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

14 Sep Frontier Airlines direct
15 Sep Frontier Airlines direct
21 Sep Frontier Airlines direct
07 Sep Frontier Airlines direct
08 Sep Frontier Airlines direct
02 Sep Southwest Airlines
05 Sep Southwest Airlines
17 Sep Southwest Airlines
19 Sep Delta
30 Sep Delta

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.