Compare Islip, Long Island (ISP) Flights starting at $249
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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: 08/23/2026
Fares From
$249
Viewed: 3 hours ago
One-way
Economy
Hyannis (HYA)to
Islip, Long Island (ISP)Depart: 09/03/2026
Fares From
$403
Viewed: 1 day ago
One-way
Economy
Provincetown, MA (PVC)to
Islip, Long Island (ISP)Depart: 08/19/2026
Fares From
$443
Viewed: 14 hours ago
One-way
Economy
Nantucket (ACK)to
Islip, Long Island (ISP)Depart: 08/14/2026
Fares From
$553
Viewed: 21 hours ago
One-way
Economy
Martha's Vineyard (MVY)to
Islip, Long Island (ISP)Depart: 09/01/2026
Fares From
$543
Viewed: 19 hours ago
One-way
Economy
Augusta, ME (AUG)to
Islip, Long Island (ISP)Depart: 08/15/2026
Fares From
$343
Viewed: 14 hours ago
One-way
Economy
Lebanon, NH (LEB)to
Islip, Long Island (ISP)Depart: 08/15/2026
Fares From
$323
Viewed: 1 day ago
One-way
Economy
Saranac Lake (SLK)to
Islip, Long Island (ISP)Depart: 08/11/2026
Fares From
$463
Viewed: 17 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: 07/01/2027 | Fares From $249 Viewed: 7 hours ago |
| Hyannis (HYA) | Islip, Long Island (ISP) | One-way / Economy | Depart: 10/02/2026 | Fares From $383 Viewed: 1 day ago |
| Provincetown, MA (PVC) | Islip, Long Island (ISP) | One-way / Economy | Depart: 08/19/2026 | Fares From $443 Viewed: 14 hours ago |
| Nantucket (ACK) | Islip, Long Island (ISP) | One-way / Economy | Depart: 08/14/2026 | Fares From $553 Viewed: 21 hours ago |
| Martha's Vineyard (MVY) | Islip, Long Island (ISP) | One-way / Economy | Depart: 09/01/2026 | Fares From $543 Viewed: 19 hours ago |
| Augusta, ME (AUG) | Islip, Long Island (ISP) | One-way / Economy | Depart: 08/15/2026 | Fares From $343 Viewed: 14 hours ago |
| Bar Harbor (BHB) | Islip, Long Island (ISP) | One-way / Economy | Depart: 09/17/2026 | Fares From $413 Viewed: 1 day ago |
| Lebanon, NH (LEB) | Islip, Long Island (ISP) | One-way / Economy | Depart: 08/15/2026 | Fares From $323 Viewed: 1 day ago |
| Saranac Lake (SLK) | Islip, Long Island (ISP) | One-way / Economy | Depart: 10/21/2026 | Fares From $363 Viewed: 11 hours ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.