Cheapest return flights from San Juan to Miami in September from $121

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

Return flights

19 Sep - 28 Sep Frontier Airlines direct
26 Sep - 28 Sep Frontier Airlines direct
08 Sep - 28 Sep Frontier Airlines direct
05 Sep - 14 Sep Frontier Airlines direct
24 Sep - 04 Oct Delta
24 Sep - 04 Oct American Airlines direct
02 Sep - 03 Sep Spirit Airlines
01 Sep - 03 Sep Spirit Airlines
01 Sep - 02 Sep Spirit Airlines
28 Sep - 19 Oct Spirit Airlines
02 Sep - 04 Sep American Airlines direct
28 Sep - 09 Oct Spirit Airlines
18 Sep - 09 Oct Spirit 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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