AirHint found the following cheapest return flights from San Jose (SJO) to Cancun (CUN) in December 2025 (see full year).

Return flights

10 Dec - 17 Dec	Volaris	direct
02 Dec - 09 Dec	Aeromexico
05 Dec - 11 Dec	Aeromexico
08 Dec - 13 Dec	Volaris
05 Dec - 10 Dec	Copa
11 Dec - 16 Dec	Copa
11 Dec - 17 Dec	Copa
20 Dec - 24 Dec	Copa
19 Dec - 24 Dec	Copa
11 Dec - 14 Dec	Avianca
24 Dec - 06 Jan	Copa
30 Dec - 14 Jan	Copa
23 Dec - 12 Jan	Viva
30 Dec - 12 Jan	Viva
30 Dec - 09 Jan	Copa
27 Dec - 12 Jan	Viva
23 Dec - 09 Jan	Viva
28 Dec - 10 Jan	Volaris
27 Dec - 09 Jan	Viva
30 Dec - 07 Jan	Copa

Also check the deals for one-way flights from San Jose 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.

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Cheapest return flights from San Jose to Cancun in December from $249

Return flights