Find flights
Deals
When to book
FAQs

Cheap flights from Ontario to Buenos Aires from C$ 505

YYZ — BUE
13 Nov — 20 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Buenos Aires

Tue 24/113:10 p.m. -
2 stops38h 10m
Wed 9/1211:55 p.m. -
2 stops39h 16m
Deal found 13/10C$ 993
Tue 17/116:10 a.m. -
1 stop23h 10m
Mon 7/1211:55 p.m. -
1 stop24h 43m
Deal found 13/10C$ 1,000
Sat 14/117:14 a.m. -
1 stop23h 26m
Sat 21/1110:25 p.m. -
1 stop16h 40m
Deal found 14/10C$ 1,002
Thu 26/116:10 a.m. -
1 stop23h 10m
Thu 3/1211:55 p.m. -
1 stop16h 22m
Deal found 12/10C$ 1,010
Tue 17/111:17 p.m. -
2 stops18h 43m
Mon 7/1211:59 p.m. -
2 stops19h 15m
Deal found 10/10C$ 1,013
Tue 17/1112:44 p.m. -
2 stops19h 56m
Sun 6/1210:50 p.m. -
2 stops20h 24m
Deal found 9/10C$ 1,015
Sun 22/116:10 a.m. -
1 stop25h 10m
Tue 24/1110:05 p.m. -
1 stop26h 32m
Deal found 12/10C$ 1,033
Tue 24/112:00 p.m. -
2 stops39h 20m
Fri 11/1210:05 p.m. -
2 stops23h 22m
Deal found 13/10C$ 1,046
Sat 14/1110:30 a.m. -
2 stops20h 50m
Sat 21/1110:05 p.m. -
2 stops23h 54m
Deal found 14/10C$ 1,046
Mon 30/112:00 p.m. -
2 stops39h 20m
Thu 3/1210:05 p.m. -
2 stops23h 22m
Deal found 12/10C$ 1,053
Fri 13/116:10 a.m. -
1 stop25h 10m
Thu 26/1111:55 p.m. -
2 stops20h 50m
Deal found 13/10C$ 1,053
Tue 20/102:45 p.m. -
2 stops40h 15m
Fri 13/1110:05 p.m. -
1 stop18h 12m
Deal found 10/10C$ 1,054

Find flight deals from Ontario to Buenos Aires

Round-trip from

C$ 993

One-way from

C$ 505

Popular in

December

Cheapest in

April

Average price

C$ 1,249

Good round-trip deal

C$ 1,430 or less

Good one-way deal

C$ 646 or less
United Airlines
  • United Airlines
  • 24/11-9/12
  • 4 total stops
  • 77h 26m total
  • Ontario to Buenos Aires
Search Deals
United Airlines
  • United Airlines
  • 25/11-31/12
  • 2 total stops
  • 22h 45m total
  • Ontario to Buenos Aires
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Buenos Aires (BUE).
Search Deals
Price to beat on a one-way flight from Ontario to Buenos Aires (BUE).
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ontario to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Sat 9/1

6:10 a.m.-9:20 a.m.

1 stop25h 10m

Buenos Aires Ministro Pistarini

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 505

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Fri 27/11

9:45 a.m.-9:20 a.m.

2 stops21h 35m

Buenos Aires Ministro Pistarini

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 515

TorontoBuenos Aires

YYZ Toronto Pearson Intl - AEP Buenos Aires Jorge Newbery

YYZAEP

Toronto Pearson Intl

Mon 23/11

7:35 a.m.-11:00 a.m.

3 stops49h 25m

Buenos Aires Jorge Newbery

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 568

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Tue 20/10

9:44 a.m.-8:00 a.m.

2 stops21h 16m

Buenos Aires Ministro Pistarini

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 610

TorontoBuenos Aires

YYZ Toronto Pearson Intl - AEP Buenos Aires Jorge Newbery

YYZAEP

Toronto Pearson Intl

Wed 25/11

7:20 a.m.-11:20 a.m.

2 stops26h 00m

Buenos Aires Jorge Newbery

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 613

TorontoBuenos Aires

YTZ Toronto Island - AEP Buenos Aires Jorge Newbery

YTZAEP

Toronto Island

Fri 27/11

10:50 a.m.-3:30 p.m.

2 stops26h 40m

Buenos Aires Jorge Newbery

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 616

TorontoBuenos Aires

YTZ Toronto Island - AEP Buenos Aires Jorge Newbery

YTZAEP

Toronto Island

Tue 24/11

10:50 a.m.-11:20 a.m.

2 stops22h 30m

Buenos Aires Jorge Newbery

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 635

LondonBuenos Aires

YXU London - EZE Buenos Aires Ministro Pistarini

YXUEZE

London

Fri 27/11

9:15 a.m.-7:20 a.m.

2 stops20h 05m

Buenos Aires Ministro Pistarini

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 637
Quickest round-trip

TorontoBuenos Aires

YYZ Toronto Pearson Intl - AEP Buenos Aires Jorge Newbery

YYZAEP

Toronto Pearson Intl

Tue 24/11

10:35 p.m.-6:40 p.m.

1 stop18h 05m

Buenos Aires Jorge Newbery

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 652

TorontoBuenos Aires

YYZ Toronto Pearson Intl - AEP Buenos Aires Jorge Newbery

YYZAEP

Toronto Pearson Intl

Mon 26/10

11:35 p.m.-8:40 p.m.

1 stop20h 05m

Buenos Aires Jorge Newbery

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 667

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/10

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Ontario to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Ontario with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ontario to Buenos Aires

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

Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Buenos Aires (average of C$ 1,211). Flying from Region of Ontario to Buenos Aires in December is currently the most expensive (average of C$ 1,515). 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 ON to BUE?

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

How much does it cost to fly round-trip from Region of Ontario to Buenos Aires?

Airfare is below average for this route at the moment.
Region of Ontario to Buenos Aires flights typically cost between C$ 1,195 and C$ 1,394 in November.
The cheapest round-trip price found within the last 5 days was C$ 1,000 on United Airlines (17 Nov-7 Dec).

How far ahead should I book a flight from Region of Ontario to Buenos Aires?

The best time to book flights from Region of Ontario to Buenos Aires is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

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

    United Airlines and Delta can get you from Region of Ontario to Buenos Aires in just under 19h 56m. Your travel time can differ by up to 18h 14m. There are 8954 km between Region of Ontario and Buenos Aires. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    When deciding which route to take from Region of Ontario to Buenos Aires consider Toronto Pearson Intl - Buenos Aires Ministro Pistarini, Montreal Pierre Elliott Trudeau Intl - Buenos Aires Ministro Pistarini or Toronto Pearson Intl - Buenos Aires Jorge Newbery as they are the most popular.

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

    While on average a flight from Region of Ontario to Buenos Aires is generally C$ 1,108, our data shows the cheapest flight currently is C$ 646. When looking at the most popular route, (Toronto Pearson Intl - Buenos Aires Ministro Pistarini), you can expect to pay C$ 969 for that flight.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Buenos Aires (average of C$ 1,211). Flying from Region of Ontario to Buenos Aires in December is currently the most expensive (average of C$ 1,515). 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

Top 8 airlines flying from Ontario to Buenos Aires

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 644AverageC$ 1,291FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Copa AirlinesCheapestC$ 692AverageC$ 1,205FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
ArajetCheapestC$ 776AverageC$ 1,334FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
AviancaCheapestC$ 845AverageC$ 1,316FlexibilityNo cancel feeOn-time71%
Search Avianca flights
American AirlinesCheapestC$ 891AverageC$ 1,156FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 1,084AverageC$ 1,275FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,156AverageC$ 1,614FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LATAM AirlinesCheapestC$ 1,226AverageC$ 1,430FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Ontario to Buenos Aires 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 Ontario to Buenos Aires?

Cheapflights helps you find that perfect flight to Buenos Aires from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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

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

Yes! Start tracking prices for Ontario to Buenos Aires flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.