The flight distance from Boeing Field/King County International Airport (BFI) in Seattle, United States to Presidente Juscelino Kubistschek International Airport (BSB) in Brasilia, Brazil is 10,179 kilometers (6,325 miles / 5,496 nautical miles). The estimated flight time for this route is approximately 13h, flying east southeast at a heading of 112°.

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 19:07 in Seattle, it's 00:07 in Brasilia. 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 3,475 feet between the two airports. Presidente Juscelino Kubistschek International Airport sits higher than Boeing Field/King County International Airport.

The return flight from Brasilia (BSB) to Seattle (BFI) follows a heading of 319° (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 Boeing Field/King County International Airport (BFI) and Presidente Juscelino Kubistschek International Airport (BSB) detail pages, or use our flight duration calculator to compare other routes.