AirHint found the following cheapest return flights from Ontario (ONT) to Sao Paulo (GRU) in January 2026 (see full year).

Return flights

20 Jan - 27 Jan	Volaris
20 Jan - 28 Jan	Volaris
19 Jan - 22 Jan	Volaris
16 Jan - 23 Jan	Volaris
30 Jan - 09 Feb	Volaris
24 Jan - 26 Jan	Avianca
20 Jan - 30 Jan	Avianca
23 Jan - 30 Jan	Volaris
15 Jan - 18 Jan	Volaris
16 Jan - 19 Jan	Volaris
13 Jan - 20 Jan	Volaris
17 Jan - 07 Feb	Avianca
17 Jan - 14 Feb	Avianca
31 Jan - 09 Feb	Avianca
19 Jan - 03 Feb	LATAM Airlines Group
30 Jan - 06 Feb	LATAM Airlines Group

Also check the deals for one-way flights from Ontario to Sao Paulo in January.

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 Ontario to Sao Paulo in January from $892

Return flights