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

Return flights

21 Aug - 01 Sep	Viva
21 Aug - 05 Sep	Viva
20 Aug - 01 Sep	Viva
20 Aug - 05 Sep	Viva
21 Aug - 25 Aug	Viva
20 Aug - 25 Aug	Viva
27 Aug - 01 Sep	Viva
27 Aug - 05 Sep	Viva
27 Aug - 12 Sep	Viva
21 Aug - 08 Sep	Viva
20 Aug - 08 Sep	Viva
27 Aug - 08 Sep	Viva
09 Aug - 25 Aug	Viva
17 Aug - 25 Aug	Viva
10 Aug - 25 Aug	Viva
05 Aug - 12 Aug	Avianca
04 Aug - 13 Aug	Avianca
12 Aug - 26 Aug	Avianca
09 Aug - 18 Aug	Viva
23 Aug - 31 Aug	Avianca

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

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 August from 164€

Return flights