AirHint found the following cheapest return flights from Toronto (YYZ) to Buenos Aires (EZE) in March 2026 (see full year).

Return flights

18 Mar - 25 Mar	Avianca
23 Mar - 26 Mar	Avianca
23 Mar - 30 Mar	Copa
21 Mar - 31 Mar	Avianca
17 Mar - 29 Mar	Copa
28 Mar - 31 Mar	Copa
20 Mar - 30 Mar	Avianca
09 Mar - 13 Mar	Avianca
20 Mar - 27 Mar	Avianca
09 Mar - 23 Mar	Avianca
23 Mar - 03 Apr	Avianca
28 Mar - 12 Apr	Copa

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

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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Cheapest return flights from Toronto to Buenos Aires in March from $732

Return flights