| Name | Type | IATA | ICAO | City |
|---|---|---|---|---|
| Tezak's-Colterville-Spur Airport | Closed Airport | - | US-11750 |
Sheridan |
| The Landing Zone Heliport | Heliport | - | 48MT |
Stevensville |
| Thompson Falls Airport | Small Airport | THM | KTHM |
Thompson Falls |
| Thompson Field | Closed Airport | - | US-11766 |
Belgrade |
| Three Cross Ranch Airport | Small Airport | - | 3MT3 |
Ryegate |
| Three Forks Airport | Small Airport | - | K9S5 |
Three Forks |
| Thunder Lane Airport | Small Airport | - | US-7535 |
Heron |
| Tiber Dam Airport | Small Airport | - | B70 |
Chester |
| Tillitt Field | Small Airport | - | K1S3 |
Forsyth |
| Torgerson Airport | Small Airport | - | 06MT |
Ethridge |
| Torres Airport | Small Airport | - | MT18 |
Columbia Falls |
| Torske Airport | Closed Airport | - | US-7383 |
Garryowen |
| Townsend Airport | Small Airport | - | K8U8 |
Townsend |
| Trailcreek Airport | Small Airport | - | US-3407 |
Livingston |
| Trapper Creek Strip | Small Airport | - | MT30 |
Darby |
| Troy Airport | Small Airport | - | K57S |
Troy |
| Turner Airport | Small Airport | - | K9U0 |
Turner |
| Unrau Airport | Small Airport | - | 5MT5 |
Wolf Point |
| US Border Patrol Sunburst Heliport | Heliport | - | US-6004 |
Sunburst |
| Valier Airport | Small Airport | - | K7S7 |
Valier |
| Vbob Airport | Small Airport | - | 32MT |
Twin Bridges |
| Vine Airport | Small Airport | - | MT80 |
Wolf Point |
| Wagner Ranch Airport | Closed Airport | - | US-9248 |
Nashua |
| Waterfall Airport | Small Airport | - | 23MT |
Bozeman |
| Weaver Airport | Small Airport | - | MT54 |
Kalispell |
| West Fork Lodge Airport | Small Airport | - | 4U7 |
Conner |
| West Glacier Airport | Closed Airport | - | US-5149 |
West Glacier |
| West Yellowstone Clinic Helipad | Heliport | - | US-8449 |
West Yellowstone |
| Wheatland County Airport at Harlowton | Small Airport | - | KHWQ |
Harlowton |
| Whetstone International Airport | Small Airport | - | H28 |
Port of Del Bonita |
| Whitefish Airport | Small Airport | - | 58S |
Whitefish |
| Whitehall Intermediate Field | Closed Airport | - | US-3811 |
Whitehall |
| White Sulphur Springs Airport | Small Airport | - | K7S6 |
White Sulphur Springs |
| White Sulphur Springs Ranger Station Heliport | Closed Airport | - | US-11746 |
White Sulphur Springs |
| Whitewater Airport | Closed Airport | - | US-8912 |
Whitewater |
| Wilcox Airport | Small Airport | - | 1MT9 |
Billings |
| Wildcat Field | Small Airport | - | US-7090 |
Philipsburg |
| Wilhelm Airstrip | Closed Airport | - | US-11772 |
Helena |
| Williams Field | Small Airport | - | 0MT1 |
Augusta |
| Willow Airport | Small Airport | - | 3MT9 |
Philipsburg |
| Wilsall Airport | Small Airport | - | 9U1 |
Wilsall |
| Winifred Airport | Small Airport | - | 9S7 |
Winifred |
| Winnett Airport | Small Airport | - | US-4841 |
Winnett |
| Wisdom Airport | Small Airport | - | 7S4 |
Wisdom |
| Wise River Airport | Small Airport | - | 02T |
Wise River |
| Wolf Creek Airport | Small Airport | - | US-8981 |
Stanford |
| Woltermann Memorial Airport | Small Airport | - | K6S3 |
Columbus |
| Woodhawk Airport | Small Airport | - | US-3026 |
Winifred |
| Wood Strip | Closed Airport | - | US-11764 |
Helena |
| Wood Strip | Small Airport | - | 1MT3 |
Elliston |
| Wounded Buck Ranch Airport | Small Airport | - | 22MT |
Kalispell |
| Wurtz Airport | Closed Airport | - | US-11748 |
Polebridge |
| Yellowstone Airport | Medium Airport Scheduled | WYS | KWYS |
West Yellowstone |
| Yellowstone Club Heliport | Heliport | - | US-3747 |
Cameron |
| Yellowstone Seaplane Base | Seaplane Base | - | US-1087 |
West Yellowstone |
| Zerbe Airport | Small Airport | - | MT51 |
Frazer |
| Zortman Airport | Small Airport | - | MT08 |
Zortman |