San Francisco to Seattle
1h 47m The flight from San Francisco International Airport (SFO) to Seattle–Tacoma International Airport (SEA) covers 1,093 km (679 miles) and takes approximately 1h 47m gate to gate for a typical jet.
The route heads north on an initial great-circle bearing of 0°, passing near 42.5° N, 122.3° W at its midpoint.
The route
The great-circle path — the shortest line between the two airports across the curve of the earth. On a flat map it looks bent; on a globe it is straight.
Flight time at different cruise speeds
Aircraft type, winds and routing all move the real number. This is the same distance flown at different speeds, plus the 25-minute ground and climb allowance.
| Typical of | Cruise speed | Airborne | Gate to gate |
|---|---|---|---|
| Turboprop / regional | 550 km/h | 1h 59m | 2h 24m |
| Narrowbody jet (A320, 737) | 780 km/h | 1h 24m | 1h 49m |
| Widebody jet (777, 787, A350) | 900 km/h | 1h 13m | 1h 38m |
| Private jet (Gulfstream) | 850 km/h | 1h 17m | 1h 42m |
Headwinds on an eastbound long-haul routinely add 30–60 minutes; the same route westbound can be quicker. Airlines publish schedules with padding built in.
Both airports
| SFO | SEA | |
|---|---|---|
| Airport | San Francisco International Airport | Seattle–Tacoma International Airport |
| City | San Francisco | Seattle |
| Country | United States | United States |
| ICAO | KSFO | KSEA |
| Coordinates | 37.6198, -122.3748 | 47.4479, -122.3103 |
| Elevation | 13 ft | 433 ft |
Questions
How long is the flight from San Francisco to Seattle?
A non-stop flight from San Francisco (SFO) to Seattle (SEA) takes about 1h 47m. The great-circle distance is 1,093 km (679 miles, 590 nautical miles), flying north on an initial bearing of 0°.
How far is San Francisco from Seattle?
1,093 kilometres in a straight line over the earth's surface — 679 miles or 590 nautical miles. Actual flown distance is usually 2–5% longer because aircraft follow airways, avoid weather and route around restricted airspace.
Is there a non-stop flight between SFO and SEA?
This page calculates the direct-line time and distance; it does not track airline schedules. At 1,093 km the route is comfortably within range of a non-stop service if an airline chooses to fly it. Check an airline or booking site for what is actually scheduled.
Other routes from San Francisco
Airport coordinates from OurAirports (public domain). Distance is a great-circle calculation; flight time uses the model described on the method page. Flight times are great-circle estimates for planning only — always check the airline's published schedule.