Cheapest one-way flights from Miami to San Juan in September from 68€

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

One-Way flights

26 Sep Frontier Airlines direct
15 Sep Frontier Airlines direct
18 Sep Frontier Airlines direct
19 Sep Frontier Airlines direct
21 Sep Frontier Airlines direct
22 Sep Frontier Airlines direct
25 Sep Frontier Airlines direct
28 Sep Frontier Airlines direct
07 Sep Frontier Airlines direct
13 Sep Southwest Airlines

Also check the deals for return 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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