Boston (BOS) to Islip, Long Island (ISP) Flight Deals from $250!

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Cape Air Tickets for Upcoming Boston (BOS) to Islip, Long Island (ISP) Flights

*Prices have been viewed by other users searching within the last 48 hours for flights on this route, and may not be currently available. Additional baggage charges and fees may apply. Other terms and conditions may apply.

Find Boston to Islip, Long Island plane ticket offers

Find Boston to Islip, Long Island plane ticket offers
From
To
Fare Type
Dates
Price
Boston (BOS)Islip, Long Island (ISP)One-way
/
Economy		Depart: 10/16/2025

Fares From

$250

Viewed: 1 day ago

Boston (BOS)Islip, Long Island (ISP)One-way
/
Economy		Depart: 10/18/2025

Fares From

$250

Viewed: 1 day ago

Boston (BOS)Islip, Long Island (ISP)One-way
/
Economy		Depart: 10/21/2025

Fares From

$250

Viewed: 1 day ago

Boston (BOS)Islip, Long Island (ISP)One-way
/
Economy		Depart: 11/15/2025

Fares From

$250

Viewed: 7 hours ago

Boston (BOS)Islip, Long Island (ISP)One-way
/
Economy		Depart: 09/13/2025

Fares From

$250

Viewed: 6 hours ago

Boston (BOS)Islip, Long Island (ISP)One-way
/
Economy		Depart: 09/17/2025

Fares From

$250

Viewed: 3 hours ago

*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.

Boston (BOS) to Islip, Long Island (ISP) Flight Deals