Cheapest one-way flights from Toronto to Buenos Aires in December from $362

AirHint found the following cheapest one-way flights from Toronto (YYZ) to Buenos Aires (AEP) in December 2025 (see full year).

One-Way flights

05 Dec Copa
10 Dec Air Transat
08 Dec LATAM Airlines Group
24 Dec LATAM Airlines Group
04 Dec LATAM Airlines Group
25 Dec LATAM Airlines Group
27 Dec WestJet
16 Dec Porter Airlines (Canada) Ltd
22 Dec GOL Linhas Aéreas
26 Dec GOL Linhas Aéreas

Also check the deals for return flights from Toronto to Buenos Aires in December.

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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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