The flight distance from Ricardo Garcia Posada Airport (ESR) in El Salvador, Chile to St Louis Lambert International Airport (STL) in St Louis, United States is 7,545 kilometers (4,688 miles / 4,074 nautical miles). The estimated flight time for this route is approximately 10h, flying north northwest at a heading of 343°.

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 Chile with United States. It is an intercontinental flight between South America and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:10 in El Salvador, it's 22:10 in St Louis. 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 4,623 feet between the two airports. St Louis Lambert International Airport sits lower than Ricardo Garcia Posada Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from St Louis (STL) to El Salvador (ESR) follows a heading of 160° (south southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Ricardo Garcia Posada Airport (ESR) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.