The flight distance from St Louis Lambert International Airport (STL) in St Louis, United States to Yellowstone Airport (WYS) in West Yellowstone, United States is 1,838 kilometers (1,142 miles / 993 nautical miles). The estimated flight time for this route is approximately 3h, flying west northwest at a heading of 298°.

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 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 18:21 in St Louis, it's 17:21 in West Yellowstone.

There is a significant elevation difference of 6,032 feet between the two airports. Yellowstone Airport sits higher than St Louis Lambert International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from West Yellowstone (WYS) to St Louis (STL) follows a heading of 104° (east 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 St Louis Lambert International Airport (STL) and Yellowstone Airport (WYS) detail pages, or use our flight duration calculator to compare other routes.