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Flights from Islip to Johnstown

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

      • ISP 12:30 PM
        11h 45m
        2 stops
        JST 12:15 AM
        Islip - Johnstown | Fri, Dec 26 | Cape Air
        JST 6:15 AM
        9h 55m
        2 stops
        ISP 4:10 PM
        Johnstown - Islip | Wed, Dec 31 | United Airlines
        SGD 1,378 SGD 1,969
        30% OFF
        30% OFF
        SGD 1,969 SGD 1,378
      • ISP 1:00 PM
        17h 25m
        1 stop
        JST Invalid Date
        Islip - Johnstown | Thu, Dec 11 | Normal Airline
        JST 3:00 PM
        6h
        Nonstop
        ISP 4:00 PM
        Johnstown - Islip | Sat, Dec 13 | Normal Airline
        Find More Flights
        Find More Flights

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

Flying from Islip to Johnstown

The distance between Islip and Johnstown is approximately 487.22 km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is December.

Cheapest round-trip ticket priceSGD 1,378
Off-season for travelDecember
Peak season for travelJuly
Flight distance487.22 km

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

The cheapest time for Islip to Johnstown flights: Dec 21 to Dec 28 — one way flight prices from SGD 1,378.

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  • 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 Islip to Johnstown, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • When is the best time to book flights from Islip to Johnstown?

    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 Johnstown 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 Johnstown, you can use various tools on Trip.com:
    · 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 Johnstown travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Islip to Johnstown is December, when demand for travel is lower.
  • The time difference between Johnstown 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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