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$403+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — ONT
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap 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 December 28, 2025.

This United Airlines deal was found by Cheapflights users on 12/26. 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 12/2911:55 pmEZE - ONT
2 stops22h 48mUnited Airlines
Mon 1/56:10 amONT - EZE
1 stop20h 10mUnited Airlines
Deal found 12/26$1,840
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Sat 12/2710:05 pmEZE - ONT
2 stops19h 33mUnited Airlines
Wed 1/288:00 amONT - EZE
1 stop18h 20mUnited Airlines
Deal found 12/25$1,869
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Sat 12/2710:05 pmEZE - ONT
2 stops19h 33mUnited Airlines
Mon 1/126:00 amONT - EZE
1 stop20h 20mUnited Airlines
Deal found 12/25$1,961
This United Airlines deal was found by Cheapflights users on 12/26. 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.
Sat 12/2711:55 pmEZE - ONT
2 stops22h 48mUnited Airlines
Sat 1/36:10 amONT - EZE
1 stop20h 10mUnited Airlines
Deal found 12/26$1,996
This Mytrip deal was found by Cheapflights users on 12/26. 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 12/276:15 amEZE - ONT
3 stops19h 40mAvianca
Sat 1/310:30 pmONT - EZE
2 stops21h 05mAvianca
Deal found 12/26$2,242
This Rumbo deal was found by Cheapflights users on 12/26. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:30 amEZE - ONT
2 stops18h 25mMultiple Airlines
Sat 1/37:05 amONT - EZE
1 stop19h 15mMultiple Airlines
Deal found 12/26$2,936
This Rumbo deal was found by Cheapflights users on 12/26. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:55 pmEZE - ONT
1 stop24h 55mLATAM Airlines
Sat 1/37:05 amONT - EZE
1 stop19h 15mLATAM Airlines
Deal found 12/26$3,141
This LATAM Airlines deal was found by Cheapflights users on 12/25. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:55 pmEZE - ONT
1 stop18h 05mLATAM Airlines
Wed 1/2812:41 pmONT - EZE
1 stop15h 19mLATAM Airlines
Deal found 12/25$6,647
This Air Canada deal was found by Cheapflights users on 12/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:45 pmEZE - ONT
3 stops24h 53mMultiple Airlines
Mon 1/511:59 pmONT - EZE
3 stops34h 11mMultiple Airlines
Deal found 12/26$10,561

Find flight deals from Argentina to Ontario

Keep the following information in mind while searching for Argentina to Ontario flight deals. Data was last updated December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$721
(Priceline)

One-way from

$403
(Priceline)

Popular in

June

Cheapest in

October

Average price

$807
Provider with most accurate pricing for Buenos Aires (BUE)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Los Angeles flights.
Search Deals
From Argentina to Ontario
Search Deals
One-way flight from Argentina to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 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 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 December 28, 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

Wed 2/18

2:40 am-8:55 pm

2 stops23h 15m

Ontario

Thu 2/26

10:30 pm-1:35 am

2 stops22h 05m

$830

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Wed 5/13

1:40 am-9:55 pm

2 stops24h 15m

Ontario

Thu 5/28

11:25 pm-5:45 am

2 stops26h 20m

$990

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Wed 2/4

2:40 am-8:55 pm

2 stops23h 15m

Ontario

Thu 3/12

11:30 pm-1:35 am

2 stops22h 05m

$1,270

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Mon 3/2

4:55 pm-8:55 pm

2 stops33h 00m

Ontario

Sat 3/7

10:30 pm-5:50 am

2 stops26h 20m

$1,276

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Fri 2/27

4:55 pm-8:55 pm

2 stops33h 00m

Ontario

Sat 3/14

11:30 pm-12:35 am

2 stops21h 05m

$1,315

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Thu 2/19

10:05 pm-12:38 pm

2 stops19h 33m

Ontario

Thu 2/26

6:00 am-7:20 am

1 stop20h 20m

$1,357

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Mon 2/16

11:55 pm-5:41 pm

2 stops22h 46m

Ontario

Mon 2/23

6:00 am-7:20 am

1 stop20h 20m

$1,357

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Thu 5/14

9:00 pm-9:50 pm

1 stop28h 50m

Ontario

Tue 5/26

6:02 am-8:00 am

1 stop21h 58m

$1,357

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Thu 2/19

10:05 pm-12:38 pm

2 stops19h 33m

Ontario

Wed 3/4

6:09 am-7:20 am

2 stops20h 11m

$1,357

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Wed 5/13

9:00 pm-9:50 pm

1 stop28h 50m

Ontario

Tue 5/26

6:02 am-8:00 am

1 stop21h 58m

$1,357

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 22 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, June is the cheapest month in which you can book a flight from Argentina to Ontario (average of $462). Flying from Argentina to Ontario in January is currently the most expensive (average of $730). 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 Avianca and United Airlines fly from Argentina to Ontario in about 19h 33m. The time it takes to get you to your destination can typically vary by up to 3h 42m. 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, June is the cheapest month in which you can book a flight from Argentina to Ontario (average of $462). Flying from Argentina to Ontario in January is currently the most expensive (average of $730). 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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