AirHint found the following cheapest return flights from Mexico City (MEX) to San Jose (SJO) in January 2026 (see full year).

Return flights

12 Jan - 19 Jan	Aeromexico	direct
12 Jan - 20 Jan	Aeromexico	direct
20 Jan - 15 Feb	Volaris Costa Rica	direct
16 Jan - 24 Jan	Aeromexico	direct
20 Jan - 27 Jan	Aeromexico	direct
16 Jan - 25 Jan	Aeromexico	direct
08 Jan - 12 Jan	Avianca
31 Jan - 07 Feb	Avianca
30 Jan - 12 Feb	Avianca
30 Jan - 08 Feb	Avianca
12 Jan - 17 Jan	Viva
05 Jan - 12 Jan	Avianca
09 Jan - 29 Jan	Viva
16 Jan - 23 Jan	Avianca
31 Jan - 07 Feb	Avianca	direct
29 Jan - 14 Feb	Avianca	direct
30 Jan - 16 Feb	Avianca	direct
29 Jan - 16 Feb	Avianca	direct
05 Jan - 23 Feb	Avianca
11 Jan - 01 Feb	Avianca

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

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 Mexico City to San Jose in January from $230

Return flights