Cheapest return flights from Islip to Charleston in October from $118

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

Return flights

03 Oct - 06 Oct Breeze Airways direct
31 Oct - 03 Nov Breeze Airways direct
10 Oct - 13 Oct Breeze Airways direct

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

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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