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Argentina

$454+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EZE
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$966
(Priceline)

One-way from

$454
(Gotogate)

Popular in

December

Cheapest in

May

Average price

$958
Provider with most accurate pricing for Los Angeles-Buenos Aires (BUE) flight deals.
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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. 7% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This Priceline deal was found by Cheapflights users on 3/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:25 pmONT - EZE
2 stops20h 45mAvianca
Sat 10/257:10 amEZE - ONT
2 stops18h 45mAvianca
Deal found 3/26$942
This United Airlines deal was found by Cheapflights users on 3/24. 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 7/16:00 amONT - EZE
1 stop22h 00mUnited Airlines
Mon 9/19:00 pmEZE - ONT
2 stops29h 53mUnited Airlines
Deal found 3/24$1,025
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/11:09 amONT - EZE
3 stops25h 01mMultiple Airlines
Mon 6/165:35 amEZE - ONT
3 stops21h 38mMultiple Airlines
Deal found 3/25$1,252
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/47:05 amONT - EZE
1 stop22h 40mDelta
Tue 7/158:10 pmEZE - ONT
1 stop30h 19mDelta
Deal found 3/25$1,288
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:45 amONT - EZE
3 stops28h 40mAir Canada
Mon 12/15:00 pmEZE - ONT
3 stops36h 10mAir Canada
Deal found 3/25$1,625
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1412:53 pmONT - EZE
1 stop15h 17mAmerican Airlines
Wed 12/3110:30 pmEZE - ONT
1 stop18h 00mAmerican Airlines
Deal found 3/25$2,838

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 March 26, 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

Thu 6/12

11:25 pm-5:35 am

3 stops26h 10m

Buenos Aires Ministro Pistarini

Sat 6/28

6:40 am-9:55 pm

3 stops19h 15m

$966

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 7/1

6:00 am-8:00 am

1 stop22h 00m

Buenos Aires Ministro Pistarini

Mon 9/1

9:00 pm-10:53 pm

2 stops29h 53m

$1,025

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 6/1

1:09 am-6:10 am

3 stops25h 01m

Buenos Aires Ministro Pistarini

Mon 6/16

5:35 am-11:13 pm

3 stops21h 38m

$1,252

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Fri 7/4

7:05 am-9:45 am

1 stop22h 40m

Buenos Aires Ministro Pistarini

Tue 7/15

8:10 pm-10:29 pm

1 stop30h 19m

$1,288

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Fri 5/9

6:00 am-2:30 pm

3 stops28h 30m

Buenos Aires Ministro Pistarini

Mon 5/12

4:35 pm-8:34 pm

3 stops31h 59m

$1,725

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Thu 5/15

10:00 am-7:15 am

2 stops17h 15m

Buenos Aires Ministro Pistarini

Wed 5/28

8:50 pm-11:50 am

2 stops19h 00m

$5,386

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Tue 5/27

11:25 pm-12:10 am

2 stops20h 45m

$454

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Wed 4/2

1:09 am-3:25 am

3 stops22h 16m

$585

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Sun 4/20

6:10 am-8:00 am

1 stop21h 50m

$638

OntarioBuenos Aires

ONT - EZE

ONTEZE

Ontario

Mon 3/31

3:55 pm-2:30 pm

3 stops42h 35m

$754

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 12 results
1
2

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 March 26, 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 March 26, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American 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
7,891 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

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
7,891 reviews
Delta
8.0
Very good
7,891 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

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
8,608 reviews
Delta
8.0
Very good
7,891 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

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
7,891 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

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.
Air Canada
7.0
Good
8,960 reviews
Delta
8.0
Very good
7,891 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

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.
Avianca
6.7
Okay
2,298 reviews
Delta
8.0
Very good
7,891 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

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 ($454), United Airlines ($638), and Air Canada ($754).

  • 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,133Average$1,659FlexibilityNo cancel feeOn-time71%
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