$269 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Portsmouth (PSM)

View $269 flight on Tue, May 20, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Newark Liberty Intl. Airport to Portsmouth (EWR-PSM)

Prices were available within the past 7 days and start at $269 for one-way flights and $521 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Tue, May 27 - Wed, Jun 11
EWR
New York
PSM
Portsmouth
$521 Roundtrip, found 1 day ago
$521
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Tue, May 27 from New York to Portsmouth, returning Wed, Jun 11, priced at $521 found 1 day ago
Breeze Airways
Tue, May 27 - Sat, Jun 7
EWR
New York
PSM
Portsmouth
$596 Roundtrip, found 1 day ago
$596
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Tue, May 27 from New York to Portsmouth, returning Sat, Jun 7, priced at $596 found 1 day ago
Flights from Newark Liberty Intl. Airport (EWR) to Portsmouth (PSM)
Origin airport
Newark Liberty Intl. Airport
Destination airport
Portsmouth Intl.
Airlines serving
Breeze Airways
Roundtrip price
$521
Distance
239 mi

Newark Liberty Intl. Airport to Portsmouth Flights

The cheapest times to fly from Newark Liberty Intl. Airport to Portsmouth

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

 

The best time to book a flight from Newark Liberty Intl. Airport to Portsmouth

Sunday is one of the best days to book for cheap flights from Newark Liberty Intl. Airport to Portsmouth: 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 Newark Liberty Intl. Airport to Portsmouth

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 Newark Liberty Intl. Airport to Portsmouth in 2025. You can also book with separate airlines for your outbound and return journeys, from $269 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 Newark Liberty Intl. Airport to Portsmouth 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 Newark Liberty Intl. Airport to Portsmouth 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 Liberty Intl. Airport (EWR) to Portsmouth Intl. Airport (PSM) cost?
Discover the latest flight deals from EWR to PSM 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 EWR to PSM?
The cheapest flights from EWR to PSM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from EWR to PSM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from EWR to PSM. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Liberty Intl. Airport (EWR) to Portsmouth Intl. Airport (PSM)?
Nonstop flights from Liberty Intl. Airport (EWR) to Portsmouth Intl. Airport (PSM) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from EWR to PSM?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Liberty Intl. Airport (EWR) to Portsmouth Intl. Airport (PSM)?
To avoid possible delays on the Liberty Intl. Airport (EWR) to Portsmouth Intl. Airport (PSM) route, fly before 3 PM. Later departures are 22% more likely to be canceled.**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.
What airports do you fly into for Portsmouth from Liberty Intl. Airport (EWR)?
Liberty Intl. Airport (EWR) has direct flights to Portsmouth. These are a few of the airports you can fly to without detours:

  • Logan Intl. Airport (BOS)
  • Portland Intl. Jetport Airport (PWM)
  • Manchester-Boston Regional Airport (MHT)

Is it cheaper to buy a plane ticket from Liberty Intl. Airport (EWR) to Portsmouth Intl. Airport (PSM) last-minute?
Booking your flight from EWR to PSM right before your getaway is typically more expensive. But if you’re flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book an EWR to PSM flight and hotel package?
You’ll generally save money by securing an EWR to PSM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one place. After selecting your ideal flights and accommodations, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Liberty Intl. Airport (EWR) to Portsmouth Intl. Airport (PSM)?
If you reserved your EWR to PSM flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.