Cheap flights from Islip to Boston

One-way fares from $291 · ISP → BOS · prices found by travellers in the last 48 hours

Compare all dates Boston → Islip
Cheapest fare
$291

Breeze Airways · Tue, Nov 10

Cheapest month
November

from $291

Direct flights
Not recently

Usually 1+ stop

Quickest trip
8h 16m

240 km

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Cheapest month to fly from Islip to Boston

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $291

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Breeze Airways
Depart12:00 Tue, Nov 10ISP → BOS 8h 16m · 3 stops
$291one way, per person
View deal
See every date in November 2026 →

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Getting around

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About flights from Islip to Boston

Islip (ISP) and Boston (BOS) are about 240 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 8h 16m. Over the next few months, one-way fares start from $291, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Islip to Boston?

The cheapest one-way fare we've seen recently is $291 with Breeze Airways, departing Tuesday, November 10, 2026.

What is the cheapest month to fly from Islip to Boston?

November 2026 currently has the lowest fares, from $291 one way.

Are there direct flights from Islip to Boston?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Islip to Boston?

The quickest journey we've seen takes about 8h 16m. Islip and Boston are around 240 km apart.

Which airlines fly from Islip to Boston?

Recent fares on this route were with Breeze Airways.

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