SEA
Seattle
United States
2,648 km
1,645 miles
SEP
Stephenville
United States
Distance
2,648 km
1,645 mi / 1,430 nm
Est. Flight Time
4h
Medium-haul route
Time Difference
+2h
America/Los_Angeles
Heading
121°
east southeast

Airport Comparison

SEA SEP
Airport Name Seattle-Tacoma International Airport Stephenville Clark Regional Airport
IATA Code SEA SEP
ICAO Code KSEA KSEP
City Seattle Stephenville
Country United States United States
Timezone America/Los_Angeles America/Chicago
Elevation 432 ft 1,321 ft
Coordinates 47.450000, -122.310000 32.220000, -98.180000

Seattle (SEA) to Stephenville (SEP) Flight Distance

The flight distance from Seattle-Tacoma International Airport (SEA) in Seattle, United States to Stephenville Clark Regional Airport (SEP) in Stephenville, United States is 2,648 kilometers (1,645 miles / 1,430 nautical miles). The estimated flight time for this route is approximately 4h, flying east southeast at a heading of 121°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 2-hour time difference between the two cities.

Time zone information: When it's 23:34 in Seattle, it's 01:34 in Stephenville.

The return flight from Stephenville (SEP) to Seattle (SEA) follows a heading of 317° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Seattle-Tacoma International Airport (SEA) and Stephenville Clark Regional Airport (SEP) detail pages, or use our flight duration calculator to compare other routes.

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