Cheapest return CLT–SJU flights, August

AirHint found the following cheapest return flights from Charlotte (CLT) to San Juan (SJU) in August 2026 (see full year).

Return flights

05 Aug - 12 Aug Frontier Airlines
12 Aug - 15 Aug Frontier Airlines
13 Aug - 17 Aug Frontier Airlines
13 Aug - 16 Aug Frontier Airlines
02 Aug - 07 Aug Frontier Airlines
20 Aug - 23 Aug Frontier Airlines
21 Aug - 30 Aug Frontier Airlines

Also check the deals for one-way flights from Charlotte 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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