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

One-Way flights

08 Sep	Volaris El Salvador	direct
03 Sep	Avianca
18 Sep	Avianca
18 Sep	Avianca	direct
03 Sep	Avianca	direct
19 Sep	Avianca	direct
25 Sep	Avianca	direct
09 Sep	Avianca	direct
02 Sep	Avianca	direct
07 Sep	Copa

Also check the deals for return flights from San Jose to Miami in September.

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 September from 99€

One-Way flights