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Flights from Morristown to Islip

There are no flights available between Morristown and Islip. See below for nearby flight options from New York to Islip.

      • JFK 20:00
        24h
        1 stop
        ISP 20:00
        New York - Islip | Thu, Jan 22 | Jetblue Airways
        ISP 19:43
        21h 10m
        1 stop
        EWR 16:53
        Islip - New York | Mon, Jan 26 | Frontier Airlines
        NZD 327 NZD 584
        44% OFF
        44% OFF
        NZD 584 NZD 327
      • JFK 16:25
        16h 15m
        1 stop
        ISP 08:40
        New York - Islip | Sat, Jan 24 | Frontier Airlines
        ISP 21:43
        17h 44m
        1 stop
        JFK 15:27
        Islip - New York | Fri, Jan 30 | Frontier Airlines
        NZD 331 NZD 584
        43% OFF
        43% OFF
        NZD 584 NZD 331
      • LGA 12:00
        20h 55m
        1 stop
        ISP 08:55
        New York - Islip | Thu, Jan 22 | Frontier Airlines
        ISP 09:40
        25h 25m
        1 stop
        LGA 11:05
        Islip - New York | Mon, Jan 26 | Jetblue Airways
        NZD 352 NZD 584
        40% OFF
        40% OFF
        NZD 584 NZD 352
      • LGA 09:55
        22h 45m
        1 stop
        ISP 08:40
        New York - Islip | Sat, Jan 24 | Spirit Airlines
        ISP 21:43
        22h 17m
        1 stop
        LGA 20:00
        Islip - New York | Fri, Jan 30 | Frontier Airlines
        NZD 374
        36% OFF
        NZD 584 NZD 374
      • EWR 18:10
        14h 30m
        1 stop
        ISP 08:40
        New York - Islip | Sat, Jan 24 | Jetblue Airways
        ISP 21:43
        24h 17m
        1 stop
        EWR 22:00
        Islip - New York | Fri, Jan 30 | Frontier Airlines
        NZD 399
        32% OFF
        NZD 584 NZD 399
      • JFK 15:50
        8h 9m
        1 stop
        ISP 23:59
        New York - Islip | Fri, Jan 16 | Jetblue Airways
        ISP 06:00
        18h 3m
        1 stop
        JFK 00:03
        Islip - New York | Sun, Jan 18 | Frontier Airlines
        NZD 432
        26% OFF
        NZD 584 NZD 432
      • EWR 16:35
        27h 25m
        1 stop
        ISP 20:00
        New York - Islip | Thu, Jan 22 | United Airlines
        ISP 19:43
        21h 12m
        1 stop
        EWR 16:55
        Islip - New York | Mon, Jan 26 | Frontier Airlines
        NZD 447
        23% OFF
        NZD 584 NZD 447
      • LGA 07:30
        25h 10m
        1 stop
        ISP 08:40
        New York - Islip | Sat, Jan 24 | American Airlines
        ISP 21:43
        19h 17m
        1 stop
        LGA 17:00
        Islip - New York | Fri, Jan 30 | Frontier Airlines
        NZD 460
        21% OFF
        NZD 584 NZD 460
      • JFK 13:30
        10h 29m
        1 stop
        ISP 23:59
        New York - Islip | Thu, Dec 11 | Jetblue Airways
        ISP 06:15
        28h 28m
        1 stop
        JFK 10:43
        Islip - New York | Sun, Dec 14 | Frontier Airlines
        NZD 512
        12% OFF
        NZD 584 NZD 512
      • EWR 12:30
        20h 10m
        1 stop
        ISP 08:40
        New York - Islip | Sat, Jan 24 | United Airlines
        ISP 21:43
        13h 47m
        1 stop
        EWR 11:30
        Islip - New York | Fri, Jan 30 | Frontier Airlines
        NZD 526
        10% OFF
        NZD 584 NZD 526
      • NYC 13:00
        17h 25m
        1 stop
        ISP Invalid Date
        New York - Islip | Sat, Dec 13 | Normal Airline
        ISP 15:00
        6h
        Direct
        NYC 16:00
        Islip - New York | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • JFK 16:25
        26h 23m
        1 stop
        ISP 18:48
        New York - Islip | Wed, Jan 28 | Frontier Airlines
        NZD 86 NZD 214
        60% OFF
        60% OFF
        NZD 214 NZD 86
      • JFK 06:29
        26h 26m
        1 stop
        ISP 08:55
        New York - Islip | Sat, Jan 17 | Frontier Airlines
        NZD 108 NZD 214
        49% OFF
        49% OFF
        NZD 214 NZD 108
      • JFK 11:23
        21h 32m
        1 stop
        ISP 08:55
        New York - Islip | Thu, Feb 5 | Frontier Airlines
        NZD 115 NZD 214
        46% OFF
        46% OFF
        NZD 214 NZD 115
      • JFK 06:59
        12h 35m
        1 stop
        ISP 19:34
        New York - Islip | Tue, Dec 16 | Frontier Airlines
        NZD 131
        39% OFF
        NZD 214 NZD 131
      • EWR 18:00
        28h 46m
        1 stop
        ISP 22:46
        New York - Islip | Tue, Jan 13 | Jetblue Airways
        NZD 141
        34% OFF
        NZD 214 NZD 141
      • JFK 07:59
        29h 10m
        1 stop
        ISP 13:09
        New York - Islip | Thu, Dec 18 | Frontier Airlines
        NZD 159
        26% OFF
        NZD 214 NZD 159
      • LGA 07:00
        16h 59m
        1 stop
        ISP 23:59
        New York - Islip | Thu, Dec 11 | Jetblue Airways
        NZD 167
        22% OFF
        NZD 214 NZD 167
      • LGA 21:35
        11h 20m
        1 stop
        ISP 08:55
        New York - Islip | Thu, Feb 5 | Jetblue Airways
        NZD 178
        17% OFF
        NZD 214 NZD 178
      • LGA 09:29
        8h 23m
        1 stop
        ISP 17:52
        New York - Islip | Sat, Jan 17 | Jetblue Airways
        NZD 178
        17% OFF
        NZD 214 NZD 178
      • EWR 06:00
        13h 34m
        1 stop
        ISP 19:34
        New York - Islip | Tue, Dec 16 | Jetblue Airways
        NZD 192
        10% OFF
        NZD 214 NZD 192
      • NYC 13:00
        17h 25m
        1 stop
        ISP Invalid Date
        New York - Islip | Sat, Dec 13 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Morristown to Islip are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Morristown to Islip

Check flight details from New York to Islip: distance, average duration, and cheapest month to plan your trip from Morristown to Islip.

Cheapest one-way flight priceNZD 86
Cheapest round-trip ticket priceNZD 327
Off-season for travelOctober
Peak season for travelJuly
Flight distance75.43 km

Find the best time to fly from Morristown to Islip

Check price trends for flights from New York to Islip to find the cheapest month to travel from Morristown to Islip.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Morristown to Islip, calculated over the upcoming 10 weeks.

Flight FAQs

FAQs about flights from Morristown to Islip (no local airports)

  • What are the cheapest flights from New York to Islip (NYC-ISP)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as NZD 86 on Cheapest nonstop routes (e.g. JFK to ISP on Wed, Jan 28), while Jetblue Airways offers Cheapest nonstop round-trips from NZD 327 departing on Thu, Jan 22 and returning on Mon, Jan 26.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from New York 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.
  • To find best deals on flights from New York to Islip, 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 Wed, Jan 28, with one-way flights priced at just NZD 86.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · 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 Islip travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from New York to Islip is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from New York to Islip on December 11, 2025 with Jetblue Airways, with prices starting at NZD 511.
  • The time difference between Islip and New York 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.