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Cheap flights from Ontario to Buenos Aires from C$ 486

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 29/5. 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

Find the cheapest flights from Ontario to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:40 a.m. - 3:20 p.m.
YYZ
-
AEP
29h 40m
2 stops
Multiple Airlines Logo
8:05 p.m. - 6:20 a.m.
AEP
-
YYZ
35h 15m
3 stops
C$ 1,017Multiple Airlines
Thu, 28 May - Thu, 4 Jun
Multiple Airlines Logo
8:30 a.m. - 11:20 a.m.
YYZ
-
AEP
25h 50m
2 stops
Multiple Airlines Logo
8:05 p.m. - 6:20 a.m.
AEP
-
YYZ
35h 15m
3 stops
C$ 1,096Multiple Airlines
Sat, 6 Jun - Fri, 19 Jun
Avianca Logo
8:55 a.m. - 5:40 a.m.
YYZ
-
AEP
19h 45m
1 stop
Avianca Logo
7:00 a.m. - 11:30 p.m.
AEP
-
YYZ
17h 30m
1 stop
C$ 1,122Avianca
Wed, 27 May - Wed, 10 Jun
Avianca Logo
8:55 a.m. - 5:40 a.m.
YYZ
-
AEP
19h 45m
1 stop
Avianca Logo
7:00 a.m. - 11:30 p.m.
AEP
-
YYZ
17h 30m
1 stop
C$ 1,123Avianca
Mon, 1 Jun - Thu, 11 Jun
Avianca Logo
8:55 a.m. - 5:40 a.m.
YYZ
-
AEP
19h 45m
1 stop
Avianca Logo
7:00 a.m. - 12:30 a.m.
AEP
-
YYZ
18h 30m
2 stops
C$ 1,125Avianca
Mon, 1 Jun - Thu, 11 Jun
LATAM Airlines Logo
12:40 p.m. - 9:30 p.m.
YUL
-
AEP
31h 50m
2 stops
LATAM Airlines Logo
9:25 a.m. - 5:43 p.m.
AEP
-
YUL
33h 18m
2 stops
C$ 1,188LATAM Airlines
Thu, 21 May - Wed, 27 May
Delta Logo
12:40 p.m. - 7:40 a.m.
YUL
-
AEP
18h 00m
2 stops
Delta Logo
8:05 p.m. - 11:59 p.m.
AEP
-
YUL
28h 54m
2 stops
C$ 1,200Delta
Thu, 4 Jun - Sun, 7 Jun
LATAM Airlines Logo
7:00 a.m. - 7:40 a.m.
YUL
-
AEP
23h 40m
2 stops
LATAM Airlines Logo
8:05 p.m. - 5:43 p.m.
AEP
-
YUL
22h 38m
2 stops
C$ 1,203LATAM Airlines
Tue, 5 May - Tue, 12 May
Air Canada Logo
2:35 p.m. - 5:20 p.m.
YOW
-
AEP
25h 45m
2 stops
Air Canada Logo
1:40 p.m. - 8:50 p.m.
AEP
-
YOW
32h 10m
2 stops
C$ 1,580Air Canada
Tue, 22 Sep - Thu, 24 Sep
Air Canada Logo
7:25 p.m. - 5:20 p.m.
YOW
-
AEP
20h 55m
2 stops
Air Canada Logo
1:40 p.m. - 8:50 p.m.
AEP
-
YOW
32h 10m
2 stops
C$ 1,705Air Canada
Tue, 22 Sep - Thu, 24 Sep

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Avianca flights from Region of Ontario to Buenos Aires Jorge Newbery Airport

Our best Avianca deals on Region of Ontario to Buenos Aires Jorge Newbery Airport flight tickets
Avianca
27 May
YYZ8:55 a.m.Toronto Pearson Intl
19h 45m
1 stop
AEP5:40 a.m.Buenos Aires Jorge Newbery
10 Jun
AEP7:00 a.m.Buenos Aires Jorge Newbery
17h 30m
1 stop
YYZ11:30 p.m.Toronto Pearson Intl
C$ 1,122
Avianca
20 May
YYZ8:55 a.m.Toronto Pearson Intl
19h 45m
1 stop
AEP5:40 a.m.Buenos Aires Jorge Newbery
25 May
AEP7:00 a.m.Buenos Aires Jorge Newbery
17h 30m
1 stop
YYZ11:30 p.m.Toronto Pearson Intl
C$ 1,123
Avianca
28 May
YYZ8:55 a.m.Toronto Pearson Intl
19h 45m
1 stop
AEP5:40 a.m.Buenos Aires Jorge Newbery
4 Jun
AEP7:00 a.m.Buenos Aires Jorge Newbery
18h 30m
2 stops
YYZ12:30 a.m.Toronto Pearson Intl
C$ 1,126

LATAM Airlines flights from Region of Ontario to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on Region of Ontario to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
2 Jun
YYZ6:37 p.m.Toronto Pearson Intl
20h 23m
2 stops
AEP4:00 p.m.Buenos Aires Jorge Newbery
8 Jun
AEP7:20 p.m.Buenos Aires Jorge Newbery
23h 29m
2 stops
YYZ5:49 p.m.Toronto Pearson Intl
C$ 1,178
LATAM Airlines
28 Sep
YYZ6:00 p.m.Toronto Pearson Intl
21h 00m
2 stops
AEP4:00 p.m.Buenos Aires Jorge Newbery
2 Nov
AEP8:05 p.m.Buenos Aires Jorge Newbery
18h 12m
2 stops
YYZ12:17 p.m.Toronto Pearson Intl
C$ 1,179
LATAM Airlines
12 May
YYZ6:37 p.m.Toronto Pearson Intl
20h 23m
2 stops
AEP4:00 p.m.Buenos Aires Jorge Newbery
19 May
AEP7:20 p.m.Buenos Aires Jorge Newbery
23h 27m
2 stops
YYZ5:47 p.m.Toronto Pearson Intl
C$ 1,181

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Buenos Aires Jorge Newbery Airport 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 18 April 2026.
Use the filters below to find and compare flights from Ontario to Buenos Aires Jorge Newbery Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Thu 28/5

8:40 a.m.-3:20 p.m.

2 stops29h 40m

Buenos Aires Jorge Newbery

Thu 4/6

8:05 p.m.-6:20 a.m.

3 stops35h 15m

C$ 1,017

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Sat 6/6

8:30 a.m.-11:20 a.m.

2 stops25h 50m

Buenos Aires Jorge Newbery

Fri 19/6

8:05 p.m.-6:20 a.m.

3 stops35h 15m

C$ 1,096
Quickest round-trip

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Wed 27/5

8:55 a.m.-5:40 a.m.

1 stop19h 45m

Buenos Aires Jorge Newbery

Wed 10/6

7:00 a.m.-11:30 p.m.

1 stop17h 30m

C$ 1,122

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Mon 1/6

8:55 a.m.-5:40 a.m.

1 stop19h 45m

Buenos Aires Jorge Newbery

Thu 11/6

7:00 a.m.-11:30 p.m.

1 stop17h 30m

C$ 1,123

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Mon 1/6

8:55 a.m.-5:40 a.m.

1 stop19h 45m

Buenos Aires Jorge Newbery

Thu 11/6

7:00 a.m.-12:30 a.m.

2 stops18h 30m

C$ 1,125

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

12:40 p.m.-9:30 p.m.

2 stops31h 50m

Buenos Aires Jorge Newbery

Wed 27/5

9:25 a.m.-5:43 p.m.

2 stops33h 18m

C$ 1,188

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

12:40 p.m.-7:40 a.m.

2 stops18h 00m

Buenos Aires Jorge Newbery

Sun 7/6

8:05 p.m.-11:59 p.m.

2 stops28h 54m

C$ 1,200

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

7:00 a.m.-7:40 a.m.

2 stops23h 40m

Buenos Aires Jorge Newbery

Tue 12/5

8:05 p.m.-5:43 p.m.

2 stops22h 38m

C$ 1,203

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Tue 22/9

2:35 p.m.-5:20 p.m.

2 stops25h 45m

Buenos Aires Jorge Newbery

Thu 24/9

1:40 p.m.-8:50 p.m.

2 stops32h 10m

C$ 1,580

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Tue 22/9

7:25 p.m.-5:20 p.m.

2 stops20h 55m

Buenos Aires Jorge Newbery

Thu 24/9

1:40 p.m.-8:50 p.m.

2 stops32h 10m

C$ 1,705

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Region of Ontario to Buenos Aires Jorge Newbery Airport

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

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

You could potentially save up to 1% on your flight if you consider stops on a Region of Ontario to Buenos Aires Jorge Newbery Airport flight.

Cheap Region of Ontario to Buenos Aires Jorge Newbery Airport flight deals and tips

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

Fastest flight time

15h 20m

Direct flights

None
The fastest flight from Region of Ontario to Buenos Aires Jorge Newbery Airport takes 15h 20m
There are no direct flights from Region of Ontario to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from Region of Ontario to Buenos Aires Jorge Newbery Airport.
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Frequently asked questions about flying from Ontario to Buenos Aires Jorge Newbery Airport

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to Buenos Aires Jorge Newbery Airport.

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

    The travel and health documents required for your trip to Buenos Aires Jorge Newbery Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires Jorge Newbery Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Buenos Aires. momondo saves you time and could save you money on your trip.

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

Flights from Ontario to Buenos Aires with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Ontario to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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