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

Return flights

30 Jan - 15 Feb	Copa
21 Jan - 04 Feb	Arajet
27 Jan - 31 Jan	Arajet
28 Jan - 04 Feb	Copa
30 Jan - 09 Feb	Copa
31 Jan - 09 Feb	Copa
30 Jan - 04 Feb	Copa
24 Jan - 06 Feb	Copa
26 Jan - 31 Jan	Arajet
23 Jan - 30 Jan	Copa
23 Jan - 29 Jan	Copa
29 Jan - 02 Feb	Copa
29 Jan - 05 Feb	Copa
28 Jan - 02 Feb	Copa
21 Jan - 31 Jan	Arajet
23 Jan - 28 Jan	Copa
24 Jan - 28 Jan	Copa
21 Jan - 26 Jan	Copa
21 Jan - 29 Jan	Copa
22 Jan - 30 Jan	Copa

Also check the deals for one-way flights from Sao Paulo to Cancun 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 Sao Paulo to Cancun in January from $465

Return flights