Cheapest return flights from Mexico City to San Jose in December from $248

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

Return flights

06 Dec - 13 Dec Avianca
07 Dec - 14 Dec Aeromexico direct
05 Dec - 13 Dec Aeromexico direct
06 Dec - 13 Dec Aeromexico direct
06 Dec - 14 Dec Aeromexico direct
05 Dec - 16 Dec Aeromexico direct
07 Dec - 20 Dec Aeromexico direct
01 Dec - 11 Dec Aeromexico direct
25 Dec - 30 Dec Volaris Costa Rica direct
05 Dec - 08 Dec Avianca
24 Dec - 01 Jan Copa
30 Dec - 03 Jan Volaris Costa Rica direct
15 Dec - 12 Jan Avianca
27 Dec - 15 Jan Aeromexico direct
25 Dec - 04 Jan Avianca direct
30 Dec - 07 Jan Avianca
25 Dec - 13 Jan Viva
30 Dec - 07 Jan Aeromexico direct
22 Dec - 06 Jan Viva
24 Dec - 05 Jan Aeromexico direct

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

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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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