The flight distance from Seattle-Tacoma International Airport (SEA) in Seattle, United States to Sao Lourenco Airport (SSO) in Sao Lourenco, Brazil is 10,896 kilometers (6,770 miles / 5,883 nautical miles). The estimated flight time for this route is approximately 14h, flying east southeast at a heading of 114°.

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

Time zone information: When it's 21:44 in Seattle, it's 02:44 in Sao Lourenco. 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 2,439 feet between the two airports. Sao Lourenco Airport sits higher than Seattle-Tacoma International Airport.

The return flight from Sao Lourenco (SSO) to Seattle (SEA) follows a heading of 318° (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 Sao Lourenco Airport (SSO) detail pages, or use our flight duration calculator to compare other routes.