Seattle to Tri-Cities flights
Tri-Cities lies 282 km (175 mi) south-east of Seattle, in the same time zone. What the numbers say about getting there, and where to book.
A nonstop flight would take about 1 h 7 min gate to gate, based on the distance and typical cruise speed with taxi and climb allowed for; connecting itineraries add the layover on top.
Open Tri-Cities in Google Maps
| Seattle | Tri-Cities | |
|---|---|---|
| Country | United States | United States |
| Population | 780,995 | 244,036 |
| Elevation | 56 m (184 ft) | 106 m (348 ft) |
| Time now | UTC-7 (America/Los_Angeles) | UTC-7 (America/Los_Angeles) |
| Nearest large airport | SEA, 18 km out | PSC, 6 km out |
Airports at each end
Leaving Seattle
Seattle is served by 5 airports with scheduled flights within 100 km. The closest large one is Seattle–Tacoma International Airport (SEA), 18 km (11 mi) from the centre, whose 11,901-ft runway is long enough for long-haul wide-body aircraft. The alternatives are King County International Airport - Boeing Field (BFI, 9 km), Seattle Paine Field International Airport (PAE, 34 km), Tacoma Narrows Airport (TIW, 42 km), Olympia Regional Airport (OLM, 83 km).
Arriving in Tri-Cities
Tri-Cities is served by 3 airports with scheduled flights within 100 km. The closest large one is Tri Cities Airport (PSC), 6 km (4 mi) from the centre, with a longest runway of 7,707 ft, which limits it to short and medium-haul aircraft. The alternatives are Eastern Oregon Regional Airport at Pendleton (PDT, 67 km), Walla Walla Regional Airport (ALW, 72 km).
| Airport | Code | From centre | Longest runway | Elevation |
|---|---|---|---|---|
| Tri Cities Airport (regional) | PSC | 6 km (4 mi) | 7,707 ft | 410 ft |
| Eastern Oregon Regional Airport at Pendleton (regional) | PDT | 67 km (42 mi) | 6,301 ft | 1,497 ft |
| Walla Walla Regional Airport (regional) | ALW | 72 km (45 mi) | 6,527 ft | 1,194 ft |
Book a flight to Tri-Cities
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Staying in Tri-Cities
Live rooms and prices for Tri-Cities are in the search below.
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Common questions
How far is Tri-Cities from Seattle?
282 km (175 mi) in a straight line, south-east of Seattle.
How long does it take to get from Seattle to Tri-Cities by air?
About 1 h 7 min, estimated from distance and typical speeds for a nonstop flight. Timetables and traffic decide the real figure.
Is there a time difference between Seattle and Tri-Cities?
No, both are on America/Los_Angeles at the moment.
Which airports are used for Seattle to Tri-Cities flights?
Typically Seattle–Tacoma International Airport (SEA) to Tri Cities Airport (PSC); Tri-Cities also has PDT, ALW.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.