Cheap Flights from Portsmouth (PSM) to Block Island (BID)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Block Island, RI (BID-Block Island State)

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Frequently asked questions

How much does a flight from Portsmouth Intl. Airport (PSM) to Block Island, RI (BID-Block Island State) cost?
Lock in a cheap one-way flight or cheap return flight from Portsmouth Intl. Airport (PSM) to Block Island, RI (BID-Block Island State) 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 Portsmouth Intl. Airport (PSM) to Block Island, RI (BID-Block Island State)?
is the most affordable month to fly from PSM to BID. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from Portsmouth Intl. Airport (PSM) to Block Island, RI (BID-Block Island State)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PSM to BID flight.
How many flights per day from Portsmouth Intl. Airport (PSM) to Block Island, RI (BID-Block Island State)?
There are no daily direct flights available from Portsmouth Intl. Airport (PSM) to Block Island, RI (BID-Block Island State). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from PSM to BID?
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 Block Island, RI (BID-Block Island State)?
To avoid possible delays on the Portsmouth Intl. Airport (PSM) to Block Island, RI (BID-Block Island State) route, aim to travel before 3 PM. Later departures have a 22% higher chance of being 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.
Is it cheaper to buy a plane ticket from Portsmouth Intl. Airport (PSM) to Block Island, RI (BID-Block Island State) last-minute?
Booking your plane ticket from PSM to BID just before your getaway is typically more expensive. But if you're flexible with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a PSM to BID flight and hotel package?
Securing a PSM to BID flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of accommodations and then add car rentals, flights 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 Portsmouth Intl. Airport (PSM) to Block Island, RI (BID-Block Island State)?
In most instances, you can modify or cancel your PSM to BID flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Portsmouth Intl.
Destination airport
Block Island State
Distance
137 mi

Book with confidence

Book with confidence

Portsmouth to Block Island Flights

The cheapest times to fly from Portsmouth to Block Island

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

 

The best time to book a flight from Portsmouth to Block Island

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

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 Block Island 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 Block Island 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 Block Island 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.

 

Portsmouth to Block Island Flights

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*Available to One Key members.