Cheap Flights from Portsmouth (PSM) to West Palm Beach (PBI)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Palm Beach Intl. Airport (PBI)

Find available prices by choosing your travel dates.
Flights from Portsmouth (PSM) to West Palm Beach (PBI)
Origin airport
Portsmouth Intl.
Destination airport
Palm Beach Intl.
Distance
1246 mi

Portsmouth to West Palm Beach Flights

The cheapest times to fly from Portsmouth to West Palm Beach

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

The best time to book a flight from Portsmouth to West Palm Beach

Sunday is one of the best days to book for cheap flights from Portsmouth to West Palm Beach: 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 West Palm Beach

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 West Palm Beach 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 West Palm Beach 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 West Palm Beach 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

Is it cheaper to buy a plane ticket from Portsmouth Intl. Airport at Pease to PBI last minute?
Booking your trip from PSM to Palm Beach Intl. Airport (PBI) last minute could help you save if you get lucky and find a real steal. However, fares usually don’t come down in price closer to the departure date. If you choose to wait, flights could also be booked out or the best seats long gone. If you’d prefer to play it safe, book well ahead of your departure date. Note that some of the biggest deals can be found up to a year in advance. If your preferred carrier hasn’t released its fares yet, check back regularly as deals are updated on Expedia constantly.
What airports do you fly into for West Palm Beach from Portsmouth?
From Portsmouth, you can journey to West Palm Beach through Palm Beach Intl. Airport (PBI), Fort Lauderdale - Hollywood Intl. Airport (FLL) and West Palm Beach, FL (LNA-Lantana). Check which hub is right for you before making your decision. If you decide on Palm Beach Intl. Airport (PBI), it’s roughly 3 mi southwest of the downtown area. Use the money you save when booking your trip with Expedia to enjoy the city’s top sights, such as Rapids Water Park and The Square.
Can I change the date of my flight from Portsmouth Intl. Airport at Pease to Palm Beach Intl. Airport?
It’s a cinch to make changes to your Portsmouth Intl. Airport (PSM) to Palm Beach Intl. Airport (PBI) journey yourself. Just go to the Expedia Trips portal and hit “change flight.” Browse around for new flights and choose the one that works best with your plans. You’ll get an estimate of the extra charges, if applicable. You can also visit our Customer Service portal to connect with our Virtual Agent and quickly get answers to your questions.

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*Available to One Key members.