AirHint found the following cheapest return flights from Toronto (YYZ) to Rio Negro (MDE) in May 2026 (see full year).

Return flights

05 May - 12 May	United
06 May - 13 May	United
02 May - 09 May	United
04 May - 12 May	United
01 May - 15 May	United
07 May - 13 May	WestJet
07 May - 14 May	WestJet
04 May - 11 May	WestJet
06 May - 20 May	United
01 May - 04 May	Avianca
29 May - 08 Jun	Avianca
21 May - 04 Jun	Avianca
26 May - 09 Jun	Avianca

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

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 May from $375

Return flights