SeattleBristol/Johnson/KingsportDirect FlightsSEA–TRI
Seattle (Seattle-Tacoma International Airport) to Bristol/Johnson/Kingsport (Tri-Cities Airport).
Flight time from SEA to TRI is estimated at about 5h 2m, based on the 2,158-mile great-circle distance. Our current captured departure sample includes Scheduled across 1 captured airline, with Alaska Airlines appearing most often in that sample.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~5h 2m Estimated from great-circle distance — no tracked flights yet. | 2,158 mi | Scheduled From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for SEA to TRI
Our current provider sample includes Scheduled from SEA to TRI across 1 captured airline.
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | Scheduled | Varies by schedule | — |
Typical aircraft
Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for SEA to TRI, last seen June 15, 2026. Frequency uses 0 scheduled departures across 1 observed day; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from SEA to TRI?
The SEA to TRI flight time is estimated at about 5h 2m from great-circle distance until enough tracked flights are available.
How far is SEA from TRI?
SEA to TRI is about 2,158 miles by air.
Which airlines fly from SEA to TRI?
Our current provider sample for SEA to TRI includes Alaska Airlines. Confirm live timetables before booking.