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

Cape Air flies nonstop between Boston (BOS) and Islip (ISP), roughly 24 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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24
Nonstop flights a week
153 mi
Nonstop distance
Free
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Boston to Islip flight schedule

Scheduled nonstop departures for BOS to ISP, 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 Boston (BOS) to Islip (ISP)
Date Flight Airline Departs BOS Arrives ISP Duration Aircraft
9K 211Cape Air09:2110:561h 35mT12
9K 213Cape Air16:0617:411h 35mT12
9K 217Cape Air18:4020:151h 35mT12
9K 211Cape Air09:2110:561h 35mT12
9K 213Cape Air16:0617:411h 35mT12
9K 217Cape Air18:4020:151h 35mT12
9K 211Cape Air09:2110:561h 35mT12
9K 219Cape Air11:5513:301h 35mT12
9K 213Cape Air16:0617:411h 35mT12
9K 217Cape Air18:4020:151h 35mT12
9K 211Cape Air08:5510:301h 35mT12
9K 219Cape Air10:5512:301h 35mT12
9K 213Cape Air17:0018:351h 35mT12
9K 217Cape Air19:2420:591h 35mT12
9K 213Cape Air17:0018:351h 35mT12
9K 217Cape Air19:2420:591h 35mT12
9K 211Cape Air08:5510:301h 35mT12
9K 219Cape Air10:5512:301h 35mT12
9K 213Cape Air17:0018:351h 35mT12
9K 217Cape Air19:2420:591h 35mT12
9K 211Cape Air09:2110:561h 35mT12
9K 213Cape Air16:0617:411h 35mT12
9K 217Cape Air18:4020:151h 35mT12

Showing all 23 scheduled BOS to ISP 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 BOS to ISP date on the interactive map

The full BOS to ISP nonstop schedule

Cape Air fly the route nonstop in 2LNR's schedule data. This page carries the full BOS to ISP 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 BOS to ISP 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 BOS to ISP on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Boston to Islip nonstop

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

See BOS to ISP on the interactive map →

Frequently asked questions about BOS to ISP

How far is Islip from Boston?
BOS to ISP 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 BOS to ISP?
Cape Air is currently the only airline flying BOS to ISP nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the BOS to ISP schedule rather than a space claim.
How many flights a week are there from BOS to ISP?
About 24 nonstop flights a week run between Boston and Islip 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 BOS to ISP depart?
Scheduled BOS to ISP nonstops in the next 7 days with service leave between 08:55 and 19:24, local time at Boston. 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 BOS to ISP?
Not on this route: none of Cape Air is a carrier 2LNR reads inventory for. The page carries the full BOS to ISP nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full BOS to ISP 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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