AirHint found the following cheapest one-way flights from San Jose (SJO) to Miami (MIA) in August 2025 (see full year).

One-Way flights

30 Aug	Volaris Costa Rica	direct
29 Aug	Volaris El Salvador	direct
18 Aug	Volaris El Salvador	direct
13 Aug	Avianca	direct
01 Aug	Avianca	direct
20 Aug	Avianca	direct
14 Aug	Avianca	direct
25 Aug	Avianca
25 Aug	Avianca	direct
16 Aug	Avianca	direct

Also check the deals for return flights from San Jose to Miami 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 one-way flights from San Jose to Miami in August from $118

One-Way flights