AirHint found the following cheapest return flights from San Jose (SJC) to Mexico City (MEX) in December 2025 (see full year).

Return flights

28 Dec - 09 Jan	Volaris
17 Dec - 21 Dec	Hawaiian Airlines
09 Dec - 16 Dec	Aeromexico
09 Dec - 14 Dec	Aeromexico
10 Dec - 14 Dec	Aeromexico
24 Dec - 31 Dec	Aeromexico
10 Dec - 15 Dec	Aeromexico
25 Dec - 31 Dec	Aeromexico
05 Dec - 06 Dec	Aeromexico
26 Dec - 12 Jan	Aeromexico
17 Dec - 31 Dec	Aeromexico
21 Dec - 29 Dec	Aeromexico
24 Dec - 01 Jan	Aeromexico
16 Dec - 01 Jan	Aeromexico
21 Dec - 08 Jan	Aeromexico
27 Dec - 01 Jan	Aeromexico
22 Dec - 02 Jan	Aeromexico
13 Dec - 03 Jan	Aeromexico
20 Dec - 05 Jan	Aeromexico
19 Dec - 05 Jan	Aeromexico

Also check the deals for one-way flights from San Jose to Mexico City 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 Mexico City in December from $536

Return flights