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

Return flights

03 Dec - 21 Jan	United
02 Dec - 08 Dec	United
09 Dec - 17 Dec	United
08 Dec - 14 Dec	WestJet
06 Dec - 21 Dec	Porter Airlines (Canada) Ltd
10 Dec - 17 Dec	United
14 Dec - 10 Jan	WestJet
10 Dec - 30 Dec	Porter Airlines (Canada) Ltd
19 Dec - 05 Jan	WestJet
25 Dec - 10 Jan	Air Transat
24 Dec - 10 Jan	Flair Airlines
20 Dec - 27 Dec	Air Transat
25 Dec - 04 Jan	Air Transat
27 Dec - 03 Jan	Air Transat
23 Dec - 10 Jan	Avianca
17 Dec - 05 Jan	Avianca

Also check the deals for one-way 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.

Book a cheap hotel in Rio Negro

Cheap car rent in Rio Negro

Cheapest return flights from Toronto to Rio Negro in December from 399€

Return flights