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IATA HLNICAO KHLN

Helena Regional Airport

Helena, Montana, United States

Helena Regional Airport is a medium-sized airport serving Helena, United States. Its IATA code is HLN and its ICAO code is KHLN. The airport lies at an elevation of 3,877 ft (1,182 m) above sea level. It has 3 runway(s); the longest is 09/27, 9,000 ft (2,743 m) long. Local time follows the America/Denver time zone.

Key facts

IATA code
HLN
ICAO code
KHLN
Airport type
Medium airport
Elevation
3,877 ft (1,182 m)
Coordinates
46.6068, -111.9830
Time zone
America/Denver
Local time now
—
Scheduled service
Yes

Location

BTM — Bert Mooney AirportGTF — Great Falls International AirportBZN — Bozeman Yellowstone International AirportSMN — Lemhi County AirportWYS — Yellowstone AirportHVR — Havre City County AirportBIL — Billings Logan International AirportCOD — Yellowstone Regional AirportBTMGTFBZNSMNWYSHVRBILCODHLN
Natural Earth · 46.6068, -111.9830Open in OpenStreetMap ↗

Runways

RunwayLengthWidthSurfaceLighted
05/234,644 ft · 1,415 m75 ft · 23 mAsphaltYes
09/279,000 ft · 2,743 m150 ft · 46 mAsphaltYes
16/342,989 ft · 911 m75 ft · 23 mAsphaltYes

Nearest airports

Airports with scheduled service closest to Helena Regional Airport, by great-circle distance.

AirportCityDistance
BTM Bert Mooney AirportButte, United States83 km · 52 mi
GTF Great Falls International AirportGreat Falls, United States108 km · 67 mi
BZN Bozeman Yellowstone International AirportBozeman, United States112 km · 70 mi
SMN Lemhi County AirportSalmon, United States221 km · 137 mi
WYS Yellowstone AirportWest Yellowstone, United States224 km · 139 mi
HVR Havre City County AirportHavre, United States272 km · 169 mi
BIL Billings Logan International AirportBillings, United States279 km · 173 mi
COD Yellowstone Regional AirportCody, United States327 km · 203 mi

Distances to major hubs

Great-circle distances from HLN. These are geographic distances, not a list of operated flights.

Radio frequencies

Not for navigation. Always use official, current aeronautical publications.

TypeDescriptionMHz
A/DAPP/DEP119.500
ATISATIS120.400
CTAFCTAF118.300
GNDGND121.900
OPSARNG OPS40.650
RDOGREAT FALLS RDO122.550
TWRTWR118.300
UNICUNICOM122.950

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 Helena Regional Airport?

The IATA code of Helena Regional Airport is HLN and its ICAO code is KHLN.

Where is Helena Regional Airport located?

Helena Regional Airport is in Helena, Montana, United States, at 46.6068, -111.9830.

What time zone is Helena Regional Airport in?

Helena Regional Airport uses the IANA time zone America/Denver. Daylight saving time, where applicable, is applied automatically by the clock on this page.

How long is the longest runway at Helena Regional Airport?

The longest runway listed is 09/27, 9,000 ft (2,743 m) long.

What is the nearest airport to Helena Regional Airport?

The nearest airport with scheduled service in our directory is Bert Mooney Airport (BTM), about 83 km (52 mi) away.

Source: OurAirports (data updated: 9 November 2026). Not for navigation. Always use official, current aeronautical publications.