Book direct flights from Boston to Islip: One way flights from SAR 1,200, round trip flights from SAR 1,926. Find flight deals for the next 3 months below.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Boston to Islip

The distance between Boston and Islip is about 247.06 km. It takes around 1 hour 31 minutes on average to fly from Boston to Islip. The most popular month to Islip is July. The off-season for travel is November.

Cheapest one-way flight priceSAR 672
Cheapest round-trip ticket priceSAR 1,505
Off-season for travelNovember
Peak season for travelJuly
Flight distance247.06 km
Average flight time1 hour 31 minutes

When is the cheapest time to fly from Boston to Islip?

The cheapest time for Boston to Islip flights: Nov 6 to Nov 12 — one way flight prices from SAR 466.

Cheapest flights
From price
Search
  • 2329
  • Nov

    305
  • 612
  • 1319
  • 2026
  • Dec

    273
  • 410
  • 1117
  • 1824
  • 2531
  • Jan

    17
  • 814
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • How long does it take to fly from Boston (BOS) to Islip (ISP) and what is the distance?

    It takes around 1 hour 31 minutes to fly from Boston (BOS) to Islip (ISP).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to Islip is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • The cheapest months to fly from Boston to Islip is November, when demand for travel is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Boston to Islip on October 30, 2025 with Cape Air, with prices starting at SAR 1,948.
  • The time difference between Islip and Boston is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.