Cheapest return flights from Islip to Charleston in August from $98

AirHint found the following cheapest return flights from Islip (ISP) to Charleston (CHS) in August 2025 (see full year).

Return flights

30 Aug - 02 Sep Breeze Airways
20 Aug - 22 Aug Breeze Airways direct
12 Aug - 21 Aug Breeze Airways
28 Aug - 02 Sep Breeze Airways
19 Aug - 25 Aug Breeze Airways
01 Aug - 04 Aug Breeze Airways direct
16 Aug - 18 Aug Breeze Airways direct
21 Aug - 22 Aug Breeze Airways
29 Aug - 01 Sep Breeze Airways direct
25 Aug - 29 Aug Breeze Airways direct
09 Aug - 14 Aug Breeze Airways
30 Aug - 31 Aug Breeze Airways
22 Aug - 26 Aug Breeze Airways
28 Aug - 01 Sep Breeze Airways

Also check the deals for one-way flights from Islip to Charleston 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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