Compare Islip, Long Island (ISP) Flights starting at $250
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1 Passenger, Economy
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Book the lowest fares to Islip, Long Island
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Boston (BOS)to
Islip, Long Island (ISP)Depart: 12/04/2025
Fares From
$250
Viewed: 17 hours ago
One-way
Economy
Hyannis (HYA)to
Islip, Long Island (ISP)Depart: 12/04/2025
Fares From
$383
Viewed: 7 hours ago
One-way
Economy
Lebanon, NH (LEB)to
Islip, Long Island (ISP)Depart: 11/22/2025
Fares From
$403
Viewed: 1 day ago
One-way
Economy
Rockland, ME (RKD)to
Islip, Long Island (ISP)Depart: 11/20/2025
Fares From
$428
Viewed: 9 hours ago
One-way
Economy
Saranac Lake (SLK)to
Islip, Long Island (ISP)Depart: 11/24/2025
Fares From
$413
Viewed: 1 day ago
One-way
Economy
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.
Best Islip, Long Island flight deals
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Boston (BOS) | Islip, Long Island (ISP) | One-way / Economy | Depart: 05/19/2026 | Fares From $250 Viewed: 22 hours ago |
| Nantucket (ACK) | Islip, Long Island (ISP) | One-way / Economy | Depart: 12/29/2025 | Fares From $443 Viewed: 9 hours ago |
| Provincetown, MA (PVC) | Islip, Long Island (ISP) | One-way / Economy | Depart: 07/07/2026 | Fares From $463 Viewed: 4 hours ago |
| Hyannis (HYA) | Islip, Long Island (ISP) | One-way / Economy | Depart: 12/04/2025 | Fares From $383 Viewed: 7 hours ago |
| Lebanon, NH (LEB) | Islip, Long Island (ISP) | One-way / Economy | Depart: 11/22/2025 | Fares From $403 Viewed: 1 day ago |
| Martha's Vineyard (MVY) | Islip, Long Island (ISP) | One-way / Economy | Depart: 01/17/2026 | Fares From $443 Viewed: 4 hours ago |
| Rockland, ME (RKD) | Islip, Long Island (ISP) | One-way / Economy | Depart: 11/20/2025 | Fares From $428 Viewed: 9 hours ago |
| Saranac Lake (SLK) | Islip, Long Island (ISP) | One-way / Economy | Depart: 11/24/2025 | Fares From $413 Viewed: 1 day ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.