The flight distance from Seattle-Tacoma International Airport (SEA) in Seattle, United States to Sancti Spiritus Airport (USS) in Sancti Spiritus, Cuba is 4,745 kilometers (2,948 miles / 2,562 nautical miles). The estimated flight time for this route is approximately 7h, flying east southeast at a heading of 111°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting United States with Cuba. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:10 in Seattle, it's 04:10 in Sancti Spiritus. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Sancti Spiritus (USS) 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 Sancti Spiritus Airport (USS) detail pages, or use our flight duration calculator to compare other routes.