Cheapest return flights from Miami to San Juan in September from 93€

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

Return flights

25 Sep - 28 Sep Frontier Airlines direct
19 Sep - 21 Sep Frontier Airlines direct
25 Sep - 02 Oct Frontier Airlines direct
28 Sep - 02 Oct Frontier Airlines direct
07 Sep - 11 Sep Frontier Airlines direct
28 Sep - 05 Oct Frontier Airlines direct
18 Sep - 13 Oct Frontier Airlines direct
08 Sep - 11 Sep Frontier Airlines direct
14 Sep - 18 Sep Frontier Airlines direct
22 Sep - 29 Sep Frontier Airlines direct
21 Sep - 25 Sep Frontier Airlines direct
02 Sep - 05 Sep Southwest Airlines
15 Sep - 22 Sep Frontier Airlines direct
18 Sep - 19 Sep Frontier Airlines direct

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