AirHint found the following cheapest one-way flights from Toronto (YYZ) to Rio Negro (MDE) in December 2025 (see full year).

One-Way flights

04 Dec	Avianca
02 Dec	Avianca
11 Dec	Porter Airlines (Canada) Ltd
12 Dec	Porter Airlines (Canada) Ltd
09 Dec	WestJet
13 Dec	Flair Airlines
16 Dec	WestJet
15 Dec	Avianca
01 Dec	WestJet
03 Dec	Air Transat

Also check the deals for return flights from Toronto to Rio Negro in December.

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 one-way flights from Toronto to Rio Negro in December from $206

One-Way flights