American Airlines Award Flights: SEA (Seattle-Tacoma International Airport) to PSC (Tri-Cities Airport)

Discover and book available award flights using points and miles on American Airlines between SEA (Seattle-Tacoma International Airport) and PSC (Tri-Cities Airport). Get up-to-date award seat availability and points pricing for your journey.

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Only showing availability departing SEA (Seattle-Tacoma International Airport) and arriving at PSC (Tri-Cities Airport). Show all flights.

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