# Great Falls International Airport (GTF / KGTF) **Great Falls International Airport** (IATA: GTF, ICAO: KGTF) is a medium airport in Great Falls, Montana, United States. It opened in Apr 1940. It has 2 runways; the longest is 10,502 ft (3,201 m). In 2025 it handled 374 thousand passengers. Web page: https://dromopedia.com/airports/kgtf ## At a glance - IATA / ICAO: GTF / KGTF - FAA: GTF - Type: Medium airport - Serves: Great Falls, Montana, United States - Opened: Apr 1940 - Elevation: 3,680 ft / 1,122 m - Coordinates: 47.4820, -111.3710 - Runways: 2 - Longest runway: 10,502 ft / 3,201 m - Instrument procedures: 11 approaches - Passengers: 373,971 (2025) - Time zone: UTC-7/-6 · America/Denver - Website: http://www.gtfairport.com - Wikipedia: https://en.wikipedia.org/wiki/Great_Falls_International_Airport (13 languages) - Wikidata: https://www.wikidata.org/wiki/Q3456412 - Weather station: KGTF · WMO 72775 - Ident: KGTF ## Timeline - Apr 1940: Great Falls International Airport opens. ## Runways | Ident | Length | Width | Surface | True headings | Lighted | | --- | --- | --- | --- | --- | --- | | 03/21 | 10,502 ft / 3,201 m | 150 ft / 46 m | Asphalt | 045° / 225° | yes | | 17/35 | 6,030 ft / 1,838 m | 150 ft / 46 m | Asphalt | 180° / 360° | yes | - FAA airport diagram: https://aeronav.faa.gov/d-tpp/2611/00177AD.PDF ## Passengers per year | Year | Passengers | Source | | --- | --- | --- | | 2015 | 400,849 | BTS T-100 Segment | | 2016 | 354,608 | BTS T-100 Segment | | 2017 | 343,098 | BTS T-100 Segment | | 2018 | 354,803 | BTS T-100 Segment | | 2019 | 350,658 | BTS T-100 Segment | | 2020 | 160,900 | BTS T-100 Segment | | 2021 | 268,284 | BTS T-100 Segment | | 2022 | 283,702 | BTS T-100 Segment | | 2023 | 356,225 | BTS T-100 Segment | | 2024 | 373,483 | BTS T-100 Segment | | 2025 | 373,971 | BTS T-100 Segment | ## Routes 6 destinations in 1 country. From the airport's Wikipedia article. ### Year-round (5) - [SLC](https://dromopedia.com/airports/kslc.md) Salt Lake City International Airport · United States · 464 mi / 746 km · Delta Connection - [SEA](https://dromopedia.com/airports/ksea.md) Seattle–Tacoma International Airport · United States · 511 mi / 822 km · Alaska Airlines - [DEN](https://dromopedia.com/airports/kden.md) Denver International Airport · United States · 623 mi / 1,003 km · United Express - [LAS](https://dromopedia.com/airports/klas.md) Harry Reid International Airport · United States · 811 mi / 1,305 km · Allegiant Air - [AZA](https://dromopedia.com/airports/kiwa.md) Mesa Gateway Airport · United States · 979 mi / 1,576 km · Allegiant Air ### Seasonal (2) - [DEN](https://dromopedia.com/airports/kden.md) Denver International Airport · United States · 623 mi / 1,003 km · United Airlines - [ORD](https://dromopedia.com/airports/kord.md) Chicago O'Hare International Airport · United States · 1,207 mi / 1,943 km · United Express ## Airlines The figure is how many destinations each airline flies from GTF, as the routes above have them. Hubs from Wikidata. ### Passenger (5) - G4 [Allegiant Air](https://dromopedia.com/airlines/allegiant-air) · 2 - UA [United Express](https://dromopedia.com/airlines/united-express) · 2 - AS [Alaska Airlines](https://dromopedia.com/airlines/alaska-airlines) · 1 - [Delta Connection](https://dromopedia.com/airlines/delta-connection) · 1 - UA [United Airlines](https://dromopedia.com/airlines/united-airlines) · 1 · seasonal ## Rankings Ranked among 48,075 open airports; = marks a shared place. | Measure | Value | World | Region | Country | | --- | --- | --- | --- | --- | | Passengers | 374K (2025) | #1,244 of 3,974 | #285 in North America | #193 in US | | Longest runway | 10,502 ft / 3,201 m | =802 of 29,858 | #182 in North America | #147 in US | | Elevation | 3,680 ft / 1,122 m | =4,059 of 43,403 | =2,143 in North America | =1,685 in US | | Age | Opened 1940 | =1,114 of 15,079 | =366 in North America | =338 in US | | Runways | 2 | =715 of 29,978 | =435 in North America | =391 in US | ## Radio frequencies | Type | Description | MHz | | --- | --- | --- | | A/D | APP/DEP | 128.600 | | ATIS | ATIS | 126.600 | | GND | GND/CLNC DEL | 121.700 | | OPS | ANG OPS MAINT | 28.890 | | RDO | RDO | 122.600 | | TWR | TWR | 118.700 | | UNIC | UNICOM | 122.950 | ## Nearby airports - [MT76](https://dromopedia.com/airports/mt76.md) Smith Farms Airport · 7.3 mi / 12 km - [MT33](https://dromopedia.com/airports/mt33.md) Bair Airport · 7.4 mi / 12 km - [MT49](https://dromopedia.com/airports/mt40.md) Horner Field · 9.0 mi / 15 km - [1MT7](https://dromopedia.com/airports/1mt7.md) Prill Field · 11 mi / 17 km - [31MT](https://dromopedia.com/airports/31mt.md) Reverse 5 Bar M Airport · 17 mi / 28 km - [3MT7](https://dromopedia.com/airports/03mt.md) Cascade Field · 22 mi / 35 km ## Sources - [BTS T-100 Segment](https://www.transtats.bts.gov/Tables.asp?QO_VQ=EEE&QO_anzr=Nv4%20Pn44vr45): US traffic: Bureau of Transportation Statistics, T-100 Segment (Public Domain (US Government)) - [FAA NASR](https://www.faa.gov/air_traffic/flight_info/aeronav/aero_data/NASR_Subscription/): US airport data: FAA National Airspace System Resources (Public Domain (US Government)) - [NOAA Aviation Weather Center](https://aviationweather.gov/data/api/): Weather data: NOAA Aviation Weather Center (Public Domain (US Government)) - [OurAirports](https://ourairports.com/data/): Airport data from OurAirports (Public Domain) - [Wikidata](https://www.wikidata.org): Structured data from Wikidata (CC0 1.0) - [Wikipedia: “Great Falls International Airport”](https://en.wikipedia.org/w/index.php?title=Great_Falls_International_Airport&oldid=1368988950), revision of 12 Aug 2026 (CC BY-SA 4.0) - [timezone-boundary-builder](https://github.com/evansiroky/timezone-boundary-builder): Time zone boundaries © OpenStreetMap contributors, timezone-boundary-builder (ODbL 1.0) - Every figure with its source: https://dromopedia.com/airports/kgtf/data