The flight distance from St Louis Lambert International Airport (STL) in St Louis, United States to Ottawa / Gatineau Airport (YND) in Gatineau, Canada is 1,431 kilometers (889 miles / 773 nautical miles). The estimated flight time for this route is approximately 3h, flying northeast at a heading of 54°.

This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

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 20:22 in St Louis, it's 21:22 in Gatineau.

The return flight from Gatineau (YND) to St Louis (STL) follows a heading of 243° (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 Ottawa / Gatineau Airport (YND) detail pages, or use our flight duration calculator to compare other routes.