The flight distance from Baltimore/Washington International Thurgood Marshall Airport (BWI) in Baltimore, United States to Helena Regional Airport (HLN) in Helena, United States is 2,965 kilometers (1,842 miles / 1,601 nautical miles). The estimated flight time for this route is approximately 4h, flying west northwest at a heading of 298°.

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 2-hour time difference between the two cities.

Time zone information: When it's 20:40 in Baltimore, it's 18:40 in Helena.

There is a significant elevation difference of 3,734 feet between the two airports. Helena Regional Airport sits higher than Baltimore/Washington International Thurgood Marshall Airport.

The return flight from Helena (HLN) to Baltimore (BWI) follows a heading of 93° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Baltimore/Washington International Thurgood Marshall Airport (BWI) and Helena Regional Airport (HLN) detail pages, or use our flight duration calculator to compare other routes.