The flight distance from Great Falls International Airport (GTF) in Great Falls, United States to St Louis Lambert International Airport (STL) in St Louis, United States is 1,952 kilometers (1,213 miles / 1,054 nautical miles). The estimated flight time for this route is approximately 3h, flying east southeast at a heading of 112°.

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 a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 1-hour time difference between the two cities.

Time zone information: When it's 14:37 in Great Falls, it's 15:37 in St Louis.

There is a significant elevation difference of 3,063 feet between the two airports. St Louis Lambert International Airport sits lower than Great Falls International Airport.

The return flight from St Louis (STL) to Great Falls (GTF) follows a heading of 307° (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 Great Falls International Airport (GTF) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.