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

Return flights

04 May - 15 May	Avianca
06 May - 12 May	Avianca
11 May - 21 May	Avianca
11 May - 18 May	Avianca
21 May - 29 May	Air Transat	direct
28 May - 05 Jun	Air Transat	direct
01 May - 08 May	Air Transat
15 May - 22 May	Air Transat
21 May - 28 May	Air Transat
08 May - 15 May	Air Transat
22 May - 29 May	Air Transat
29 May - 05 Jun	Air Transat
28 May - 04 Jun	Air Transat
27 May - 03 Jun	Avianca
28 May - 15 Jun	Air Transat
26 May - 02 Jun	GOL Linhas Aéreas
27 May - 15 Jun	Air Transat
30 May - 06 Jun	Air Transat
31 May - 07 Jun	GOL Linhas Aéreas
08 May - 19 Jun	Air Transat

Also check the deals for one-way flights from Montreal to Rio De Janeiro 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 De Janeiro in May from 437€

Return flights