Flight Lester B. Pearson International Airport departs from Toronto Lester B. Pearson International Airport at 22:15 and arrives at Buenos Aires Ministro Pistarini International Airport at 15:25.The flight has a short stop at Sao Paulo.
The flighttime is about 4h 10m. The distance travelled ("as the bird flies"): 3439 Km. So the average speed is roughly 825 Km.
There is an 13 hour time difference between Toronto and Buenos Aires