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Cheap flights from Ontario to Buenos Aires from C$ 426

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 27/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
Arajet Logo
12:40 p.m. - 4:10 a.m.
YYZ
-
EZE
14h 30m
1 stop
Arajet Logo
9:15 p.m. - 11:40 a.m.
EZE
-
YYZ
15h 25m
1 stop
C$ 995Arajet
Sat, 22 Aug - Fri, 25 Sep
Arajet Logo
6:30 a.m. - 12:05 a.m.
YYZ
-
EZE
16h 35m
1 stop
Arajet Logo
11:00 a.m. - 11:55 p.m.
EZE
-
YYZ
13h 55m
1 stop
C$ 999Arajet
Wed, 19 Aug - Tue, 22 Sep
Multiple Airlines Logo
6:45 a.m. - 4:00 a.m.
YUL
-
EZE
20h 15m
2 stops
Multiple Airlines Logo
11:00 a.m. - 12:20 a.m.
EZE
-
YUL
14h 20m
1 stop
C$ 1,065Multiple Airlines
Fri, 4 Sep - Thu, 24 Sep
Multiple Airlines Logo
6:30 a.m. - 8:30 a.m.
YYZ
-
AEP
25h 00m
2 stops
Multiple Airlines Logo
9:30 p.m. - 2:05 p.m.
AEP
-
YYZ
41h 35m
3 stops
C$ 1,087Multiple Airlines
Mon, 27 Apr - Tue, 12 May
Copa Airlines Logo
8:30 a.m. - 12:50 a.m.
YYZ
-
EZE
15h 20m
1 stop
Copa Airlines Logo
5:25 a.m. - 1:13 a.m.
EZE
-
YYZ
20h 48m
1 stop
C$ 1,098Copa Airlines
Mon, 27 Apr - Tue, 12 May
Copa Airlines Logo
8:30 a.m. - 2:30 a.m.
YYZ
-
EZE
17h 00m
1 stop
Copa Airlines Logo
5:25 a.m. - 1:13 a.m.
EZE
-
YYZ
20h 48m
1 stop
C$ 1,099Copa Airlines
Mon, 4 May - Thu, 28 May
Avianca Logo
11:00 p.m. - 5:40 a.m.
YUL
-
AEP
29h 40m
1 stop
Avianca Logo
7:00 a.m. - 9:35 p.m.
AEP
-
YUL
15h 35m
1 stop
C$ 1,172Avianca
Thu, 30 Apr - Wed, 13 May
Avianca Logo
11:00 p.m. - 5:40 a.m.
YUL
-
AEP
29h 40m
1 stop
Avianca Logo
7:00 a.m. - 9:35 p.m.
AEP
-
YUL
15h 35m
1 stop
C$ 1,173Avianca
Thu, 30 Apr - Wed, 13 May
United Airlines Logo
6:05 a.m. - 8:00 a.m.
YOW
-
EZE
24h 55m
2 stops
United Airlines Logo
9:00 p.m. - 10:03 a.m.
EZE
-
YOW
38h 03m
2 stops
C$ 1,188United Airlines
Thu, 14 May - Thu, 28 May
United Airlines Logo
6:00 a.m. - 8:00 a.m.
YOW
-
EZE
25h 00m
2 stops
United Airlines Logo
9:00 p.m. - 10:03 a.m.
EZE
-
YOW
38h 03m
2 stops
C$ 1,206United Airlines
Wed, 17 Jun - Wed, 1 Jul

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
27 Apr
YYZ8:30 a.m.Toronto Pearson Intl
15h 20m
1 stop
EZE12:50 a.m.Buenos Aires Ministro Pistarini
12 May
EZE5:25 a.m.Buenos Aires Ministro Pistarini
20h 48m
1 stop
YYZ1:13 a.m.Toronto Pearson Intl
C$ 1,098
Copa Airlines
23 Apr
YYZ8:30 a.m.Toronto Pearson Intl
15h 20m
1 stop
EZE12:50 a.m.Buenos Aires Ministro Pistarini
7 May
EZE9:02 a.m.Buenos Aires Ministro Pistarini
17h 11m
1 stop
YYZ1:13 a.m.Toronto Pearson Intl
C$ 1,099
Copa Airlines
6 May
YYZ8:30 a.m.Toronto Pearson Intl
15h 20m
1 stop
EZE12:50 a.m.Buenos Aires Ministro Pistarini
27 May
EZE5:25 a.m.Buenos Aires Ministro Pistarini
20h 48m
1 stop
YYZ1:13 a.m.Toronto Pearson Intl
C$ 1,106

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
14 May
YOW6:05 a.m.Ottawa
24h 55m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
28 May
EZE9:00 p.m.Buenos Aires Ministro Pistarini
38h 03m
2 stops
YOW10:03 a.m.Ottawa
C$ 1,188
United Airlines
4 May
YYZ3:53 p.m.Toronto Pearson Intl
15h 07m
1 stop
EZE8:00 a.m.Buenos Aires Ministro Pistarini
25 May
EZE9:00 p.m.Buenos Aires Ministro Pistarini
39h 49m
2 stops
YYZ11:49 a.m.Toronto Pearson Intl
C$ 1,196
United Airlines
30 Apr
YYZ7:00 a.m.Toronto Pearson Intl
24h 00m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
7 May
EZE9:00 p.m.Buenos Aires Ministro Pistarini
21h 56m
2 stops
YYZ5:56 p.m.Toronto Pearson Intl
C$ 1,198

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 19 March 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

Cheapest round-trip
Quickest round-trip

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sat 22/8

12:40 p.m.-4:10 a.m.

1 stop14h 30m

Buenos Aires Ministro Pistarini

Fri 25/9

9:15 p.m.-11:40 a.m.

1 stop15h 25m

C$ 995

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 19/8

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

1 stop16h 35m

Buenos Aires Ministro Pistarini

Tue 22/9

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

1 stop13h 55m

C$ 999

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

6:45 a.m.-4:00 a.m.

2 stops20h 15m

Buenos Aires Ministro Pistarini

Thu 24/9

11:00 a.m.-12:20 a.m.

1 stop14h 20m

C$ 1,065

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Mon 27/4

6:30 a.m.-8:30 a.m.

2 stops25h 00m

Buenos Aires Jorge Newbery

Tue 12/5

9:30 p.m.-2:05 p.m.

3 stops41h 35m

C$ 1,087

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 27/4

8:30 a.m.-12:50 a.m.

1 stop15h 20m

Buenos Aires Ministro Pistarini

Tue 12/5

5:25 a.m.-1:13 a.m.

1 stop20h 48m

C$ 1,098

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 4/5

8:30 a.m.-2:30 a.m.

1 stop17h 00m

Buenos Aires Ministro Pistarini

Thu 28/5

5:25 a.m.-1:13 a.m.

1 stop20h 48m

C$ 1,099

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

11:00 p.m.-5:40 a.m.

1 stop29h 40m

Buenos Aires Jorge Newbery

Wed 13/5

7:00 a.m.-9:35 p.m.

1 stop15h 35m

C$ 1,172

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

11:00 p.m.-5:40 a.m.

1 stop29h 40m

Buenos Aires Jorge Newbery

Wed 13/5

7:00 a.m.-9:35 p.m.

1 stop15h 35m

C$ 1,173

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Thu 14/5

6:05 a.m.-8:00 a.m.

2 stops24h 55m

Buenos Aires Ministro Pistarini

Thu 28/5

9:00 p.m.-10:03 a.m.

2 stops38h 03m

C$ 1,188

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Wed 17/6

6:00 a.m.-8:00 a.m.

2 stops25h 00m

Buenos Aires Ministro Pistarini

Wed 1/7

9:00 p.m.-10:03 a.m.

2 stops38h 03m

C$ 1,206

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$ 1,088, 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$ 1,091.

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$ 943 on momondo.

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

There are 2 cabin classes 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 28% 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$ 1,146

Fastest flight time

14h 35m

Direct flights

Mon, Wed, Thu, Fri and Sat

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$ 1,146
The fastest flight from Region of Ontario to Buenos Aires takes 14h 35m
Direct flights go from Region of Ontario to Buenos Aires on Monday, Wednesday, Thursday, Friday and Saturday. 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$ 302Free CancellationRating
7.4
1,915 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom C$ 587Free CancellationRating
7.4
9,444 reviews
Search United Airlines flights
Copa AirlinesPriceFrom C$ 731Free CancellationRating
7.5
1,573 reviews
Search Copa Airlines flights
ArajetPriceFrom C$ 778Free CancellationRating
6.4
46 reviews
Search Arajet flights
DeltaPriceFrom C$ 785Free CancellationRating
7.9
8,303 reviews
Search Delta flights
AviancaPriceFrom C$ 883Free CancellationRating
6.5
2,503 reviews
Search Avianca flights
Air CanadaPriceFrom C$ 1,073Free CancellationRating
7.1
10,818 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