Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Buenos Aires from C$ 297

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 10/6. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Arajet Logo
6:30 a.m. - 12:05 a.m.
YYZ
-
EZE
16h 35m
1 stop
Arajet Logo
8:40 a.m. - 11:45 p.m.
EZE
-
YYZ
16h 05m
1 stop
C$ 955Arajet
Wed, 24 Jun - Sun, 28 Jun
Multiple Airlines Logo
6:30 a.m. - 12:05 a.m.
YYZ
-
EZE
16h 35m
1 stop
Multiple Airlines Logo
3:55 a.m. - 1:13 a.m.
EZE
-
YYZ
22h 18m
2 stops
C$ 980Multiple Airlines
Wed, 10 Jun - Tue, 23 Jun
Copa Airlines Logo
8:30 a.m. - 4:31 a.m.
YYZ
-
EZE
19h 01m
1 stop
Copa Airlines Logo
3:48 a.m. - 1:13 a.m.
EZE
-
YYZ
22h 25m
1 stop
C$ 1,033Copa Airlines
Tue, 26 May - Mon, 1 Jun
Copa Airlines Logo
8:30 a.m. - 2:30 a.m.
YYZ
-
EZE
17h 00m
1 stop
Copa Airlines Logo
9:02 a.m. - 1:13 a.m.
EZE
-
YYZ
17h 11m
1 stop
C$ 1,034Copa Airlines
Thu, 13 Aug - Thu, 20 Aug
Air Canada Logo
10:05 p.m. - 2:30 p.m.
YYZ
-
EZE
15h 25m
1 stop
Air Canada Logo
4:35 p.m. - 6:53 p.m.
EZE
-
YYZ
27h 18m
2 stops
C$ 1,037Air Canada
Sun, 4 Oct - Sat, 10 Oct
Air Canada Logo
4:40 p.m. - 2:30 p.m.
YUL
-
EZE
20h 50m
2 stops
Air Canada Logo
4:45 p.m. - 9:23 a.m.
EZE
-
YUL
18h 38m
2 stops
C$ 1,058Air Canada
Tue, 20 Oct - Sat, 21 Nov
Delta Logo
6:15 p.m. - 4:00 p.m.
YUL
-
AEP
20h 45m
2 stops
Delta Logo
8:05 p.m. - 11:44 a.m.
AEP
-
YUL
40h 39m
2 stops
C$ 1,189Delta
Tue, 13 Oct - Wed, 28 Oct
LATAM Airlines Logo
7:00 a.m. - 2:50 p.m.
YUL
-
AEP
30h 50m
2 stops
LATAM Airlines Logo
3:45 p.m. - 5:05 p.m.
AEP
-
YUL
26h 20m
2 stops
C$ 1,193LATAM Airlines
Tue, 8 Sep - Mon, 28 Sep
LATAM Airlines Logo
6:37 p.m. - 4:00 p.m.
YYZ
-
AEP
20h 23m
2 stops
LATAM Airlines Logo
5:35 p.m. - 5:39 p.m.
AEP
-
YYZ
25h 04m
2 stops
C$ 1,204LATAM Airlines
Wed, 27 May - Wed, 10 Jun
Delta Logo
6:15 p.m. - 4:00 p.m.
YUL
-
AEP
20h 45m
2 stops
Delta Logo
8:05 p.m. - 12:44 p.m.
AEP
-
YUL
41h 39m
2 stops
C$ 1,207Delta
Tue, 13 Oct - Fri, 30 Oct

Avianca flights from Region of Ontario to Buenos Aires

Our best Avianca deals on Region of Ontario to Buenos Aires flight tickets
Avianca
11 Sep
YUL11:00 p.m.Montreal Pierre Elliott Trudeau Intl
15h 40m
1 stop
EZE3:40 p.m.Buenos Aires Ministro Pistarini
14 Sep
EZE1:35 a.m.Buenos Aires Ministro Pistarini
21h 00m
1 stop
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,156
Avianca
12 May
YUL11:00 p.m.Montreal Pierre Elliott Trudeau Intl
29h 40m
1 stop
EZE5:40 a.m.Buenos Aires Ministro Pistarini
5 Jun
EZE7:10 a.m.Buenos Aires Ministro Pistarini
15h 25m
1 stop
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,160
Avianca
11 Jun
YYZ8:55 a.m.Toronto Pearson Intl
19h 45m
1 stop
AEP5:40 a.m.Buenos Aires Jorge Newbery
18 Jun
AEP7:00 a.m.Buenos Aires Jorge Newbery
17h 30m
1 stop
YYZ11:30 p.m.Toronto Pearson Intl
C$ 1,205

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
11 Jul
YOW7:30 p.m.Ottawa
35h 30m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
21 Jul
EZE9:00 p.m.Buenos Aires Ministro Pistarini
37h 11m
2 stops
YOW9:11 a.m.Ottawa
C$ 1,205
United Airlines
11 Jul
YOW7:30 p.m.Ottawa
35h 30m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
21 Jul
EZE9:00 p.m.Buenos Aires Ministro Pistarini
37h 11m
2 stops
YOW9:11 a.m.Ottawa
C$ 1,208
United Airlines
1 May
YYZ7:00 a.m.Toronto Pearson Intl
24h 00m
3 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
29 May
EZE9:00 p.m.Buenos Aires Ministro Pistarini
37h 54m
2 stops
YYZ9:54 a.m.Toronto Pearson Intl
C$ 1,222

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 30 April 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

Wed 24/6

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

1 stop16h 35m

Buenos Aires Ministro Pistarini

Sun 28/6

8:40 a.m.-11:45 p.m.

1 stop16h 05m

C$ 955

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 10/6

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

1 stop16h 35m

Buenos Aires Ministro Pistarini

Tue 23/6

3:55 a.m.-1:13 a.m.

2 stops22h 18m

C$ 980

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 26/5

8:30 a.m.-4:31 a.m.

1 stop19h 01m

Buenos Aires Ministro Pistarini

Mon 1/6

3:48 a.m.-1:13 a.m.

1 stop22h 25m

C$ 1,033

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 13/8

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

1 stop17h 00m

Buenos Aires Ministro Pistarini

Thu 20/8

9:02 a.m.-1:13 a.m.

1 stop17h 11m

C$ 1,034

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sun 4/10

10:05 p.m.-2:30 p.m.

1 stop15h 25m

Buenos Aires Ministro Pistarini

Sat 10/10

4:35 p.m.-6:53 p.m.

2 stops27h 18m

C$ 1,037

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

4:40 p.m.-2:30 p.m.

2 stops20h 50m

Buenos Aires Ministro Pistarini

Sat 21/11

4:45 p.m.-9:23 a.m.

2 stops18h 38m

C$ 1,058

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

6:15 p.m.-4:00 p.m.

2 stops20h 45m

Buenos Aires Jorge Newbery

Wed 28/10

8:05 p.m.-11:44 a.m.

2 stops40h 39m

C$ 1,189

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

7:00 a.m.-2:50 p.m.

2 stops30h 50m

Buenos Aires Jorge Newbery

Mon 28/9

3:45 p.m.-5:05 p.m.

2 stops26h 20m

C$ 1,193

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Wed 27/5

6:37 p.m.-4:00 p.m.

2 stops20h 23m

Buenos Aires Jorge Newbery

Wed 10/6

5:35 p.m.-5:39 p.m.

2 stops25h 04m

C$ 1,204

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

6:15 p.m.-4:00 p.m.

2 stops20h 45m

Buenos Aires Jorge Newbery

Fri 30/10

8:05 p.m.-12:44 p.m.

2 stops41h 39m

C$ 1,207

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 June. Flight prices, which tend to average around C$ 231, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in June, then October is your next best option. Flight prices from Region of Ontario to Buenos Aires during October average around C$ 248.

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 from Ontario 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$ 1,211 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$ 941 on momondo.

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

You could potentially save up to 13% 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

13h 55m

Direct flights

Mon, Wed, Thu and Sat

Airports in Buenos Aires

2 airports
The fastest flight from Region of Ontario to Buenos Aires takes 13h 55m
Direct flights go from Region of Ontario to Buenos Aires on Monday, Wednesday, Thursday 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

Frequently asked questions about flying from Ontario to Buenos Aires

  • 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
1,912 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom C$ 586Free CancellationRating
7.4
9,677 reviews
Search United Airlines flights
Copa AirlinesPriceFrom C$ 730Free CancellationRating
7.5
1,578 reviews
Search Copa Airlines flights
ArajetPriceFrom C$ 777Free CancellationRating
6.5
47 reviews
Search Arajet flights
DeltaPriceFrom C$ 784Free CancellationRating
7.9
8,466 reviews
Search Delta flights
AviancaPriceFrom C$ 891Free CancellationRating
6.5
2,517 reviews
Search Avianca flights
Air CanadaPriceFrom C$ 1,076Free CancellationRating
7.1
10,982 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.

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 30/5
Sat 6/6
By creating a price alert you accept our terms of use and privacy policy.

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