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$626+ Cheap flights from Argentina to Ontario (ONT)

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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — ONT
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Argentina to Ontario

Keep the following information in mind while searching for Argentina to Ontario flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$1,256
(United Airlines)

One-way from

$626
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$803
From Argentina to Ontario
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One-way flight from Argentina to Ontario
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Highest demand for flights based on searches. 11% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 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 Argentina to Ontario

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

This United Airlines deal was found by Cheapflights users on 9/14. 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.
dom. 11/211:55 pmEZE - ONT
2 stops22h 39mUnited Airlines
dom. 1/45:05 amONT - EZE
2 stops21h 15mUnited Airlines
Deal found 9/14$1,256
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/246:50 amEZE - ONT
3 stops43h 05mAvianca
sáb. 9/2711:25 pmONT - EZE
3 stops25h 25mAvianca
Deal found 9/14$1,281
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/28:55 pmEZE - ONT
1 stop30h 27mDelta
dom. 1/47:05 amONT - EZE
1 stop20h 55mDelta
Deal found 9/14$1,323
This United Airlines deal was found by Cheapflights users on 9/14. 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.
jue. 12/2511:55 pmEZE - ONT
2 stops27h 46mUnited Airlines
mié. 2/116:00 amONT - EZE
1 stop20h 20mUnited Airlines
Deal found 9/14$1,326
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 11/1810:05 pmEZE - ONT
2 stops19h 26mUnited Airlines
lun. 12/16:05 amONT - EZE
1 stop20h 15mUnited Airlines
Deal found 9/15$1,345
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/241:40 amEZE - ONT
2 stops24h 15mAvianca
jue. 10/211:25 pmONT - EZE
2 stops20h 45mAvianca
Deal found 9/15$1,428
This United Airlines deal was found by Cheapflights users on 9/14. 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.
jue. 10/309:05 pmEZE - ONT
2 stops19h 32mUnited Airlines
jue. 11/66:05 amONT - EZE
1 stop20h 15mUnited Airlines
Deal found 9/14$1,429
This United deal was found by Cheapflights users on 9/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/12:40 amEZE - ONT
2 stops24h 09mMultiple Airlines
dom. 1/45:05 amONT - EZE
2 stops47h 15mMultiple Airlines
Deal found 9/14$1,464
This United Airlines deal was found by Cheapflights users on 9/14. 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.
jue. 12/2511:55 pmEZE - ONT
2 stops22h 48mUnited Airlines
dom. 1/115:05 amONT - EZE
2 stops21h 15mUnited Airlines
Deal found 9/14$1,483
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 10/149:00 pmEZE - ONT
2 stops19h 51mUnited Airlines
jue. 10/306:00 amONT - EZE
2 stops20h 20mUnited Airlines
Deal found 9/15$1,552
This United Airlines deal was found by Cheapflights users on 9/13. 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.
mar. 12/2310:05 pmEZE - ONT
2 stops19h 33mUnited Airlines
sáb. 1/105:05 amONT - EZE
2 stops21h 15mUnited Airlines
Deal found 9/13$1,572
This United Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 10/239:00 pmEZE - ONT
2 stops19h 51mUnited Airlines
dom. 11/25:05 amONT - EZE
1 stop20h 15mUnited Airlines
Deal found 9/15$1,607

Cheapflights Fare Finder

 
Customize your flight search to find flights from Argentina to Ontario 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 septiembre 15, 2025.
Use the filters below to find and compare flights from Argentina to Ontario that are best for you.

Fly from

Argentina

Fly to

Ontario

Route

Depart

Return

Price

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

dom. 11/2

8:55 pm-10:22 pm

1 stop30h 27m

Ontario

dom. 1/4

7:05 am-9:00 am

1 stop20h 55m

$1,323

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

jue. 12/25

11:55 pm-10:41 pm

2 stops27h 46m

Ontario

mié. 2/11

6:00 am-7:20 am

1 stop20h 20m

$1,326

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

mar. 11/18

10:05 pm-12:31 pm

2 stops19h 26m

Ontario

lun. 12/1

5:05 am-7:20 am

2 stops21h 15m

$1,345

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

mié. 2/18

2:40 am-8:55 pm

2 stops23h 15m

Ontario

jue. 3/19

11:30 pm-12:35 am

2 stops21h 05m

$1,361

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

dom. 2/1

11:55 pm-10:53 pm

2 stops27h 58m

Ontario

sáb. 2/14

6:37 pm-7:20 am

2 stops31h 43m

$1,448

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

jue. 1/15

11:55 pm-9:58 pm

1 stop27h 03m

Ontario

jue. 2/5

6:00 am-7:20 am

1 stop20h 20m

$1,449

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

mar. 10/14

9:00 pm-12:51 pm

2 stops19h 51m

Ontario

jue. 10/30

6:00 am-6:20 am

2 stops20h 20m

$1,552

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

mar. 12/23

10:05 pm-12:38 pm

2 stops19h 33m

Ontario

sáb. 1/10

5:05 am-7:20 am

2 stops21h 15m

$1,572

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

lun. 1/19

11:55 pm-9:58 pm

1 stop27h 03m

Ontario

dom. 5/17

6:02 am-8:00 am

1 stop21h 58m

$1,595

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

lun. 12/1

7:00 pm-8:55 pm

3 stops30h 55m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 21 results
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Best time to book a flight from Argentina to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Argentina 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 Argentina to Ontario

What is the cheapest month to book a flight from Argentina to Ontario?

Currently, August is the cheapest month in which you can book a flight from Argentina to Ontario (average of $246). Flying from Argentina to Ontario in March is currently the most expensive (average of $328). 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 Argentina to Ontario. 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 into for flights to Ontario from Argentina?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Argentina. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Argentina to Ontario?

    Airlines like Delta, United Airlines, and Avianca fly from Argentina to Ontario in about 23h 15m. The time it takes to get you to your destination can typically vary by up to 7h 12m. The distance between Argentina and Ontario is about 6096 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 Argentina to Ontario that include hotel bookings?

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

  • How can I find direct flights from Argentina to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Argentina to Ontario 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 Argentina to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Argentina to Ontario (average of $246). Flying from Argentina to Ontario in March is currently the most expensive (average of $328). 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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