The flight distance from St Louis Lambert International Airport (STL) in St Louis, United States to Key Lake Airport (YKJ) in Key Lake, Canada is 2,338 kilometers (1,453 miles / 1,262 nautical miles). The estimated flight time for this route is approximately 4h, flying north northwest at a heading of 337°.

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 00:05 in St Louis, it's 00:05 in Key Lake.

There is a significant elevation difference of 1,062 feet between the two airports. Key Lake Airport sits higher than St Louis Lambert International Airport.

The return flight from Key Lake (YKJ) to St Louis (STL) follows a heading of 145° (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 Key Lake Airport (YKJ) detail pages, or use our flight duration calculator to compare other routes.