AirHint found the following cheapest return flights from Sao Paulo (GRU) to Cancun (CUN) in December 2025 (see full year).

Return flights

09 Dec - 16 Dec	Arajet
12 Dec - 18 Dec	Arajet
05 Dec - 11 Dec	Avianca
10 Dec - 17 Dec	Avianca
02 Dec - 08 Dec	Avianca
08 Dec - 15 Dec	Avianca
10 Dec - 23 Dec	Avianca
11 Dec - 18 Dec	Avianca
01 Dec - 07 Dec	Avianca
09 Dec - 17 Dec	Avianca
12 Dec - 22 Jan	Arajet
25 Dec - 01 Jan	GOL Linhas Aéreas
23 Dec - 01 Jan	Copa
24 Dec - 03 Jan	Arajet
23 Dec - 06 Jan	GOL Linhas Aéreas
17 Dec - 07 Jan	Avianca
23 Dec - 07 Jan	Sky Airline
19 Dec - 03 Jan	Arajet
29 Dec - 06 Jan	Arajet
26 Dec - 10 Jan	Arajet

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

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.

Book a cheap hotel in Cancun

Cheap car rent in Cancun

Cheapest return flights from Sao Paulo to Cancun in December from 383€

Return flights