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IATA GTFICAO KGTF

Great Falls International Airport

Great Falls, Montana, United States

Great Falls International Airport is a medium-sized airport serving Great Falls, United States. Its IATA code is GTF and its ICAO code is KGTF. The airport lies at an elevation of 3,680 ft (1,122 m) above sea level. It has 3 runway(s); the longest is 03/21, 10,502 ft (3,201 m) long. Local time follows the America/Denver time zone.

Key facts

IATA code
GTF
ICAO code
KGTF
Airport type
Medium airport
Elevation
3,680 ft (1,122 m)
Coordinates
47.4820, -111.3710
Time zone
America/Denver
Local time now
—
Scheduled service
Yes

Location

HLN — Helena Regional AirportHVR — Havre City County AirportBTM — Bert Mooney AirportBZN — Bozeman Yellowstone International AirportYQL — Lethbridge County AirportBIL — Billings Logan International AirportWYS — Yellowstone AirportSMN — Lemhi County AirportHLNHVRBTMBZNYQLBILWYSSMNGTF
Natural Earth · 47.4820, -111.3710Open in OpenStreetMap ↗

Runways

RunwayLengthWidthSurfaceLighted
03/2110,502 ft · 3,201 m150 ft · 46 mAsphaltYes
07/254,294 ft · 1,309 m75 ft · 23 mAsphaltYes
17/356,030 ft · 1,838 m150 ft · 46 mAsphaltYes

Nearest airports

Airports with scheduled service closest to Great Falls International Airport, by great-circle distance.

AirportCityDistance
HLN Helena Regional AirportHelena, United States108 km · 67 mi
HVR Havre City County AirportHavre, United States168 km · 104 mi
BTM Bert Mooney AirportButte, United States190 km · 118 mi
BZN Bozeman Yellowstone International AirportBozeman, United States190 km · 118 mi
YQL Lethbridge County AirportLethbridge, Canada261 km · 162 mi
BIL Billings Logan International AirportBillings, United States285 km · 177 mi
WYS Yellowstone AirportWest Yellowstone, United States311 km · 193 mi
SMN Lemhi County AirportSalmon, United States326 km · 203 mi

Distances to major hubs

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

Radio frequencies

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

TypeDescriptionMHz
A/DAPP/DEP128.600
ATISATIS126.600
GNDGND/CLNC DEL121.700
OPSANG OPS MAINT28.890
RDORDO122.600
TWRTWR118.700
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 Great Falls International Airport?

The IATA code of Great Falls International Airport is GTF and its ICAO code is KGTF.

Where is Great Falls International Airport located?

Great Falls International Airport is in Great Falls, Montana, United States, at 47.4820, -111.3710.

What time zone is Great Falls International Airport in?

Great Falls International 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 Great Falls International Airport?

The longest runway listed is 03/21, 10,502 ft (3,201 m) long.

What is the nearest airport to Great Falls International Airport?

The nearest airport with scheduled service in our directory is Helena Regional Airport (HLN), about 108 km (67 mi) away.

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