$412 Cheap Flights from Nantucket (ACK) to Islip (ISP)

View $412 flight on Mon, Oct 20, 2025Opens in a new window

Popular airlines from Nantucket, MA (ACK-Nantucket Memorial) to MacArthur Airport (ISP)

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Cheap Flights from Nantucket to Islip (ACK-ISP)

Prices were available within the past 7 days and start at $412 for one-way flights and $928 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cape Air
Thu, Jan 1 - Thu, Jan 8
ACK
Nantucket
ISP
Islip
$928 Roundtrip, found 6 days ago
$928
Roundtrip
found 6 days ago
Select Cape Air flight, departing Thu, Jan 1 from Nantucket to Islip, returning Thu, Jan 8, priced at $928 found 6 days ago
Cape Air
Wed, Oct 15 - Tue, Oct 21
ACK
Nantucket
ISP
Islip
$1,394 Roundtrip, found 2 days ago
$1,394
Roundtrip
found 2 days ago
Select Cape Air flight, departing Wed, Oct 15 from Nantucket to Islip, returning Tue, Oct 21, priced at $1,394 found 2 days ago
Cape Air
Wed, Oct 15 - Tue, Oct 21
ACK
Nantucket
ISP
Islip
$1,410 Roundtrip, found 2 days ago
$1,410
Roundtrip
found 2 days ago
Select Cape Air flight, departing Wed, Oct 15 from Nantucket to Islip, returning Tue, Oct 21, priced at $1,410 found 2 days ago

Frequently asked questions

How much does a flight from Nantucket Memorial Airport (ACK) to MacArthur Airport (ISP) cost?
Grab a cheap one-way flight from $412 or cheap return flight from $928 from Nantucket Memorial Airport (ACK) to MacArthur Airport (ISP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Nantucket Memorial Airport (ACK) to MacArthur Airport (ISP)?
Planning your trip for January can help you save, as it's the cheapest month for flights between ACK and ISP. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Nantucket Memorial Airport (ACK) to MacArthur Airport (ISP)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ACK to ISP flight.
How many flights per day from Nantucket Memorial Airport (ACK) to MacArthur Airport (ISP)?
There aren't any daily nonstop flights available from Nantucket Memorial Airport (ACK) to MacArthur Airport (ISP). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from ACK to ISP?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Nantucket Memorial Airport (ACK) to MacArthur Airport (ISP)?
To arrive at MacArthur Airport (ISP) on schedule, book a flight that leaves from Nantucket Memorial Airport (ACK) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Nantucket Memorial Airport (ACK) to MacArthur Airport (ISP) last-minute?
Last-minute bookings from ACK to ISP are generally more expensive. To lock in the best rates, start searching for flights as soon as possible. That said, if you can play around with your travel dates, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book an ACK to ISP flight and hotel package?
You'll generally save money by booking an ACK to ISP flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your preferred accommodations and flights, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Nantucket Memorial Airport (ACK) to MacArthur Airport (ISP)?
Typically, you're able to cancel or reschedule your ACK to ISP flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want more details, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Nantucket Memorial
Destination airport
MacArthur
Roundtrip price
$928
Distance
161 mi

Book with confidence

Book with confidence

Nantucket to Islip Flights

The cheapest times to fly from Nantucket to Islip

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Nantucket to Islip are during the month of January. You can find some of the cheapest flights from Nantucket to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Nantucket to Islip

Sunday is one of the best days to book for cheap flights from Nantucket to Islip: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Nantucket to Islip

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Nantucket to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from $412 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Nantucket to Islip flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Nantucket to Islip airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Nantucket to Islip Flights

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Explore a world of travel with Expedia

*Available to One Key members.