Trip.com
>
Flights
>
Flights to United States
>
Flights to Massachusetts
>
Flights to Nantucket
Hotels in Nantucket
>
Flights from Islip to Nantucket

Cheap flight deals from Islip to Nantucket

Find the cheapest flights from Islip to Nantucket within the next 3 months. Book one way flights from $379 or round trip flights from $747.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Islip to Nantucket

The distance between Islip and Nantucket is about 260.04 km. The most popular month to Nantucket is June. The off-season for travel is July.

Cheapest one-way flight price $379
Cheapest round-trip ticket price $747
Off-season for travel July
Peak season for travel June
Flight distance 260.04 km

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

The cheapest time for Islip to Nantucket flights: Aug 10 to Aug 17 — one way flight prices from $242.

Cheapest flights
From price
Search
  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Islip (ISP) to Nantucket (ACK) the cheapest?

    Airlines adjust prices for flights from Islip to Nantucket based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Islip (ISP) to Nantucket (ACK) cost?

    According to Trip.com's data, the lowest price is around $759.

How to find a cheap flight from Islip to Nantucket

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Islip to Nantucket. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest Islip to Nantucket ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Islip to Nantucket for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $379 for a one-way ticket on Wed, Jul 23.
2
Compare cheap Islip to Nantucket flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Islip to Nantucket. The most affordable airline currently operating on this route is Cape Air.
3
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Islip to Nantucket route to track ticket prices effortlessly—no need to check manually every day.
4
Don't miss out on cheap Islip to Nantucket flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
5
Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
6
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Islip to Nantucket to access exclusive deals just for you.

Find Cheap Flights & Deals on Trip.com