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Flights from Islip to Boston

Search for direct flights from Islip to Boston in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at NZD 421, and round-trip direct flights start at NZD 824.

      • Cheapest nonstop
        ISP 09:59
        1h 25m
        Nonstop
        BOS 11:24
        Islip - Boston | Sun, Jan 11 | Cape Air
        BOS 09:30
        1h 35m
        Nonstop
        ISP 11:05
        Boston - Islip | Sun, Jan 18 | Cape Air
        NZD 824 NZD 939
        12% OFF
        12% OFF
        NZD 939 NZD 824
      • ISP 07:25
        1h 34m
        Nonstop
        BOS 08:59
        Islip - Boston | Thu, Jan 8 | Cape Air
        BOS 18:19
        1h 26m
        Nonstop
        ISP 19:45
        Boston - Islip | Thu, Jan 15 | Cape Air
        NZD 824 NZD 939
        12% OFF
        12% OFF
        NZD 939 NZD 824
      • ISP 07:25
        1h 34m
        Nonstop
        BOS 08:59
        Islip - Boston | Mon, Jan 12 | Cape Air
        BOS 09:30
        1h 35m
        Nonstop
        ISP 11:05
        Boston - Islip | Mon, Jan 19 | Cape Air
        NZD 824 NZD 939
        12% OFF
        12% OFF
        NZD 939 NZD 824
      • ISP 12:30
        1h 34m
        Nonstop
        BOS 14:04
        Islip - Boston | Fri, Dec 19 | Cape Air
        BOS 14:34
        1h 36m
        Nonstop
        ISP 16:10
        Boston - Islip | Tue, Dec 23 | Cape Air
        NZD 824
        12% OFF
        NZD 939 NZD 824
      • ISP 09:59
        1h 25m
        Nonstop
        BOS 11:24
        Islip - Boston | Fri, Jan 9 | Cape Air
        BOS 09:30
        1h 35m
        Nonstop
        ISP 11:05
        Boston - Islip | Fri, Jan 16 | Cape Air
        NZD 826
        12% OFF
        NZD 939 NZD 826
      • ISP 09:59
        1h 25m
        Nonstop
        BOS 11:24
        Islip - Boston | Wed, Jan 14 | Cape Air
        BOS 18:19
        1h 26m
        Nonstop
        ISP 19:45
        Boston - Islip | Wed, Jan 21 | Cape Air
        NZD 826
        12% OFF
        NZD 939 NZD 826
      • ISP 12:30
        1h 34m
        Nonstop
        BOS 14:04
        Islip - Boston | Sat, Dec 13 | Cape Air
        BOS 14:34
        1h 36m
        Nonstop
        ISP 16:10
        Boston - Islip | Sun, Dec 14 | Cape Air
        NZD 835
        11% OFF
        NZD 939 NZD 835
      • ISP 12:30
        1h 34m
        Nonstop
        BOS 14:04
        Islip - Boston | Sat, Dec 20 | Cape Air
        BOS 14:34
        1h 36m
        Nonstop
        ISP 16:10
        Boston - Islip | Wed, Dec 24 | Cape Air
        NZD 835
        11% OFF
        NZD 939 NZD 835
      • ISP 11:05
        27h 45m
        1 stop
        BOS 14:50
        Islip - Boston | Wed, Jan 7 | Jetblue Airways
        BOS 19:30
        22h 20m
        1 stop
        ISP 17:50
        Boston - Islip | Thu, Jan 8 | Jetblue Airways
        NZD 784
        17% OFF
        NZD 939 NZD 784
      • ISP 12:30
        1h 34m
        Nonstop
        BOS 14:04
        Islip - Boston | Wed, Jan 7 | Cape Air
        BOS 19:30
        22h 20m
        1 stop
        ISP 17:50
        Boston - Islip | Thu, Jan 8 | Jetblue Airways
        NZD 834
        11% OFF
        NZD 939 NZD 834
      • ISP 13:00
        17h 25m
        1 stop
        BOS Invalid Date
        Islip - Boston | Fri, Dec 12 | Normal Airline
        BOS 15:00
        6h
        Nonstop
        ISP 16:00
        Boston - Islip | Sun, Dec 14 | Normal Airline
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Displayed flight fares from Islip to Boston are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Islip to Boston Flight Details

The distance between Islip and Boston is about 247.06 km. The average flying time from Islip to Boston is around 1 hour 27 minutes. Based on Trip.com's latest data, travel demand is highest in August. The off-season for travel is November.

Cheapest one-way flight priceNZD 99
Cheapest return ticket priceNZD 784
Cheapest monthNovember
Peak season for travelAugust
Flight distance247.06 km
Average flight time1 hour 27 minutes

When is the cheapest time to book flights from Islip to Boston?

The cheapest time to fly from Islip to Boston: Jan 4 to Jan 11 — one-way prices start at NZD 98.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Islip to Boston (ISP-BOS)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as NZD 99 on Cheapest nonstop routes (e.g. ISP to BOS on Sun, Jan 11), while Jetblue Airways offers Cheapest nonstop round-trips from NZD 784 departing on Wed, Jan 7 and returning on Thu, Jan 8.
  • It takes about 1 hour 27 minutes to fly from Islip to Boston.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Islip to Boston 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.
  • To find best deals on flights from Islip to Boston, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Jan 11, with one-way flights priced at just NZD 99.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Cape Air.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Boston travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Islip to Boston is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Islip to Boston on December 19, 2025 with Cape Air, with prices starting at NZD 823.
  • The time difference between Boston and Islip 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.

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