Cheapest return flights from Toronto to Buenos Aires in December from $708

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

Return flights

08 Dec - 11 Dec LATAM Airlines Group
02 Dec - 09 Dec Copa
08 Dec - 13 Dec LATAM Airlines Group
11 Dec - 23 Dec LATAM Airlines Group
02 Dec - 20 Jan Copa
01 Dec - 20 Jan LATAM Airlines Group
01 Dec - 26 Jan LATAM Airlines Group
01 Dec - 27 Jan LATAM Airlines Group
01 Dec - 15 Jan LATAM Airlines Group
02 Dec - 11 Dec Avianca
03 Dec - 20 Jan LATAM Airlines Group
09 Dec - 21 Dec Avianca
12 Dec - 20 Dec WestJet
03 Dec - 16 Jan LATAM Airlines Group
12 Dec - 21 Dec Flair Airlines
12 Dec - 22 Dec Porter Airlines (Canada) Ltd
02 Dec - 31 Dec Copa
12 Dec - 15 Jan Porter Airlines (Canada) Ltd
31 Dec - 07 Jan LATAM Airlines Group
02 Dec - 17 Jan Avianca

Also check the deals for one-way flights from Toronto to Buenos Aires in December.

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