Cheapest return flights from Charlotte to San Juan in August from 251€

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

Return flights

19 Aug - 23 Aug Frontier Airlines
18 Aug - 23 Aug Frontier Airlines
18 Aug - 26 Aug Spirit Airlines
11 Aug - 26 Aug Spirit Airlines
19 Aug - 26 Aug Frontier Airlines
20 Aug - 24 Aug Frontier Airlines
11 Aug - 15 Aug Frontier Airlines
18 Aug - 24 Aug Spirit Airlines
11 Aug - 24 Aug Spirit Airlines
11 Aug - 23 Aug Spirit Airlines
18 Aug - 07 Sep Spirit Airlines
19 Aug - 07 Sep Spirit Airlines
20 Aug - 07 Sep Spirit 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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