The flight distance from Helena Regional Airport (HLN) in Helena, United States to Portland International Airport (PDX) in Portland, United States is 826 kilometers (513 miles / 446 nautical miles). The estimated flight time for this route is approximately 2h, flying west at a heading of 266°.

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 21:18 in Helena, it's 20:18 in Portland.

There is a significant elevation difference of 3,847 feet between the two airports. Portland International Airport sits lower than Helena Regional Airport.

The return flight from Portland (PDX) to Helena (HLN) follows a heading of 78° (east 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 Portland International Airport (PDX) detail pages, or use our flight duration calculator to compare other routes.