Cheap Flights from Portsmouth (PSM) to Nantucket (ACK)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Nantucket, MA (ACK-Nantucket Memorial)

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Flights from Portsmouth (PSM) to Nantucket (ACK)
Origin airport
Portsmouth Intl.
Destination airport
Nantucket Memorial
Distance
131 mi

Portsmouth to Nantucket Flights

The cheapest times to fly from Portsmouth to Nantucket

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 Portsmouth to Nantucket are during the month of . You can find some of the cheapest flights from Portsmouth to Nantucket with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portsmouth to Nantucket

Sunday is one of the best days to book for cheap flights from Portsmouth to Nantucket: 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 Portsmouth to Nantucket

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 Portsmouth to Nantucket in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Portsmouth to Nantucket 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 Portsmouth to Nantucket 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.

 

Frequently asked questions

How much does a flight from Portsmouth Intl. Airport (PSM) to Nantucket Memorial Airport (ACK) cost?
Discover the latest flight deals from PSM to ACK by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PSM to ACK?
The cheapest flights from PSM to ACK are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Portsmouth Intl. Airport (PSM) to Nantucket Memorial Airport (ACK)?
You can't catch a nonstop flight to Nantucket Memorial Airport (ACK) from Portsmouth, NH (PSM-Portsmouth Intl.). However, you can seamlessly travel to Nantucket without any layovers by leaving from Logan Intl. Airport (BOS).
What is the cheapest airline that flies from PSM to ACK?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PSM to ACK. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Portsmouth Intl. Airport (PSM) to Nantucket Memorial Airport (ACK)?
Nonstop flights from Portsmouth Intl. Airport (PSM) to Nantucket Memorial Airport (ACK) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PSM to ACK?
You'll usually find Tuesday the quietest day for flights, while Fridays are often 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 Portsmouth Intl. Airport (PSM) to Nantucket Memorial Airport (ACK)?
To arrive at Nantucket Memorial Airport (ACK) without delays, select a flight that leaves Portsmouth Intl. Airport (PSM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Portsmouth Intl. Airport (PSM) to Nantucket Memorial Airport (ACK) last-minute?
Waiting until just before your departure to book your flight from PSM to ACK generally means paying more. While you may come across some last-minute offers, they're not always guaranteed. Be flexible with your itinerary for the best chance of getting a bargain.
Is it cheaper to book a PSM to ACK flight and hotel package?
Securing a PSM to ACK flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to Nantucket Memorial Airport (ACK)?
You can usually cancel or reschedule your PSM to ACK flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.