Cheapest return flights from Miami to San Juan in August from $275

Best time to book flights for Miami (MIA) to San Juan (SJU) flights at AirHint

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

Return flights

11 Aug - 22 Aug Spirit Airlines
21 Aug - 24 Aug Spirit Airlines direct
11 Aug - 17 Aug American Airlines direct
09 Aug - 23 Aug Delta
09 Aug - 16 Aug Delta
09 Aug - 16 Aug American Airlines direct
18 Aug - 22 Aug Spirit Airlines
24 Aug - 25 Aug Spirit Airlines
12 Aug - 19 Aug Spirit Airlines
13 Aug - 20 Aug American Airlines direct
29 Aug - 04 Sep Spirit Airlines
30 Aug - 02 Sep Spirit Airlines
30 Aug - 02 Sep American Airlines direct
21 Aug - 01 Sep Spirit Airlines
29 Aug - 02 Sep Spirit Airlines
30 Aug - 06 Sep Spirit Airlines

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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