The flight distance from Helena Regional Airport (HLN) in Helena, United States to Harry Reid International Airport (LAS) in Las Vegas, United States is 1,200 kilometers (746 miles / 648 nautical miles). The estimated flight time for this route is approximately 2h, flying south southwest at a heading of 194°.

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 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 00:08 in Helena, it's 23:08 in Las Vegas.

There is a significant elevation difference of 1,696 feet between the two airports. Harry Reid International Airport sits lower than Helena Regional Airport.

The return flight from Las Vegas (LAS) to Helena (HLN) follows a heading of 12° (north northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Helena Regional Airport (HLN) and Harry Reid International Airport (LAS) detail pages, or use our flight duration calculator to compare other routes.