The flight distance from St Louis Lambert International Airport (STL) in St Louis, United States to Thunder Bay Airport (YQT) in Thunder Bay, Canada is 1,073 kilometers (667 miles / 579 nautical miles). The estimated flight time for this route is approximately 2h, flying north at a heading of 4°.

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 21:40 in St Louis, it's 22:40 in Thunder Bay.

The return flight from Thunder Bay (YQT) to St Louis (STL) follows a heading of 185° (south). 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 Thunder Bay Airport (YQT) detail pages, or use our flight duration calculator to compare other routes.