Cheap Flights to Boise Airport
Traveling to Idaho’s capital?
Discover cheap flights to Boise Airport (BOI), the state’s busiest airport and an important focus city for Alaska Airlines.
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or request an offerAbout Boise Airport (BOI)
Boise Airport is located about three miles south of downtown Boise, in Ada County, Idaho, serving the wider Treasure Valley region. Opened in 1936 and jointly operated as a public and military facility, the airport set a new passenger record in 2025, handling over 5.2 million travelers for the fourth consecutive year of record-setting traffic, a nearly 5% increase over 2024.
Airport code
BOI (ICAO: KBOI)
Location
Ada County, Idaho, United States
Distance from city center
Approximately 3 miles
Airlines serving
Alaska Airlines (focus city), Delta, Southwest, United, American Airlines
Popular Routes to and from Boise
Seattle and Denver anchor Boise’s route network, alongside a long-haul seasonal connection to Hawaii.
Route Type
Popular Connections
Domestic
Seattle/Tacoma, Denver, Salt Lake City, Portland, Phoenix
Long-Haul
Honolulu (seasonal)
Best Time to Book Cheap Flights
Booking 4 to 8 weeks ahead generally works well for routes into Boise. The area’s warm, dry spring and summer season from April through September draws the most visitors, so booking further ahead is recommended for travel during that period.
What to See Near Boise
Boise is home to the Idaho State Capitol, a striking neoclassical building in the heart of downtown, and the Boise River Greenbelt, a scenic pathway stretching more than 25 miles along the river. The city has also become a growing hub for outdoor recreation, with nearby mountains, rivers, and high desert landscapes drawing visitors year-round.
Things to Know When Flying Into Boise
Alaska Airlines operates the largest share of flights at Boise, connecting to 19 airports, roughly twice as many as the second-largest carrier.
Boise Airport has a single terminal divided into two main concourses, making navigation straightforward.
The airport shares its runways with Idaho Air National Guard operations, reflecting its dual public and military role.
New route announcements, including a planned Anchorage connection, continue to expand the airport’s network.
Why Book Your Boise Flights with Airline Tickets Services
Access to unpublished airfare deals
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FAQs — Flights to International Airport
Boise Airport is a focus city for Alaska Airlines and is also served by Delta, Southwest, United, and American Airlines, along with several other carriers, offering nonstop service to around 29 destinations.
The longest nonstop flight from Boise is to Honolulu, covering about 2,831 miles and taking around 7 hours.
Boise Airport is located about three miles south of downtown Boise, in Ada County, Idaho.
Boise Airport operates primarily as a domestic hub, though limited seasonal routes and connections through major hubs provide access to international destinations.
Booking 4 to 8 weeks ahead generally works well, with earlier booking recommended for the popular spring and summer season from April through September.
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