Cheapest return flights from Toronto to Buenos Aires in December from 641€

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

Return flights

01 Dec - 11 Dec LATAM Airlines Group
15 Dec - 18 Dec Avianca
09 Dec - 23 Dec LATAM Airlines Group
09 Dec - 28 Dec Air Canada
29 Dec - 20 Jan Avianca
27 Dec - 04 Jan Avianca
23 Dec - 05 Jan Avianca
28 Dec - 05 Jan Avianca
15 Dec - 22 Dec Avianca
18 Dec - 03 Jan LATAM Airlines Group
20 Dec - 02 Jan LATAM Airlines Group
19 Dec - 03 Jan LATAM Airlines Group

Also check the deals for one-way 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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