Where is HLN airport?

HLN is a medium-sized airport in Helena, Montana, United States, at 46.6068, -111.9830, 1,182 m above sea level.

What time zone is HLN in?

HLN is in the America/Denver time zone, UTC−7 / UTC−6 (winter / summer).

How many passengers use HLN?

209,422 passengers in Aug 2025 – Jul 2026, according to the US Bureau of Transportation Statistics (scheduled flights).

AirportMiles

HLN — Helena Regional Airport

Flights on Google Skyscanner

Medium-sized airport in Helena, United States.

IATA code: HLN
ICAO code: KHLN
Size: medium; OurAirports class
Passengers: 209,422; Aug 2025 – Jul 2026
Nonstop routes: 9; With open traffic data
Time zone: UTC−7 / UTC−6; America/Denver
Elevation: 1,182 m; 3,878 ft
Runways: 3; Longest 2,743 m

Local time now: —

More codes: airport codes starting with H

About HLN

Helena Regional Airport is a medium-sized airport serving Helena, United States. 209,422 passengers used it in Aug 2025 – Jul 2026. Open traffic data shows 9 nonstop routes from HLN.

US BTS T-100. Sources

Busiest nonstop routes from HLN

Route	To	Distance	Passengers / year
HLN → DEN	Denver, United States	955 km	87,231
HLN → SLC	Salt Lake City, United States	646 km	80,696
HLN → SEA	Seattle, United States	790 km	40,772
HLN → BZN	Bozeman, United States	112 km	297
HLN → EWR	New York, United States	3,089 km	166
HLN → DTW	Detroit, United States	2,318 km	131
HLN → GEG	Spokane, United States	436 km	67
HLN → YKM	Yakima, United States	656 km	55
HLN → MSO	Missoula, United States	165 km	7

Passengers on the route, both directions, over the period of each source: US DOT / BTS T-100 (Aug 2025 – Jul 2026) for routes touching the US, Eurostat (2024) for routes reported by European airports. Routes outside these are not counted.

Airlines at HLN

OO SkyWest Airlines · 3,107 flights
QX Horizon Air · 703 flights

Departures and arrivals on scheduled passenger flights, Aug 2025 – Jul 2026. U.S. DOT, Bureau of Transportation Statistics, T-100 Segment. Sources

Punctuality

Departures on time: 89.6%; Within 15 minutes of schedule
Cancelled: 0.4%
Departures counted: 1,549; US domestic flights

US domestic flights of the larger US airlines, Aug 2025 – Jul 2026. BTS Reporting Carrier On-Time Performance. Sources

Airports within 150 km

Code	Airport	Serves	Distance
BTM	Bert Mooney Airport	Butte, United States	83 km
GTF	Great Falls International Airport	Great Falls, United States	108 km
BZN	Bozeman Yellowstone International Airport	Bozeman, United States	112 km

Distance from HLN to the major hubs

Route	To	Distance	Passengers / year
HLN → LHR	London, United Kingdom	7,328 km	—
HLN → DXB	Dubai, United Arab Emirates	11,946 km	—
HLN → CDG	Paris, France	7,674 km	—
HLN → FRA	Frankfurt, Germany	7,870 km	—
HLN → IST	Istanbul, Turkey	9,524 km	—
HLN → AMS	Amsterdam, Netherlands	7,505 km	—
HLN → JFK	New York, United States	3,122 km	—
HLN → ATL	Atlanta, United States	2,734 km	—
HLN → LAX	Los Angeles, United States	1,507 km	—
HLN → SIN	Singapore, Singapore	13,642 km	—
HLN → HND	Tokyo, Japan	8,434 km	—
HLN → DOH	Doha, Qatar	11,875 km	—

Runways

Runway	Length	Width	Surface	Lights
09/27	2,743 m	46 m	Asphalt	Yes
05/23	1,415 m	23 m	Asphalt	Yes
16/34	911 m	23 m	Asphalt	Yes

OurAirports (public domain). Sources

Location

Helena, Montana, United States · 46.6068, -111.9830

Map (OpenStreetMap) Wikipedia

Questions

Helena Regional Airport has the IATA code HLN and the ICAO code KHLN. Airlines and tickets use the three-letter IATA code; pilots and air traffic control use the four-letter ICAO code.

For travel agents: have an Amadeus booking? Read it in plain English with the free PNR converter.