The flight distance from St Louis Lambert International Airport (STL) in St Louis, United States to Washington County Airport (WSG) in Washington, United States is 879 kilometers (546 miles / 474 nautical miles). The estimated flight time for this route is approximately 2h, flying east northeast at a heading of 77°.

This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 1-hour time difference between the two cities.

Time zone information: When it's 16:34 in St Louis, it's 17:34 in Washington.

The return flight from Washington (WSG) to St Louis (STL) follows a heading of 263° (west). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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