The flight distance from Seattle-Tacoma International Airport (SEA) in Seattle, United States to Teniente Coronel Luis a Mantilla Airport (TUA) in Tulcan, Ecuador is 6,731 kilometers (4,183 miles / 3,635 nautical miles). The estimated flight time for this route is approximately 9h, flying southeast at a heading of 126°.

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 Ecuador. 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 22:31 in Seattle, it's 01:31 in Tulcan. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 9,217 feet between the two airports. Teniente Coronel Luis a Mantilla Airport sits higher than Seattle-Tacoma International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Tulcan (TUA) to Seattle (SEA) follows a heading of 327° (north 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 Teniente Coronel Luis a Mantilla Airport (TUA) detail pages, or use our flight duration calculator to compare other routes.