GTF
Great Falls International Airport

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.
Timeline
1 event · 1940–1940APR 1940
OpenedGreat Falls International Airport opens.
From Wikidata · FAAEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap · FAA diagram PDF03/21045° / 225° · LIT
LENGTH10,502 ft3,201 mWIDTH150 ft46 mSURFACEAsphalt
17/35180° / 360° · LIT
LENGTH6,030 ft1,838 mWIDTH150 ft46 mSURFACEAsphalt
Passengers per year
2015–2025401K
355K
343K
355K
351K
161K
268K
284K
356K
373K
374K
1516171819202122232425
Routes
6 destinations · 1 countryYear-round5
SLCSalt Lake City International AirportUnited States · Delta Connection746 km464 miSEASeattle–Tacoma International AirportUnited States · Alaska Airlines822 km511 miDENDenver International AirportUnited States · United Express1,003 km623 miLASHarry Reid International AirportUnited States · Allegiant Air1,305 km811 miAZAMesa Gateway AirportUnited States · Allegiant Air1,576 km979 miMost destinationsUnited Express 2Allegiant Air 2Delta Connection 1Alaska Airlines 1United Airlines 1
Straight lines are great circles; rings mark true distance from GTF. Dashed: seasonal or charter. From the Wikipedia article “Great Falls International Airport” (revision of 12 Aug 2026), CC BY-SA 4.0.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
7 channelsA/DAPP/DEP128.600
ATISATIS126.600
GNDGND/CLNC DEL121.700
OPSANG OPS MAINT28.890
RDORDO122.600
TWRTWR118.700
UNICUNICOM122.950