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: 03/02/2026
Fares From
$250
Viewed: 13 hours ago
One-way
Economy
Hyannis (HYA)to
Islip, Long Island (ISP)Depart: 03/24/2026
Fares From
$369
Viewed: 1 day ago
One-way
Economy
Rockland, ME (RKD)to
Islip, Long Island (ISP)Depart: 03/09/2026
Fares From
$324
Viewed: 22 hours ago
One-way
Economy
Saranac Lake (SLK)to
Islip, Long Island (ISP)Depart: 03/09/2026
Fares From
$323
Viewed: 22 hours 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: 12/01/2026 | Fares From $250 Viewed: 19 hours ago |
| Provincetown, MA (PVC) | Islip, Long Island (ISP) | One-way / Economy | Depart: 09/10/2026 | Fares From $464 Viewed: 2 minutes ago |
| Nantucket (ACK) | Islip, Long Island (ISP) | One-way / Economy | Depart: 07/21/2026 | Fares From $463 Viewed: 4 hours ago |
| Augusta, ME (AUG) | Islip, Long Island (ISP) | One-way / Economy | Depart: 06/15/2026 | Fares From $333 Viewed: 18 hours ago |
| Bar Harbor (BHB) | Islip, Long Island (ISP) | One-way / Economy | Depart: 06/28/2026 | Fares From $363 Viewed: 2 hours ago |
| Hyannis (HYA) | Islip, Long Island (ISP) | One-way / Economy | Depart: 03/27/2026 | Fares From $349 Viewed: 1 day ago |
| Lebanon, NH (LEB) | Islip, Long Island (ISP) | One-way / Economy | Depart: 05/05/2026 | Fares From $333 Viewed: 21 hours ago |
| Martha's Vineyard (MVY) | Islip, Long Island (ISP) | One-way / Economy | Depart: 04/26/2026 | Fares From $603 Viewed: 1 day ago |
| Rockland, ME (RKD) | Islip, Long Island (ISP) | One-way / Economy | Depart: 03/09/2026 | Fares From $324 Viewed: 22 hours ago |
| Saranac Lake (SLK) | Islip, Long Island (ISP) | One-way / Economy | Depart: 03/07/2026 | Fares From $323 Viewed: 22 hours ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.