Cheapest return flights from Charleston to San Juan in July from $228

AirHint found the following cheapest return flights from Charleston (CHS) to San Juan (SJU) in July 2025 (see full year).

Return flights

14 Jul - 18 Jul Spirit Airlines
14 Jul - 24 Jul Spirit Airlines
11 Jul - 18 Jul Frontier Airlines
21 Jul - 25 Jul Spirit Airlines
18 Jul - 24 Jul Spirit Airlines
17 Jul - 21 Jul Spirit Airlines
11 Jul - 13 Jul Frontier Airlines
17 Jul - 24 Jul Spirit Airlines
14 Jul - 21 Jul Spirit Airlines
11 Jul - 24 Jul Spirit Airlines
22 Jul - 14 Aug jetBlue
30 Jul - 04 Aug jetBlue
31 Jul - 11 Aug Spirit Airlines

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

Skyscanner

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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