Cheapest return flights from Miami to San Juan in August from $154

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

Return flights

24 Aug - 29 Aug Frontier Airlines
24 Aug - 29 Aug Frontier Airlines direct
31 Aug - 04 Sep Frontier Airlines direct
15 Aug - 21 Aug Frontier Airlines direct
10 Aug - 14 Aug Frontier Airlines direct
29 Aug - 05 Sep Frontier Airlines direct
09 Aug - 16 Aug Frontier Airlines
14 Aug - 21 Aug Frontier Airlines
08 Aug - 15 Aug Frontier Airlines
04 Aug - 08 Aug Frontier Airlines direct
09 Aug - 13 Aug Frontier Airlines
02 Aug - 07 Aug Frontier Airlines
31 Aug - 07 Sep Frontier Airlines direct
30 Aug - 18 Sep Spirit Airlines direct
31 Aug - 18 Sep Spirit Airlines direct
23 Aug - 05 Sep Spirit Airlines
23 Aug - 01 Sep Spirit Airlines
26 Aug - 09 Sep Southwest Airlines
16 Aug - 05 Sep Spirit Airlines
23 Aug - 04 Sep Spirit Airlines direct

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

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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