Search cheap flights from Grand Rapids to Islip in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at KRW 134,660, and round-trip tickets start at KRW 1,424,922.

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

Grand Rapids to Islip Flight Details

The distance between Grand Rapids and Islip is about 1,053.87 km. Based on Trip.com's latest data, travel demand is highest in September. The off-season for travel is December.

Cheapest one-way flight priceKRW 134,660
Cheapest return ticket priceKRW 1,424,922
Cheapest monthDecember
Peak season for travelSeptember
Flight distance1,053.87 km

When is the cheapest time to book flights from Grand Rapids to Islip?

The cheapest time to fly from Grand Rapids to Islip: Jan 11 to Jan 18 — one-way prices start at KRW 134,660.

Cheapest flights
From price
Search
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
  • 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Grand Rapids to Islip (GRR-ISP)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as KRW 134,660 on Cheapest nonstop routes (e.g. GRR to ISP on Sat, Jan 17), while Delta Air Lines offers Cheapest nonstop round-trips from KRW 1,424,922 departing on Sun, Dec 21 and returning on Fri, Dec 26.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Grand Rapids 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 Grand Rapids 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 Sat, Jan 17, with one-way flights priced at just KRW 134,660.
    · 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 September.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Grand Rapids to Islip is December, when demand for travel is lower.
  • The time difference between Islip and Grand Rapids 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.