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
93 €
direct
19 Sep
- 21 Sep
Frontier Airlines
94 €
direct
25 Sep
- 02 Oct
Frontier Airlines
94 €
direct
28 Sep
- 02 Oct
Frontier Airlines
99 €
direct
07 Sep
- 11 Sep
Frontier Airlines
120 €
direct
28 Sep
- 05 Oct
Frontier Airlines
124 €
direct
18 Sep
- 13 Oct
Frontier Airlines
139 €
direct
08 Sep
- 11 Sep
Frontier Airlines
140 €
direct
14 Sep
- 18 Sep
Frontier Airlines
141 €
direct
22 Sep
- 29 Sep
Frontier Airlines
143 €
direct
21 Sep
- 25 Sep
Frontier Airlines
146 €
direct
02 Sep
- 05 Sep
Southwest Airlines
149 €
15 Sep
- 22 Sep
Frontier Airlines
157 €
direct
18 Sep
- 19 Sep
Frontier Airlines
157 €
direct
Also check the deals for one-way flights from Miami to San Juan in September .
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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