SEA to SMF: Distance and Flight Time
The distance from Seattle–Tacoma International Airport (SEA) to Sacramento International Airport (SMF) is 975 km (606 mi). A typical nonstop flight covers it in about 1h 45m, heading south. The distance is the same in either direction (SMF to SEA).
How far is it from Seattle to Sacramento?
The great-circle distance between Seattle–Tacoma International Airport (SEA) and Sacramento International Airport (SMF) is 975 km (606 mi, 526 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from SEA to SMF?
A nonstop flight typically takes about 1h 45m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. SMF is roughly south of SEA.
How is the SEA to SMF route written in code?
The pair is written SEA-SMF in IATA codes and KSEA-KSMF in ICAO codes, the form used on a flight plan. Seattle–Tacoma International Airport is SEA (KSEA), Sacramento International Airport is SMF (KSMF).
| SEA | SMF | |
|---|---|---|
| Airport | Seattle–Tacoma International Airport | Sacramento International Airport |
| ICAO code | KSEA | KSMF |
| Country | United States | United States |
| Elevation | 433 ft | 27 ft |
| Rank by connections | #67 | #291 |
Both ICAO codes start with K, the prefix ICAO assigns to the contiguous United States, so this is a route inside one ICAO region. How ICAO prefixes are laid out.
SMF sits 406 ft (124 m) lower than SEA, which is a real difference in air density on takeoff.
Airlines flying SEA to SMF
2 airlines appear on this route in the open route dataset, 2 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| AS | Alaska Airlines | ASA | Alaska | Active |
| WN | Southwest Airlines | SWA | Southwest | Active |
A further 3 carriers sell this pair as a codeshare without operating it: AA, DL, FL.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Seattle from Sacramento?
Seattle–Tacoma International Airport (SEA) and Sacramento International Airport (SMF) are 975 km (606 mi, 526 nautical miles) apart in a straight line.
How long is the flight from SEA to SMF?
A typical nonstop flight between SEA and SMF takes about 1h 45m. Actual times vary with aircraft type, winds and routing.
What direction is SMF from SEA?
Sacramento International Airport (SMF) lies roughly south of Seattle–Tacoma International Airport (SEA).
Which airlines fly SEA to SMF?
2 airlines appear on the SEA-SMF route in the open dataset, including Alaska Airlines, Southwest Airlines.
Related routes
Other routes from Seattle (SEA):
Other routes from Sacramento (SMF):
SEA airport code · SMF airport code · Busiest airports worldwide