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: 04/04/2026
Fares From
$250
Viewed: 17 hours ago
One-way
Economy
Nantucket (ACK)to
Islip, Long Island (ISP)Depart: 03/30/2026
Fares From
$403
Viewed: 1 day ago
One-way
Economy
Lebanon, NH (LEB)to
Islip, Long Island (ISP)Depart: 03/17/2026
Fares From
$323
Viewed: 2 hours ago
One-way
Economy
Martha's Vineyard (MVY)to
Islip, Long Island (ISP)Depart: 03/30/2026
Fares From
$443
Viewed: 1 day ago
One-way
Economy
Saranac Lake (SLK)to
Islip, Long Island (ISP)Depart: 03/17/2026
Fares From
$333
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: 01/27/2027 | Fares From $250 Viewed: 21 hours ago |
| Bar Harbor (BHB) | Islip, Long Island (ISP) | One-way / Economy | Depart: 08/26/2026 | Fares From $483 Viewed: 1 day ago |
| Nantucket (ACK) | Islip, Long Island (ISP) | One-way / Economy | Depart: 03/30/2026 | Fares From $403 Viewed: 1 day ago |
| Lebanon, NH (LEB) | Islip, Long Island (ISP) | One-way / Economy | Depart: 03/17/2026 | Fares From $323 Viewed: 2 hours ago |
| Rockland, ME (RKD) | Islip, Long Island (ISP) | One-way / Economy | Depart: 04/23/2026 | Fares From $374 Viewed: 1 day ago |
| Augusta, ME (AUG) | Islip, Long Island (ISP) | One-way / Economy | Depart: 04/23/2026 | Fares From $329 Viewed: 1 day ago |
| Martha's Vineyard (MVY) | Islip, Long Island (ISP) | One-way / Economy | Depart: 04/02/2026 | Fares From $443 Viewed: 1 day ago |
| Provincetown, MA (PVC) | Islip, Long Island (ISP) | One-way / Economy | Depart: 09/16/2026 | Fares From $464 Viewed: 1 day ago |
| Saranac Lake (SLK) | Islip, Long Island (ISP) | One-way / Economy | Depart: 03/17/2026 | Fares From $333 Viewed: 1 day ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.