The flight distance from St Louis Lambert International Airport (STL) in St Louis, United States to Slave Lake Airport (YZH) in Slave Lake, Canada is 2,583 kilometers (1,605 miles / 1,395 nautical miles). The estimated flight time for this route is approximately 4h, flying northwest at a heading of 323°.

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 an international route connecting United States with Canada. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 00:58 in St Louis, it's 23:58 in Slave Lake.

There is a significant elevation difference of 1,295 feet between the two airports. Slave Lake Airport sits higher than St Louis Lambert International Airport.

The return flight from Slave Lake (YZH) to St Louis (STL) follows a heading of 125° (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 Slave Lake Airport (YZH) detail pages, or use our flight duration calculator to compare other routes.