Earn 50,000 Miles and a 1-year Discount Den membership after qualifying activity!
Terms Apply.
Flights from Islip, NY
expand_more
1 Traveler
expand_morePromo Code
expand_moretoday
today
Traveling From Islip, NY
Take the leap and book the trip you’ve been waiting for. Choose from over 100 destinations across the United States, or fly from the USA to some of your favorite destinations in Mexico and the Caribbean.
Best Flight Deals from Islip, NY with Frontier
flight_takeoff
flight_land
$
From | To | |||
|---|---|---|---|---|
| Islip, NY (ISP) | Orlando, FL (MCO) | One-way / Discount Den Basic Fare | Departing Feb 22, 2026 | From $19 Last seen: 15 hours ago |
| Islip, NY (ISP) | West Palm Beach, FL (PBI) | One-way / Discount Den Basic Fare | Departing Mar 3, 2026 | From $19 Last seen: 12 hours ago |
| Islip, NY (ISP) | Tampa, FL (TPA) | One-way / Discount Den Basic Fare | Departing Feb 1, 2026 | From $19 Last seen: 16 hours ago |
| Islip, NY (ISP) | Myrtle Beach, SC (MYR) | One-way / Discount Den Basic Fare | Departing Apr 9, 2026 | From $94 Last seen: 3 hours ago |
| Islip, NY (ISP) | Atlanta, GA (ATL) | One-way / Discount Den Basic Fare | Departing Feb 23, 2026 | From $33 Last seen: 10 hours ago |
| Islip, NY (ISP) | Raleigh, NC (RDU) | One-way / Discount Den Basic Fare | Departing Feb 19, 2026 | From $33 Last seen: 7 mins ago |
*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.
Explore Frontier's Top-Pick Destinations