Cheapest return flights from Charleston to San Juan in July from $339

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

Return flights

21 Jul - 05 Aug Spirit Airlines
28 Jul - 05 Aug Spirit Airlines
18 Jul - 25 Jul jetBlue
14 Jul - 25 Jul Spirit Airlines
21 Jul - 25 Jul Spirit Airlines
22 Jul - 05 Aug Spirit Airlines
25 Jul - 05 Aug Spirit Airlines
27 Jul - 05 Aug Spirit Airlines
29 Jul - 05 Aug Spirit Airlines
18 Jul - 05 Aug Spirit Airlines
01 Jul - 05 Aug Breeze Airways
26 Jul - 05 Aug Spirit Airlines
08 Jul - 25 Jul Spirit Airlines
11 Jul - 25 Jul Spirit Airlines
15 Jul - 25 Jul Spirit Airlines
22 Jul - 25 Jul Spirit Airlines
23 Jul - 05 Aug Spirit Airlines
23 Jul - 25 Jul Spirit Airlines
24 Jul - 25 Jul Spirit Airlines
05 Jul - 25 Jul Spirit Airlines

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

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