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

Return flights

20 Mar - 31 Mar	Aeromexico	direct
12 Mar - 19 Mar	Avianca
28 Mar - 11 Apr	Avianca	direct
12 Mar - 19 Mar	Avianca	direct
18 Mar - 25 Mar	Aeromexico	direct
14 Mar - 22 Mar	Avianca
05 Mar - 20 Mar	Avianca
13 Mar - 16 Mar	Avianca	direct
20 Mar - 24 Mar	Avianca	direct
10 Mar - 14 Mar	Avianca	direct
11 Mar - 15 Mar	Avianca	direct
27 Mar - 06 Apr	Avianca	direct
31 Mar - 05 Apr	Avianca	direct
29 Mar - 04 Apr	Avianca	direct
29 Mar - 14 Apr	Viva

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

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 March from $242

Return flights