Cheap flights from Islip to Boston
153 mi · 45m average nonstop
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Quick answer: Islip to Boston at a glance
Cheap flights from Islip (ISP) to Boston (BOS) cover 153 miles (246 km) in about 45m nonstop, with 2 airlines flying direct — a short-haul domestic route. Search Kayak for today's cheapest live fare. Route difficulty 1/10.
Summary computed from real OpenFlights coordinates — not an estimate. Prices update live on Kayak.
Flying from Islip to Boston covers 153 miles (246 km) in approximately 0 hour 45 minutes. This is the most competitive route from Islip (ISP), with 2 airlines offering direct flights — the highest airline count of any destination from this airport. This is a short-haul domestic route typically served by direct flights.
Nonstop distance 153 miles. Direct carriers include AS and KS.
We don't track historical prices for this route yet. Search live fares on Kayak for today's best price across 100+ airlines and booking sites.
Airlines on this route
2 airlines fly Islip → Boston. All are direct routes.
| Airline | Route type |
|---|---|
| AS | Direct |
| KS | Direct |
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Islip to Boston — quick answers
How far is Islip from Boston by plane?
The nonstop flight distance from Islip (ISP) to Boston (BOS) is 153 miles (246 km), calculated as a great-circle line from published OpenFlights airport coordinates. Actual flown distance is slightly longer due to airways and winds.
How long is the flight from Islip to Boston?
The average nonstop flight time from ISP to BOS is 45 minutes. Gate-to-gate time is usually 20–35 minutes longer; connecting itineraries add 1–4 hours depending on the layover.
Which airlines fly from Islip to Boston?
2 airlines serve this route nonstop: AS, KS. Schedules and amenities differ by carrier — compare live frequencies and fare classes on Kayak before you book.