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: 08/07/2026
Fares From
$249
Viewed: 3 hours ago
One-way
Economy
Martha's Vineyard (MVY)to
Islip, Long Island (ISP)Depart: 07/17/2026
Fares From
$563
Viewed: 12 hours ago
One-way
Economy
Augusta, ME (AUG)to
Islip, Long Island (ISP)Depart: 07/16/2026
Fares From
$383
Viewed: 9 hours ago
One-way
Economy
Hyannis (HYA)to
Islip, Long Island (ISP)Depart: 07/28/2026
Fares From
$403
Viewed: 13 hours ago
One-way
Economy
Bar Harbor (BHB)to
Islip, Long Island (ISP)Depart: 08/04/2026
Fares From
$523
Viewed: 17 hours ago
One-way
Economy
Saranac Lake (SLK)to
Islip, Long Island (ISP)Depart: 08/01/2026
Fares From
$433
Viewed: 18 hours ago
One-way
Economy
Nantucket (ACK)to
Islip, Long Island (ISP)Depart: 07/24/2026
Fares From
$503
Viewed: 1 day ago
One-way
Economy
Lebanon, NH (LEB)to
Islip, Long Island (ISP)Depart: 08/02/2026
Fares From
$383
Viewed: 1 day ago
One-way
Economy
Provincetown, MA (PVC)to
Islip, Long Island (ISP)Depart: 07/24/2026
Fares From
$443
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: 05/31/2027 | Fares From $249 Viewed: 7 hours ago |
| Martha's Vineyard (MVY) | Islip, Long Island (ISP) | One-way / Economy | Depart: 09/10/2026 | Fares From $543 Viewed: 1 day ago |
| Augusta, ME (AUG) | Islip, Long Island (ISP) | One-way / Economy | Depart: 07/16/2026 | Fares From $383 Viewed: 9 hours ago |
| Hyannis (HYA) | Islip, Long Island (ISP) | One-way / Economy | Depart: 07/28/2026 | Fares From $403 Viewed: 13 hours ago |
| Bar Harbor (BHB) | Islip, Long Island (ISP) | One-way / Economy | Depart: 05/17/2027 | Fares From $363 Viewed: 14 hours ago |
| Saranac Lake (SLK) | Islip, Long Island (ISP) | One-way / Economy | Depart: 08/04/2026 | Fares From $433 Viewed: 18 hours ago |
| Nantucket (ACK) | Islip, Long Island (ISP) | One-way / Economy | Depart: 07/24/2026 | Fares From $503 Viewed: 1 day ago |
| Lebanon, NH (LEB) | Islip, Long Island (ISP) | One-way / Economy | Depart: 11/27/2026 | Fares From $313 Viewed: 16 hours ago |
| Provincetown, MA (PVC) | Islip, Long Island (ISP) | One-way / Economy | Depart: 07/24/2026 | Fares From $443 Viewed: 17 hours ago |
| Rockland, ME (RKD) | Islip, Long Island (ISP) | One-way / Economy | Depart: 08/23/2026 | Fares From $373 Viewed: 18 hours ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.