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Cheap flights from Buenos Aires to Ontario from C$ 401

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 27/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — YYZ
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buenos Aires to Ontario

Keep the following information in mind while searching for Buenos Aires to Ontario flight deals. Data was last updated 30 October 2025.

Round-trip from

C$ 874

One-way from

C$ 401

Popular in

February

Cheapest in

June

Average price

C$ 1,426

Good one-way deal

C$ 779 or less
Arajet
  • Arajet
  • 9/12-27/12
  • 2 total stops
  • 28h 28m total
  • Buenos Aires to Ontario
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27/11
  • 27/11
  • 2 total stops
  • 26h 50m total
  • Buenos Aires to Ontario
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Highest demand for flights based on searches. 10% potential increase in price (C$ 260 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 46 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a one-way flight from Buenos Aires (BUE) to Ontario.
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Find flight deals from Buenos Aires to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Buenos Aires to Ontario
Explore the most affordable flight options available from Buenos Aires to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Tue 9/1211:20 a.m.EZE - YYZ
1 stop14h 35mArajet
Sat 27/1211:52 a.m.YYZ - EZE
1 stop13h 53mArajet
Deal found 29/10C$ 874
Tue 16/1211:20 a.m.EZE - YYZ
1 stop14h 35mArajet
Sat 27/1211:52 a.m.YYZ - EZE
1 stop13h 53mArajet
Deal found 29/10C$ 990
Mon 24/114:55 p.m.EZE - YYZ
2 stops23h 55mMultiple Airlines
Sat 29/1111:52 a.m.YYZ - EZE
1 stop13h 53mMultiple Airlines
Deal found 28/10C$ 1,064
Tue 9/1211:20 a.m.EZE - YYZ
1 stop14h 35mMultiple Airlines
Sat 27/126:10 p.m.YYZ - EZE
2 stops33h 55mMultiple Airlines
Deal found 29/10C$ 1,071
Thu 27/1111:20 a.m.EZE - YYZ
1 stop14h 35mMultiple Airlines
Thu 4/123:50 p.m.YYZ - EZE
2 stops21h 05mMultiple Airlines
Deal found 30/10C$ 1,072
Wed 10/122:45 a.m.EZE - YYZ
1 stop23h 10mArajet
Sat 27/1211:52 a.m.YYZ - EZE
1 stop13h 53mArajet
Deal found 29/10C$ 1,110
Thu 11/124:55 p.m.EZE - YYZ
2 stops23h 15mMultiple Airlines
Sat 27/1211:52 a.m.YYZ - EZE
1 stop13h 53mMultiple Airlines
Deal found 29/10C$ 1,123
Thu 20/117:30 a.m.EZE - YYZ
2 stops18h 25mMultiple Airlines
Wed 26/116:30 a.m.YYZ - EZE
1 stop15h 35mMultiple Airlines
Deal found 28/10C$ 1,134
Thu 20/115:45 a.m.AEP - YYZ
2 stops26h 50mMultiple Airlines
Wed 26/1110:55 p.m.YYZ - AEP
1 stop27h 25mMultiple Airlines
Deal found 28/10C$ 1,187
Tue 2/1211:20 p.m.EZE - YUL
2 stops17h 50mAmerican Airlines
Mon 8/122:29 p.m.YUL - EZE
2 stops17h 46mAmerican Airlines
Deal found 29/10C$ 1,187
Tue 2/125:15 p.m.AEP - YUL
1 stop27h 10mMultiple Airlines
Mon 8/126:45 a.m.YUL - AEP
2 stops38h 32mMultiple Airlines
Deal found 29/10C$ 1,218
Tue 2/128:55 p.m.EZE - YUL
1 stop22h 30mDelta
Mon 8/1212:40 p.m.YUL - EZE
1 stop18h 20mDelta
Deal found 29/10C$ 1,232

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buenos Aires 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 629,999 searches. Data last updated 30 October 2025.
Use the filters below to find and compare flights from Buenos Aires to Ontario that are best for you.

Fly from

Buenos Aires

Fly to

Ontario

Route

Depart

Return

Price

Buenos AiresMontreal

EZE - YUL

EZEYUL

Buenos Aires Ministro Pistarini

Tue 20/1

11:20 a.m.-12:15 a.m.

1 stop14h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

10:00 p.m.-3:50 p.m.

1 stop15h 50m

C$ 1,057

Buenos AiresToronto

EZE - YYZ

EZEYYZ

Buenos Aires Ministro Pistarini

Thu 27/11

11:20 a.m.-11:55 p.m.

1 stop14h 35m

Toronto Pearson Intl

Thu 4/12

3:50 p.m.-2:55 p.m.

2 stops21h 05m

C$ 1,072

Buenos AiresMontreal

EZE - YUL

EZEYUL

Buenos Aires Ministro Pistarini

Tue 2/12

11:20 p.m.-3:10 p.m.

2 stops17h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

2:29 p.m.-10:15 a.m.

2 stops17h 46m

C$ 1,187

Buenos AiresToronto

AEP - YYZ

AEPYYZ

Buenos Aires Jorge Newbery

Thu 20/11

5:45 a.m.-6:35 a.m.

2 stops26h 50m

Toronto Pearson Intl

Wed 26/11

10:55 p.m.-4:20 a.m.

1 stop27h 25m

C$ 1,187

Buenos AiresToronto

EZE - YYZ

EZEYYZ

Buenos Aires Ministro Pistarini

Thu 20/11

11:20 a.m.-11:55 p.m.

1 stop14h 35m

Toronto Pearson Intl

Wed 26/11

6:30 a.m.-12:05 a.m.

1 stop15h 35m

C$ 1,193

Buenos AiresMontreal

EZE - YUL

EZEYUL

Buenos Aires Ministro Pistarini

Tue 20/1

11:20 a.m.-12:15 a.m.

1 stop14h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

10:00 p.m.-2:50 a.m.

2 stops26h 50m

C$ 1,194

Buenos AiresMontreal

EZE - YUL

EZEYUL

Buenos Aires Ministro Pistarini

Thu 22/1

5:00 p.m.-8:35 p.m.

2 stops29h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

6:45 a.m.-12:05 a.m.

1 stop15h 20m

C$ 1,219

Buenos AiresToronto

EZE - YYZ

EZEYYZ

Buenos Aires Ministro Pistarini

Tue 20/1

11:20 a.m.-8:27 a.m.

2 stops23h 07m

Toronto Pearson Intl

Mon 9/3

12:55 a.m.-12:35 a.m.

1 stop22h 40m

C$ 1,220

Buenos AiresToronto

EZE - YYZ

EZEYYZ

Buenos Aires Ministro Pistarini

Mon 24/11

8:55 p.m.-5:15 p.m.

2 stops22h 20m

Toronto Pearson Intl

Fri 28/11

6:05 a.m.-7:20 a.m.

2 stops23h 15m

C$ 1,227

Buenos AiresMontreal

EZE - YUL

EZEYUL

Buenos Aires Ministro Pistarini

Tue 2/12

8:55 p.m.-5:25 p.m.

1 stop22h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

12:40 p.m.-9:00 a.m.

1 stop18h 20m

C$ 1,232

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 60 results
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Best time to book a flight from Buenos Aires to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Buenos Aires 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 Buenos Aires to Ontario

What is the cheapest month to book a flight from Buenos Aires to Region of Ontario?

Currently, September is the cheapest month in which you can book a flight from Buenos Aires to Region of Ontario (average of C$ 547). Flying from Buenos Aires to Region of Ontario in January is currently the most expensive (average of C$ 1,884). 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 BUE to ON?

Find hourly flight availability from Buenos Aires to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2025.

One of the essential ways to save on airfare from Buenos Aires to Region of Ontario is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 73% on airfare.

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 30 October 2025.
Read reviews from past customers who have flown Air Canada and Avianca from Buenos Aires to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,380 reviews
Check prices

Overall

7.1

Entertainment

6.8

Boarding

7.3

Food

6.3

Crew

7.8

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
Air Canada
7.1
Good
10,380 reviews
Air Canada
7.1
Good
10,380 reviews
Check prices

Overall

7.1

Entertainment

6.8

Boarding

7.3

Food

6.3

Crew

7.8

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
Avianca
6.6
Okay
2,467 reviews
Air Canada
7.1
Good
10,380 reviews
Check prices

Overall

7.1

Entertainment

6.8

Boarding

7.3

Food

6.3

Crew

7.8

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Buenos Aires to Region of Ontario?

    For as low as C$ 1,187, American Airlines can have you in Region of Ontario from Buenos Aires in 17h 50m. The distance from Buenos Aires to Region of Ontario is about 9051 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Buenos Aires to Region of Ontario one-way?

    To fly one-way, consider booking your trip with Arajet, which is currently one of the cheapest options available, starting at C$ 448. Avianca flights start at C$ 641 while deals on Air Canada start at C$ 779 one-way.

  • What are the most popular routes from Buenos Aires to Region of Ontario?

    The most popular flight routes from Buenos Aires to Region of Ontario are Buenos Aires Ministro Pistarini - Toronto Pearson Intl, Buenos Aires Jorge Newbery - Toronto Pearson Intl and Buenos Aires Ministro Pistarini - Toronto Island.

  • What are the cheapest flights from Buenos Aires to Region of Ontario?

    Looking for the cheapest flight from Buenos Aires to Region of Ontario? While on average our users pay C$ 779, our data indicates the cheapest price to be C$ 777. The most popular route (Buenos Aires Ministro Pistarini - Toronto Pearson Intl), is priced around C$ 874.

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

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

  • How can I find direct flights from Buenos Aires to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Buenos Aires 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 Buenos Aires to Region of Ontario?

    Currently, September is the cheapest month in which you can book a flight from Buenos Aires to Region of Ontario (average of C$ 547). Flying from Buenos Aires to Region of Ontario in January is currently the most expensive (average of C$ 1,884). 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 Buenos Aires to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Ministro Pistarini to Pearson Intl flights
Jorge Newbery to Pearson Intl flights
Ministro Pistarini to Vancouver Intl flights
Ministro Pistarini to Pierre Elliott Trudeau Intl flights
Jorge Newbery to Pierre Elliott Trudeau Intl flights
Ministro Pistarini to Ottawa flights
Mendoza to Pearson Intl flights
Cordoba to Vancouver Intl flights
Cordoba to Pierre Elliott Trudeau Intl flights
Mendoza to Pierre Elliott Trudeau Intl flights
Cordoba to Pearson Intl flights
Ministro Pistarini to Edmonton flights
Cordoba to Calgary flights
Ministro Pistarini to Winnipeg flights
Ministro Pistarini to Calgary flights
Rosario to Pierre Elliott Trudeau Intl flights
San Miguel de Tucumán to Vancouver Intl flights

Top 2 airlines flying from Buenos Aires to Ontario

Discover the top 2 airlines that operate flights from Buenos Aires to Ontario. 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 629,999 searches. Data last updated 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,298AverageC$ 1,569FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
AviancaCheapestC$ 1,300AverageC$ 1,397FlexibilityNo cancel feeOn-time71%
Search Avianca flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Buenos Aires to Ontario?

Cheapflights helps you search for flights from Buenos Aires to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Buenos Aires to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Buenos Aires to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Buenos Aires to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Buenos Aires to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Buenos Aires to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Buenos Aires to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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