Trip.com
>
Flights
>
Flights to United States
>
Flights to New York State
>
Flights to Islip
>
Flights from Morristown to Islip

No flights were found from Morristown to Islip. Instead, check out the deals below for nearby routes from New York to Islip.

      • JFK 8:00 PM
        24h
        1 stop
        ISP 8:00 PM
        New York - Islip | Thu, Jan 22 | Jetblue Airways
        ISP 7:43 PM
        21h 10m
        1 stop
        EWR 4:53 PM
        Islip - New York | Mon, Jan 26 | Frontier Airlines
        INR 17,016 INR 30,426
        44% OFF
        44% OFF
        INR 30,426 INR 17,016
      • JFK 4:25 PM
        16h 15m
        1 stop
        ISP 8:40 AM
        New York - Islip | Sat, Jan 24 | Frontier Airlines
        ISP 9:43 PM
        17h 44m
        1 stop
        JFK 3:27 PM
        Islip - New York | Fri, Jan 30 | Frontier Airlines
        INR 17,233 INR 30,426
        43% OFF
        43% OFF
        INR 30,426 INR 17,233
      • LGA 12:00 PM
        20h 55m
        1 stop
        ISP 8:55 AM
        New York - Islip | Thu, Jan 22 | Frontier Airlines
        ISP 9:40 AM
        25h 25m
        1 stop
        LGA 11:05 AM
        Islip - New York | Mon, Jan 26 | Jetblue Airways
        INR 18,315 INR 30,426
        40% OFF
        40% OFF
        INR 30,426 INR 18,315
      • LGA 9:55 AM
        22h 45m
        1 stop
        ISP 8:40 AM
        New York - Islip | Sat, Jan 24 | Spirit Airlines
        ISP 9:43 PM
        22h 17m
        1 stop
        LGA 8:00 PM
        Islip - New York | Fri, Jan 30 | Frontier Airlines
        INR 19,462
        36% OFF
        INR 30,426 INR 19,462
      • EWR 6:10 PM
        14h 30m
        1 stop
        ISP 8:40 AM
        New York - Islip | Sat, Jan 24 | Jetblue Airways
        ISP 9:43 PM
        24h 17m
        1 stop
        EWR 10:00 PM
        Islip - New York | Fri, Jan 30 | Frontier Airlines
        INR 20,786
        32% OFF
        INR 30,426 INR 20,786
      • JFK 3:50 PM
        8h 9m
        1 stop
        ISP 11:59 PM
        New York - Islip | Fri, Jan 16 | Jetblue Airways
        ISP 6:00 AM
        18h 3m
        1 stop
        JFK 12:03 AM
        Islip - New York | Sun, Jan 18 | Frontier Airlines
        INR 22,506
        26% OFF
        INR 30,426 INR 22,506
      • EWR 4:35 PM
        27h 25m
        1 stop
        ISP 8:00 PM
        New York - Islip | Thu, Jan 22 | United Airlines
        ISP 7:43 PM
        21h 12m
        1 stop
        EWR 4:55 PM
        Islip - New York | Mon, Jan 26 | Frontier Airlines
        INR 23,295
        23% OFF
        INR 30,426 INR 23,295
      • LGA 7:30 AM
        25h 10m
        1 stop
        ISP 8:40 AM
        New York - Islip | Sat, Jan 24 | American Airlines
        ISP 9:43 PM
        19h 17m
        1 stop
        LGA 5:00 PM
        Islip - New York | Fri, Jan 30 | Frontier Airlines
        INR 23,958
        21% OFF
        INR 30,426 INR 23,958
      • JFK 1:30 PM
        10h 29m
        1 stop
        ISP 11:59 PM
        New York - Islip | Thu, Dec 11 | Jetblue Airways
        ISP 6:15 AM
        28h 28m
        1 stop
        JFK 10:43 AM
        Islip - New York | Sun, Dec 14 | Frontier Airlines
        INR 26,658
        12% OFF
        INR 30,426 INR 26,658
      • EWR 12:30 PM
        20h 10m
        1 stop
        ISP 8:40 AM
        New York - Islip | Sat, Jan 24 | United Airlines
        ISP 9:43 PM
        13h 47m
        1 stop
        EWR 11:30 AM
        Islip - New York | Fri, Jan 30 | Frontier Airlines
        INR 27,384
        10% OFF
        INR 30,426 INR 27,384
      • NYC 1:00 PM
        17h 25m
        1 stop
        ISP Invalid Date
        New York - Islip | Sat, Dec 13 | Normal Airline
        ISP 3:00 PM
        6h
        Nonstop
        NYC 4:00 PM
        Islip - New York | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • JFK 4:25 PM
        26h 23m
        1 stop
        ISP 6:48 PM
        New York - Islip | Wed, Jan 28 | Frontier Airlines
        INR 4,458 INR 11,124
        60% OFF
        60% OFF
        INR 11,124 INR 4,458
      • JFK 6:29 AM
        26h 26m
        1 stop
        ISP 8:55 AM
        New York - Islip | Sat, Jan 17 | Frontier Airlines
        INR 5,630 INR 11,124
        49% OFF
        49% OFF
        INR 11,124 INR 5,630
      • JFK 11:23 AM
        21h 32m
        1 stop
        ISP 8:55 AM
        New York - Islip | Thu, Feb 5 | Frontier Airlines
        INR 5,961 INR 11,124
        46% OFF
        46% OFF
        INR 11,124 INR 5,961
      • JFK 6:59 AM
        12h 35m
        1 stop
        ISP 7:34 PM
        New York - Islip | Tue, Dec 16 | Frontier Airlines
        INR 6,802
        39% OFF
        INR 11,124 INR 6,802
      • EWR 6:00 PM
        28h 46m
        1 stop
        ISP 10:46 PM
        New York - Islip | Tue, Jan 13 | Jetblue Airways
        INR 7,349
        34% OFF
        INR 11,124 INR 7,349
      • JFK 7:59 AM
        29h 10m
        1 stop
        ISP 1:09 PM
        New York - Islip | Thu, Dec 18 | Frontier Airlines
        INR 8,254
        26% OFF
        INR 11,124 INR 8,254
      • LGA 7:00 AM
        16h 59m
        1 stop
        ISP 11:59 PM
        New York - Islip | Thu, Dec 11 | Jetblue Airways
        INR 8,661
        22% OFF
        INR 11,124 INR 8,661
      • LGA 9:35 PM
        11h 20m
        1 stop
        ISP 8:55 AM
        New York - Islip | Thu, Feb 5 | Jetblue Airways
        INR 9,234
        17% OFF
        INR 11,124 INR 9,234
      • LGA 9:29 AM
        8h 23m
        1 stop
        ISP 5:52 PM
        New York - Islip | Sat, Jan 17 | Jetblue Airways
        INR 9,247
        17% OFF
        INR 11,124 INR 9,247
      • EWR 6:00 AM
        13h 34m
        1 stop
        ISP 7:34 PM
        New York - Islip | Tue, Dec 16 | Jetblue Airways
        INR 10,011
        10% OFF
        INR 11,124 INR 10,011
      • NYC 1:00 PM
        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 Info | Morristown to Islip

Check out flight details for routes from New York to Islip—including distance, duration, and the best value month—to help plan your trip from Morristown to Islip.

Cheapest one-way flight priceINR 4,458
Cheapest round-trip ticket priceINR 17,016
Off-season for travelOctober
Peak season for travelJuly
Flight distance75.43 km

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

Analyze price trends for flights from New York to Islip—including distance, duration, and the most cost-effective month—to plan your journey 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.

Frequently Asked Questions

FAQs for flights from Morristown to Islip when there’s no local airport. Departures and arrivals are through New York to Islip.

  • 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 INR 4,458 on Cheapest nonstop routes (e.g. JFK to ISP on Wed, Jan 28), while Jetblue Airways offers Cheapest nonstop round-trips from INR 17,016 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 INR 4,458.
    · 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 INR 26,657.
  • 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.

Explore More Popular Flights