SMN · KSMN · Lemhi County Airport

Lemhi County Airport (SMN)

Salmon, United States · medium airport · 45.122° -113.882° ·
Airport Information
IATA CodeSMN
ICAO CodeKSMN
Typemedium airport
NameLemhi County Airport
MunicipalitySalmon
CountryUnited States
ContinentNA
Latitude45.122° N
Longitude-113.882° W
Elevation4043 ft
Climate ZoneTemperate
Scheduled ServiceYes
Score500
Local TimeLoading...
Country & Timezone Info
CountryUnited States
ISO Code
RegionSalmon
Continent CodeNA
IANA TimezoneAmerica/New_York
UTC Offset (Standard)UTC-5
DST OffsetUTC-4
Current Offset--

🌬 Best Time to Fly

Recommended: May – September
Pleasant temperatures across most regions
Loading season...
Spring: Mar–MaySummer: Jun–AugAutumn: Sep–NovWinter: Dec–Feb

✈ Airlines Serving SMN

AA — American AirlinesDL — Delta Air LinesUA — United AirlinesWN — Southwest AirlinesAS — Alaska AirlinesB6 — JetBlueAC — Air Canada

🌡 Climate — Temperate (45.1°N)

Jan
Feb
10°
Mar
13°
Apr
17°
May
21°
11°
Jun
26°
15°
Jul
28°
17°
Aug
27°
16°
Sep
23°
13°
Oct
18°
Nov
12°
Dec
* Approximate average temperatures by month based on temperate latitude zone

AI-Enhanced Insights

Lemhi County Airport (SMN) is a public-use general aviation facility serving the remote mountain community of Salmon, Idaho. Nestled in the Salmon River Valley near the Continental Divide, the airport provides critical air access to a region known for its rugged backcountry and proximity to the Frank Church River of No Return Wilderness. It primarily handles private aircraft, air charter, and emergency medical flights due to the area's geographic isolation.

💡 Local Tip
Pilots flying in should file a flight plan and check mountain weather conditions carefully, as the surrounding terrain creates challenging wind patterns and afternoon thermal turbulence is common in summer months.
🚖 Getting There

Rental cars are not readily available at the airport, so most visitors arrange ground transportation in advance through hotels or local contacts in Salmon. The airport is located a short drive southeast of downtown Salmon, and taxi or shuttle services should be booked ahead of time. Self-driving visitors should note that the nearest major highway connections involve mountain roads, which can be impacted by winter weather.

❓ Frequently Asked Questions
Q: What is Lemhi County Airport primarily used for?
A: The airport primarily serves general aviation, private aircraft, air charter services, and medevac flights, as commercial airline service is not available at this facility.

Q: Are there commercial flights at Lemhi County Airport?
A: No, SMN does not offer scheduled commercial passenger service. Travelers typically fly in via private or chartered aircraft.

Q: What is the airport's location advantage?
A: The airport provides essential access to central Idaho's wilderness areas, including the Salmon River and the Frank Church-River of No Return Wilderness, making it a popular base for fishing, hunting, and backcountry expeditions.

Q: How large is the airport's runway?
A: The airport features a single asphalt runway that can accommodate small to mid-size general aviation aircraft, including turboprops commonly used for regional charter flights.

AI-generated content · Generated Jun 29, 2026 · MiniMax-M3

🗺 Location Map

🌏 Nearby Airports (Top 5)

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BTM Bert Mooney Airport Butte, United States 142.1 km 88.3 mi View →
DBS Dubois Municipal Airport Dubois, United States 169.3 km 105.2 mi View →
DRU Drummond Airport Drummond, United States 174.8 km 108.6 mi View →

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