Idaho local data guide

Boise Airport (BOI) Overview

The Boise Airport (BOI) serves as the primary aviation hub for the Treasure Valley and stands as the busiest airport in the state of Idaho, facilitating both commercial and military operations.

Updated with grounded research as of 2026-07-21.

The short answer

The Boise Airport (BOI), officially known as the Boise Air Terminal/Gowen Field, is a joint civil-military facility located approximately 3–4 miles south of downtown Boise. It serves as the region's primary aviation gateway, managed by the City of Boise Department of Aviation. With a history spanning nearly 90 years, the airport continues to accommodate significant growth in passenger traffic, supporting both regional connectivity and the broader Treasure Valley economy.

Key facts

Official Website
https://www.iflyboise.com
Annual Passenger Traffic (2025)
5,229,399 passengers
Economic Impact
Generates over $2.9 billion in annual economic impact, supporting more than 21,000 regional jobs.
Location
3–4 miles south of downtown Boise, Idaho

Airport Operations and Management

Boise Airport functions as a joint civil-military facility. In addition to commercial aviation, it hosts the Idaho Air National Guard’s 124th Fighter Wing. The airport is operated by the City of Boise Department of Aviation and serves as a landing rights airfield for international general aviation, requiring prior coordination with Customs and Border Protection.

Economic Contributions

As a major engine for the regional economy, the airport supports tourism, logistics, and trade. The facility's operations contribute to over 21,000 jobs in the public and private sectors, with an annual economic impact estimated at $2.9 billion as of 2026.

Expansion and Future Development

  • Construction of a new Concourse A is planned, which is expected to add up to 10 new gates to accommodate rising passenger numbers.
  • Ongoing facility upgrades include the 'BOI Upgrade' program, featuring a new multi-level rental car facility and enhanced parking capacity.
  • Federal grants have been secured to support infrastructure improvements, such as expanded electrical capacity and enhanced ADA-compliant transit accessibility, with major construction milestones projected through 2030.

Common questions

How do I check real-time flight status at BOI?

Travelers can check the most current flight schedules and statuses directly on the official Boise Airport website.

What is the primary way to get to the airport from downtown Boise?

The airport is located 3–4 miles from the downtown core. Accessible ground transportation options include personal vehicles, ride-share services, and Valley Regional Transit bus services.

Related Idaho questions

  • What airlines currently offer service at Boise Airport?
  • Are there international flight options available from Boise Airport?
  • What parking facilities are available at BOI?

Sources and verification