Sloulin Field International Airport ISN serves western North Dakota and eastern Montana.
The Airport is located two miles north of the central business district of Williston, in Williams County, North Dakota.
Although ISN airport doesn’t have any commercial international flights, it has the international moniker because it has a U.S. customs service to handle private flights from Canada.

Even though it is mostly a general aviation airport, scheduled passenger service is provided by Great Lakes Aviation (a code-share partner with Frontier & United airlines) to Chadron, NE,  Dickinson, ND, Gillette, WY & Sheridan, WY.

Sloulin Field Airport has a new passenger terminal with basic services and offers free parking in the closeby parking lot.

To get from Sloulin Field Airport to your destination, you can rent a car or take a taxi.

• Address:
  421 Airport Road
  Williston, ND 58802
  United States
• Website for Sloulin Field: http://www.cityofwilliston.com/DepartmentHome.aspx?DeptID=WND.CW.AIR
• Email Address: http://www.cityofwilliston.com/ContactUs.aspx
• Phone: (701) 774-8594