Flights from Portland Intl. Airport to Buffalo Niagara Intl. Airport
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Popular Flights from Portland Intl. Airport
- Portland to Chicago (PDX - ORD)
- Portland to Phoenix (PDX - PHX)
- Portland to Omaha (PDX - OMA)
- Portland to Billings (PDX - BIL)
- Portland to Tampa (PDX - TPA)
- Portland to Detroit (PDX - DTW)
- Portland to Long Beach (PDX - LGB)
- Portland to Paris (PDX - CDG)
- Portland to Merida (PDX - MID)
- Portland to Manila (PDX - MNL)
- Portland to Charlotte (PDX - CLT)
- Portland to Helsinki (PDX - HEL)
- Portland to Marquette (PDX - MQT)
- Portland to Frankfurt (PDX - FRA)
- Portland to Anchorage (PDX - ANC)
- Portland to London (PDX - LHR)
- Portland to Lisbon (PDX - LIS)
- Portland to Atlanta (PDX - ATL)
- Portland to Carlsbad (PDX - CLD)
- Portland to Kailua-Kona (PDX - KOA)