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

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

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Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Portsmouth Intl. Airport (PSM) cost?
Grab a cheap one-way flight or cheap return flight from Logan Intl. Airport (BOS) to Portsmouth Intl. Airport (PSM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Portsmouth Intl. Airport (PSM)?
The cheapest month to fly from BOS to PSM is , when there's less demand. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Portsmouth Intl. Airport (PSM)?
To find the cheapest airline flying from BOS to PSM, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Logan Intl. Airport (BOS) to Portsmouth Intl. Airport (PSM)?
You'll need to take a flight with a layover if you're traveling from Logan Intl. Airport (BOS) 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 an option that works for you.
What day of the week has the most flights from BOS to PSM?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary 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 Logan Intl. Airport (BOS) to Portsmouth Intl. Airport (PSM)?
Book a flight from Logan Intl. Airport (BOS) to Portsmouth Intl. Airport (PSM) that takes off before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**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 Logan Intl. Airport (BOS) to Portsmouth Intl. Airport (PSM) last-minute?
Booking your ticket from BOS to PSM right before your trip is typically more expensive. However, if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a BOS to PSM flight and hotel package?
Securing a BOS to PSM flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Portsmouth Intl. Airport (PSM)?
In most instances, you can modify or cancel your BOS to PSM flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want more information, go to our Customer Service portal.

Travel information

Origin airport
Logan Intl.
Destination airport
Portsmouth Intl.
Distance
50 mi

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Boston to Portsmouth Flights

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

 

The best time to book a flight from Boston to Portsmouth

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

 

Boston to Portsmouth Flights

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