Idaho local data guide

Airlines Currently Serving Boise Airport (BOI)

As of July 2026, eight major commercial passenger airlines offer nonstop flight service out of Boise Airport (BOI), connecting Treasure Valley travelers to key hubs across North America.

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

The short answer

As of July 2026, eight commercial passenger airlines currently offer flight service at Boise Airport (BOI): Alaska Airlines, Allegiant Air, American Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines, Sun Country Airlines, and United Airlines. Together, these carriers provide direct access to dozens of nonstop destinations nationwide.

Key facts

Operating Carriers (BOI)
8 commercial airlines: Alaska, Allegiant, American, Delta, Frontier, Southwest, Sun Country, and United
Annual Passenger Volume (2025)
5,229,399 total passengers serviced across 23 gates
Nonstop Destinations Served
29 domestic destinations

Major Carriers and Hub Access

Boise Airport serves as a vital transportation hub for southwestern Idaho and the surrounding region. Major legacy carriers including Delta Air Lines, United Airlines, and American Airlines connect Boise to major U.S. transit hubs such as Salt Lake City, Denver, Minneapolis, Atlanta, Dallas/Fort Worth, and Chicago O'Hare. This hub access makes one-stop global connections straightforward for both business travelers and residents.

West Coast and Regional Flight Options

Alaska Airlines and Southwest Airlines maintain a dominant operational footprint at BOI, offering extensive regional connectivity along the West Coast and Intermountain West. Passengers can fly nonstop to key commercial centers such as Seattle-Tacoma, Portland, San Francisco, Los Angeles, Sacramento, Las Vegas, and Phoenix. Alaska Airlines also operates seasonal routes to destinations like Anchorage, Alaska.

Low-Cost and Seasonal Service

For budget-conscious travelers, low-cost carriers including Allegiant Air, Frontier Airlines, and Sun Country Airlines provide point-to-point and seasonal flight schedules out of BOI. These airlines connect Boise directly to popular leisure destinations such as Orange County, Phoenix-Mesa, and Minneapolis-St. Paul.

Common questions

How many total airlines fly out of Boise Airport?

As of July 2026, there are eight primary commercial airlines operating scheduled passenger flights out of Boise Airport.

Does Boise Airport offer international nonstop flights?

Currently, Boise Airport offers domestic nonstop routes only. However, travelers can easily reach international destinations via one-stop connections at major hub airports such as Salt Lake City, Seattle, Denver, or San Francisco.

How far in advance should passengers arrive for flights at BOI?

Airport officials generally recommend arriving at least two hours prior to scheduled domestic departure times to allow sufficient time for check-in and TSA security screening.

Related Idaho questions

  • What nonstop flights are available from Boise Airport?
  • Where is passenger parking located at Boise Airport?
  • What terminal amenities and dining options are at BOI?

Sources and verification