Cheapest one-way flights from Miami to San Juan in August from $60

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

One-Way flights

19 Aug Frontier Airlines direct
18 Aug Frontier Airlines direct
25 Aug Spirit Airlines direct
30 Aug Frontier Airlines direct
11 Aug Frontier Airlines direct
05 Aug Spirit Airlines direct
14 Aug Frontier Airlines direct
09 Aug Frontier Airlines direct
15 Aug Frontier Airlines direct
13 Aug Frontier Airlines direct

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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