Granite County, Montana: Aviation Access for Silver Country and Wilderness Gateway
Granite County sits in west-central Montana, a rugged stretch of the Northern Rockies where the Flint Creek Range rises above historic mining towns and sweeping ranchlands. The county seat of Philipsburg — named for mining engineer Philip Deidesheimer and home to roughly 913 residents — anchors a county of about 3,676 people spread across some of the most spectacular terrain in the American West. Aviation access here means connecting this remote silver-mining heartland to major commercial networks, whether for business travel, medical transport, or the steady flow of skiers and wilderness explorers drawn to this corner of Montana.
Missoula International Airport: The Primary Commercial Gateway 83 Miles North
For most Granite County residents and visitors, Missoula International Airport (MSO) serves as the primary commercial air gateway. Philipsburg lies approximately 83 miles southeast of MSO — a drive of roughly 1 hour and 24 minutes via Montana Highway 200 west to U.S. 93 north, then east on Interstate 90 to Exit 96. Missoula's airport offers nonstop service to more than 13 major U.S. markets through Alaska Airlines, Allegiant Air, American Airlines, Delta Air Lines, Sun Country Airlines, and United Airlines. Whether connecting to Seattle, Denver, Minneapolis, Los Angeles, or Phoenix, MSO provides Granite County travelers with reliable connections to the national network. The airport is currently undergoing a Phase 2 expansion that adds expanded baggage claim capacity and additional rental car facilities — a positive development for the growing number of visitors entering the Anaconda-Pintler Wilderness and Discovery Basin Ski Area by air.
Bert Mooney Airport in Butte: A Closer Alternative for Southern Granite County
Travelers in the southern reaches of Granite County, particularly those near the county's border with Deer Lodge County, may find Bert Mooney Airport (BTM/KBTM) in Butte a more practical option. Butte's airport sits approximately 46 miles from Philipsburg — notably closer than Missoula — and offers scheduled commercial service through Delta Connection and United Express. While BTM provides fewer nonstop destinations than MSO, its proximity makes it worth evaluating for travelers heading to Salt Lake City or other hub airports with convenient connecting options. The route south from Philipsburg follows Montana Highway 1 through Anaconda toward Butte, passing through Silver Bow County and a landscape still marked by the legacy of copper smelting and hard-rock mining.
Local General Aviation: Riddick Field and Drummond Airport
Granite County maintains two public general aviation airports managed through the Granite County Courthouse. Riddick Field Airport (FAA identifier U05) in Philipsburg supports private aircraft operations, charter flights, and emergency access for this otherwise road-dependent county. The Drummond Airport (FAA identifier M26), located in the small community of Drummond along I-90 in the county's northern corridor, provides another access point for general aviation pilots. Both facilities enable private and business aviation to reach Granite County without requiring the lengthy drive to Missoula or Butte, and they serve as critical infrastructure for ranch operations, mining inspections, and recreational flying throughout the region. The Granite County Memorial Hospital Heliport (MT67) in Philipsburg provides dedicated medical air transport capability — essential in a county where the nearest Level I trauma center is more than an hour's drive away.
Aviation and the Granite County Economy: Skiing, Mining Heritage, and Wilderness Tourism
Two industries drive aviation demand in and around Granite County more than any others: recreational tourism and the county's enduring connection to extractive industries. Discovery Basin Ski Area, operated on the eastern slopes of the Flint Creek Range within Beaverhead-Deerlodge National Forest, draws skiers from across the region to its 8,158-foot summit, 2,388 feet of vertical drop, and uncrowded terrain. Visitors flying into MSO or BTM during ski season — typically December through April — often rent vehicles at the airport and make the drive south into Granite County specifically for Discovery Basin's affordable lift tickets and low crowds. The Anaconda-Pintler Wilderness, straddling the Continental Divide across 158,656 acres, generates summer aviation traffic from backcountry hikers, trail runners, and wildlife photographers accessing the 50-mile Continental Divide Trail corridor and the wilderness's documented populations of grizzly bear, gray wolf, mountain goat, and bighorn sheep. Mining interests, while diminished from the peak years when Granite County produced 710,000 ounces of gold and 376,000 ounces of silver through 1959, still generate periodic charter and survey aviation for mineral exploration across the county's 15,684 BLM-recorded mining claims.
Granite Ghost Town and the County's Silver Queen Heritage
The Granite Ghost Town State Park, located 5 miles southeast of Philipsburg, preserves the ruins of what was once called "Montana's Silver Queen" — a mining camp that reached a population of more than 3,000 at its 1890s peak before collapsing with the silver crash of 1893. Today the park draws historians, photographers, and heritage tourists who often fly into MSO, rent vehicles, and spend several days exploring Granite County's mining legacy alongside its wilderness recreation. The county's aviation access story is inseparable from this broader tourism identity: a remote, historically rich destination that requires connecting through larger regional airports before reaching terrain that rewards the journey.
International Airports
An international airport is a vital component of any major metropolitan area. It connects domestic and international travelers, providing them with a means to connect to the rest of the world.
An international airport is a large airport that is equipped to handle both domestic and international flights. It also has a significant economic impact on the local community.
These major Montana Airports generate thousands of jobs and contribute billions of dollars to the local economy through tourism and other related industries.
A large international airport also offers a variety of amenities for travelers. These can include shopping centers, dining options, lounges, and other services such as currency exchange and luggage storage.
Private Airports
Private airports, also known as general aviation airports, are airports that are not open to commercial airlines and are used primarily by private aircraft.
One of the main benefits of a private airport is the exclusivity and privacy it offers.
These airports are often used by high-profile individuals, such as celebrities and business executives, who value their privacy and want to avoid the crowds and security lines of commercial airports.
Private airports also offer more flexibility and convenience for aircraft owners. They can also be used for training pilots and hosting aviation events.
There are 0 Private Airport in Granite County, Montana.
Regional Airports
Regional airports are smaller airports that serve a rural geographic region, such as a smaller city or county with a population of less than 100,000.
Small airports mostly offer flights within the same country, but some may offer flights to nearby countries.
One of the main advantages of regional airports is their convenience. They also tend to have shorter security lines and fewer crowds, making the overall travel experience more enjoyable.
There are 0 Regional Airport in Granite County, Montana.
Municipal Airports
Municipal airports which are also called "public airports" are owned and run by local governments like cities and counties.
Most of the time, they are smaller airports that serve a certain area and have mostly domestic flights, but some may also have flights to nearby countries.
One of the main advantages of municipal airports is their accessibility. They are often located in or near major cities, making them a convenient option for travelers.
Municipal airports provide a vital link for businesses in the region, allowing them to easily connect to other parts of the country.
There are 0 Municipal Airport in Granite County, Montana.
Local Airports
There are 2 Local Airport in Granite County, Montana.
Riddick Field Airport
Drummond Airport - Dru
Frequently Asked Questions — Granite County, Montana Airport Services
Missoula International Airport (MSO) is the primary commercial airport for most Granite County residents. Located approximately 83 miles northwest of Philipsburg — about a 1-hour-24-minute drive via Montana Highway 200 and I-90 — MSO offers nonstop service to more than 13 U.S. markets through Alaska Airlines, Delta, American, United, Allegiant, and Sun Country. For residents in the southern part of the county, Bert Mooney Airport (BTM) in Butte is roughly 46 miles from Philipsburg and provides a closer alternative for travelers connecting through Salt Lake City or Denver hubs.
Yes. Granite County operates two public general aviation airports: Riddick Field Airport (U05) in Philipsburg and Drummond Airport (M26) in Drummond. Both are managed through the Granite County Courthouse. These facilities support private aircraft, charter operations, and business aviation, allowing pilots to fly directly into the county without driving from Missoula or Butte. The county also has the Granite County Memorial Hospital Heliport (MT67) in Philipsburg for medical air transport. Private airstrips, including Bobcat Field (1MT6), serve additional general aviation needs across the county's rural landscape.
Bert Mooney Airport (BTM) in Butte, approximately 46 miles from Philipsburg, is the closest commercial airport to Discovery Basin Ski Area. However, most out-of-state visitors fly into Missoula International Airport (MSO), which offers far more nonstop routes and airline options. From MSO, the drive south on I-90 and then Montana Highway 1 to Philipsburg takes approximately 1 hour 30 minutes. Rental vehicles are available at both airports. Riddick Field Airport (U05) in Philipsburg itself is the closest general aviation option for private pilots flying directly to the ski area.
The standard route for out-of-state visitors to the Anaconda-Pintler Wilderness is to fly into Missoula International Airport (MSO) and rent a vehicle for the drive south. MSO is served by Alaska, Delta, American, United, Allegiant, and Sun Country with nonstop connections from Seattle, Denver, Minneapolis, Los Angeles, and other major hubs. From the Missoula terminal, drive east on I-90 to Exit 96, then south on U.S. 93 and Montana Highway 1 to reach Philipsburg and trailheads on the Granite County side of the wilderness. Trail registration is required at Anaconda-Pintler trailheads, and high-mountain passes typically remain snow-covered until mid-July.
Granite County Memorial Hospital in Philipsburg operates a dedicated heliport (MT67) that supports medical air transport and emergency evacuations — critical infrastructure given the county's remote location more than an hour from major trauma centers. For charter aviation, Riddick Field Airport (U05) in Philipsburg supports private jet and charter operations through the general aviation facility. Visitors with private aircraft or charter needs can contact the Granite County Courthouse at (406) 859-3771 for Riddick Field information or (406) 859-3521 for Drummond Airport inquiries.