 50mUnited Airlines

Deal found 9/17

$1,030

Wed 11/195:05 amONT - EZE

2 stops21h 15mUnited Airlines

Sun 12/710:05 pmEZE - ONT

2 stops19h 27mUnited Airlines

Deal found 9/16

$1,070

Wed 10/296:00 amONT - EZE

2 stops20h 20mUnited Airlines

Wed 11/1210:05 pmEZE - ONT

2 stops19h 28mUnited Airlines

Deal found 9/16

$1,105

Tue 10/286:00 amONT - EZE

2 stops20h 20mUnited Airlines

Wed 11/1210:05 pmEZE - ONT

2 stops19h 28mUnited Airlines

Deal found 9/16

$1,105

Last-minute flights from Ontario to Ministro Pistarini
Discover last-minute flight deals from Ontario to Ministro Pistarini. Data last updated September 17, 2025 and is based on user searches.

Wed 10/89:36 amONT - EZE

2 stops18h 24mUnited Airlines

Thu 11/2010:05 pmEZE - ONT

2 stops19h 28mUnited Airlines

Deal found 9/16

$1,210

Thu 10/911:25 pmONT - EZE

3 stops26h 45mMultiple Airlines

Mon 10/133:40 pmEZE - ONT

3 stops34h 15mMultiple Airlines

Deal found 9/15

$1,281

Thu 10/166:36 pmONT - EZE

3 stops30h 59mMultiple Airlines

Wed 10/222:30 amEZE - ONT

2 stops22h 54mMultiple Airlines

Deal found 9/17

$1,164

Thu 10/166:00 amONT - EZE

1 stop22h 00mUnited Airlines

Thu 10/239:00 pmEZE - ONT

2 stops24h 23mUnited Airlines

Deal found 9/17

$1,180

Sun 10/266:05 amONT - EZE

1 stop20h 15mUnited Airlines

Wed 11/510:05 pmEZE - ONT

2 stops19h 28mUnited Airlines

Deal found 9/15

$1,145

Tue 10/286:05 amONT - EZE

1 stop20h 15mUnited Airlines

Tue 11/1810:05 pmEZE - ONT

2 stops19h 26mUnited Airlines

Deal found 9/16

$1,105

Fri 10/315:05 amONT - EZE

2 stops21h 15mUnited Airlines

Fri 11/710:05 pmEZE - ONT

2 stops19h 28mUnited Airlines

Deal found 9/16

$1,185

Fri 10/3111:36 amONT - EZE

1 stop17h 24mDelta

Fri 11/78:55 pmEZE - ONT

1 stop18h 31mDelta

Deal found 9/16

$1,255

Fri 10/317:05 amONT - EZE

2 stops27h 50mLATAM Airlines

Thu 11/64:05 amEZE - ONT

2 stops35h 21mLATAM Airlines

Deal found 9/16

$1,285

One-way flights from Ontario to Ministro Pistarini
Search for one-way flight options from Ontario to Ministro Pistarini. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Thu 11/2710:30 pmONT - EZE

3 stops26h 50mMultiple Airlines

Deal found 9/16

$539

Thu 11/2010:30 pmONT - EZE

3 stops23h 20mMultiple Airlines

Deal found 9/16

$542

Tue 10/1411:25 pmONT - EZE

3 stops26h 45mMultiple Airlines

Deal found 9/17

$543

Mon 9/2211:59 pmONT - EZE

3 stops23h 46mMultiple Airlines

Deal found 9/17

$550

Sat 10/1111:25 pmONT - EZE

2 stops22h 00mAvianca

Deal found 9/16

$556

Sat 10/411:25 pmONT - EZE

3 stops25h 25mAvianca

Deal found 9/16

$558

Thu 12/410:30 pmONT - EZE

2 stops22h 05mAvianca

Deal found 9/17

$622

Tue 10/2811:30 pmONT - EZE

2 stops22h 05mAvianca

Deal found 9/16

$631

Sun 10/2611:36 amONT - EZE

1 stop17h 24mDelta

Deal found 9/16

$645

Tue 10/216:00 amONT - EZE

1 stop22h 00mUnited Airlines

Deal found 9/17

$648

Thu 10/95:05 amONT - EZE

2 stops22h 55mUnited Airlines

Deal found 9/16

$654

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Buenos Aires Ministro Pistarini Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 1/22

6:00 am-7:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Tue 2/24

10:05 pm-12:18 pm

2 stops19h 13m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 12/25

6:04 am-9:20 am

1 stop22h 16m

Buenos Aires Ministro Pistarini

Tue 1/13

11:55 pm-10:53 pm

2 stops27h 58m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Mon 11/17

6:05 am-7:20 am

1 stop20h 15m

Buenos Aires Ministro Pistarini

Tue 12/2

10:05 pm-12:32 pm

2 stops19h 27m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Mon 1/12

6:00 am-7:20 am

2 stops20h 20m

Buenos Aires Ministro Pistarini

Tue 1/27

10:05 pm-12:47 pm

2 stops19h 42m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Mon 3/9

6:02 am-8:20 am

1 stop22h 18m

Buenos Aires Ministro Pistarini

Mon 3/23

10:55 pm-10:45 pm

2 stops27h 50m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Wed 11/19

5:05 am-7:20 am

2 stops21h 15m

Buenos Aires Ministro Pistarini

Sun 12/7

10:05 pm-12:32 pm

2 stops19h 27m

$1,070

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Wed 10/29

6:00 am-6:20 am

2 stops20h 20m

Buenos Aires Ministro Pistarini

Wed 11/12

10:05 pm-12:33 pm

2 stops19h 28m

$1,105

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 10/28

6:00 am-6:20 am

2 stops20h 20m

Buenos Aires Ministro Pistarini

Wed 11/12

10:05 pm-12:33 pm

2 stops19h 28m

$1,105

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 11/20

10:30 pm-2:50 am

3 stops23h 20m

$542

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 10/28

11:30 pm-1:35 am

2 stops22h 05m

$631

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 18 results

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, April is the cheapest month in which you can book a flight from Ontario to Buenos Aires Ministro Pistarini Airport (average of $795). Flying from Ontario to Buenos Aires Ministro Pistarini Airport in December is currently the most expensive (average of $1,260). 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?

It’s typically best to fly out from Ontario to Buenos Aires Ministro Pistarini Airport at noon. Doing so could potentially save you 47% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

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, April is the cheapest month in which you can book a flight from Ontario to Buenos Aires Ministro Pistarini Airport (average of $795). Flying from Ontario to Buenos Aires Ministro Pistarini Airport in December is currently the most expensive (average of $1,260). 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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$539+ 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Ministro Pistarini with Cheapflights

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Find flight deals from Ontario to Ministro Pistarini

Cheapest flights from Ontario to Ministro PistariniExplore 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 September 17, 2025.

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 September 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Buenos Aires Ministro Pistarini Airport that are best for you.

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.

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?

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

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?

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

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

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

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

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

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

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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 September 17, 2025.