Denver International Airport (DEN)
Denver - Front Range Airport (FTG)
Denver - Rocky Mountain Metropolitan Airport (BJC)
Boulder Municipal Airport (BDU)
Erie Municipal Airport (EIK)
Craig - Moffat County Airport (CAG)
Hayden - Yampa Valley Regional Airport (HDN)
Steamboat Springs - Bob Adams Field (SBS)
Walden - Jackson County Airport (33V)
Northern Colorado Regional Airport (FNL)
Greeley - Weld County Airport (GXY)
Greeley - Easton Valley View Airport (11V)
Fort Morgan Municipal Airport (FMM)
Sterling Municipal Airport (STK)
Julesburg Municipal Airport (7V8)
Haxtun Municipal Airport (17V)
Holyoke Municipal Airport (HEQ)
Hudson - Platte Valley Airpark (18V)
Brush Municipal Airport (7V5)
Akron-Colorado Plains Regional Airport (AKO)
Yuma Municipal Airport (2V6)
Wray - Wray Municipal Airport (2V5)
Longmont - Vance Brand Municipal Airport (LMO)
Granby - Grand County Airport (GNB)
Kremmling - McElroy Field (20V)
Grand Junction Regional Airport (GJT)
Eagle - Eagle County Regional Airport (EGE)
Rifle - Garfield County Regional Airport (RIL)
Glenwood Springs Municipal Airport (GWS)
Denver - Centennial Airport (APA)
Leadville - Lake County Airport (LXV)
Limon Municipal Airport (LIC)
Burlington-Kit Carson County Airport (ITR)
Aspen-Pitkin County Airport (ASE)
Delta - Blake Field (AJZ)
Delta - Westwinds Airpark (D17)
Paonia - North Fork Valley Airport (7V2)
Montrose Regional Airport (MTJ)
Gunnison - Crested Butte Regional Airport (GUC)
Buena Vista - Central Colorado Regional Airport (AEJ)
Salida - Harriet Alexander Airport (ANK)
CO Springs - Meadow Lake Airport (FLY)
Colorado Springs Municipal Airport (COS)
Canon City-Fremont County Airport (1V6)
Pueblo Memorial Airport (PUB)
Lamar Municipal Airport (LAA)
Springfield Municipal Airport (8V7)
Las Animas City & County Airport (7V9)
La Junta Municipal Airport (LHX)
Trinidad - Perry Stokes Airport (TAD)
Walsenburg - Spanish Peaks Airfield (4V1)
La Veta - Cuchara Valley Airport (07V)
Westcliffe - Silver West Airport (C08)
Saguache Municipal Airport (04V)
Center-Leach Airport (1V8)
Del Norte - Astronaut Kent Rominger Airport (RCV)
Monte Vista Municipal Airport (MVI)
Alamosa-San Luis Valley Regional Airport (ALS)
Creede - Mineral County Memorial Airport (C24)
Pagosa Springs - Stevens Field (PSO)
Durango - La Plata County Airport (DRO)
Durango - Animas Airpark (00C)
Cortez - Montezuma County Airport (CEZ)
Telluride Regional Airport (TEX)
Nucla - Hopkins Field (AIB)