Airports / Idaho / SMN
Lemhi County Airport.
Salmon, Idaho · 4,043 ft elevation. A private-aviation gateway on the Bravo register.
4.9/5
Google rating
10 ratings
0
Operators based
4,043
Elevation ft
Google rating
Google reviews
FBOs on field
Field elevation
Nearest alternate
Field standing
#2 / 18
Idaho airports by Google rating
4.9★ across 10 Google ratings , ranked against 18 rated ID fields.
77 nm
To the nearest alternate
Bert Mooney Airport (BTM).
Overview
Lemhi County Airport, listed as KSMN / SMN, is a mid-sized airport in Salmon, Idaho. Field elevation is 4,043 feet above sea level. Scheduled carriers operate here, and the field also sees regular private and charter activity.
While no charter operators list SMN as their home base, the field is reachable for repositioned charter aircraft from nearby bases. The closest alternate fields are Bert Mooney Airport (BTM, 77 nm), McCall Municipal Airport (MYL, 95 nm), and Friedman Memorial Airport (SUN, 99 nm). The field has a single 5,510-foot paved runway, long enough for charter aircraft up to heavy jets.
Trip costs from SMN 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 SMN to plan your flight.
2 FBOs serve KSMN. Run one? Become the preferred FBO
Ramp services
FBOs on the field
Gem Air LLC
Your FBO? Claim it, free- Fuel
- Hangar
- Wi-Fi
- Courtesy car
- Restrooms
- Hangar
- Maintenance
- Parking
- Fuel
- Oxygen
- Phone
- Website
- Address
McCall Aviation / Salmon Air
Your FBO? Claim it, free- Fuel
- Wi-Fi
- Courtesy car
- Restrooms
- Parking
- Fuel
- Pilots lounge
- Phone
- Website
- Address
Directory data, unpaid. FBOs can take the Preferred slot above.
Field capability
ICAO
KSMN
IATA
SMN
FAA / Local
SMN
Elevation
4,043 ft
Coordinates
45.1222° N · 113.8820° 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
Medium
Scheduled svc
Yes
Elevation vs ID fields
state range 1,442–5,318 ft
At 4,043 ft, SMN sits lower than 55% of the 22 Idaho fields on the register.
Runways & aircraft access
1 runway
longest 5,510 ft
- 17/355,510 ft × 75 ftAsphaltLighted
Which aircraft can operate here
vs longest paved runway 5,510 ft
SMN's 5,510 ft paved runway typically supports charter aircraft up to heavy 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, and at 4,043 ft this field's density altitude can extend the runway a jet actually needs on warm days. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 77nmBTMBert Mooney AirportButte
- 95nmMYLMcCall Municipal AirportMcCall
- 99nmSUNFriedman Memorial AirportHailey
- 108nmMSOMissoula Montana AirportMissoula
- 119nmHLNHelena Regional AirportHelena
- 120nmWYSYellowstone AirportWest Yellowstone
Location
Open the full mapKSMN · Lemhi County Airport · Salmon, ID
Flight times from here
Approximate nonstop block times from SMN on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Jackson Hole (JAC) | 163 nm | 47m |
| Salt Lake City (SLC) | 273 nm | 1h 2m |
| Seattle (SEA) | 376 nm | 1h 16m |
| Vail / Eagle (EGE) | 451 nm | 1h 27m |
| Aspen (ASE) | 472 nm | 1h 30m |
| Denver (DEN) | 515 nm | 1h 36m |
| Las Vegas (LAS) | 546 nm | 1h 40m |
| San Francisco (SFO) | 590 nm | 1h 46m |
Common questions
- What size private jets can use SMN?
- Lemhi County Airport's longest paved runway is 5,510 ft, which typically supports charter aircraft up to heavy 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 SMN?
- Lemhi County Airport has one runway; the longest measures 5,510 ft on a paved surface and is lit for night operations.
- Which FBOs are at Lemhi County Airport?
- 2 FBOs serve SMN: Gem Air LLC and McCall Aviation / Salmon Air. Phone, website and services for each are listed on this page. Call ahead for fuel, ramp space, and ground handling.
- What is the nearest major airport to SMN?
- The closest alternate is Bert Mooney Airport (BTM), about 77 nm away, followed by McCall Municipal Airport (MYL) at 95 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from SMN to major cities?
- Typical block times on a midsize jet: Salt Lake City about 1h 2m (273 nm), Seattle about 1h 16m (376 nm), Vail / Eagle about 1h 27m (451 nm). Faster classes trim these times; add positioning and taxi for the real schedule.