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

Return flights

06 Mar - 14 Mar	Arajet
10 Mar - 14 Mar	Arajet
24 Mar - 31 Mar	Arajet
20 Mar - 02 Apr	Arajet
23 Mar - 29 Mar	Arajet
02 Mar - 12 Mar	Arajet
13 Mar - 22 Mar	Arajet
18 Mar - 24 Mar	Arajet
06 Mar - 12 Mar	Arajet
10 Mar - 17 Mar	Arajet
31 Mar - 14 Apr	Arajet
06 Mar - 13 Mar	Copa
26 Mar - 02 Apr	Copa
26 Mar - 01 Apr	Copa

Also check the deals for one-way flights from Sao Paulo to Cancun in March.

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 March from $427

Return flights