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Cheap flights from Ontario to Buenos Aires from C$ 420

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 15/4. 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
6:14 p.m. - 10:15 a.m.
YYZ
-
EZE
15h 01m
1 stop
LATAM Airlines Logo
7:04 p.m. - 5:00 p.m.
EZE
-
YYZ
22h 56m
2 stops
C$ 1,005LATAM Airlines
Wed, 18 Mar - Wed, 25 Mar
Avianca Logo
12:55 a.m. - 3:40 p.m.
YYZ
-
EZE
13h 45m
1 stop
Avianca Logo
4:50 p.m. - 7:15 a.m.
EZE
-
YYZ
15h 25m
1 stop
C$ 1,011Avianca
Wed, 1 Apr - Thu, 16 Apr
Multiple Airlines Logo
12:55 a.m. - 3:40 p.m.
YYZ
-
EZE
13h 45m
1 stop
Multiple Airlines Logo
11:00 a.m. - 11:55 p.m.
EZE
-
YYZ
13h 55m
1 stop
C$ 1,035Multiple Airlines
Mon, 18 May - Thu, 28 May
Copa Airlines Logo
8:30 a.m. - 4:30 a.m.
YYZ
-
EZE
19h 00m
1 stop
Copa Airlines Logo
9:11 a.m. - 1:13 a.m.
EZE
-
YYZ
17h 02m
1 stop
C$ 1,037Copa Airlines
Thu, 2 Apr - Mon, 20 Apr
Multiple Airlines Logo
6:30 a.m. - 10:00 a.m.
YYZ
-
AEP
26h 30m
2 stops
Multiple Airlines Logo
5:30 p.m. - 7:10 p.m.
AEP
-
YYZ
26h 40m
1 stop
C$ 1,085Multiple Airlines
Wed, 1 Apr - Wed, 22 Apr
United Airlines Logo
9:45 a.m. - 8:00 a.m.
YUL
-
EZE
21h 15m
2 stops
United Airlines Logo
9:00 p.m. - 4:10 p.m.
EZE
-
YUL
20h 10m
2 stops
C$ 1,088United Airlines
Tue, 7 Apr - Tue, 14 Apr
Copa Airlines Logo
8:41 a.m. - 7:55 a.m.
YUL
-
EZE
22h 14m
1 stop
Copa Airlines Logo
5:32 a.m. - 12:40 a.m.
EZE
-
YUL
20h 08m
1 stop
C$ 1,089Copa Airlines
Sun, 22 Mar - Sun, 29 Mar
United Airlines Logo
2:20 p.m. - 8:00 a.m.
YUL
-
EZE
40h 40m
2 stops
United Airlines Logo
9:00 p.m. - 9:26 p.m.
EZE
-
YUL
25h 26m
2 stops
C$ 1,095United Airlines
Thu, 2 Apr - Sun, 12 Apr
Air Canada Logo
8:00 p.m. - 2:30 p.m.
YOW
-
EZE
17h 30m
2 stops
Air Canada Logo
4:30 p.m. - 11:04 a.m.
EZE
-
YOW
19h 34m
2 stops
C$ 1,143Air Canada
Tue, 31 Mar - Wed, 15 Apr
Air Canada Logo
5:45 a.m. - 2:30 p.m.
YOW
-
EZE
31h 45m
2 stops
Air Canada Logo
4:30 p.m. - 11:04 a.m.
EZE
-
YOW
19h 34m
2 stops
C$ 1,145Air Canada
Fri, 3 Apr - Sat, 25 Apr

United Airlines flights from Region of Ontario to Buenos Aires

Our best United Airlines deals on Region of Ontario to Buenos Aires flight tickets
United Airlines
19 May
YYZ8:50 a.m.Toronto Pearson Intl
22h 10m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
28 May
EZE9:00 p.m.Buenos Aires Ministro Pistarini
27h 23m
2 stops
YYZ11:23 p.m.Toronto Pearson Intl
C$ 1,084
United Airlines
28 Apr
YYZ1:00 p.m.Toronto Pearson Intl
18h 00m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
12 May
EZE9:00 p.m.Buenos Aires Ministro Pistarini
19h 46m
2 stops
YYZ3:46 p.m.Toronto Pearson Intl
C$ 1,087
United Airlines
7 Apr
YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl
21h 15m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
14 Apr
EZE9:00 p.m.Buenos Aires Ministro Pistarini
20h 10m
2 stops
YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,088

Avianca flights from Region of Ontario to Buenos Aires

Our best Avianca deals on Region of Ontario to Buenos Aires flight tickets
Avianca
1 Apr
YYZ12:55 a.m.Toronto Pearson Intl
13h 45m
1 stop
EZE3:40 p.m.Buenos Aires Ministro Pistarini
16 Apr
EZE4:50 p.m.Buenos Aires Ministro Pistarini
15h 25m
1 stop
YYZ7:15 a.m.Toronto Pearson Intl
C$ 1,011
Avianca
1 Apr
YYZ12:55 a.m.Toronto Pearson Intl
13h 45m
1 stop
EZE3:40 p.m.Buenos Aires Ministro Pistarini
16 Apr
EZE7:10 a.m.Buenos Aires Ministro Pistarini
17h 20m
1 stop
YYZ11:30 p.m.Toronto Pearson Intl
C$ 1,017
Avianca
1 Apr
YYZ12:55 a.m.Toronto Pearson Intl
13h 45m
1 stop
EZE3:40 p.m.Buenos Aires Ministro Pistarini
16 Apr
EZE7:10 a.m.Buenos Aires Ministro Pistarini
17h 20m
1 stop
YYZ11:30 p.m.Toronto Pearson Intl
C$ 1,018

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 9 February 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

Wed 18/3

6:14 p.m.-10:15 a.m.

1 stop15h 01m

Buenos Aires Ministro Pistarini

Wed 25/3

7:04 p.m.-5:00 p.m.

2 stops22h 56m

C$ 1,005

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 1/4

12:55 a.m.-3:40 p.m.

1 stop13h 45m

Buenos Aires Ministro Pistarini

Thu 16/4

4:50 p.m.-7:15 a.m.

1 stop15h 25m

C$ 1,011

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 18/5

12:55 a.m.-3:40 p.m.

1 stop13h 45m

Buenos Aires Ministro Pistarini

Thu 28/5

11:00 a.m.-11:55 p.m.

1 stop13h 55m

C$ 1,035

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 2/4

8:30 a.m.-4:30 a.m.

1 stop19h 00m

Buenos Aires Ministro Pistarini

Mon 20/4

9:11 a.m.-1:13 a.m.

1 stop17h 02m

C$ 1,037

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Wed 1/4

6:30 a.m.-10:00 a.m.

2 stops26h 30m

Buenos Aires Jorge Newbery

Wed 22/4

5:30 p.m.-7:10 p.m.

1 stop26h 40m

C$ 1,085

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

9:45 a.m.-8:00 a.m.

2 stops21h 15m

Buenos Aires Ministro Pistarini

Tue 14/4

9:00 p.m.-4:10 p.m.

2 stops20h 10m

C$ 1,088

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

8:41 a.m.-7:55 a.m.

1 stop22h 14m

Buenos Aires Ministro Pistarini

Sun 29/3

5:32 a.m.-12:40 a.m.

1 stop20h 08m

C$ 1,089

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 2/4

2:20 p.m.-8:00 a.m.

2 stops40h 40m

Buenos Aires Ministro Pistarini

Sun 12/4

9:00 p.m.-9:26 p.m.

2 stops25h 26m

C$ 1,095

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 31/3

8:00 p.m.-2:30 p.m.

2 stops17h 30m

Buenos Aires Ministro Pistarini

Wed 15/4

4:30 p.m.-11:04 a.m.

2 stops19h 34m

C$ 1,143

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Fri 3/4

5:45 a.m.-2:30 p.m.

2 stops31h 45m

Buenos Aires Ministro Pistarini

Sat 25/4

4:30 p.m.-11:04 a.m.

2 stops19h 34m

C$ 1,145

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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$ 1,073, 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$ 1,089.

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$ 1,203 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$ 940 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 23% 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

Best price found

C$ 1,553

Fastest flight time

14h 20m

Direct flights

Mon, Wed, Fri, Sat and Sun

Airports in Buenos Aires

2 airports
The best flight deal from Region of Ontario to Buenos Aires found on momondo in the last 72 hours is C$ 1,553
The fastest flight from Region of Ontario to Buenos Aires takes 14h 20m
Direct flights go from Region of Ontario to Buenos Aires on Monday, Wednesday, 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$ 301Free CancellationRating
7.5
1,917 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom C$ 586Free CancellationRating
7.4
9,257 reviews
Search United Airlines flights
Copa AirlinesPriceFrom C$ 730Free CancellationRating
7.5
1,556 reviews
Search Copa Airlines flights
ArajetPriceFrom C$ 776Free CancellationRating
6.6
43 reviews
Search Arajet flights
DeltaPriceFrom C$ 783Free CancellationRating
7.9
8,173 reviews
Search Delta flights
AviancaPriceFrom C$ 891Free CancellationRating
6.5
2,498 reviews
Search Avianca flights
Air CanadaPriceFrom C$ 1,069Free CancellationRating
7.1
10,698 reviews
Search Air Canada 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