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

Return flights

25 Jan - 31 Jan	Avianca
21 Jan - 28 Jan	Avianca
16 Jan - 22 Jan	Avianca
06 Jan - 14 Jan	Avianca
12 Jan - 21 Jan	Avianca
21 Jan - 27 Jan	Avianca
31 Jan - 03 Feb	Avianca
01 Jan - 07 Jan	Avianca
01 Jan - 11 Jan	Avianca
05 Jan - 12 Jan	Avianca
22 Jan - 28 Feb	Volaris
22 Jan - 28 Feb	Volaris Costa Rica	direct
22 Jan - 29 Jan	Volaris Costa Rica	direct
29 Jan - 03 Feb	Aeromexico

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 199€

Return flights