AirportsLemhi County Airport is a medium-sized airport serving Salmon, in Idaho, United States. It has scheduled airline flights. Its IATA code, the three letters printed on tickets and baggage tags, is SMN.
Key facts
- IATA code
- SMN
- ICAO code
- KSMN
- City
- Salmon
- State or region
- Idaho
- Country
- United States
- Kind
- Medium airport
- Coordinates
- 45.1222° N, 113.8820° W
- Elevation
- 1,232 m (4,043 ft)
- Runways
- 1
- Longest runway
- 1,679 m (5,510 ft)
Airport codes
On a ticket or a baggage tag, SMN means Lemhi County Airport. Pilots and air traffic controllers use a different, four-letter ICAO code: KSMN. ICAO codes that begin with K belong to the mainland United States. How the two kinds of code differ.
Where it is
The airport lies at 45.1222° N, 113.8820° W. It stands 1,232 metres (4,043 feet) above sea level. The nearest town in our data is Butte, about 144 km away in a straight line.
Local time
Time now at the airport: loading
Time zone America/Denver, taken from the nearest town in the data. Flight times on tickets are always in the local time of each airport.
Runways
Lemhi County Airport has 1 runway in the data. The longest is 1,679 metres (5,510 feet). That suits narrow-body jets and regional aircraft. Among the 675 airports of United States on this site with runway data, its longest runway ranks number 460.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 17/35 | 1,679 m 5,510 ft | 23 m | Asphalt | Yes |
The numbers in a runway name give its compass direction. How runway numbers work.
Nearest airports with scheduled flights
| Airport | Code | Distance |
|---|---|---|
| Bert Mooney AirportButte | BTM | 142 km |
| McCall Municipal AirportMcCall | MYL | 176 km |
| Friedman Memorial AirportHailey | SUN | 183 km |
| Missoula Montana AirportMissoula | MSO | 200 km |
| Helena Regional AirportHelena | HLN | 221 km |
Distance to major airports
| To | Distance | Rough flying time |
|---|---|---|
| Delhi (DEL)India | 11,747 km | 14 h 40 min |
| Mumbai (BOM)India | 12,842 km | 16 h 00 min |
| Dubai (DXB)United Arab Emirates | 12,115 km | 15 h 05 min |
| London Heathrow (LHR)United Kingdom | 7,527 km | 9 h 35 min |
| New York JFK (JFK)United States | 3,271 km | 4 h 25 min |
| Los Angeles (LAX)United States | 1,302 km | 2 h 05 min |
| Singapore (SIN)Singapore | 13,643 km | 16 h 55 min |
| Tokyo Haneda (HND)Japan | 8,394 km | 10 h 35 min |
| Sydney (SYD)Australia | 12,954 km | 16 h 05 min |
Distances are the shortest path over the globe, worked out from the coordinates. Flying times are rough estimates for a direct jet flight. They do not mean that a direct flight exists. Work out the distance to any airport.
Links
Airport data: OurAirports, as downloaded on 11 November 2026. This page does not show live flights, terminals or airlines. For those, use the airport's or the airline's own site. See About and data sources.