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: 02/15/2026
Fares From
$250
Viewed: 23 hours ago
One-way
Economy
Saranac Lake (SLK)to
Islip, Long Island (ISP)Depart: 02/07/2026
Fares From
$323
Viewed: 1 day ago
One-way
Economy
Bar Harbor (BHB)to
Islip, Long Island (ISP)Depart: 02/20/2026
Fares From
$383
Viewed: 2 hours ago
One-way
Economy
Hyannis (HYA)to
Islip, Long Island (ISP)Depart: 02/18/2026
Fares From
$349
Viewed: 1 day ago
One-way
Economy
Martha's Vineyard (MVY)to
Islip, Long Island (ISP)Depart: 03/04/2026
Fares From
$403
Viewed: 4 hours ago
One-way
Economy
Rutland (RUT)to
Islip, Long Island (ISP)Depart: 02/16/2026
Fares From
$319
Viewed: 1 hour 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: 02/22/2026 | Fares From $250 Viewed: 23 hours ago |
| Nantucket (ACK) | Islip, Long Island (ISP) | One-way / Economy | Depart: 06/02/2026 | Fares From $543 Viewed: 1 day ago |
| Saranac Lake (SLK) | Islip, Long Island (ISP) | One-way / Economy | Depart: 02/07/2026 | Fares From $323 Viewed: 1 day ago |
| Bar Harbor (BHB) | Islip, Long Island (ISP) | One-way / Economy | Depart: 02/15/2026 | Fares From $383 Viewed: 2 hours ago |
| Hyannis (HYA) | Islip, Long Island (ISP) | One-way / Economy | Depart: 02/18/2026 | Fares From $349 Viewed: 1 day ago |
| Augusta, ME (AUG) | Islip, Long Island (ISP) | One-way / Economy | Depart: 04/22/2026 | Fares From $339 Viewed: 1 day ago |
| Lebanon, NH (LEB) | Islip, Long Island (ISP) | One-way / Economy | Depart: 04/13/2026 | Fares From $323 Viewed: 6 hours ago |
| Martha's Vineyard (MVY) | Islip, Long Island (ISP) | One-way / Economy | Depart: 03/04/2026 | Fares From $403 Viewed: 4 hours ago |
| Rutland (RUT) | Islip, Long Island (ISP) | One-way / Economy | Depart: 02/21/2026 | Fares From $319 Viewed: 1 hour ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.