Cheap Flights from Portsmouth (PSM) to Buffalo (BUF)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Buffalo Niagara Intl. Airport (BUF)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 30% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.

Frequently asked questions

How much is a flight from Portsmouth Intl. Airport at Pease to Buffalo Niagara Intl. Airport (BUF)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight between Portsmouth Intl. Airport at Pease and Buffalo Niagara Intl. Airport (BUF) was . Cheap fares don't wait forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portsmouth Intl. Airport at Pease to BUF?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from PSM to Buffalo Niagara International Airport that have flexible change policies?
Flights from Portsmouth Intl. Airport (PSM) to Buffalo Niagara International Airport with flexible change policies are available with many airlines. Simply use our "No change fees" filter while searching. You'll only need to pay the cost difference between flights, without any extra fees to worry about.
How far is the flight from Portsmouth Intl. Airport (PSM) to Buffalo Niagara Intl. Airport (BUF)?
It's just 640 kilometres between Portsmouth and Buffalo. It's quite possible that you'll spend more time travelling to and from the airport than you will actually flying!
Which airlines fly direct from PSM to Buffalo Niagara International Airport?
At the moment, no airlines offer flights directly from PSM to Buffalo Niagara Intl. Airport (BUF). You'll need to book a flight with at least one stop. To get the best connections and price, lock in your fare well ahead of time.
Are Portsmouth Intl. Airport (PSM) to BUF flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Portsmouth Intl. Airport (PSM) to BUF last minute could be your ticket to an awesome deal. However, you might miss out on a flight altogether! If you'd rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

Travel information

Origin airport
Portsmouth Intl.
Destination airport
Buffalo Niagara Intl.
Distance
639 km

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.