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Flights from Poughkeepsie to Islip

No flight routes found for your trip from Poughkeepsie to Islip. Instead, check out the flight deals below for nearby routes: New York to Islip.

      • LGA 21:35
        22h 25m
        1 stop
        ISP 20:00
        New York - Islip | Thu, Jan 22 | Jetblue Airways
        ISP 19:43
        26h 45m
        1 stop
        EWR 22:28
        Islip - New York | Mon, Jan 26 | Frontier Airlines
        MOP 1,514 MOP 3,481
        56% OFF
        56% OFF
        MOP 3,481 MOP 1,514
      • 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
        MOP 1,534 MOP 3,481
        56% OFF
        56% OFF
        MOP 3,481 MOP 1,534
      • 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
        MOP 1,630 MOP 3,481
        53% OFF
        53% OFF
        MOP 3,481 MOP 1,630
      • 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
        MOP 1,732
        50% OFF
        MOP 3,481 MOP 1,732
      • 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
        MOP 1,850
        47% OFF
        MOP 3,481 MOP 1,850
      • 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
        MOP 2,003
        42% OFF
        MOP 3,481 MOP 2,003
      • 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
        MOP 2,073
        40% OFF
        MOP 3,481 MOP 2,073
      • 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
        MOP 2,132
        39% OFF
        MOP 3,481 MOP 2,132
      • 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
        MOP 2,372
        32% OFF
        MOP 3,481 MOP 2,372
      • 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
        MOP 2,437
        30% OFF
        MOP 3,481 MOP 2,437
      • NYC 13:00
        17h 25m
        1 stop
        ISP Invalid Date
        New York - Islip | Thu, Dec 11 | Normal Airline
        ISP 15:00
        6h
        Nonstop
        NYC 16:00
        Islip - New York | Sat, Dec 13 | Normal Airline
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        Find More Flights

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

Poughkeepsie to Islip Flight Details

Check flight details (distance, duration, best time to book) for routes from New York to Islip to plan your trip from Poughkeepsie to Islip.

Cheapest one-way flight priceMOP 397
Cheapest return ticket priceMOP 1,514
Cheapest monthOctober
Peak season for travelJuly
Flight distance75.43 km

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

View price trends for New York to Islip to find the cheapest time for your trip from Poughkeepsie to Islip.

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

Frequently asked questions for flights from Poughkeepsie to Islip when there's no local airport. All departures and arrivals are via 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 MOP 397 on Cheapest nonstop routes (e.g. JFK to ISP on Wed, Jan 28), while Jetblue Airways offers Cheapest nonstop round-trips from MOP 1,514 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 MOP 397.
    · 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 MOP 2,371.
  • 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.

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