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$497+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — ONT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$974
(Priceline)

One-way from

$497
(Avianca)

Popular in

January

Cheapest in

October

Average price

$1,219
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. 14% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Priceline deal was found by Cheapflights users on 6/11. 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.
lun. 9/222:30 amEZE - ONT
3 stops23h 25mAvianca
jue. 10/911:25 pmONT - EZE
3 stops26h 10mAvianca
Deal found 6/11$974
This United Airlines deal was found by Cheapflights users on 6/10. 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. 10/29:00 pmEZE - ONT
2 stops29h 42mUnited Airlines
dom. 10/196:37 pmONT - EZE
2 stops33h 23mUnited Airlines
Deal found 6/10$1,350
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1210:00 pmEZE - ONT
2 stops17h 56mAmerican Airlines
vie. 9/2610:54 amONT - EZE
2 stops18h 06mAmerican Airlines
Deal found 6/12$1,724
This Mytrip deal was found by Cheapflights users on 6/9. 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.
mar. 6/106:50 amEZE - ONT
2 stops19h 05mMultiple Airlines
lun. 6/161:09 amONT - EZE
3 stops22h 16mMultiple Airlines
Deal found 6/9$1,763
This Delta deal was found by Cheapflights users on 6/11. 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.
jue. 6/198:10 pmEZE - ONT
1 stop18h 28mDelta
vie. 7/411:49 amONT - EZE
1 stop17h 56mDelta
Deal found 6/11$1,858
This Kissandfly.com deal was found by Cheapflights users on 6/10. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/269:00 pmEZE - ONT
1 stop28h 37mLufthansa
vie. 7/186:00 amONT - EZE
1 stop22h 00mLufthansa
Deal found 6/10$2,108

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 junio 12, 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

lun. 9/22

2:30 am-9:55 pm

3 stops23h 25m

Ontario

jue. 10/9

11:25 pm-5:35 am

3 stops26h 10m

$974

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

jue. 10/2

9:00 pm-10:42 pm

2 stops29h 42m

Ontario

dom. 10/19

6:37 pm-8:00 am

2 stops33h 23m

$1,350

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

vie. 9/12

10:00 pm-11:56 am

2 stops17h 56m

Ontario

vie. 9/26

10:54 am-9:00 am

2 stops18h 06m

$1,724

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

jue. 10/2

2:30 am-9:24 pm

2 stops22h 54m

Ontario

mié. 10/22

6:37 pm-8:00 am

2 stops33h 23m

$2,016

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

jue. 6/26

9:00 pm-9:37 pm

1 stop28h 37m

Ontario

vie. 7/18

6:00 am-8:00 am

1 stop22h 00m

$2,108

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

jue. 10/9

8:10 pm-7:42 pm

1 stop27h 32m

Ontario

dom. 10/26

7:00 am-9:00 am

1 stop22h 00m

$2,537

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

sáb. 6/21

6:40 am-9:55 pm

3 stops19h 15m

$497

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

mar. 8/19

4:55 am-11:13 pm

3 stops22h 18m

$774

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

mié. 12/3

10:05 pm-12:33 pm

2 stops19h 28m

$824

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

dom. 8/17

12:55 am-10:20 pm

1 stop25h 25m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 14 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated junio 12, 2025.
To help decide which airline to fly from Argentina to Ontario, see what other customers have to say about Delta, LATAM Airlines and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LATAM Airlines
7.5
Good
1,785 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.1
Good
9,537 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from Argentina to Ontario one-way?

    To fly one-way, consider booking your trip with Avianca, which is currently one of the cheapest options available, starting at $497. United Airlines flights start at $824 while deals on Delta start at $829 one-way.

  • 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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