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Argentina

$395+ Cheap flights from Ontario (ONT) to Argentina

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EZE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Argentina

Keep the following information in mind while searching for Ontario to Argentina flight deals. Data was last updated June 12, 2025.

Round-trip from

$896
(Priceline)

One-way from

$395
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$984
From Ontario to Argentina
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One-way flight from Ontario to Argentina
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Highest demand for flights based on searches. 8% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 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 Ontario to Argentina

Cheapest flights from Ontario to Argentina
Explore the most affordable flight options available from Ontario to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 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.
Sat 9/1311:25 pmONT - EZE
3 stops22h 00mAvianca
Wed 9/242:30 amEZE - ONT
3 stops23h 25mAvianca
Deal found 6/11$896
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.
Mon 9/156:00 amONT - EZE
2 stops22h 00mUnited Airlines
Tue 9/309:00 pmEZE - ONT
2 stops19h 51mUnited Airlines
Deal found 6/10$1,030
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:09 amONT - EZE
2 stops37h 06mMultiple Airlines
Wed 11/196:15 amEZE - ONT
3 stops20h 20mMultiple Airlines
Deal found 6/12$1,116
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/157:05 amONT - EZE
1 stop22h 40mDelta
Wed 7/238:10 pmEZE - ONT
1 stop30h 17mDelta
Deal found 6/9$1,342
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/19:11 pmONT - MDZ
3 stops29h 34mMultiple Airlines
Wed 7/169:10 pmMDZ - ONT
3 stops28h 45mMultiple Airlines
Deal found 6/11$1,434
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:00 amONT - EZE
2 stops21h 15mLATAM Airlines
Sun 12/217:35 pmEZE - ONT
2 stops20h 03mLATAM Airlines
Deal found 6/10$1,655
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.
Mon 11/1710:59 pmONT - MDZ
2 stops39h 31mLATAM Airlines
Mon 11/248:00 amMDZ - ONT
2 stops19h 41mLATAM Airlines
Deal found 6/11$1,931

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Argentina 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 June 12, 2025.
Use the filters below to find and compare flights from Ontario to Argentina that are best for you.

Fly from

Ontario

Fly to

Argentina

Route

Depart

Return

Price

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sat 9/13

11:25 pm-1:25 am

3 stops22h 00m

Buenos Aires Ministro Pistarini

Wed 9/24

2:30 am-9:55 pm

3 stops23h 25m

$896

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Mon 9/15

6:00 am-8:00 am

2 stops22h 00m

Buenos Aires Ministro Pistarini

Thu 9/25

9:00 pm-12:51 pm

2 stops19h 51m

$1,030

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 11/13

6:09 am-12:15 am

2 stops37h 06m

Buenos Aires Ministro Pistarini

Wed 11/19

6:15 am-9:35 pm

3 stops20h 20m

$1,116

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 7/15

7:05 am-9:45 am

1 stop22h 40m

Buenos Aires Ministro Pistarini

Wed 7/23

8:10 pm-10:27 pm

1 stop30h 17m

$1,342

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Tue 7/1

9:11 pm-6:45 am

3 stops29h 34m

Mendoza El Plumerillo

Wed 7/16

9:10 pm-9:55 pm

3 stops28h 45m

$1,434

OntarioMendoza

ONT - MDZ

ONTMDZ

Ontario

Mon 11/17

10:59 pm-7:30 pm

2 stops39h 31m

Mendoza El Plumerillo

Mon 11/24

8:00 am-10:41 pm

2 stops19h 41m

$1,931

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 8/7

10:50 am-7:25 am

2 stops16h 35m

Buenos Aires Ministro Pistarini

Wed 8/20

8:45 pm-11:32 am

2 stops18h 47m

$2,867

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 7/1

11:25 pm-1:25 am

3 stops22h 00m

$395

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Mon 10/6

9:11 pm-3:45 am

3 stops26h 34m

$476

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sat 7/5

11:49 am-9:45 am

1 stop17h 56m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 14 results
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Best time to book a flight from Ontario to Argentina

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

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

Currently, April is the cheapest month in which you can book a flight from Ontario to Argentina (average of $795). Flying from Ontario to Argentina 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 AR?

Find hourly flight availability from Ontario to Argentina. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Argentina as you normally would.

Rainfall in Argentina by month

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

In terms of precipitation, rainfall in Argentina 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 Argentina when rainfall is around 2.0 in.

Temperature in Argentina by month

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

If weather is an important factor for your trip to Argentina, 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).

Reviews of airlines servicing Argentina

Get insights into the airlines that provide service to Argentina. 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 Argentina. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Delta, LATAM Airlines and Copa Airlines from Ontario to Argentina by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,785 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,451 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Argentina. 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 Argentina?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Argentina.

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

    The cheapest airlines for a one-way flight from Ontario to Argentina are Avianca ($395), Delta ($643), and United Airlines ($648).

  • Can I find deals for flights from Ontario to Argentina that include hotel bookings?

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Ontario to Argentina (average of $795). Flying from Ontario to Argentina 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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Alternative routes for Ontario to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ontario to Argentina

Discover the top airline that operate flights from Ontario to Argentina. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,133Average$1,655FlexibilityNo cancel feeOn-time71%

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