Cheap Flights from Portsmouth (PSM) to Boston (BOS)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Logan International Airport (BOS)

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Flights from Portsmouth (PSM) to Boston (BOS)
Origin airport
Portsmouth Intl.
Destination airport
Logan Intl.
Distance
50 mi

Portsmouth to Boston Flights

The cheapest times to fly from Portsmouth to Boston

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

 

The best time to book a flight from Portsmouth to Boston

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

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 Boston 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 Boston 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 Boston 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 Logan Intl. Airport (BOS) cost?
Discover the latest flight deals from PSM to BOS 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 BOS?
The cheapest flights from PSM to BOS 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 PSM to BOS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PSM to BOS. 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 Logan Intl. Airport (BOS)?
You'll have to catch a flight with a layover when traveling from Portsmouth Intl. Airport (PSM) to Logan Intl. Airport (BOS). Direct flights don't operate daily on this route. However, simply 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 PSM to BOS?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a range of factors, including the time of year and airline.*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 Logan Intl. Airport (BOS)?
To touch down at Logan Intl. Airport (BOS) on schedule, choose 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 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 Logan Intl. Airport (BOS) last-minute?
Holding off until right before your break to book a ticket from PSM to BOS generally means paying more. While you may find some last-minute deals, there's no guarantee. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book a PSM to BOS flight and hotel package?
You'll typically save money by booking a PSM to BOS 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 it all in one place. Once you've chosen your ideal accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to Logan Intl. Airport (BOS)?
In most cases, you're able to cancel or reschedule your PSM to BOS flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more information, visit our Customer Service portal.

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