The flight distance from Duncan Airport (DUQ) in Duncan, Canada to St Louis Lambert International Airport (STL) in St Louis, United States is 2,871 kilometers (1,784 miles / 1,550 nautical miles). The estimated flight time for this route is approximately 4h, flying east at a heading of 100°.

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

Time zone information: When it's 04:14 in Duncan, it's 06:14 in St Louis.

The return flight from St Louis (STL) to Duncan (DUQ) follows a heading of 304° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Duncan Airport (DUQ) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.