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Cheap flights from Ontario to Buenos Aires from C$ 403

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 15/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
1:40 p.m. - 6:20 p.m.
YYZ
-
AEP
27h 40m
2 stops
Multiple Airlines Logo
9:35 a.m. - 5:19 p.m.
AEP
-
YYZ
32h 44m
2 stops
C$ 1,055Multiple Airlines
Mon, 15 Jun - Wed, 1 Jul
Multiple Airlines Logo
11:38 a.m. - 6:20 p.m.
YYZ
-
AEP
29h 42m
2 stops
Multiple Airlines Logo
12:50 p.m. - 5:19 p.m.
AEP
-
YYZ
29h 29m
2 stops
C$ 1,059Multiple Airlines
Wed, 17 Jun - Mon, 22 Jun
Multiple Airlines Logo
11:38 a.m. - 9:05 p.m.
YYZ
-
AEP
32h 27m
3 stops
Multiple Airlines Logo
12:50 p.m. - 5:19 p.m.
AEP
-
YYZ
29h 29m
2 stops
C$ 1,063Multiple Airlines
Wed, 17 Jun - Mon, 22 Jun
Multiple Airlines Logo
1:40 p.m. - 6:20 p.m.
YYZ
-
AEP
27h 40m
2 stops
Multiple Airlines Logo
9:35 a.m. - 5:19 p.m.
AEP
-
YYZ
32h 44m
2 stops
C$ 1,082Multiple Airlines
Mon, 15 Jun - Wed, 1 Jul
Multiple Airlines Logo
11:40 a.m. - 6:20 p.m.
YYZ
-
AEP
29h 40m
2 stops
Multiple Airlines Logo
10:10 p.m. - 12:35 a.m.
AEP
-
YYZ
27h 25m
3 stops
C$ 1,096Multiple Airlines
Wed, 8 Jul - Tue, 14 Jul
Multiple Airlines Logo
1:40 p.m. - 11:51 p.m.
YYZ
-
AEP
33h 11m
3 stops
Multiple Airlines Logo
12:50 p.m. - 12:25 p.m.
AEP
-
YYZ
24h 35m
2 stops
C$ 1,097Multiple Airlines
Thu, 18 Jun - Mon, 22 Jun
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$ 1,117Avianca
Tue, 16 Jun - Mon, 29 Jun
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$ 1,136Avianca
Sun, 14 Jun - Sat, 27 Jun
LATAM Airlines Logo
12:53 p.m. - 7:40 p.m.
YUL
-
AEP
29h 47m
2 stops
LATAM Airlines Logo
3:45 p.m. - 5:42 p.m.
AEP
-
YUL
26h 57m
2 stops
C$ 1,139LATAM Airlines
Fri, 3 Jul - Wed, 8 Jul
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$ 1,145Avianca
Sun, 14 Jun - Thu, 25 Jun

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
16 Jun
YUL11:00 p.m.Montreal Pierre Elliott Trudeau Intl
29h 40m
1 stop
AEP5:40 a.m.Buenos Aires Jorge Newbery
29 Jun
AEP7:00 a.m.Buenos Aires Jorge Newbery
15h 35m
1 stop
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,117
Avianca
14 Jun
YUL11:00 p.m.Montreal Pierre Elliott Trudeau Intl
29h 40m
1 stop
AEP5:40 a.m.Buenos Aires Jorge Newbery
27 Jun
AEP7:00 a.m.Buenos Aires Jorge Newbery
15h 35m
1 stop
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,136
Avianca
14 Jun
YUL11:00 p.m.Montreal Pierre Elliott Trudeau Intl
29h 40m
1 stop
AEP5:40 a.m.Buenos Aires Jorge Newbery
25 Jun
AEP7:00 a.m.Buenos Aires Jorge Newbery
15h 35m
1 stop
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,145

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
8 Jun
YYZ12:15 p.m.Toronto Pearson Intl
25h 35m
2 stops
AEP2:50 p.m.Buenos Aires Jorge Newbery
15 Jun
AEP7:20 p.m.Buenos Aires Jorge Newbery
23h 19m
2 stops
YYZ5:39 p.m.Toronto Pearson Intl
C$ 1,193
LATAM Airlines
15 Sep
YYZ11:38 a.m.Toronto Pearson Intl
26h 12m
2 stops
AEP2:50 p.m.Buenos Aires Jorge Newbery
5 Oct
AEP5:35 p.m.Buenos Aires Jorge Newbery
24h 16m
2 stops
YYZ4:51 p.m.Toronto Pearson Intl
C$ 1,197
LATAM Airlines
20 Oct
YUL12:45 p.m.Montreal Pierre Elliott Trudeau Intl
28h 45m
2 stops
AEP6:30 p.m.Buenos Aires Jorge Newbery
29 Oct
AEP5:05 p.m.Buenos Aires Jorge Newbery
19h 39m
2 stops
YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,200

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 3 June 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

Mon 15/6

1:40 p.m.-6:20 p.m.

2 stops27h 40m

Buenos Aires Jorge Newbery

Wed 1/7

9:35 a.m.-5:19 p.m.

2 stops32h 44m

C$ 1,055

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Wed 17/6

11:38 a.m.-6:20 p.m.

2 stops29h 42m

Buenos Aires Jorge Newbery

Mon 22/6

12:50 p.m.-5:19 p.m.

2 stops29h 29m

C$ 1,059

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Wed 17/6

11:38 a.m.-9:05 p.m.

3 stops32h 27m

Buenos Aires Jorge Newbery

Mon 22/6

12:50 p.m.-5:19 p.m.

2 stops29h 29m

C$ 1,063

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Mon 15/6

1:40 p.m.-6:20 p.m.

2 stops27h 40m

Buenos Aires Jorge Newbery

Wed 1/7

9:35 a.m.-5:19 p.m.

2 stops32h 44m

C$ 1,082

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Wed 8/7

11:40 a.m.-6:20 p.m.

2 stops29h 40m

Buenos Aires Jorge Newbery

Tue 14/7

10:10 p.m.-12:35 a.m.

3 stops27h 25m

C$ 1,096

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Thu 18/6

1:40 p.m.-11:51 p.m.

3 stops33h 11m

Buenos Aires Jorge Newbery

Mon 22/6

12:50 p.m.-12:25 p.m.

2 stops24h 35m

C$ 1,097
Quickest round-trip

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 16/6

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

1 stop29h 40m

Buenos Aires Jorge Newbery

Mon 29/6

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

1 stop15h 35m

C$ 1,117

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Sun 14/6

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

1 stop29h 40m

Buenos Aires Jorge Newbery

Sat 27/6

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

1 stop15h 35m

C$ 1,136

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Fri 3/7

12:53 p.m.-7:40 p.m.

2 stops29h 47m

Buenos Aires Jorge Newbery

Wed 8/7

3:45 p.m.-5:42 p.m.

2 stops26h 57m

C$ 1,139

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Sun 14/6

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

1 stop29h 40m

Buenos Aires Jorge Newbery

Thu 25/6

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

1 stop15h 35m

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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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 49% 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

18h 50m

Direct flights

None
The fastest flight from Region of Ontario to Buenos Aires Jorge Newbery Airport takes 18h 50m
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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