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Portland's busy general aviation and reliever airport in Hillsboro.
Opened
1928
Location
Hillsboro, United States
Portland Hillsboro Airport (HIO/KHIO) is a public general aviation airport located in Hillsboro, Oregon, approximately 15 miles west of downtown Portland. It is owned and operated by the Port of Portland and serves as one of the busiest general aviation airports in the Pacific Northwest.
The airport primarily serves private, corporate, and charter aviation, as well as flight training operations. It acts as a reliever airport for Portland International Airport (PDX), helping to divert smaller aircraft traffic away from the major commercial hub.
Hillsboro Airport is home to numerous aviation businesses, flight schools, and fixed-base operators (FBOs). The surrounding Hillsboro area, part of Oregon's Silicon Forest technology corridor, generates significant corporate aviation activity.
Terminals
The airport has no commercial passenger terminals; it is a general aviation facility served by FBOs and private hangars.
Getting to & from
The airport is accessible by car via US Route 26 and nearby streets, with TriMet bus service and the MAX Blue Line light rail reachable in the broader Hillsboro area.
Airlines here
No scheduled commercial airlines operate at HIO; the airport serves general aviation, charter, and corporate operators.
Notable facts
- ›One of the busiest general aviation airports in Oregon by total operations.
- ›Owned and operated by the Port of Portland.
- ›Serves as an official reliever airport for Portland International Airport (PDX).
- ›Located in the heart of Oregon's 'Silicon Forest' technology hub, driving corporate aviation demand.
- ›Home to multiple flight training schools and aviation maintenance facilities.
This profile is provided for general information only. Details may be inaccurate or outdated — always verify with the airport's official website before acting on them.
