SeattleSanta RosaDirect FlightsSEA–STS
Seattle (Seattle-Tacoma International Airport) to Santa Rosa (Charles M Schulz/Sonoma County Airport).
Flight time from SEA to STS is estimated at about 1h 52m, based on the 618-mile great-circle distance. Our current captured departure sample includes 1-2/day across 1 captured airline, with Alaska Airlines appearing most often in that sample. Captured departure times run from 09:54 to 20:44 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~1h 52m Estimated from great-circle distance — no tracked flights yet. | 618 mi | 1-2/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for SEA to STS
Our current provider sample includes 1-2/day from SEA to STS across 1 captured airline.
- First departure
- 09:54
- Last departure
- 20:44
- Cadence
- 4 departures/day
- Captured departures/day
- 4
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 1-2/day | Boeing 737, Embraer E-Jet · Seat map | 09:5410:0917:46 |
Aircraft on this route
Flying the other way?
STS to SEA flights — 1-2/day on 2 airlines →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for SEA to STS, last seen June 15, 2026. Frequency uses 12 scheduled departures across 7 observed days; 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 STS?
The SEA to STS flight time is estimated at about 1h 52m from great-circle distance until enough tracked flights are available.
How far is SEA from STS?
SEA to STS is about 618 miles by air.
Which airlines fly from SEA to STS?
Our current provider sample for SEA to STS includes Alaska Airlines. Confirm live timetables before booking.
What aircraft fly from SEA to STS?
Aircraft captured in our current provider sample for SEA to STS include Boeing 737, Embraer E-Jet.