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

Return flights

03 May - 17 May	Avianca
04 May - 11 May	Avianca
08 May - 14 May	Avianca
17 May - 24 May	Avianca
04 May - 27 May	Avianca
05 May - 18 May	Avianca
06 May - 30 May	Avianca
08 May - 18 May	Avianca
12 May - 26 May	Avianca
13 May - 27 May	Avianca
29 May - 05 Jun	Arajet
20 May - 03 Jun	Copa
08 May - 07 Jun	Avianca
24 May - 03 Jun	Copa
24 May - 01 Jun	Avianca
26 May - 09 Jun	Avianca
23 May - 01 Jun	Avianca
19 May - 02 Jun	WestJet
17 May - 09 Jun	Avianca
24 May - 07 Jun	Avianca

Also check the deals for one-way flights from Toronto 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.

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Cheapest return flights from Toronto to Sao Paulo in May from $310

Return flights