Lemhi County Airport is a medium-sized airport serving Salmon, United States. Its IATA code is SMN and its ICAO code is KSMN. The airport lies at an elevation of 4,043 ft (1,232 m) above sea level. It has 1 runway(s); the longest is 17/35, 5,510 ft (1,679 m) long. Local time follows the America/Boise time zone.
Key facts
- IATA code
- SMN
- ICAO code
- KSMN
- Airport type
- Medium airport
- Elevation
- 4,043 ft (1,232 m)
- Coordinates
- 45.1222, -113.8820
- Time zone
- America/Boise
- Local time now
- —
- Scheduled service
- Yes
Location
Runways
| Runway | Length | Width | Surface | Lighted |
|---|---|---|---|---|
| 17/35 | 5,510 ft · 1,679 m | 75 ft · 23 m | Asphalt | Yes |
Nearest airports
Airports with scheduled service closest to Lemhi County Airport, by great-circle distance.
| Airport | City | Distance |
|---|---|---|
| BTM Bert Mooney Airport | Butte, United States | 142 km · 88 mi |
| SUN Friedman Memorial Airport | Hailey, United States | 183 km · 114 mi |
| MSO Missoula Montana Airport | Missoula, United States | 200 km · 124 mi |
| HLN Helena Regional Airport | Helena, United States | 221 km · 137 mi |
| WYS Yellowstone Airport | West Yellowstone, United States | 223 km · 139 mi |
| BZN Bozeman Yellowstone International Airport | Bozeman, United States | 225 km · 140 mi |
| IDA Idaho Falls Regional Airport | Idaho Falls, United States | 230 km · 143 mi |
| PIH Pocatello Regional Airport | Pocatello, United States | 267 km · 166 mi |
Distances to major hubs
Great-circle distances from SMN. These are geographic distances, not a list of operated flights.
| Airport | km | mi | NM | |
|---|---|---|---|---|
| LAX Los Angeles | 1,302 | 809 | 703 | View route |
| ATL Atlanta | 2,814 | 1,748 | 1,519 | View route |
| MEX Mexico City | 3,166 | 1,967 | 1,709 | View route |
| JFK New York | 3,271 | 2,033 | 1,766 | View route |
| LHR London | 7,527 | 4,677 | 4,064 | View route |
| CDG Paris (Roissy-en-France, Val-d'Oise) | 7,873 | 4,892 | 4,251 | View route |
| FRA Frankfurt am Main | 8,067 | 5,013 | 4,356 | View route |
| HND Tokyo | 8,394 | 5,216 | 4,532 | View route |
| PEK Beijing | 9,288 | 5,772 | 5,015 | View route |
| IST Istanbul | 9,714 | 6,036 | 5,245 | View route |
| GRU São Paulo | 10,219 | 6,349 | 5,518 | View route |
| DEL New Delhi | 11,747 | 7,299 | 6,343 | View route |
| DXB Dubai | 12,115 | 7,528 | 6,541 | View route |
| SYD Sydney (Mascot) | 12,954 | 8,049 | 6,994 | View route |
| SIN Singapore | 13,643 | 8,477 | 7,366 | View route |
| JNB Johannesburg | 16,047 | 9,971 | 8,665 | View route |
Radio frequencies
Not for navigation. Always use official, current aeronautical publications.
| Type | Description | MHz |
|---|---|---|
| AWOS | AWOS 3 | 135.075 |
| CNTR | SALT LAKE CITY CNTR | 132.400 |
| RDO | BOISE RDO | 122.550 |
| UNIC | CTAF/UNICOM | 122.800 |
External links
External links come from the source dataset and are not independently verified by FlyingWorld.
Frequently asked questions
What is the airport code of Lemhi County Airport?
The IATA code of Lemhi County Airport is SMN and its ICAO code is KSMN.
Where is Lemhi County Airport located?
Lemhi County Airport is in Salmon, Idaho, United States, at 45.1222, -113.8820.
What time zone is Lemhi County Airport in?
Lemhi County Airport uses the IANA time zone America/Boise. Daylight saving time, where applicable, is applied automatically by the clock on this page.
How long is the longest runway at Lemhi County Airport?
The longest runway listed is 17/35, 5,510 ft (1,679 m) long.
What is the nearest airport to Lemhi County Airport?
The nearest airport with scheduled service in our directory is Bert Mooney Airport (BTM), about 142 km (88 mi) away.
Source: OurAirports (data updated: 9 November 2026). Not for navigation. Always use official, current aeronautical publications.