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Portsmouth International Airport to Buffalo Niagara International Airport flight

Find the cheapest Boston to Buffalo flights over the next 3 months. One-way fares from NZD 587, return fares from NZD 587.

    • Cheapest
      RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Wed, Nov 11 | Thai Airways
      NZD 587 NZD 1,464
      60% off
      60% off
      NZD 1,464 NZD 587
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Thu, Nov 12 | Thai Airways
      NZD 599 NZD 1,464
      59% off
      59% off
      NZD 1,464 NZD 599
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Wed, Dec 9 | Thai Airways
      NZD 618 NZD 1,464
      57% off
      57% off
      NZD 1,464 NZD 618
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Sat, Oct 31 | Thai Airways
      NZD 624
      56% off
      NZD 1,464 NZD 624
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Fri, Nov 27 | Thai Airways
      NZD 637
      56% off
      NZD 1,464 NZD 637
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Mon, Nov 9 | Thai Airways
      NZD 648
      56% off
      NZD 1,464 NZD 648
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Fri, Nov 20 | Thai Airways
      NZD 687
      53% off
      NZD 1,464 NZD 687
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Sun, Nov 22 | Thai Airways
      NZD 739
      50% off
      NZD 1,464 NZD 739
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Sun, Nov 15 | Thai Airways
      NZD 767
      48% off
      NZD 1,464 NZD 767
    • BOS 13:00
      17h 25m
      1 stop
      BUF 14:00
      Boston - Buffalo | Mon, Oct 26 | Normal Airline
      Find more flights
      Find more flights
    • RGN 14:25
      3h 35m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Sun, Oct 25 | Myanmar National Airlines
      NZD 1,083 NZD 1,464
      26% off
      26% off
      NZD 1,464 NZD 1,083
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Wed, Nov 11 | Thai Airways
      NZD 587 NZD 1,464
      60% off
      60% off
      NZD 1,464 NZD 587
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Thu, Nov 12 | Thai Airways
      NZD 599 NZD 1,464
      59% off
      59% off
      NZD 1,464 NZD 599
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Wed, Dec 9 | Thai Airways
      NZD 618
      57% off
      NZD 1,464 NZD 618
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Sat, Oct 31 | Thai Airways
      NZD 624
      56% off
      NZD 1,464 NZD 624
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Fri, Nov 27 | Thai Airways
      NZD 637
      56% off
      NZD 1,464 NZD 637
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Mon, Nov 9 | Thai Airways
      NZD 648
      56% off
      NZD 1,464 NZD 648
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Fri, Nov 20 | Thai Airways
      NZD 687
      53% off
      NZD 1,464 NZD 687
    • RGN 13:45
      4h 15m
      1 stop
      SAI 18:30
      Yangon - Siem Reap | Sun, Nov 22 | Thai Airways
      NZD 739
      50% off
      NZD 1,464 NZD 739
    • BOS 13:00
      17h 25m
      1 stop
      BUF 14:00
      Boston - Buffalo | Mon, Oct 26 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Boston to Buffalo are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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
Cheapest one-way ticket price NZD 587

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 NZD 424. 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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