Cheap Flights from Portland International Airport to Tri-Cities (Tennessee) (TRI) Find and Compare the Best Airline Deals | Skyticket

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2025/6
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2025/6
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Portland (Oregon)－Tri-Cities Regional Airport
June Lowest Airfares -----
Portland (Oregon)－Tri-Cities Regional Airport
July Lowest Airfares -----

Portland (Oregon)－Tri-Cities Regional Airport
August Lowest Airfares -----
Portland (Oregon)－Tri-Cities Regional Airport
September Lowest Airfares -----
Portland (Oregon)－Tri-Cities Regional Airport
October Lowest Airfares -----

Portland (Oregon)－Tri-Cities (Tennessee)
Estimated Flight Time
5 Hours 37 Minutes
Portland (Oregon)－Tri-Cities (Tennessee)
Number of Operating Airlines
2

Operating Airlines for Portland (Oregon)－Tri-Cities Regional Airport Route
Delta Air Lines

LCCAmerican Airlines

Other Destinations from:Portland (Oregon)

Portland (Oregon)－Tucson(TUS)
USD278〜
* Fares vary in accordance to seat availability
Other Departures to: Tri-Cities (Tennessee)
* Fares vary in accordance to seat availability