Cheapest one-way MIA–SJU flights, August

AirHint found the following cheapest one-way flights from Miami (MIA) to San Juan (SJU) in August 2026 (see full year).

One-Way flights

23 Aug Spirit Airlines direct
06 Aug Frontier Airlines direct
07 Aug Frontier Airlines direct
17 Aug Frontier Airlines direct
22 Aug Frontier Airlines direct
28 Aug Frontier Airlines direct
08 Aug Frontier Airlines direct
18 Aug Frontier Airlines
20 Aug Frontier Airlines
04 Aug Frontier Airlines

Also check the deals for return flights from Miami to San Juan in August.

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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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