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

Return flights

02 Dec - 05 Dec	Viva
02 Dec - 12 Dec	Viva
09 Dec - 12 Dec	Viva
05 Dec - 12 Dec	Volaris
02 Dec - 15 Dec	Viva
09 Dec - 15 Dec	Viva
11 Dec - 14 Dec	Air Transat
06 Dec - 12 Dec	Viva
18 Dec - 24 Dec	Copa
17 Dec - 24 Dec	Copa
17 Dec - 01 Jan	Copa
07 Dec - 07 Jan	Volaris
30 Dec - 12 Jan	Viva
23 Dec - 12 Jan	Viva
27 Dec - 12 Jan	Viva
22 Dec - 05 Jan	Copa
16 Dec - 01 Jan	Viva
27 Dec - 01 Jan	Copa
13 Dec - 01 Jan	Viva
23 Dec - 08 Jan	Viva

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 208€

Return flights