SFOSEA
San Francisco (San Francisco International Airport) to Seattle (Seattle-Tacoma International Airport).
The flight from San Francisco (SFO) to Seattle (SEA) takes 1h 41m on average, covering about 735 miles. Across 4 flights we tracked, the fastest was 1h 38m and the slowest 1h 43m, with United Airlines flying it most often.
Plan this routeAt a glance
- Avg flight time
- 1h 41m
- Distance
- 735 mi
- Fastest tracked
- 1h 38m
- Airlines
- 2
Airlines on this route
- United Airlines50% of tracked flightsFlies it on: Airbus A320
- Alaska Airlines50% of tracked flightsFlies it on: Boeing 737-800
Aircraft we tracked
Flying the other way?
SEA to SFO flight time (10 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 2026-06-07 and 2026-06-13, sourced from live flight data. Updated daily as new flights are observed.
Route FAQ
How long is the flight from SFO to SEA?
The SFO to SEA flight takes 1h 41m on average based on 4 tracked flights.
How far is SFO from SEA?
SFO to SEA is about 735 miles by air.
Which airlines fly from SFO to SEA?
United Airlines, Alaska Airlines fly the SFO to SEA route in our route data.
What aircraft fly from SFO to SEA?
Aircraft observed or commonly scheduled on SFO to SEA include Airbus A320, Boeing 737-800.