AirHint found the following cheapest return flights from Miami (MIA) to San Juan (SJU)
in August 2025 (see full year ).
Return flights
06 Aug
- 13 Aug
Frontier Airlines
183 €
direct
09 Aug
- 13 Aug
Frontier Airlines
189 €
direct
10 Aug
- 17 Aug
Frontier Airlines
223 €
direct
09 Aug
- 16 Aug
Frontier Airlines
230 €
direct
07 Aug
- 14 Aug
Frontier Airlines
257 €
direct
13 Aug
- 18 Aug
Frontier Airlines
263 €
direct
09 Aug
- 17 Aug
Frontier Airlines
269 €
direct
16 Aug
- 27 Aug
American Airlines
310 €
direct
09 Aug
- 11 Aug
Frontier Airlines
321 €
direct
16 Aug
- 20 Aug
Southwest Airlines
331 €
Also check the deals for one-way flights from Miami to San Juan in August .
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.