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.
Book a hotel in Tri-Cities
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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 13 September 2026. Hotel 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.