| Afton Municipal (AFO) | Afton | WY | Sheridan County to Afton Municipal |
| Alliance Municipal (AIA) | Alliance | NE | Sheridan County to Alliance Municipal |
| Colorado Plains Regional (AKO) | Akron | CO | Sheridan County to Colorado Plains Regional |
| Ainsworth Regional (ANW) | Ainsworth | NE | Sheridan County to Ainsworth Regional |
| Centennial (APA) | Denver | CO | Sheridan County to Centennial |
| Aspen-Pitkin County/Sardy Field (ASE) | Aspen | CO | Sheridan County to Aspen-Pitkin County/Sardy Field |
| Ashley Municipal (ASY) | Ashley | ND | Sheridan County to Ashley Municipal |
| Western Nebraska Regional/William B Heilig Field (BFF) | Scottsbluff | NE | Sheridan County to Western Nebraska Regional/William B Heilig Field |
| Billings Logan International (BIL) | Billings | MT | Sheridan County to Billings Logan International |
| Bismarck Municipal (BIS) | Bismarck | ND | Sheridan County to Bismarck Municipal |
| Rocky Mountain Metropolitan/Jeffco (BJC) | Denver | CO | Sheridan County to Rocky Mountain Metropolitan/Jeffco |
| Brigham City Regional (BMC) | Brigham City | UT | Sheridan County to Brigham City Regional |
| Miley Memorial Field (Big Piney) (BPI) | Big Piney | WY | Sheridan County to Miley Memorial Field (Big Piney) |
| Skypark (BTF) | Bountiful | UT | Sheridan County to Skypark |
| Bert Mooney (BTM) | Butte | MT | Sheridan County to Bert Mooney |
| Bowman Municipal (BWM) | Bowman | ND | Sheridan County to Bowman Municipal |
| Burley Municipal (BYI) | Burley | ID | Sheridan County to Burley Municipal |
| Bozeman Yellowstone International (BZN) | Bozeman | MT | Sheridan County to Bozeman Yellowstone International |
| Chadron Municipal (CDR) | Chadron | NE | Sheridan County to Chadron Municipal |
| Challis (CHL) | Challis | ID | Sheridan County to Challis |
| Craig-Moffat (CIG) | Craig | CO | Sheridan County to Craig-Moffat |
| Yellowstone Regional (COD) | Cody | WY | Sheridan County to Yellowstone Regional |
| Casper/Natrona County International (CPR) | Casper | WY | Sheridan County to Casper/Natrona County International |
| Cut Bank International (CTB) | Cut Bank | MT | Sheridan County to Cut Bank International |
| Cheyenne Regional/Jerry Olson Field (CYS) | Cheyenne | WY | Sheridan County to Cheyenne Regional/Jerry Olson Field |
| Denver International (DEN) | Denver | CO | Sheridan County to Denver International |
| Converse County (DGW) | Douglas | WY | Sheridan County to Converse County |
| Dickinson Theodore Roosevelt Regional (DIK) | Dickinson | ND | Sheridan County to Dickinson Theodore Roosevelt Regional |
| Dillon (DLN) | Dillon | MT | Sheridan County to Dillon |
| Phifer Airfield (EAN) | Wheatland | WY | Sheridan County to Phifer Airfield |
| Mondell Field (ECS) | Newcastle | WY | Sheridan County to Mondell Field |
| Eagle County Regional (EGE) | Eagle | CO | Sheridan County to Eagle County Regional |
| Kemmerer Municipal (EMM) | Kemmerer | WY | Sheridan County to Kemmerer Municipal |
| Evanston-Uinta County Burns Field (EVW) | Evanston | WY | Sheridan County to Evanston-Uinta County Burns Field |
| Fort Bridger Airport (FBR) | Fort Bridger | WY | Sheridan County to Fort Bridger Airport |
| Foremost (FD4) | Foremost | AB | Sheridan County to Foremost |
| Northern Colorado Regional (FNL) | Ft Collins/Loveland | CO | Sheridan County to Northern Colorado Regional |
| Gillette-Campbell County (GCC) | Gillette | WY | Sheridan County to Gillette-Campbell County |
| Dawson Community (GDV) | Glendive | MT | Sheridan County to Dawson Community |
| South Big Horn County (GEY) | Greybull | WY | Sheridan County to South Big Horn County |
| Wokal Field/Glasgow International (GGW) | Glasgow | MT | Sheridan County to Wokal Field/Glasgow International |
| Grand Junction Regional Walker Field (GJT) | Grand Junction | CO | Sheridan County to Grand Junction Regional Walker Field |
| Gordon Municipal (GRN) | Gordon | NE | Sheridan County to Gordon Municipal |
| Great Falls International (GTF) | Great Falls | MT | Sheridan County to Great Falls International |
| Glenwood Springs Municipal (GWS) | Glenwood Springs | CO | Sheridan County to Glenwood Springs Municipal |
| Greeley-Weld County (GXY) | Greeley | CO | Sheridan County to Greeley-Weld County |
| Hayden Yampa Valley Regional (HDN) | Hayden | CO | Sheridan County to Hayden Yampa Valley Regional |
| Helena Regional (HLN) | Helena | MT | Sheridan County to Helena Regional |
| Havre City-County (HVR) | Havre | MT | Sheridan County to Havre City-County |
| Idaho Falls Regional (IDA) | Idaho Falls | ID | Sheridan County to Idaho Falls Regional |
| Imperial Municipal (IML) | Imperial | NE | Sheridan County to Imperial Municipal |
| Williston/Sloulin Field International (ISN) | Williston | ND | Sheridan County to Williston/Sloulin Field International |
| Jackson Hole (JAC) | Jackson | WY | Sheridan County to Jackson Hole |
| Shaunavon (JC5) | Shaunavon | SK | Sheridan County to Shaunavon |
| Jordan (JDN) | Jordan | MT | Sheridan County to Jordan |
| Weyburn (JE3) | Weyburn | SK | Sheridan County to Weyburn |
| Frontier (JM5) | Frontier | SK | Sheridan County to Frontier |
| Carlyle (JQ3) | Carlyle | SK | Sheridan County to Carlyle |
| Maple Creek (JQ4) | Maple Creek | SK | Sheridan County to Maple Creek |
| Laramie Regional (LAR) | Laramie | WY | Sheridan County to Laramie Regional |
| North Platte Regional/Lee Bird Field (LBF) | North Platte | NE | Sheridan County to North Platte Regional/Lee Bird Field |
| Lemmon Municipal (LEM) | Lemmon | SD | Sheridan County to Lemmon Municipal |
| Logan-Cache (LGU) | Logan | UT | Sheridan County to Logan-Cache |
| Hunt Field (LND) | Lander | WY | Sheridan County to Hunt Field |
| Lusk Municipal (LSK) | Lusk | WY | Sheridan County to Lusk Municipal |
| Mission Field (LVM) | Livingston | MT | Sheridan County to Mission Field |
| Lewistown Municipal (LWT) | Lewistown | MT | Sheridan County to Lewistown Municipal |
| Lake County (LXV) | Leadville | CO | Sheridan County to Lake County |
| Mobridge Municipal (MBG) | Mobridge | SD | Sheridan County to Mobridge Municipal |
| Malad City (MLD) | Malad City | ID | Sheridan County to Malad City |
| Malta (MLK) | Malta | MT | Sheridan County to Malta |
| Frank Wiley Field (MLS) | Miles City | MT | Sheridan County to Frank Wiley Field |
| Minot International (MOT) | Minot | ND | Sheridan County to Minot International |
| Missoula International (MSO) | Missoula | MT | Sheridan County to Missoula International |
| Searle Field (OGA) | Ogallala | NE | Sheridan County to Searle Field |
| Ogden/Hinckley (OGD) | Ogden | UT | Sheridan County to Ogden/Hinckley |
| Garden County (OKS) | Oshkosh | NE | Sheridan County to Garden County |
| L M Clayton (OLF) | Wolf Point | MT | Sheridan County to L M Clayton |
| Philip (PHP) | Philip | SD | Sheridan County to Philip |
| Pocatello Regional (PIH) | Pocatello | ID | Sheridan County to Pocatello Regional |
| Pierre Regional (PIR) | Pierre | SD | Sheridan County to Pierre Regional |
| Powell Municipal (POY) | Powell | WY | Sheridan County to Powell Municipal |
| Provo Municipal (PVU) | Provo | UT | Sheridan County to Provo Municipal |
| Sher-Wood (PWD) | Plentywood | MT | Sheridan County to Sher-Wood |
| Rapid City Regional (RAP) | Rapid City | SD | Sheridan County to Rapid City Regional |
| Garfield County Regional (RIL) | Rifle | CO | Sheridan County to Garfield County Regional |
| Riverton Regional (RIW) | Riverton | WY | Sheridan County to Riverton Regional |
| Rock Springs Sweetwater County (RKS) | Rock Springs | WY | Sheridan County to Rock Springs Sweetwater County |
| Rangely (RNG) | Rangely | CO | Sheridan County to Rangely |
| Roosevelt Municipal (ROL) | Roosevelt | UT | Sheridan County to Roosevelt Municipal |
| Roundup (RPX) | Roundup | MT | Sheridan County to Roundup |
| Rawlins Municipal/Harvey Field (RWL) | Rawlins | WY | Sheridan County to Rawlins Municipal/Harvey Field |
| Rexburg-Madison County (RXE) | Rexburg | ID | Sheridan County to Rexburg-Madison County |
| Shively Field (SAA) | Saratoga | WY | Sheridan County to Shively Field |
| Steamboat Springs/Bob Adams Field (SBS) | Steamboat Springs | CO | Sheridan County to Steamboat Springs/Bob Adams Field |
| Shelby (SBX) | Shelby | MT | Sheridan County to Shelby |
| Sidney-Richland Regional (SDY) | Sidney | MT | Sheridan County to Sidney-Richland Regional |
| Salt Lake City International (SLC) | Salt Lake City | UT | Sheridan County to Salt Lake City International |
| Lemhi County (SMN) | Salmon | ID | Sheridan County to Lemhi County |
| Lloyd W. Carr Field/Sidney Municipal (SNY) | Sidney | NE | Sheridan County to Lloyd W. Carr Field/Sidney Municipal |
| Black Hills-Clyde Ice Field (SPF) | Spearfish | SD | Sheridan County to Black Hills-Clyde Ice Field |
| Sterling Municipal (STK) | Sterling | CO | Sheridan County to Sterling Municipal |
| Friedman Memorial (SUN) | Hailey | ID | Sheridan County to Friedman Memorial |
| Hot Springs County-Thermopolis Municipal (THP) | Thermopolis | WY | Sheridan County to Hot Springs County-Thermopolis Municipal |
| Torrington Municipal (TOR) | Torrington | WY | Sheridan County to Torrington Municipal |
| Vernal Regional (VEL) | Vernal | UT | Sheridan County to Vernal Regional |
| Tioga Municipal (VEX) | Tioga | ND | Sheridan County to Tioga Municipal |
| Miller Field (VTN) | Valentine | NE | Sheridan County to Miller Field |
| Boulder Municipal (WBU) | Boulder | CO | Sheridan County to Boulder Municipal |
| Worland Municipal (WRL) | Worland | WY | Sheridan County to Worland Municipal |
| Yellowstone (WYS) | West Yellowstone | MT | Sheridan County to Yellowstone |
| Pine Ridge (XPR) | Pine Ridge | SD | Sheridan County to Pine Ridge |
| Estevan (YEN) | Estevan | SK | Sheridan County to Estevan |
| Moose Jaw Air Vice Marshal C M Mcewen (YMJ) | Moose Jaw | SK | Sheridan County to Moose Jaw Air Vice Marshal C M Mcewen |
| Medicine Hat (YXH) | Medicine Hat | AB | Sheridan County to Medicine Hat |
| Swift Current (YYN) | Swift Current | SK | Sheridan County to Swift Current |
