Boise Airport (IATA code: BOI), opened in 1926 and celebrating its centennial anniversary in 2026, is the primary air travel gateway in Idaho and the central hub for the Treasure Valley region. It provides a broad network of nonstop connections linking southwestern Idaho with major aviation hubs across the United States.
Official Website: iflyboise.com
General Information Phone: +1 208 383 3110
Terminal
The airport operates a single central passenger terminal open 24 hours a day, arranged across three levels: Level 1 for arrivals and baggage claim, Level 2 for ticketing, security screening, and gate access, and Level 3 for airport administration. Beyond the central TSA checkpoint, airside gates are distributed across two wings (Concourse B and Concourse C) offering a combined 23 gates. Through the multiyear capital expansion project known as BOI Upgrade, ongoing apron construction is laying the groundwork for the future Concourse A, planned to add up to 10 additional gates.
Annual passenger traffic (2025): 5.2 million passengers (5,229,399 travelers handled).
Information Desks
Passengers can obtain local visitor advice and airport assistance at the information desk located on Level 1 within the baggage claim area. Additionally, volunteer "Grey Coat Ambassadors" patrol the terminal to assist travelers.
