Cheapest return flights from San Juan to Miami in September from 135€

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

Return flights

18 Sep - 22 Sep Frontier Airlines direct
19 Sep - 28 Sep Frontier Airlines direct
25 Sep - 28 Sep Frontier Airlines direct
12 Sep - 21 Sep Frontier Airlines direct
19 Sep - 23 Sep American Airlines direct
04 Sep - 08 Sep Frontier Airlines direct
26 Sep - 03 Oct Frontier Airlines direct
26 Sep - 04 Oct Southwest Airlines
25 Sep - 27 Sep Frontier Airlines
18 Sep - 25 Sep Frontier Airlines
22 Sep - 29 Sep Frontier Airlines
11 Sep - 14 Sep Frontier Airlines
24 Sep - 04 Oct Southwest Airlines

Also check the deals for one-way flights from San Juan to Miami 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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