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

Return flights

15 Sep - 20 Sep	Avianca
14 Sep - 20 Sep	Avianca
15 Sep - 22 Sep	Avianca	direct
22 Sep - 26 Sep	Avianca
19 Sep - 22 Sep	Avianca	direct
25 Sep - 29 Sep	Avianca
17 Sep - 22 Sep	Avianca	direct
22 Sep - 24 Sep	Avianca
20 Sep - 24 Sep	Avianca	direct
18 Sep - 23 Sep	Avianca
27 Sep - 04 Oct	Avianca	direct
28 Sep - 05 Oct	Avianca	direct
30 Sep - 22 Oct	Avianca
30 Sep - 03 Oct	Avianca
30 Sep - 21 Oct	Avianca
28 Sep - 08 Oct	Avianca
30 Sep - 05 Oct	Avianca
30 Sep - 08 Oct	Copa
30 Sep - 22 Oct	American Airlines	direct

Also check the deals for one-way 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 return flights from San Jose to Miami in September from 129€

Return flights