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Flights from Poughkeepsie to Islip

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

      • LGA 9:35 PM
        22h 25m
        1 stop
        ISP 8:00 PM
        New York - Islip | Thu, Jan 22 | Jetblue Airways
        ISP 7:43 PM
        26h 45m
        1 stop
        EWR 10:28 PM
        Islip - New York | Mon, Jan 26 | Frontier Airlines
        PLN 688 PLN 1,582
        56% OFF
        56% OFF
        PLN 1,582 PLN 688
      • 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
        PLN 697 PLN 1,582
        56% OFF
        56% OFF
        PLN 1,582 PLN 697
      • 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
        PLN 741 PLN 1,582
        53% OFF
        53% OFF
        PLN 1,582 PLN 741
      • 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
        PLN 787
        50% OFF
        PLN 1,582 PLN 787
      • 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
        PLN 841
        47% OFF
        PLN 1,582 PLN 841
      • 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
        PLN 910
        42% OFF
        PLN 1,582 PLN 910
      • 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
        PLN 942
        40% OFF
        PLN 1,582 PLN 942
      • 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
        PLN 969
        39% OFF
        PLN 1,582 PLN 969
      • 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
        PLN 1,078
        32% OFF
        PLN 1,582 PLN 1,078
      • 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
        PLN 1,107
        30% OFF
        PLN 1,582 PLN 1,107
      • NYC 1:00 PM
        17h 25m
        1 stop
        ISP Invalid Date
        New York - Islip | Thu, Dec 11 | Normal Airline
        ISP 3:00 PM
        6h
        Nonstop
        NYC 4:00 PM
        Islip - New York | Sat, Dec 13 | Normal Airline
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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.

Flight Info | Poughkeepsie 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 Poughkeepsie to Islip.

Cheapest one-way flight pricePLN 181
Cheapest round-trip ticket pricePLN 688
Off-season for travelOctober
Peak season for travelJuly
Flight distance75.43 km

When is the cheapest time to fly from Poughkeepsie 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 Poughkeepsie 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 Poughkeepsie to Islip, calculated over the upcoming 10 weeks.

Frequently Asked Questions

FAQs for flights from Poughkeepsie 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 PLN 181 on Cheapest nonstop routes (e.g. JFK to ISP on Wed, Jan 28), while Jetblue Airways offers Cheapest nonstop round-trips from PLN 688 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 PLN 181.
    · 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 PLN 1,077.
  • 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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