Cheapest return flights from Charleston to San Juan in March from $253

AirHint found the following cheapest return flights from Charleston (CHS) to San Juan (SJU) in March 2026 (see full year).

Return flights

02 Mar - 06 Mar Spirit Airlines
03 Mar - 06 Mar Spirit Airlines
12 Mar - 18 Mar Avelo Airlines
21 Mar - 08 Apr Spirit Airlines
31 Mar - 08 Apr Spirit Airlines
05 Mar - 08 Mar Avelo Airlines
18 Mar - 22 Mar Spirit Airlines
18 Mar - 20 Mar Spirit Airlines
21 Mar - 09 Apr Spirit Airlines
31 Mar - 09 Apr Spirit Airlines
21 Mar - 22 Mar Spirit Airlines

Also check the deals for one-way flights from Charleston to San Juan in March.

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