The flight distance from Comodoro Arturo Merino Benitez International Airport (SCL) in Santiago, Chile to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 10,352 kilometers (6,433 miles / 5,590 nautical miles). The estimated flight time for this route is approximately 13h, flying north northwest at a heading of 328°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting Chile with United States. It is an intercontinental flight between South America and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 08:27 in Santiago, it's 03:27 in Seattle. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,123 feet between the two airports. Seattle-Tacoma International Airport sits lower than Comodoro Arturo Merino Benitez International Airport.

The return flight from Seattle (SEA) to Santiago (SCL) follows a heading of 139° (southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Comodoro Arturo Merino Benitez International Airport (SCL) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.