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

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Find available prices by choosing your travel dates.

Frequently asked questions

How much does a flight from Portsmouth Intl. Airport (PSM) to Buffalo Niagara Intl. Airport (BUF) cost?
Discover the latest flight deals from PSM to BUF 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 BUF?
The cheapest flights from PSM to BUF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Portsmouth Intl. Airport (PSM) to Buffalo Niagara Intl. Airport (BUF)?
Although Portsmouth, NH (PSM-Portsmouth Intl.) has no direct flights to Buffalo Niagara Intl. Airport (BUF), other airports have nonstop options. Departing from Logan Intl. Airport (BOS) will get you to Buffalo without any detours.
What is the cheapest airline that flies from PSM to BUF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PSM to BUF. 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 Buffalo Niagara Intl. Airport (BUF)?
Nonstop flights from Portsmouth Intl. Airport (PSM) to Buffalo Niagara Intl. Airport (BUF) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filters. Enter your dates and select either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from PSM to BUF?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on various factors, such as the airline and season.*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 Buffalo Niagara Intl. Airport (BUF)?
Book a flight from Portsmouth Intl. Airport (PSM) to Buffalo Niagara Intl. Airport (BUF) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be 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 Buffalo Niagara Intl. Airport (BUF) last-minute?
Last-minute bookings from PSM to BUF are usually more expensive. To secure the best rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, it’s possible to land a cheap fare right before your journey.
Is it cheaper to book a PSM to BUF flight and hotel package?
You’ll generally save money by securing a PSM to BUF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one place. Once you’ve chosen your preferred flights and accommodations, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to Buffalo Niagara Intl. Airport (BUF)?
You can usually cancel or reschedule your PSM to BUF flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find further details on our Customer Service portal.
*Available to One Key members.