Cheapest return flights from Miami (MIA) to San Juan (SJU), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
01 Sep 03 Sep Frontier Airlines
Direct Flight
02 Sep 03 Sep Frontier Airlines
Direct Flight
02 Sep 05 Sep Frontier Airlines
Direct Flight
23 Sep 07 Oct Frontier Airlines
Direct Flight
01 Sep 12 Sep Frontier Airlines
Direct Flight
02 Sep 12 Sep Frontier Airlines
Direct Flight
06 Sep 20 Sep Frontier Airlines
Direct Flight
01 Sep 02 Sep Frontier Airlines
Direct Flight
27 Sep 29 Sep Frontier Airlines
Direct Flight
21 Sep 29 Sep Frontier Airlines
Direct Flight
19 Sep 27 Sep Frontier Airlines
Direct Flight
28 Sep 05 Oct Frontier Airlines
Direct Flight
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deals for one-way flights from Miami to San Juan in September.

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Updated Aug 29, 2026.

About these fares

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