Islip to Boston (ISP-BOS): nonstop flights and who flies them

Cape Air flies nonstop between Islip (ISP) and Boston (BOS), roughly 21 times a week. With Cape Air running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. Cape Air fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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21
Nonstop flights a week
153 mi
Nonstop distance
Free
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Islip to Boston flight schedule

Scheduled nonstop departures for ISP to BOS, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Islip (ISP) to Boston (BOS)
Date Flight Airline Departs ISP Arrives BOS Duration Aircraft
9K 210Cape Air07:3108:561h 25mT12
9K 216Cape Air10:0511:301h 25mT12
9K 212Cape Air14:1115:411h 30mT12
9K 210Cape Air07:3108:561h 25mT12
9K 216Cape Air10:0511:301h 25mT12
9K 212Cape Air14:1115:411h 30mT12
9K 210Cape Air07:3108:561h 25mT12
9K 216Cape Air10:0511:301h 25mT12
9K 212Cape Air14:1115:411h 30mT12
9K 214Cape Air16:5018:151h 25mT12
9K 210Cape Air07:0508:301h 25mT12
9K 212Cape Air09:0510:301h 25mT12
9K 214Cape Air15:1016:351h 25mT12
9K 216Cape Air17:3418:591h 25mT12
9K 210Cape Air07:0508:301h 25mT12
9K 212Cape Air09:0510:301h 25mT12
9K 214Cape Air15:1016:351h 25mT12
9K 210Cape Air07:0508:301h 25mT12
9K 212Cape Air09:0510:301h 25mT12
9K 214Cape Air15:1016:351h 25mT12
9K 216Cape Air17:3418:591h 25mT12
9K 210Cape Air07:3108:561h 25mT12
9K 216Cape Air10:0511:301h 25mT12
9K 212Cape Air14:1115:411h 30mT12

Showing all 24 scheduled ISP to BOS departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every ISP to BOS date on the interactive map

The full ISP to BOS nonstop schedule

Cape Air fly the route nonstop in 2LNR's schedule data. This page carries the full ISP to BOS nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each ISP to BOS departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See ISP to BOS on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Islip to Boston nonstop

Carriers operating ISP to BOS nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See ISP to BOS on the interactive map →

Frequently asked questions about ISP to BOS

How far is Boston from Islip?
ISP to BOS covers about 153 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from ISP to BOS?
Cape Air is currently the only airline flying ISP to BOS nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the ISP to BOS schedule rather than a space claim.
How many flights a week are there from ISP to BOS?
About 21 nonstop flights a week run between Islip and Boston in the current schedule, operated by Cape Air. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from ISP to BOS depart?
Scheduled ISP to BOS nonstops in the next 7 days with service leave between 07:05 and 17:34, local time at Islip. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Does 2LNR show upgrade or award space on ISP to BOS?
Not on this route: none of Cape Air is a carrier 2LNR reads inventory for. The page carries the full ISP to BOS nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full ISP to BOS nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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