AirHint found the following cheapest return flights from Islip (ISP) to Orlando (MCO) in October 2025 (see full year).
Return flights
| 22 Oct - 24 Oct | Frontier Airlines | direct | |
| 10 Oct - 13 Oct | Southwest Airlines | ||
| 10 Oct - 13 Oct | Frontier Airlines | direct |
Also check the deals for one-way flights from Islip to Orlando in October.
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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