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

Return flights

19 Aug - 09 Sep	Avianca
07 Aug - 12 Aug	Avianca
17 Aug - 28 Aug	Avianca
11 Aug - 27 Aug	Avianca
13 Aug - 20 Aug	Avianca
14 Aug - 20 Aug	Avianca
04 Aug - 18 Aug	Avianca
22 Aug - 28 Aug	Avianca
11 Aug - 26 Aug	Avianca
05 Aug - 19 Aug	Avianca
12 Aug - 19 Aug	Avianca
30 Aug - 03 Sep	Avianca
31 Aug - 03 Sep	Avianca
29 Aug - 05 Sep	Avianca
28 Aug - 02 Sep	Avianca

Also check the deals for one-way flights from Toronto to Rio Negro in August.

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 Rio Negro in August from 351€

Return flights