SeattleSan FranciscoFlight TimeSEA–SFO
Seattle (Seattle-Tacoma International Airport) to San Francisco (San Francisco International Airport).
The flight from Seattle (SEA) to San Francisco (SFO) takes 1h 42m on average, covering about 779 miles. Across 4 flights we tracked, the fastest was 1h 39m and the slowest 1h 44m, with United Airlines flying it most often.
Plan this routeAt a glance
| Avg flight time | Distance | Fastest tracked | Airlines |
|---|---|---|---|
| 1h 42m | 779 mi | 1h 39m | 1 |
Airlines on this route
Captured airlines for SEA to SFO
Our current provider sample includes 21-22/day from SEA to SFO across 4 captured airlines.
- First departure
- 05:00
- Last departure
- 21:45
- Cadence
- ~every 30 min
- Captured departures/day
- 34
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 8-9/day | Boeing 737 · Seat map | 07:0007:0308:43 |
Aircraft we tracked
Flying the other way?
SFO to SEA flight time (4 tracked flights) →Flight times usually differ by direction — jet-stream winds make eastbound crossings faster than westbound ones.
Methodology: figures are aggregated from 4 real flights on this route tracked between 2026-06-05 and 2026-06-09, sourced from live flight data. Updated daily as new flights are observed.
Route FAQ
How long is the flight from SEA to SFO?
The SEA to SFO flight takes 1h 42m on average based on 4 tracked flights.
How far is SEA from SFO?
SEA to SFO is about 779 miles by air.
Which airlines fly from SEA to SFO?
United Airlines flies the SEA to SFO route in our tracked route data.
What aircraft fly from SEA to SFO?
Aircraft observed on SEA to SFO include Airbus A320.