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Tri-Cities Airport (PSC) currently has nonstop service to 12 destinations on 6 airlines in our latest departure data. The busiest route is to Seattle (SEA), served by 2 carriers, and the largest operator here is Alaska Airlines with nonstops to 3 destinations.
Route data as of September 28, 2026, based on a 7-day departures sample.
This schedule snapshot includes nonstop flights from PSC to 12 destinations. The snapshot shows about 22 flights per day across those routes. The busiest options start with Seattle (SEA), Salt Lake City (SLC), Denver (DEN).
0 international routes in this schedule set
United States 12
8/day on 2 airlines
Embraer E-Jet · Airbus A320 family · Bombardier CRJ
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
Ranked by destinations served, then daily frequency.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Tri-Cities Airport (PSC / KPSC) is located in Pasco, United States.
The IATA code is PSC. The ICAO code is KPSC.
The busiest scheduled route from PSC in our current departure data is PSC to SEA (Seattle), with 8/day across 2 airlines.
Alaska Airlines is the largest operator in our PSC schedule data, serving 3 destinations with 8-9/day.
This schedule snapshot includes 0 international routes and 12 domestic routes from PSC.
6 airlines operate at PSC. Top carriers include Alaska Airlines, Delta Air Lines, Allegiant Air, United Airlines, American Airlines.
This schedule snapshot includes direct flights from PSC to 12 destinations including Seattle, Salt Lake City, Denver, Phoenix, Portland.
View live arrivals and departures at PSC on FlightRadar24.
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