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

Return flights

01 May - 12 May	Arajet
07 May - 14 May	Air Transat
05 May - 12 May	WestJet
13 May - 20 May	WestJet
19 May - 26 May	WestJet
06 May - 13 May	WestJet
12 May - 19 May	WestJet
27 May - 03 Jun	WestJet
26 May - 02 Jun	WestJet
29 May - 20 Jun	WestJet
21 May - 28 May	Air Transat
14 May - 21 May	Air Transat
01 May - 08 May	Arajet
28 May - 04 Jun	Air Transat
31 May - 07 Jun	Avianca
25 May - 01 Jun	Copa
30 May - 06 Jun	Air Canada
29 May - 05 Jun	Copa
30 May - 20 Jun	Copa

Also check the deals for one-way flights from Montreal 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 Montreal to Rio Negro in May from $412

Return flights