Cheap Flights from New York (JFK) to Portsmouth (PSM)

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Find available prices by choosing your travel dates.
Flights from New York (JFK) to Portsmouth (PSM)
Origin airport
John F. Kennedy Intl.
Destination airport
Portsmouth Intl.
Distance
227 mi

New York to Portsmouth Flights

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

The best time to book a flight from New York to Portsmouth

Sunday is one of the best days to book for cheap flights from New York 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 New York 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 New York to Portsmouth 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 New York 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 New York 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 John F. Kennedy Intl. Airport (JFK) to Portsmouth Intl. Airport (PSM) cost?
Discover the latest flight deals from JFK 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 JFK to PSM?
The cheapest flights from JFK 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 JFK to PSM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from JFK to PSM. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from John F. Kennedy Intl. Airport (JFK) to Portsmouth Intl. Airport (PSM)?
You’ll need to catch a flight with a layover when traveling from John F. Kennedy Intl. Airport (JFK) to Portsmouth Intl. Airport (PSM). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from JFK to PSM?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from John F. Kennedy Intl. Airport (JFK) to Portsmouth Intl. Airport (PSM)?
To avoid potential delays on the John F. Kennedy Intl. Airport (JFK) to Portsmouth Intl. Airport (PSM) route, aim to fly before 3 PM. Departures after this hour 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 John F. Kennedy Intl. Airport (JFK)?
You can touch down at Logan Intl. Airport (BOS) or Portland Intl. Jetport Airport (PWM) when traveling to Portsmouth on a direct flight from John F. Kennedy Intl. Airport (JFK).
Is it cheaper to buy a plane ticket from John F. Kennedy Intl. Airport (JFK) to Portsmouth Intl. Airport (PSM) last-minute?
Holding off until just before your departure to book your flight from JFK to PSM generally means paying more. Although you may find some last-minute deals, they’re not always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a JFK to PSM flight and hotel package?
You’ll typically save money by securing a JFK 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 accommodations and flights, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from John F. Kennedy Intl. Airport (JFK) to Portsmouth Intl. Airport (PSM)?
In most instances, you can modify or cancel your JFK to PSM flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline’s guidelines and fees on flight changes, or if you want more information, visit our Customer Service portal.

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*Available to One Key members.