MSO

Missoula Montana Airport

ICAO KMSO46.9158°N 114.0911°W3,206 ft / 977 mMedium airport
On the map

Missoula Montana Airport (IATA: MSO, ICAO: KMSO) is a medium airport in Missoula, Montana, United States. It opened in Jul 1941. It has 2 runways; the longest is 9,501 ft (2,896 m). In 2025 it handled 1.0 million passengers.

Timeline

1 event · 1941–1941
JUL 1941
OpenedMissoula Montana Airport opens.
From Wikidata · FAAEvery airfield, 1903–2026

Runways & airfield

Schematic · N · © OpenStreetMap · FAA diagram PDF
12/30130° / 310° · LIT
LENGTH9,501 ft2,896 mWIDTH150 ft46 mSURFACEAsphalt
08/26089° / 269° · LIT
LENGTH4,612 ft1,406 mWIDTH75 ft23 mSURFACEAsphalt

Passengers per year

2015–2025
698K
761K
773K
849K
904K
418K
766K
844K
913K
1.0M
1.0M
1516171819202122232425

Routes

13 destinations · 1 country
500 km1,000 km1,500 km2,000 km500 mi1,000 miSEA · Seattle–Tacoma International Airport · 388 mi / 624 kmPDX · Portland International Airport · 416 mi / 670 kmSLC · Salt Lake City International Airport · 436 mi / 702 kmDEN · Denver International Airport · 678 mi / 1,091 kmLAS · Harry Reid International Airport · 751 mi / 1,208 kmAZA · Mesa Gateway Airport · 949 mi / 1,527 kmMSP · Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field · 1,010 mi / 1,626 kmDFW · Dallas Fort Worth International Airport · 1,319 mi / 2,123 kmORD · Chicago O'Hare International Airport · 1,329 mi / 2,139 kmSFO · San Francisco International Airport · 769 mi / 1,237 kmLAX · Los Angeles International Airport · 925 mi / 1,488 kmSNA · John Wayne Orange County International Airport · 936 mi / 1,506 kmSAN · San Diego International Airport · 994 mi / 1,599 kmORDDFWMSPSANAZASNASFOLASDENSLCPDXSEALAXMSO
Year-round9
SEASeattle–Tacoma International AirportUnited States · Alaska Airlines624 km388 miPDXPortland International AirportUnited States · Alaska Airlines670 km416 miSLCSalt Lake City International AirportUnited States · Delta Connection, Delta Air Lines702 km436 miDENDenver International AirportUnited States · United Express, United Airlines1,091 km678 miLASHarry Reid International AirportUnited States · Allegiant Air1,208 km751 miAZAMesa Gateway AirportUnited States · Allegiant Air1,527 km949 miMSPMinneapolis–Saint Paul International Airport / Wold–Chamberlain FieldUnited States · Delta Air Lines1,626 km1,010 miDFWDallas Fort Worth International AirportUnited States · American Eagle, American Airlines2,123 km1,319 miORDChicago O'Hare International AirportUnited States · American Eagle2,139 km1,329 mi
Most destinationsAlaska Airlines 3Allegiant Air 3American Eagle 3Delta Air Lines 2United Express 2United Airlines 2

Straight lines are great circles; rings mark true distance from MSO. Dashed: seasonal or charter. From the Wikipedia article “Missoula Montana Airport” (revision of 11 Aug 2026), CC BY-SA 4.0.

Records & rankings

Ranked among 48,011 open airports · world · region · country
Passengers1.0M (2025)1 · FEWER1 · FEWERMEDIAN · 64KMEDIAN · 64KMORE · 103MMORE · 103M#803of 3,974 · #197 North America · #140 USLongest runway9,501 ft2,896 m46 m · SHORT150 ft · SHORTMEDIAN · 975 mMEDIAN · 3,200 ftLONG · 5,300 mLONG · 17,388 ft=1,514of 29,823 · =318 North America · =235 USElevation3,206 ft977 m-386 m · LOW-1,266 ft · LOWMEDIAN · 240 mMEDIAN · 787 ftHIGH · 4,938 mHIGH · 16,200 ft#4,971of 43,341 · #2,537 North America · #1,966 USAgeOpened 19412026 · NEWEST2026 · NEWESTMEDIAN · 1976MEDIAN · 1976OLDEST · 1902OLDEST · 1902=1,548of 15,079 · =737 North America · =705 USRunways21 · FEWER1 · FEWERMEDIAN · 1MEDIAN · 1MORE · 8MORE · 8=713of 29,943 · =435 North America · =391 US
Scale: 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 channels
A/DSPOKANE APP/DEP124.900
ATISATIS126.650
CTAFCTAF118.400
GNDGND121.900
RDOGREAT FALLS RDO122.450
TWRTWR118.400
UNICUNICOM122.950