The flight distance from San Francisco International Airport (SFO) in San Francisco, United States to Nuevo Aeropuerto Internacional Mariscal Sucre (UIO) in Quito, Ecuador is 6,157 kilometers (3,826 miles / 3,325 nautical miles). The estimated flight time for this route is approximately 8h, flying east southeast at a heading of 122°.

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 23:03 in San Francisco, it's 02:03 in Quito. 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 9,187 feet between the two airports. Nuevo Aeropuerto Internacional Mariscal Sucre sits higher than San Francisco International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Quito (UIO) to San Francisco (SFO) 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 San Francisco International Airport (SFO) and Nuevo Aeropuerto Internacional Mariscal Sucre (UIO) detail pages, or use our flight duration calculator to compare other routes.