Direct flights from Pasco to Seattle

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Pasco

United States

PSC

Tri Cities Airport

Seattle

United States

SEA

Seattle Tacoma International Airport

Route: Nonstop service available
Distance: 171 miles
Marketing airlines: 15 airlines
Aircraft: 4 aircraft types
Dates: Oct 19, 2026 – Oct 18, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

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Pasco to Seattle route overview

Tri Cities Airport (PSC) serves Pasco; Seattle Tacoma International Airport (SEA) serves Seattle.

The airports are 171 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from PSC to SEA.

Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Air France (AF), AeroMexico (AM), Alaska Airlines (AS), Finnair (AY), British Airways (BA), Delta Air Lines (DL), Icelandair (FI), Japan Airlines (JL), Korean Air (KE), KLM (KL), Qatar Airways (QR), Scandinavian Airlines (SK), Virgin Atlantic (VS) and WestJet (WS). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Oct 18, 2027.

Marketing airlines on the Pasco to Seattle route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.