AirHint found the following cheapest return flights from Islip (ISP) to Tampa (TPA) in December 2025 (see full year).
Return flights
| 11 Dec - 14 Dec | Breeze Airways | ||
| 07 Dec - 11 Dec | Breeze Airways | ||
| 07 Dec - 11 Dec | Frontier Airlines | direct | |
| 12 Dec - 16 Dec | Southwest Airlines | ||
| 11 Dec - 14 Dec | Frontier Airlines | direct |
Also check the deals for one-way flights from Islip to Tampa in December.
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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