Cheapest return flights from Mexico City to San Jose in September from $239

Best time to book flights for Mexico City (MEX) to San Jose (SJO) flights at AirHint

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

Return flights

10 Sep - 18 Sep Volaris Costa Rica direct
08 Sep - 20 Sep Aeromexico direct
06 Sep - 20 Sep Aeromexico direct
01 Sep - 12 Sep Aeromexico direct
16 Sep - 23 Sep Aeromexico direct
24 Sep - 01 Oct Aeromexico direct
14 Sep - 27 Sep Copa
14 Sep - 27 Sep Aeromexico direct
19 Sep - 21 Sep Aeromexico direct
18 Sep - 24 Sep Aeromexico direct
07 Sep - 13 Sep Aeromexico direct

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

Skyscanner

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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