Compare Islip, Long Island (ISP) Flights starting at $249

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Book the lowest fares to Islip, Long Island

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Boston (BOS)to

Islip, Long Island (ISP)
Depart: 10/04/2026
Fares From
$249
Viewed: 19 hours ago
One-way
Economy

Lebanon, NH (LEB)to

Islip, Long Island (ISP)
Depart: 09/21/2026
Fares From
$323
Viewed: 11 hours ago
One-way
Economy

Rockland, ME (RKD)to

Islip, Long Island (ISP)
Depart: 09/17/2026
Fares From
$393
Viewed: 5 hours ago
One-way
Economy

Hyannis (HYA)to

Islip, Long Island (ISP)
Depart: 09/19/2026
Fares From
$469
Viewed: 5 hours ago
One-way
Economy

Augusta, ME (AUG)to

Islip, Long Island (ISP)
Depart: 09/17/2026
Fares From
$323
Viewed: 5 hours ago
One-way
Economy

Martha's Vineyard (MVY)to

Islip, Long Island (ISP)
Depart: 09/18/2026
Fares From
$603
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

$
Best Islip, Long Island flight deals
From
To
Fare Type
Dates
Price
Boston (BOS)Islip, Long Island (ISP)One-way
/
Economy		Depart: 08/04/2027

Fares From

$249

Viewed: 23 hours ago

Lebanon, NH (LEB)Islip, Long Island (ISP)One-way
/
Economy		Depart: 09/21/2026

Fares From

$323

Viewed: 11 hours ago

Rockland, ME (RKD)Islip, Long Island (ISP)One-way
/
Economy		Depart: 09/17/2026

Fares From

$393

Viewed: 5 hours ago

Hyannis (HYA)Islip, Long Island (ISP)One-way
/
Economy		Depart: 09/19/2026

Fares From

$469

Viewed: 5 hours ago

Augusta, ME (AUG)Islip, Long Island (ISP)One-way
/
Economy		Depart: 09/17/2026

Fares From

$323

Viewed: 5 hours ago

Martha's Vineyard (MVY)Islip, Long Island (ISP)One-way
/
Economy		Depart: 09/18/2026

Fares From

$603

Viewed: 1 day ago

*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.
Compare Islip, Long Island (ISP) Flights