The flight distance from Hermiston Municipal Airport (HES) in Hermiston, United States to St Louis Lambert International Airport (STL) in St Louis, United States is 2,487 kilometers (1,546 miles / 1,343 nautical miles). The estimated flight time for this route is approximately 4h, flying east at a heading of 98°.

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 2-hour time difference between the two cities.

Time zone information: When it's 06:35 in Hermiston, it's 08:35 in St Louis.

The return flight from St Louis (STL) to Hermiston (HES) follows a heading of 298° (west 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 Hermiston Municipal Airport (HES) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.