The flight distance from San Antonio International Airport (SAT) in San Antonio, United States to Nuevo Aeropuerto Internacional Mariscal Sucre (UIO) in Quito, Ecuador is 3,927 kilometers (2,440 miles / 2,121 nautical miles). The estimated flight time for this route is approximately 6h, flying southeast at a heading of 144°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

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 12:20 in San Antonio, it's 13:20 in Quito.

There is a significant elevation difference of 8,391 feet between the two airports. Nuevo Aeropuerto Internacional Mariscal Sucre sits higher than San Antonio International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Quito (UIO) to San Antonio (SAT) follows a heading of 329° (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 San Antonio International Airport (SAT) and Nuevo Aeropuerto Internacional Mariscal Sucre (UIO) detail pages, or use our flight duration calculator to compare other routes.