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PSC to SEA: distance & flight time
Pasco (Tri Cities Airport) → Seattle (Seattle Tacoma International Airport)
171 mi
276 km · 149 nm
55m
estimated nonstop flight time
Same time
time difference · heading northwest
See live PSC→SEA fares Phone-only fares on this route — call free
Flight time details
171 miles nonstop takes roughly 55m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- PSC — Tri Cities Airport · Pasco, United States
- SEA — Seattle Tacoma International Airport · Seattle, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near PSC
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is PSC from SEA?
The flight distance from Pasco (PSC) to Seattle (SEA) is 171 miles (276 km, 149 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSC to SEA?
A nonstop flight takes about 55m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from PSC to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSC–SEA that never appear on search engines, with no booking fees.