$264 Cheap Flights from Portsmouth (PSM) to Newark Liberty Intl. Airport (EWR)

View $264 flight on Wed, Jun 25, 2025Opens in a new window

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Newark Liberty Intl. Airport (EWR)

Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $264 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Portsmouth (PSM) to Newark Liberty Intl. Airport (EWR)
Origin airport
Portsmouth Intl.
Destination airport
Newark Liberty Intl. Airport
Distance
239 mi

Portsmouth to Newark Liberty Intl. Airport Flights

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

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

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

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

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 Newark Liberty Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $264 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 Newark Liberty Intl. Airport 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 Newark Liberty Intl. Airport 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 Liberty Intl. Airport (EWR) cost?
Discover the latest flight deals from PSM to EWR 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 EWR?
The cheapest flights from PSM to EWR 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 Liberty Intl. Airport (EWR)?
You can’t fly directly from Portsmouth, NH (PSM-Portsmouth Intl.) to Liberty Intl. Airport (EWR). However, there are other airports offering nonstop flights. Begin your journey at Logan Intl. Airport (BOS) and travel straight to Newark without a layover.
What is the cheapest airline that flies from PSM to EWR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PSM to EWR. 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 Liberty Intl. Airport (EWR)?
There aren’t any daily direct flights available from Portsmouth Intl. Airport (PSM) to Liberty Intl. Airport (EWR). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you’ll be on your way in no time.
What day of the week has the most flights from PSM to EWR?
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 Liberty Intl. Airport (EWR)?
To land at Liberty Intl. Airport (EWR) on time, opt for a flight that takes off from Portsmouth Intl. Airport (PSM) before 3 PM. The likelihood 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 Liberty Intl. Airport (EWR) last-minute?
Booking your plane ticket from PSM to EWR shortly before your trip is usually more expensive. However, if there’s some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a PSM to EWR flight and hotel package?
Compared with arranging flights and hotels separately, booking a PSM to EWR flight and hotel package with Expedia could result in significant savings. What’s more, having it all in one place will take the stress out of travel planning. Just pick your flights and select from our wide range of stays, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to Liberty Intl. Airport (EWR)?
If you booked your PSM to EWR flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, 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.