Airports / Montana / THM
Thompson Falls Airport.
Thompson Falls, Montana · 2,467 ft elevation. A private-aviation gateway on the Bravo register.
4.1/5
Google rating
10 ratings
0
Operators based
2,467
Elevation ft
Google rating
Google reviews
Field elevation
Nearest alternate
Field standing
60 nm
To the nearest alternate
Glacier Park International Airport (FCA).
Overview
Located in Thompson Falls, Montana, Thompson Falls Airport (KTHM / THM) operates as a general aviation field. Field elevation is 2,467 feet above sea level. Free of scheduled airline operations, it serves business aviation, charter flights, and local general aviation.
While no charter operators list THM as their home base, the field is reachable for repositioned charter aircraft from nearby bases. The closest alternate fields are Glacier Park International Airport (FCA, 60 nm), Missoula Montana Airport (MSO, 63 nm), and Coeur D'Alene Airport - Pappy Boyington Field (COE, 63 nm). The field has a single 4,200-foot paved runway, long enough for charter aircraft up to light jets.
Trip costs from THM are driven by the aircraft category flown and how far it must reposition. Browse operators flying from the area or estimate a trip cost from THM to plan your flight.
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Field capability
ICAO
KTHM
IATA
THM
FAA / Local
THM
Elevation
2,467 ft
Coordinates
47.5735° N · 115.2810° W
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Small
Scheduled svc
No
Elevation vs MT fields
state range 1,985–6,649 ft
At 2,467 ft, THM sits lower than 77% of the 31 Montana fields on the register.
Runways & aircraft access
1 runway
longest 4,200 ft
- 08/264,200 ft × 75 ftAsphaltLighted
Which aircraft can operate here
vs longest paved runway 4,200 ft
THM's 4,200 ft paved runway typically supports charter aircraft up to light jets.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 60nmFCAGlacier Park International AirportKalispell
- 63nmMSOMissoula Montana AirportMissoula
- 63nmCOECoeur D'Alene Airport - Pappy Boyington FieldCoeur d'Alene
- 83nmSFFFelts FieldSpokane
- 90nmPUWPullman-Moscow Regional AirportPullman
- 91nmGEGSpokane International AirportSpokane
Location
Open the full mapKTHM · Thompson Falls Airport · Thompson Falls, MT
Flight times from here
Approximate nonstop block times from THM on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Seattle (SEA) | 285 nm | 1h 4m |
| Jackson Hole (JAC) | 305 nm | 1h 7m |
| Salt Lake City (SLC) | 431 nm | 1h 24m |
| Vail / Eagle (EGE) | 598 nm | 1h 47m |
| Aspen (ASE) | 621 nm | 1h 51m |
| Denver (DEN) | 652 nm | 1h 55m |
| San Francisco (SFO) | 674 nm | 1h 58m |
| Las Vegas (LAS) | 690 nm | 2h 0m |
Common questions
- What size private jets can use THM?
- Thompson Falls Airport's longest paved runway is 4,200 ft, which typically supports charter aircraft up to light jets. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at THM?
- Thompson Falls Airport has one runway; the longest measures 4,200 ft on a paved surface and is lit for night operations.
- What is the nearest major airport to THM?
- The closest alternate is Glacier Park International Airport (FCA), about 60 nm away, followed by Missoula Montana Airport (MSO) at 63 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from THM to major cities?
- Typical block times on a midsize jet: Seattle about 1h 4m (285 nm), Jackson Hole about 1h 7m (305 nm), Salt Lake City about 1h 24m (431 nm). Faster classes trim these times; add positioning and taxi for the real schedule.