AirHint found the following cheapest one-way flights from Toronto (YYZ) to Buenos Aires (AEP) in December 2025 (see full year).
One-Way flights
| 01 Dec | Flair Airlines | ||
| 06 Dec | LATAM Airlines Group | ||
| 29 Dec | Avianca | ||
| 22 Dec | LATAM Airlines Group |
Also check the deals for return flights from Toronto to Buenos Aires in December.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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