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

Return flights

29 May - 01 Jun	Arajet
13 May - 27 May	Avianca
20 May - 27 May	Copa
21 May - 26 May	Copa
19 May - 26 May	Copa
22 May - 31 May	Arajet
08 May - 18 May	Arajet
07 May - 13 May	Arajet
06 May - 19 May	Arajet
08 May - 13 May	Arajet
04 May - 12 May	Arajet
28 May - 03 Jun	Arajet
25 May - 10 Jun	Arajet
22 May - 10 Jun	Avianca
22 May - 07 Jun	Avianca
22 May - 06 Jun	Avianca
22 May - 03 Jun	Avianca
28 May - 10 Jun	Avianca
28 May - 07 Jun	Avianca
22 May - 05 Jun	Avianca

Also check the deals for one-way flights from Sao Paulo to Cancun 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 Sao Paulo to Cancun in May from $430

Return flights