San AntonioSeattleDirect FlightsSAT–SEA
San Antonio (San Antonio International Airport) to Seattle (Seattle-Tacoma International Airport).
Flight time from SAT to SEA is estimated at about 4h 15m, based on the 1,774-mile great-circle distance. Our current captured departure sample includes 2-3/day across 1 captured airline, with Alaska Airlines appearing most often in that sample. Captured departure times run from 07:00 to 17:57 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~4h 15m Estimated from great-circle distance — no tracked flights yet. | 1,774 mi | 2-3/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for SAT to SEA
Our current provider sample includes 2-3/day from SAT to SEA across 1 captured airline. Captured departure terminal data is available for A.
- First departure
- 07:00
- Last departure
- 17:57
- Cadence
- ~every 2 hours
- Captured departures/day
- 7
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 2-3/day | Boeing 737 · Terminal A · Seat map | 07:0007:02 |
Aircraft on this route
Flying the other way?
SEA to SAT flights — 2-3/day on 2 airlines →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for SAT to SEA, last seen June 15, 2026. Frequency uses 16 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 SAT to SEA?
The SAT to SEA flight time is estimated at about 4h 15m from great-circle distance until enough tracked flights are available.
How far is SAT from SEA?
SAT to SEA is about 1,774 miles by air.
Which airlines fly from SAT to SEA?
Our current provider sample for SAT to SEA includes Alaska Airlines. Confirm live timetables before booking.
What aircraft fly from SAT to SEA?
Aircraft captured in our current provider sample for SAT to SEA include Boeing 737.