SEA to SLC: Distance and Flight Time
The distance from Seattle–Tacoma International Airport (SEA) to Salt Lake City International Airport (SLC) is 1,107 km (688 mi). A typical nonstop flight covers it in about 1h 55m, heading southeast. The distance is the same in either direction (SLC to SEA).
How far is it from Seattle to Salt Lake City?
The great-circle distance between Seattle–Tacoma International Airport (SEA) and Salt Lake City International Airport (SLC) is 1,107 km (688 mi, 598 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 SLC?
A nonstop flight typically takes about 1h 55m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. SLC is roughly southeast of SEA.
How is the SEA to SLC route written in code?
The pair is written SEA-SLC in IATA codes and KSEA-KSLC in ICAO codes, the form used on a flight plan. Seattle–Tacoma International Airport is SEA (KSEA), Salt Lake City International Airport is SLC (KSLC).
| SEA | SLC | |
|---|---|---|
| Airport | Seattle–Tacoma International Airport | Salt Lake City International Airport |
| ICAO code | KSEA | KSLC |
| Country | United States | United States |
| Elevation | 433 ft | 4,227 ft |
| Rank by connections | #67 | #109 |
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.
SLC sits 3,794 ft (1,156 m) higher than SEA, which is a real difference in air density on takeoff.
Airlines flying SEA to SLC
3 airlines appear on this route in the open route dataset, 3 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 |
| DL | Delta Air Lines | DAL | Delta | Active |
| WN | Southwest Airlines | SWA | Southwest | Active |
A further 1 carrier sell this pair as a codeshare without operating it: 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 Salt Lake City?
Seattle–Tacoma International Airport (SEA) and Salt Lake City International Airport (SLC) are 1,107 km (688 mi, 598 nautical miles) apart in a straight line.
How long is the flight from SEA to SLC?
A typical nonstop flight between SEA and SLC takes about 1h 55m. Actual times vary with aircraft type, winds and routing.
What direction is SLC from SEA?
Salt Lake City International Airport (SLC) lies roughly southeast of Seattle–Tacoma International Airport (SEA).
Which airlines fly SEA to SLC?
3 airlines appear on the SEA-SLC route in the open dataset, including Alaska Airlines, Delta Air Lines, Southwest Airlines.
Related routes
Other routes from Seattle (SEA):
Other routes from Salt Lake City (SLC):
SEA airport code · SLC airport code · Busiest airports worldwide