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$613+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — ONT
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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 15, 2025.

This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:55 pmEZE - ONT
1 stop18h 05mLATAM Airlines
Mon 2/212:41 pmONT - EZE
1 stop15h 19mLATAM Airlines
Deal found 12/14$1,452
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.
Tue 12/2310:05 pmEZE - ONT
2 stops19h 33mUnited Airlines
Mon 2/26:10 amONT - EZE
1 stop20h 10mUnited Airlines
Deal found 12/14$1,554
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:55 pmEZE - ONT
1 stop19h 07mLATAM Airlines
Thu 12/257:05 amONT - EZE
1 stop19h 15mLATAM Airlines
Deal found 12/14$1,768
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.
Sun 12/286:15 amEZE - ONT
3 stops19h 40mAvianca
Tue 1/610:30 pmONT - EZE
3 stops26h 20mAvianca
Deal found 12/13$1,809
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/174:55 pmEZE - ONT
2 stops33h 00mMultiple Airlines
Fri 12/1912:12 pmONT - EZE
1 stop15h 48mMultiple Airlines
Deal found 12/13$1,822
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.
Wed 12/1710:05 pmEZE - ONT
2 stops19h 33mUnited Airlines
Thu 12/255:05 amONT - EZE
2 stops21h 15mUnited Airlines
Deal found 12/14$1,839
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:55 pmEZE - ONT
1 stop19h 07mLATAM Airlines
Fri 12/1912:12 pmONT - EZE
1 stop15h 48mLATAM Airlines
Deal found 12/13$1,859
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/148:55 pmEZE - ONT
1 stop19h 07mLATAM Airlines
Sun 12/217:05 amONT - EZE
1 stop20h 55mLATAM Airlines
Deal found 12/13$1,886
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.
Sun 12/2811:55 pmEZE - ONT
2 stops22h 48mUnited Airlines
Tue 1/68:00 amONT - EZE
1 stop20h 20mUnited Airlines
Deal found 12/13$1,935

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 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,250
(LATAM Airlines)

One-way from

$613
(Cheapflightsfares)

Popular in

June

Cheapest in

October

Average price

$809
Provider with most accurate pricing for Buenos Aires (BUE)-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Los Angeles flights.
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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 ($156 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 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

Thu 4/9

9:00 pm-10:11 pm

1 stop29h 11m

Ontario

Thu 4/23

6:00 am-8:00 am

1 stop22h 00m

$1,357

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Mon 4/20

9:00 pm-10:11 pm

1 stop29h 11m

Ontario

Wed 5/27

6:02 am-8:00 am

1 stop21h 58m

$1,358

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Tue 4/21

9:00 pm-12:38 pm

2 stops19h 38m

Ontario

Wed 5/27

6:02 am-8:00 am

1 stop21h 58m

$1,358

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Sun 4/12

9:00 pm-10:11 pm

1 stop29h 11m

Ontario

Thu 4/23

6:00 am-8:00 am

1 stop22h 00m

$1,413

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Tue 5/12

8:10 pm-11:20 am

1 stop19h 10m

Ontario

Mon 5/25

12:00 pm-9:45 am

1 stop17h 45m

$1,440

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Mon 1/26

10:05 pm-12:47 pm

2 stops19h 42m

Ontario

Thu 2/26

6:00 am-7:20 am

1 stop20h 20m

$1,462

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Wed 1/28

11:55 pm-5:43 pm

2 stops22h 48m

Ontario

Wed 2/4

6:00 am-7:20 am

2 stops20h 20m

$1,462

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Wed 3/4

4:55 pm-8:55 pm

2 stops33h 00m

$633

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Mon 3/23

1:40 am-9:55 pm

2 stops24h 15m

$639

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

Tue 5/12

6:15 am-9:55 pm

3 stops19h 40m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 18 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 April is currently the most expensive (average of $743). 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 United Airlines fly from Argentina to Ontario in about 29h 11m. The time it takes to get you to your destination can typically vary by up to . The distance between Argentina and Ontario is about 6096 mi.

  • 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 April is currently the most expensive (average of $743). 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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