AirHint found the following cheapest return flights from Montreal (YUL) to Sao Paulo (GRU) in May 2026 (see full year).

Return flights

01 May - 12 May	Arajet
01 May - 21 May	Arajet
13 May - 26 May	Arajet
20 May - 26 May	Arajet
05 May - 12 May	WestJet
13 May - 28 May	Arajet
06 May - 25 May	Avianca
05 May - 21 May	Avianca
09 May - 16 May	Avianca
11 May - 18 May	Avianca
27 May - 01 Jun	Copa
25 May - 01 Jun	Copa
27 May - 03 Jun	Copa
27 May - 09 Jun	Arajet
29 May - 05 Jun	Avianca
20 May - 03 Jun	Copa
31 May - 07 Jun	Avianca
21 May - 04 Jun	Avianca
26 May - 08 Jun	Avianca
26 May - 02 Jun	Avianca

Also check the deals for one-way flights from Montreal to Sao Paulo 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.

Book a cheap hotel in Sao Paulo

Cheap car rent in Sao Paulo

Cheapest return flights from Montreal to Sao Paulo in May from 464€

Return flights