Cheap Flights from Portsmouth (PSM) to Wiscasset (ISS)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Wiscasset, ME (ISS)

Frequently asked questions

How much does a flight from Portsmouth Intl. Airport (PSM) to Wiscasset, ME (ISS) cost?
Lock in a cheap one-way flight or cheap return flight from Portsmouth Intl. Airport (PSM) to Wiscasset, ME (ISS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portsmouth Intl. Airport (PSM) to Wiscasset, ME (ISS)?
Planning your getaway for is a great way to save, as it's the cheapest month for flights between PSM and ISS. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Portsmouth Intl. Airport (PSM) to Wiscasset, ME (ISS)?
To find the cheapest airline flying from PSM to ISS, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Portsmouth Intl. Airport (PSM) to Wiscasset, ME (ISS)?
Direct flights from Portsmouth Intl. Airport (PSM) to Wiscasset, ME (ISS) 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 choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PSM to ISS?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the time of year, airline and other factors.*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 Wiscasset, ME (ISS)?
To land at Wiscasset, ME (ISS) on schedule, choose a flight that takes off from Portsmouth Intl. Airport (PSM) before 3 PM. The chance 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 Portsmouth Intl. Airport (PSM) to Wiscasset, ME (ISS) last-minute?
Booking your flight from PSM to ISS right before your journey is usually more expensive. But if you're flexible with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a PSM to ISS flight and hotel package?
You'll typically save money by booking a PSM to ISS 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 convenient place. Once you've chosen your preferred accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to Wiscasset, ME (ISS)?
In most cases, you can reschedule or cancel your PSM to ISS flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need further details, visit our Customer Service portal.

Travel information

Origin airport
Portsmouth Intl.
Destination airport
Wiscasset
Distance
82 mi

Book with confidence

Portsmouth to Wiscasset Flights

The cheapest times to fly from Portsmouth to Wiscasset

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

 

The best time to book a flight from Portsmouth to Wiscasset

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

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 Wiscasset 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 Wiscasset 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 Wiscasset 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.

 

Portsmouth to Wiscasset Flights

Explore a world of travel with Expedia

*Available to One Key members.