The flight distance from Helena Regional Airport (HLN) in Helena, United States to San Francisco International Airport (SFO) in San Francisco, United States is 1,315 kilometers (817 miles / 710 nautical miles). The estimated flight time for this route is approximately 3h, flying southwest at a heading of 224°.

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 04:03 in Helena, it's 03:03 in San Francisco.

There is a significant elevation difference of 3,864 feet between the two airports. San Francisco International Airport sits lower than Helena Regional Airport.

The return flight from San Francisco (SFO) to Helena (HLN) follows a heading of 37° (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 San Francisco International Airport (SFO) detail pages, or use our flight duration calculator to compare other routes.