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

Return flights

21 Jun - 29 Jun	Avianca
02 Jun - 06 Jun	Avianca
07 Jun - 17 Jun	Avianca
29 Jun - 09 Jul	Avianca
20 Jun - 05 Jul	Avianca
08 Jun - 17 Jun	Avianca
05 Jun - 08 Jun	Avianca
04 Jun - 08 Jun	Avianca
12 Jun - 19 Jun	Avianca
04 Jun - 11 Jun	Avianca
26 Jun - 01 Jul	Avianca
26 Jun - 05 Jul	Avianca
13 Jun - 15 Jun	Avianca
26 Jun - 06 Jul	Avianca
20 Jun - 06 Jul	Avianca
04 Jun - 15 Jun	Avianca
28 Jun - 15 Jul	Porter Airlines (Canada) Ltd
27 Jun - 03 Jul	WestJet
27 Jun - 07 Jul	Avianca
28 Jun - 03 Jul	Porter Airlines (Canada) Ltd

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

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 June from $338

Return flights