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Portsmouth International Airport to Buffalo Niagara International Airport flight

Search for flights from Boston to Buffalo and check out affordable one-way and round-trip options.

      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        BUF 15:00
        6h
        Direct
        BOS 16:00
        Buffalo - Boston | Wed, Oct 7 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        BUF 15:00
        6h
        Direct
        BOS 16:00
        Buffalo - Boston | Wed, Oct 7 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        BUF 15:00
        6h
        Direct
        BOS 16:00
        Buffalo - Boston | Wed, Oct 7 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        BUF 15:00
        6h
        Direct
        BOS 16:00
        Buffalo - Boston | Wed, Oct 7 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        BUF 15:00
        6h
        Direct
        BOS 16:00
        Buffalo - Boston | Wed, Oct 7 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        BUF 15:00
        6h
        Direct
        BOS 16:00
        Buffalo - Boston | Wed, Oct 7 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        BUF 15:00
        6h
        Direct
        BOS 16:00
        Buffalo - Boston | Wed, Oct 7 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        BUF 15:00
        6h
        Direct
        BOS 16:00
        Buffalo - Boston | Wed, Oct 7 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        BUF 15:00
        6h
        Direct
        BOS 16:00
        Buffalo - Boston | Wed, Oct 7 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        BUF 15:00
        6h
        Direct
        BOS 16:00
        Buffalo - Boston | Wed, Oct 7 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        Search
        Search
      • BOS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Boston - Buffalo | Mon, Oct 5 | Normal Airline
        Search
        Search

Flight fares from Portsmouth International Airport to Buffalo Niagara International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

About Portsmouth International Airport and Buffalo Niagara International Airport

Learn about Portsmouth International Airport (PSM) and Buffalo Niagara International Airport (BUF) — including location, terminals, transportation, and travel tips.

Flight distance 638.79km

FAQs for Portsmouth International Airport to Buffalo Niagara International Airport Flights

  • What is the average price of a flight from Portsmouth International Airport to Buffalo Niagara International Airport?

    Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Portsmouth International Airport to Buffalo Niagara International Airport is CAD 342. Prices may vary depending on the departure date, airline, and availability.
  • Enter Portsmouth International Airport and Buffalo Niagara International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Change & Cancellation Policy

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Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.