The flight distance from St Louis Lambert International Airport (STL) in St Louis, United States to St Augustin Airport (YIF) in St-Augustin, Canada is 2,822 kilometers (1,753 miles / 1,524 nautical miles). The estimated flight time for this route is approximately 4h, flying northeast at a heading of 50°.

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 17:26 in St Louis, it's 19:26 in St-Augustin.

The return flight from St-Augustin (YIF) to St Louis (STL) follows a heading of 253° (west southwest). 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 St Augustin Airport (YIF) detail pages, or use our flight duration calculator to compare other routes.