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Ontario

$382+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — ONT
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
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 enero 29, 2026.

This Priceline deal was found by Cheapflights users on 1/28. 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.
mié. 5/272:30 am
EZE
-
ONT
2 stops23h 15m
Avianca
jue. 9/311:35 pm
ONT
-
EZE
2 stops21h 45m
Avianca
Deal found 1/28$689
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/307:10 am
EZE
-
ONT
2 stops42h 35m
Avianca
sáb. 10/1711:35 pm
ONT
-
EZE
2 stops21h 45m
Avianca
Deal found 1/28$690
This Mytrip deal was found by Cheapflights users on 1/27. 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.
lun. 11/302:40 am
EZE
-
ONT
2 stops23h 15m
Avianca
mar. 12/810:30 pm
ONT
-
EZE
2 stops22h 05m
Avianca
Deal found 1/27$735
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/44:50 pm
EZE
-
ONT
2 stops32h 55m
Avianca
jue. 6/411:35 pm
ONT
-
EZE
2 stops21h 50m
Avianca
Deal found 1/28$752
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/197:30 am
EZE
-
ONT
2 stops18h 25m
Avianca
jue. 4/211:35 pm
ONT
-
EZE
2 stops26h 10m
Avianca
Deal found 1/27$795
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/82:30 am
EZE
-
ONT
2 stops47h 15m
Avianca
mar. 9/1511:35 pm
ONT
-
EZE
2 stops20h 35m
Avianca
Deal found 1/28$802
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/142:30 am
EZE
-
ONT
2 stops47h 15m
Avianca
sáb. 5/2311:35 pm
ONT
-
EZE
2 stops45h 50m
Avianca
Deal found 1/27$813
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/32:30 am
EZE
-
ONT
2 stops23h 15m
Avianca
sáb. 5/1611:35 pm
ONT
-
EZE
2 stops36h 05m
Avianca
Deal found 1/28$836
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/87:10 am
EZE
-
ONT
2 stops42h 35m
Avianca
sáb. 7/2511:35 pm
ONT
-
EZE
2 stops21h 50m
Avianca
Deal found 1/28$856
This Almundo deal was found by Cheapflights users on 1/28. 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 Almundo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/97:10 am
EZE
-
ONT
2 stops18h 35m
Avianca
mar. 6/2311:35 pm
ONT
-
EZE
2 stops21h 45m
Avianca
Deal found 1/28$886
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/237:30 am
EZE
-
ONT
2 stops42h 25m
Avianca
sáb. 4/411:35 pm
ONT
-
EZE
2 stops20h 35m
Avianca
Deal found 1/27$919

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 enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$689
(Priceline)

One-way from

$382
(Priceline)

Popular in

June

Cheapest in

November

Average price

$1,005
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 ($155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 enero 29, 2026.
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

mié. 5/27

2:30 am-9:45 pm

2 stops23h 15m

Ontario

jue. 9/3

11:35 pm-1:20 am

2 stops21h 45m

$689

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

lun. 5/4

4:50 pm-9:45 pm

2 stops32h 55m

Ontario

jue. 6/4

11:35 pm-1:25 am

2 stops21h 50m

$752

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

jue. 5/14

2:30 am-9:45 pm

2 stops47h 15m

Ontario

sáb. 5/23

11:35 pm-1:25 am

2 stops45h 50m

$813

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

mar. 6/9

7:10 am-9:45 pm

2 stops18h 35m

Ontario

mar. 6/23

11:35 pm-1:20 am

2 stops21h 45m

$886

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

lun. 3/2

4:55 pm-8:55 pm

2 stops33h 00m

Ontario

sáb. 3/7

10:30 pm-5:50 am

2 stops26h 20m

$946

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

sáb. 4/4

7:10 am-9:45 pm

2 stops18h 35m

Ontario

sáb. 5/16

12:00 pm-9:45 am

1 stop17h 45m

$1,303

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

lun. 5/11

9:00 pm-12:38 pm

2 stops19h 38m

Ontario

mié. 5/20

6:00 am-8:00 am

1 stop22h 00m

$1,389

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

sáb. 3/14

3:55 pm-11:47 am

2 stops23h 52m

Ontario

sáb. 3/21

12:57 pm-9:00 am

1 stop16h 03m

$1,409

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

jue. 5/14

9:00 pm-5:52 pm

3 stops48h 52m

Ontario

dom. 5/24

6:53 pm-8:00 am

2 stops33h 07m

$1,415

Buenos AiresOntario

EZE - ONT

EZEONT

Buenos Aires Ministro Pistarini

lun. 5/4

8:10 pm-11:36 am

1 stop19h 26m

Ontario

jue. 6/4

12:00 pm-9:45 am

1 stop17h 45m

$1,420

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 24 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 $722). 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 fly from Argentina to Ontario in about 23h 15m. 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 January is currently the most expensive (average of $722). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Argentina to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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