The flight distance from St Louis Lambert International Airport (STL) in St Louis, United States to Saint John Airport (YSJ) in Saint John, Canada is 2,140 kilometers (1,329 miles / 1,155 nautical miles). The estimated flight time for this route is approximately 4h, flying east northeast at a heading of 62°.

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 04:28 in St Louis, it's 06:28 in Saint John.

The return flight from Saint John (YSJ) to St Louis (STL) follows a heading of 259° (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 Saint John Airport (YSJ) detail pages, or use our flight duration calculator to compare other routes.