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Cheap flights from Ontario to Buenos Aires from C$ 405

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Buenos Aires departing on 21/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
12:15 p.m. - 10:15 a.m.
YYZ
-
EZE
21h 00m1 stop
LATAM Airlines Logo
12:00 p.m. - 5:00 p.m.
EZE
-
YYZ
30h 00m2 stops
C$ 994LATAM Airlines
Tue, 17 Mar - Tue, 24 Mar
Multiple Airlines Logo
11:50 p.m. - 7:00 p.m.
YYZ
-
EZE
18h 10m2 stops
Multiple Airlines Logo
8:50 a.m. - 11:55 p.m.
EZE
-
YYZ
16h 05m1 stop
C$ 1,006Multiple Airlines
Tue, 7 Apr - Tue, 21 Apr
LATAM Airlines Logo
12:07 p.m. - 10:15 a.m.
YYZ
-
EZE
20h 08m1 stop
LATAM Airlines Logo
12:15 p.m. - 5:04 p.m.
EZE
-
YYZ
30h 49m2 stops
C$ 1,013LATAM Airlines
Mon, 12 Jan - Sun, 1 Feb
Avianca Logo
5:00 p.m. - 3:50 p.m.
YYZ
-
EZE
21h 50m2 stops
Avianca Logo
6:50 a.m. - 10:30 p.m.
EZE
-
YYZ
16h 40m1 stop
C$ 1,021Avianca
Thu, 19 Mar - Thu, 16 Apr
Avianca Logo
6:35 a.m. - 5:50 a.m.
YYZ
-
EZE
21h 15m2 stops
Avianca Logo
7:30 a.m. - 10:35 p.m.
EZE
-
YYZ
17h 05m1 stop
C$ 1,024Avianca
Tue, 20 Jan - Thu, 12 Feb
American Airlines Logo
12:59 p.m. - 8:00 a.m.
YUL
-
EZE
18h 01m2 stops
American Airlines Logo
10:20 p.m. - 11:28 p.m.
EZE
-
YUL
26h 08m1 stop
C$ 1,081American Airlines
Wed, 25 Mar - Tue, 14 Apr
United Airlines Logo
6:00 a.m. - 9:20 a.m.
YUL
-
EZE
25h 20m2 stops
United Airlines Logo
10:05 p.m. - 3:16 p.m.
EZE
-
YUL
19h 11m2 stops
C$ 1,084United Airlines
Sat, 21 Feb - Tue, 3 Mar
United Airlines Logo
4:45 p.m. - 7:20 a.m.
YUL
-
EZE
36h 35m2 stops
United Airlines Logo
9:05 p.m. - 9:17 p.m.
EZE
-
YUL
25h 12m2 stops
C$ 1,086United Airlines
Sat, 7 Feb - Mon, 9 Mar
Copa Airlines Logo
7:35 a.m. - 1:04 a.m.
YUL
-
EZE
15h 29m1 stop
Copa Airlines Logo
3:47 a.m. - 12:39 a.m.
EZE
-
YUL
21h 52m1 stop
C$ 1,089Copa Airlines
Mon, 9 Feb - Sun, 15 Mar
American Airlines Logo
7:30 a.m. - 7:10 a.m.
YUL
-
EZE
22h 40m2 stops
American Airlines Logo
8:25 p.m. - 9:37 p.m.
EZE
-
YUL
26h 12m2 stops
C$ 1,091American Airlines
Tue, 24 Mar - Tue, 7 Apr

LATAM Airlines flights from Region of Ontario to Buenos Aires

Our best LATAM Airlines deals on Region of Ontario to Buenos Aires flight tickets
LATAM Airlines
17 Mar
YYZ12:15 p.m.Toronto Pearson Intl
21h 00m
1 stop
EZE10:15 a.m.Buenos Aires Ministro Pistarini
24 Mar
EZE12:00 p.m.Buenos Aires Ministro Pistarini
30h 00m
2 stops
YYZ5:00 p.m.Toronto Pearson Intl
C$ 994
LATAM Airlines
12 Jan
YYZ12:07 p.m.Toronto Pearson Intl
20h 08m
1 stop
EZE10:15 a.m.Buenos Aires Ministro Pistarini
1 Feb
EZE12:15 p.m.Buenos Aires Ministro Pistarini
30h 49m
2 stops
YYZ5:04 p.m.Toronto Pearson Intl
C$ 1,013
LATAM Airlines
17 Mar
YYZ7:45 a.m.Toronto Pearson Intl
24h 50m
2 stops
EZE9:35 a.m.Buenos Aires Ministro Pistarini
24 Mar
EZE2:45 p.m.Buenos Aires Ministro Pistarini
27h 39m
2 stops
YYZ5:24 p.m.Toronto Pearson Intl
C$ 1,045

Copa Airlines flights from Region of Ontario to Buenos Aires

Our best Copa Airlines deals on Region of Ontario to Buenos Aires flight tickets
Copa Airlines
16 Mar
YYZ8:30 a.m.Toronto Pearson Intl
15h 32m
1 stop
EZE1:02 a.m.Buenos Aires Ministro Pistarini
23 Mar
EZE5:16 a.m.Buenos Aires Ministro Pistarini
20h 59m
1 stop
YYZ1:15 a.m.Toronto Pearson Intl
C$ 1,033
Copa Airlines
16 Mar
YYZ8:30 a.m.Toronto Pearson Intl
13h 28m
1 stop
EZE10:58 p.m.Buenos Aires Ministro Pistarini
23 Mar
EZE5:16 a.m.Buenos Aires Ministro Pistarini
20h 59m
1 stop
YYZ1:15 a.m.Toronto Pearson Intl
C$ 1,035
Copa Airlines
6 Mar
YYZ8:30 a.m.Toronto Pearson Intl
17h 48m
1 stop
EZE4:18 a.m.Buenos Aires Ministro Pistarini
16 Mar
EZE9:16 a.m.Buenos Aires Ministro Pistarini
16h 59m
1 stop
YYZ1:15 a.m.Toronto Pearson Intl
C$ 1,052

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Buenos Aires 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, momondo users made 96,600 searches. Data last updated 8 January 2026.
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

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 17/3

12:15 p.m.-10:15 a.m.

1 stop21h 00m

Buenos Aires Ministro Pistarini

Tue 24/3

12:00 p.m.-5:00 p.m.

2 stops30h 00m

C$ 994

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 7/4

11:50 p.m.-7:00 p.m.

2 stops18h 10m

Buenos Aires Ministro Pistarini

Tue 21/4

8:50 a.m.-11:55 p.m.

1 stop16h 05m

C$ 1,006

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 12/1

12:07 p.m.-10:15 a.m.

1 stop20h 08m

Buenos Aires Ministro Pistarini

Sun 1/2

12:15 p.m.-5:04 p.m.

2 stops30h 49m

C$ 1,013

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 19/3

5:00 p.m.-3:50 p.m.

2 stops21h 50m

Buenos Aires Ministro Pistarini

Thu 16/4

6:50 a.m.-10:30 p.m.

1 stop16h 40m

C$ 1,021

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 20/1

6:35 a.m.-5:50 a.m.

2 stops21h 15m

Buenos Aires Ministro Pistarini

Thu 12/2

7:30 a.m.-10:35 p.m.

1 stop17h 05m

C$ 1,024

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

12:59 p.m.-8:00 a.m.

2 stops18h 01m

Buenos Aires Ministro Pistarini

Tue 14/4

10:20 p.m.-11:28 p.m.

1 stop26h 08m

C$ 1,081

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

6:00 a.m.-9:20 a.m.

2 stops25h 20m

Buenos Aires Ministro Pistarini

Tue 3/3

10:05 p.m.-3:16 p.m.

2 stops19h 11m

C$ 1,084

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sat 7/2

4:45 p.m.-7:20 a.m.

2 stops36h 35m

Buenos Aires Ministro Pistarini

Mon 9/3

9:05 p.m.-9:17 p.m.

2 stops25h 12m

C$ 1,086

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

7:35 a.m.-1:04 a.m.

1 stop15h 29m

Buenos Aires Ministro Pistarini

Sun 15/3

3:47 a.m.-12:39 a.m.

1 stop21h 52m

C$ 1,089

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

7:30 a.m.-7:10 a.m.

2 stops22h 40m

Buenos Aires Ministro Pistarini

Tue 7/4

8:25 p.m.-9:37 p.m.

2 stops26h 12m

C$ 1,091

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Region of Ontario to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Region of Ontario is in September. Flight prices, which tend to average around C$ 1,082, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in September, then June is your next best option. Flight prices from Region of Ontario to Buenos Aires during June average around C$ 1,102.

What is the cheapest Ontario to Buenos Aires flight route?

Fly from Toronto Pearson Intl to Buenos Aires Ministro Pistarini for the best Ontario - Buenos Aires flight prices

How far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around C$ 1,204 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Region of Ontario for as low as C$ 970 on momondo.

What cabin class options are available on Ontario to Buenos Aires flights?

There is only 1 cabin class available to choose from on Ontario to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Region of Ontario to Buenos Aires flights?

You could potentially save up to 16% on your flight if you consider stops on a Region of Ontario to Buenos Aires flight.

Cheap Region of Ontario to Buenos Aires flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Buenos Aires

Fastest flight time

14h 30m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Buenos Aires

2 airports
The fastest flight from Region of Ontario to Buenos Aires takes 14h 30m
Direct flights go from Region of Ontario to Buenos Aires on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There are 2 airports in Buenos Aires. From Region of Ontario there are direct flights to Buenos Aires Ministro Pistarini (EZE).
Search flight deals

  • When did momondo last update prices for flights from Ontario to Buenos Aires?

    Prices for flights from Ontario to Buenos Aires were last updated today.

  • How many operators does momondo search for flights from Ontario to Buenos Aires?

  • How old do you have to be to fly from Ontario to Buenos Aires?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Region of Ontario to Buenos Aires?

Best airlines flying from Region of Ontario to Buenos Aires

Compare and see reviews for airlines that fly from Region of Ontario to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom C$ 305Free CancellationRating
7.5
1,901 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom C$ 604Free CancellationRating
7.4
9,142 reviews
Search United Airlines flights
Copa AirlinesPriceFrom C$ 748Free CancellationRating
7.6
1,562 reviews
Search Copa Airlines flights
ArajetPriceFrom C$ 785Free CancellationRating
6.4
41 reviews
Search Arajet flights
DeltaPriceFrom C$ 792Free CancellationRating
7.9
8,032 reviews
Search Delta flights
AviancaPriceFrom C$ 935Free CancellationRating
6.6
2,490 reviews
Search Avianca flights
Air CanadaPriceFrom C$ 1,082Free CancellationRating
7.1
10,603 reviews
Search Air Canada flights
American AirlinesPriceFrom C$ 1,208Free CancellationRating
7.2
11,097 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Buenos Aires?

Finding the right flight to Buenos Aires from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.

Can I find flights from Ontario to Buenos Aires with flexible booking policies on momondo?

momondo does allow users to show only those flights to Buenos Aires from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Buenos Aires?

Once all potential Ontario to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Buenos Aires right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know when they change.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 27.4 km from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport