A Guide To Airport Codes, Identifiers, and Abbreviations
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Every airport worldwide has a three letter identifier, known as an airport code, designed by the International Air Transport Association (IATA). These are also known as airport abbreviations and if you’ve flown before you have for sure noticed them.
You’ll see these codes anytime you book a flight, or at check in when it is displayed on your ticket and baggage tags.
Why are airport codes important for you to know? Many cities have multiple airports especially if you are flying into places like Paris or London. When booking a flight you’ll need to know the specific airport you want to fly into especially if you are using a travel agent.
The good thing is these codes are easy to remember and you can find a full list of codes below.
US IATA Airport Codes
In the US there are many different airports that are very well known like LAX and JFK. These three letter codes are how we refer to many airports often making it easier to reference than their full names.
However, the US has many more airports that are not as well known and here are the codes you may want to know.
| Airport | City | State | IATA |
|---|---|---|---|
| Aberdeen Regional Airport | Aberdeen | South Dakota | ABR |
| Abilene Regional Airport | Abilene | Texas | ABI |
| Abraham Lincoln Capital Airport | Springfield | Illinois | SPI |
| Akron-Canton Regional Airport | Akron / Canton | Ohio | CAK |
| Albany International Airport | Albany | New York | ALB |
| Albert J. Ellis Airport | Jacksonville | North Carolina | OAJ |
| Albuquerque International Sunport | Albuquerque | New Mexico | ABQ |
| Alexandria International Airport | Alexandria | Louisiana | AEX |
| Alpena County Regional Airport | Alpena | Michigan | APN |
| Aniak Airport | Aniak | Alaska | ANI |
| Antonio B. Won Pat International Airport | Agana / Tamuning | Guam | GUM |
| Antonio Rivera Rodríguez Airport | Vieques | Puerto Rico | VQS |
| Appleton International Airport | Appleton | Wisconsin | ATW |
| Arcata Airport | Arcata / Eureka | California | ACV |
| Arnold Palmer Regional Airport | Latrobe | Pennsylvania | LBE |
| Asheville Regional Airport | Asheville | North Carolina | AVL |
| Aspen-Pitkin County Airport | Aspen | Colorado | ASE |
| Atlantic City International Airport | Atlantic City | New Jersey | ACY |
| Augusta Regional Airport | Augusta | Georgia | AGS |
| Austin-Bergstrom International Airport | Austin | Texas | AUS |
| Baltimore/Washington International Thurgood Marshall Airport | Baltimore / Glen Burnie | Maryland | BWI |
| Bangor International Airport | Bangor | Maine | BGR |
| Barkley Regional Airport | Paducah | Kentucky | PAH |
| Barnstable Municipal Airport | Hyannis | Massachuttces | HYA |
| Baton Rouge Metropolitan Airport | Baton Rouge | Louisiana | BTR |
| Bellingham International Airport | Bellingham | Washington | BLI |
| Bemidji Regional Airport | Bemidji | Minniesota | BJI |
| Benjamín Rivera Noriega Airport | Culebra | Puerto Rico | CPX |
| Bert Mooney Airport | Butte | Montana | BTM |
| Bethel Airport | Bethel | Alaska | BET |
| Bill and Hillary Clinton National Airport | Little Rock | Arkansas | LIT |
| Billings Logan International Airport | Billings | Montana | BIL |
| Birmingham–Shuttlesworth International Airport | Birmingham | Alabama | BHM |
| Bishop International Airport | Flint | Michigan | FNT |
| Bismarck Municipal Airport | Bismarck | North Dakota | BIS |
| Block Island State Airport | Block Island / New Shoreham | Rhode Island | BID |
| Blue Grass Airport | Lexington | Kentucky | LEX |
| Bob Hope Airport | Burbank | California | BUR |
| Boise Airport | Boise | Idaho | BOI |
| Boulder City Municipal Airport | Boulder City | Nevada | BLD |
| Bozeman Yellowstone International Airport | Bozeman | Montana | BZN |
| Bradley International Airport | Hartford | Connecticut | BDL |
| Brainerd Lakes Regional Airport | Brainerd | Minniesota | BRD |
| Brownsville/South Padre Island International Airport | Brownsville | Texas | BRO |
| Brunswick Golden Isles Airport | Brunswick | Georgia | BQK |
| Buffalo Niagara International Airport | Buffalo | New York | BUF |
| Burlington International Airport | Burlington | Vermont | BTV |
| Capital Region International Airport | Lansing | Michigan | LAN |
| Casper/Natrona County International Airport | Casper | Wyoming | CPR |
| Cedar City Regional Airport | Cedar City | Utah | CDC |
| Central Illinois Regional Airport at Bloomington-Normal | Bloomington / Normal | Illinois | BMI |
| Central Nebraska Regional Airport | Grand Island | Nebraska | GRI |
| Central Wisconsin Airport | Mosinee | Wisconsin | CWA |
| Charles M. Schulz–Sonoma County Airport | Santa Rosa | California | STS |
| Charleston International Airport / Charleston AFB | Charleston | South Carolina | CHS |
| Charlotte/Douglas International Airport | Charlotte | North Carolina | CLT |
| Charlottesville–Albemarle Airport | Charlottesville | Virginia | CHO |
| Chattanooga Metropolitan Airport | Chattanooga | Tennessee | CHA |
| Cherry Capital Airport | Traverse City | Michigan | TVC |
| Cheyenne Regional Airport | Cheyenne | Wyoming | CYS |
| Chicago Midway International Airport | Chicago | Illinois | MDW |
| Chicago O'Hare International Airport | Chicago | Illinois | ORD |
| Chicago Rockford International Airport | Rockford | Illinois | RFD |
| Chico Municipal Airport | Chico | California | CIC |
| Chippewa County International Airport | Sault Ste. Marie | Michigan | CIU |
| Chippewa Valley Regional Airport | Eau Claire | Wisconsin | EAU |
| Cincinnati Municipal Lunken Airport | Cincinnati | Ohio | LUK |
| Cincinnati/Northern Kentucky International Airport | Cincinnati / Covington | Kentucky | CVG |
| City of Colorado Springs Municipal Airport | Colorado Springs | Colorado | COS |
| Cleveland-Hopkins International Airport | Cleveland | Ohio | CLE |
| Coastal Carolina Regional Airport | New Bern | North Carolina | EWN |
| Columbia Metropolitan Airport | Columbia | South Carolina | CAE |
| Columbia Regional Airport | Columbia | Missouri | COU |
| Columbus Metropolitan Airport | Columbus | Georgia | CSG |
| Concord Regional Airport | Concord | North Carolina | USA |
| Corpus Christi International Airport | Corpus Christi / Kingsville | Texas | CRP |
| Dallas Love Field | Dallas | Texas | DAL |
| Dallas/Fort Worth International Airport | Dallas-Fort Worth | Texas | DFW |
| Dane County Regional Airport | Madison | Wisconsin | MSN |
| Daniel K. Inouye International Airport | Honolulu , Oahu | Hawaii | HNL |
| Daytona Beach International Airport | Daytona Beach | Florida | DAB |
| Deadhorse Airport | Deadhorse / Prudhoe Bay | Alaska | SCC |
| Del Norte County Airport | Crescent City | California | CEC |
| Delta County Airport | Escanaba | Michigan | ESC |
| Denver International Airport | Denver | Colorado | DEN |
| Des Moines International Airport | Des Moines | Iowa | DSM |
| Destin–Fort Walton Beach Airport / Eglin Air Force Base | Valparaiso | Florida | VPS |
| Detroit Metropolitan Wayne County Airport | Detroit / Romulus | Michigan | DTW |
| Dickinson Theodore Roosevelt Regional Airport | Dickinson | North Dakota | DIK |
| Dillingham Airport | Dillingham | Alaska | DLG |
| Dothan Regional Airport | Dothan | Alabama | DHN |
| Dubuque Regional Airport | Dubuque | Iowa | DBQ |
| Duluth International Airport | Duluth | Minniesota | DLH |
| Durango-La Plata County Airport | Durango | Colorado | DRO |
| Eagle County Regional Airport | Eagle | Colorado | EGE |
| East Texas Regional Airport | Longview | Texas | GGG |
| Easterwood Airport | College Station | Texas | CLL |
| Edward G. Pitka Sr. Airport | Galena | Alaska | GAL |
| El Paso International Airport | El Paso | Texas | ELP |
| Elko Regional Airport | Elko | Nevada | EKO |
| Elmira/Corning Regional Airport | Elmira / Corning | New York | ELM |
| Eppley Airfield | Omaha | Nebraska | OMA |
| Erie International Airport | Erie | Pennsylvania | ERI |
| Eugene Airport | Eugene | Oregon | EUG |
| Evansville Regional Airport | Evansville | Indiana | EVV |
| Fairbanks International Airport | Fairbanks | Alaska | FAI |
| Falls International Airport | International Falls | Minniesota | INL |
| Fayetteville Regional Airport | Fayetteville | North Carolina | FAY |
| Fernando Luis Ribas Dominicci Airport | San Juan / Miramar | Puerto Rico | SIG |
| Flagstaff Pulliam Airport | Flagstaff | Arizona | FLG |
| Florence Regional Airport | Florence | South Carolina | FLO |
| Ford Airport | Iron Mountain / Kingsford | Michigan | IMT |
| Fort Lauderdale–Hollywood International Airport | Fort Lauderdale | Florida | FLL |
| Fort Smith Regional Airport | Fort Smith | Arkansas | FSM |
| Fort Wayne International Airport | Fort Wayne | Indiana | FWA |
| Fresno Yosemite International Airport | Fresno | California | FAT |
| Friday Harbor Airport | Friday Harbor | Washington | FRD |
| Friedman Memorial Airport | Hailey | Idaho | SUN |
| Gainesville Regional Airport | Gainesville | Florida | GNV |
| Garden City Regional Airport | Garden City | Kansas | GCK |
| Gen. Edward Lawrence Logan International Airport | Boston | Massachuttces | BOS |
| General Mitchell International Airport | Milwaukee | Wisconsin | MKE |
| General Wayne A. Downing Peoria International Airport | Peoria | Illinois | PIA |
| George Bush Intercontinental Airport | Houston | Texas | IAH |
| Gerald R. Ford International Airport | Grand Rapids | Michigan | GRR |
| Gillette-Campbell County Airport | Gillette | Wyoming | GCC |
| Glacier Park International Airport | Kalispell | Montana | FCA |
| Golden Triangle Regional Airport | Columbus / West Point / Starkville | Mississippi | GTR |
| Grand Canyon National Park Airport | Grand Canyon / Tusayan | Arizona | GCN |
| Grand Canyon West Airport | Peach Springs | Arizona | GCW |
| Grand Forks International Airport | Grand Forks | North Dakota | GFK |
| Grand Junction Regional Airport | Grand Junction | Colorado | GJT |
| Great Falls International Airport | Great Falls | Montana | GTF |
| Greater Binghamton Airport | Binghamton | New York | BGM |
| Greater Rochester International Airport | Rochester | New York | ROC |
| Green Bay–Austin Straubel International Airport | Green Bay | Wisconsin | GRB |
| Greenbrier Valley Airport | Lewisburg | West Virginia | LWB |
| Greenville-Spartanburg International Airport | Greenville | South Carolina | GSP |
| Gulfport–Biloxi International Airport | Gulfport / Biloxi | Mississippi | GPT |
| Gunnison-Crested Butte Regional Airport | Gunnison | Colorado | GUC |
| Hagerstown Regional Airport | Hagerstown | Maryland | HGR |
| Harrisburg International Airport | Harrisburg / Middletown | Pennsylvania | MDT |
| Hartsfield–Jackson Atlanta International Airport | Atlanta | Georgia | ATL |
| Hector International Airport | Fargo | North Dakota | FAR |
| Helena Regional Airport | Helena | Montana | HLN |
| Hilo International Airport | Hilo , Hawaii | Hawaii | ITO |
| Hilton Head Airport | Hilton Head Island | South Carolina | HHH |
| Homer Airport | Homer | Alaska | HOM |
| Houghton County Memorial Airport | Hancock / Calumet | Michigan | CMX |
| Huntsville International Airport | Huntsville | Alabama | HSV |
| Idaho Falls Regional Airport | Idaho Falls | Idaho | IDA |
| Indianapolis International Airport | Indianapolis | Indiana | IND |
| Ithaca Tompkins Regional Airport | Ithaca | New York | ITH |
| Jack Brooks Regional Airport | Beaumont / Port Arthur | Texas | BPT |
| Jackson Hole Airport | Jackson | Wyoming | JAC |
| Jackson–Evers International Airport | Jackson | Mississippi | JAN |
| Jacksonville International Airport | Jacksonville | Florida | JAX |
| James M. Cox Dayton International Airport | Dayton | Ohio | DAY |
| John F. Kennedy International Airport | New York | New York | JFK |
| John Glenn Columbus International Airport | Columbus | Ohio | CMH |
| John Wayne Airport | Santa Ana | California | SNA |
| Joplin Regional Airport | Joplin | Missouri | JLN |
| José Aponte de la Torre Airport | Ceiba | Puerto Rico | NRR |
| Juneau International Airport | Juneau | Alaska | JNU |
| Kahului Airport | Kahului , Maui | Hawaii | OGG |
| Kalamazoo/Battle Creek International Airport | Kalamazoo / Battle Creek | Michigan | AZO |
| Kansas City International Airport | Kansas City | Missouri | MCI |
| Kenai Municipal Airport | Kenai | Alaska | ENA |
| Ketchikan International Airport | Ketchikan | Alaska | KTN |
| Key West International Airport | Key West | Florida | EYW |
| Killeen-Fort Hood Regional Airport / Robert Gray Army Airfield | Fort Hood / Killeen / Temple | Texas | GRK |
| King County International Airport | Seattle | Washington | BFI |
| King Salmon Airport | King Salmon | Alaska | AKN |
| Knox County Regional Airport | Rockland | Maine | RKD |
| Kodiak Airport | Kodiak | Alaska | ADQ |
| Kona International Airport at Keahole | Kailua-Kona , Hawaii | Hawaii | KOA |
| La Crosse Regional Airport | La Crosse | Wisconsin | LSE |
| Lafayette Regional Airport | Lafayette | Louisiana | LFT |
| LaGuardia Airport | New York | New York | LGA |
| Lake Charles Regional Airport | Lake Charles | Louisiana | LCH |
| Lake Hood Seaplane Base | Anchorage | Alaska | |
| Lanai Airport | Lanai City , Lanai | Hawaii | LNY |
| Laredo International Airport | Laredo | Texas | LRD |
| Laughlin/Bullhead International Airport | Bullhead City | Arizona | IFP |
| Lawton–Fort Sill Regional Airport | Lawton | Oklahoma | LAW |
| Lea County Regional Airport | Hobbs | New Mexico | HOB |
| Lebanon Municipal Airport | Lebanon | New Hampshire | LEB |
| Lehigh Valley International Airport | Allentown | Pennsylvania | ABE |
| Lewiston-Nez Perce County Airport | Lewiston | Idaho | LWS |
| Lihue Airport | Lihue , Kauai | Hawaii | LIH |
| Lincoln Airport | Lincoln | Nebraska | LNK |
| Boston Logan International Airport | |||
| Long Beach Airport | Long Beach | California | LGB |
| Long Island MacArthur Airport | Islip | New York | ISP |
| Los Angeles International Airport | Los Angeles | California | LAX |
| Louis Armstrong New Orleans International Airport | New Orleans | Louisiana | MSY |
| Louisville International Airport | Louisville | Kentucky | SDF |
| Lubbock Preston Smith International Airport | Lubbock | Texas | LBB |
| Luis Muñoz Marín International Airport | San Juan / Carolina | Puerto Rico | SJU |
| Lynchburg Regional Airport | Lynchburg | Virginia | LYH |
| Magic Valley Regional Airport | Twin Falls | Idaho | TWF |
| Mammoth Yosemite Airport | Mammoth Lakes | California | MMH |
| Manchester–Boston Regional Airport | Manchester | New Hampshire | MHT |
| Manhattan Regional Airport | Manhattan | Kansas | MHK |
| Martha's Vineyard Airport | Vineyard Haven | Massachuttces | MVY |
| MBS International Airport | Saginaw | Michigan | MBS |
| McAllen Miller International Airport | McAllen | Texas | MFE |
| McCarran International Airport | Las Vegas | Nevada | LAS |
| McClellan–Palomar Airport | Carlsbad | California | CRQ |
| McGhee Tyson Airport | Knoxville | Tennessee | TYS |
| Meadows Field | Bakersfield | California | BFL |
| Melbourne International Airport | Melbourne | Florida | MLB |
| Memphis International Airport | Memphis | Tennessee | MEM |
| Mercedita International Airport | Ponce | Puerto Rico | PSE |
| Merle K. Smith Airport | Cordova | Alaska | CDV |
| Merrill Field | Anchorage | Alaska | MRI |
| Miami International Airport | Miami | Florida | MIA |
| MidAmerica St. Louis Airport / Scott Air Force Base | Belleville | Illinois | BLV |
| Midland International Airport | Midland | Texas | MAF |
| Minneapolis–St. Paul International Airport | Minneapolis | Minniesota | MSP |
| Minot International Airport | Minot | North Dakota | MOT |
| Missoula International Airport | Missoula | Montana | MSO |
| Mobile Regional Airport | Mobile | Alabama | MOB |
| Molokai Airport | Kaunakakai , Molokai | Hawaii | MKK |
| Monroe Regional Airport | Monroe | Louisiana | MLU |
| Monterey Regional Airport | Monterey | California | MRY |
| Montgomery Regional Airport | Montgomery | Alabama | MGM |
| Montrose Regional Airport | Montrose | Colorado | MTJ |
| Morgantown Municipal Airport | Morgantown | West Virginia | MGW |
| Muskegon County Airport | Muskegon | Michigan | MKG |
| Myrtle Beach International Airport | Myrtle Beach | South Carolina | MYR |
| Nantucket Memorial Airport | Nantucket | Massachuttces | ACK |
| Nashville International Airport | Nashville | Tennessee | BNA |
| Newark Liberty International Airport | Newark | New Jersey | EWR |
| Newport News/Williamsburg International Airport | Newport News | Virginia | PHF |
| Niagara Falls International Airport | Niagara Falls | New York | IAG |
| Nome Airport | Nome | Alaska | OME |
| Norfolk International Airport | Norfolk | Virginia | ORF |
| Norman Y. Mineta San José International Airport | San Jose | California | SJC |
| North Central West Virginia Airport | Clarksburg | West Virginia | CKB |
| North Las Vegas Airport | Las Vegas / North Las Vegas | Nevada | VGT |
| Northeast Florida Regional Airport | St. Augustine | Florida | UST |
| Northern Maine Regional Airport at Presque Isle | Presque Isle | Maine | PQI |
| Northwest Arkansas Regional Airport | Fayetteville | Arkansas | XNA |
| Northwest Florida Beaches International Airport | Panama City Beach | Florida | ECP |
| Oakland International Airport | Oakland | California | OAK |
| Ogden-Hinckley Airport | Ogden | Utah | OGD |
| Ontario International Airport | Ontario | California | ONT |
| Orlando International Airport | Orlando | Florida | MCO |
| Orlando Sanford International Airport | Orlando / Sanford | Florida | SFB |
| Owensboro-Daviess County Regional Airport | Owensboro | Kentucky | OWB |
| Page Municipal Airport | Page | Arizona | PGA |
| Palm Beach International Airport | West Palm Beach | Florida | PBI |
| Palm Springs International Airport | Palm Springs | California | PSP |
| Pangborn Memorial Airport | Wenatchee | Washington | EAT |
| Pellston Regional Airport of Emmet County | Pellston | Michigan | PLN |
| Pensacola International Airport | Pensacola | Florida | PNS |
| Petersburg James A. Johnson Airport | Petersburg | Alaska | PSG |
| Philadelphia International Airport | Philadelphia | Pennsylvania | PHL |
| Phoenix Sky Harbor International Airport | Phoenix | Arizona | PHX |
| Phoenix–Mesa Gateway Airport | Mesa | Arizona | AZA |
| Piedmont Triad International Airport | Greensboro | North Carolina | GSO |
| Pitt-Greenville Airport | Greenville | North Carolina | PGV |
| Pittsburgh International Airport | Pittsburgh | Pennsylvania | PIT |
| Plattsburgh International Airport | Plattsburgh | New York | PBG |
| Pocatello Regional Airport | Pocatello / Arbon Valley | Idaho | PIH |
| Portland International Airport | Portland | Oregon | PDX |
| Portland International Jetport | Portland | Maine | PWM |
| Portsmouth International Airport at Pease | Portsmouth | New Hampshire | PSM |
| Provincetown Municipal Airport | Provincetown | Massachuttces | PVC |
| Provo Municipal Airport | Provo | Utah | PVU |
| Pullman/Moscow Regional Airport | Pullman / Moscow, Idaho | Washington | PUW |
| Punta Gorda Airport | Punta Gorda | Florida | PGD |
| Quad City International Airport | Moline | Illinois | MLI |
| Quincy Regional Airport | Quincy | Illinois | UIN |
| Rafael Hernández International Airport | Aguadilla | Puerto Rico | BQN |
| Raleigh-Durham International Airport | Raleigh | North Carolina | RDU |
| Ralph Wien Memorial Airport | Kotzebue | Alaska | OTZ |
| Range Regional Airport | Hibbing | Minniesota | HIB |
| Rapid City Regional Airport | Rapid City | South Dakota | RAP |
| Redding Municipal Airport | Redding | California | RDD |
| Redmond Municipal Airport | Redmond | Oregon | RDM |
| Reno/Tahoe International Airport | Reno | Nevada | RNO |
| Republic Airport | Farmingdale | New York | FRG |
| Rhinelander-Oneida County Airport | Rhinelander | Wisconsin | RHI |
| Richmond International Airport | Richmond | Virginia | RIC |
| Rick Husband Amarillo International Airport | Amarillo | Texas | AMA |
| Rickenbacker International Airport | Columbus | Ohio | LCK |
| Riverton Regional Airport | Riverton | Wyoming | RIW |
| Roanoke Regional Airport | Roanoke | Virginia | ROA |
| Rochester International Airport | Rochester | Minniesota | RST |
| Rogue Valley International-Medford Airport | Medford | Oregon | MFR |
| Ronald Reagan Washington National Airport | Washington, D.C. / Arlington County | Virginia | DCA |
| Roswell International Air Center | Roswell | New Mexico | ROW |
| Sacramento International Airport | Sacramento | California | SMF |
| Salisbury-Ocean City Wicomico Regional Airport | Salisbury | Maryland | SBY |
| Salt Lake City International Airport | Salt Lake City | Utah | SLC |
| San Angelo Regional Airport | San Angelo | Texas | SJT |
| San Antonio International Airport | San Antonio | Texas | SAT |
| San Diego International Airport | San Diego | California | SAN |
| San Francisco International Airport | San Francisco | California | SFO |
| San Luis Obispo County Regional Airport | San Luis Obispo | California | SBP |
| Santa Barbara Municipal Airport | Santa Barbara | California | SBA |
| Santa Fe Regional Airport | Santa Fe | New Mexico | SAF |
| Santa Maria Public Airport | Santa Maria | California | SMX |
| Sarasota–Bradenton International Airport | Sarasota / Bradenton | Florida | SRQ |
| Savannah/Hilton Head International Airport | Savannah | Georgia | SAV |
| Sawyer International Airport | Marquette / Gwinn | Michigan | MQT |
| Seattle–Tacoma International Airport | Seattle / Tacoma ( SeaTac ) | Washington | SEA |
| Sheridan County Airport | Sheridan | Wyoming | SHR |
| Shreveport Regional Airport | Shreveport | Louisiana | SHV |
| Sidney–Richland Municipal Airport | Sidney | Montana | SDY |
| Sioux Falls Regional Airport | Sioux Falls | South Dakota | FSD |
| Sioux Gateway Airport | Sioux City | Iowa | SUX |
| Sitka Rocky Gutierrez Airport | Sitka | Alaska | SIT |
| Sloulin Field International Airport | Williston | North Dakota | ISN |
| South Bend International Airport | South Bend | Indiana | SBN |
| Southwest Florida International Airport | Fort Myers | Florida | RSW |
| Southwest Georgia Regional Airport | Albany | Georgia | ABY |
| Southwest Oregon Regional Airport | North Bend | Oregon | OTH |
| Southwest Wyoming Regional Airport | Rock Springs | Wyoming | RKS |
| Spokane International Airport | Spokane | Washington | GEG |
| Springfield-Branson National Airport | Springfield | Missouri | SGF |
| St. Cloud Regional Airport | St. Cloud | Minniesota | STC |
| St. George Regional Airport | St. George | Utah | SGU |
| St. Louis Lambert International Airport | St. Louis | Missouri | STL |
| St. Mary's Airport | St. Mary's | Alaska | KSM |
| St. Pete–Clearwater International Airport | St. Petersburg / Clearwater | Florida | PIE |
| Stewart International Airport | Newburgh | New York | SWF |
| Stockton Metropolitan Airport | Stockton | California | SCK |
| Syracuse Hancock International Airport | Syracuse | New York | SYR |
| Tallahassee International Airport | Tallahassee | Florida | TLH |
| Tampa International Airport | Tampa | Florida | TPA |
| Ted Stevens Anchorage International Airport | Anchorage | Alaska | ANC |
| Texarkana Regional Airport | Texarkana | Arkansas | TXK |
| The Eastern Iowa Airport | Cedar Rapids | Iowa | CID |
| Theodore Francis Green State Airport | Providence / Warwick | Rhode Island | PVD |
| Toledo Express Airport | Toledo | Ohio | TOL |
| Topeka Regional Airport | Topeka | Kansas | FOE |
| Trenton Mercer Airport | Trenton | New Jersey | TTN |
| Tri-Cities Airport | Pasco | Washington | PSC |
| Tri-Cities Regional Airport | Bristol / Johnson City / Kingsport | Tennessee | TRI |
| Tri-State Airport | Huntington | West Virginia | HTS |
| Tucson International Airport | Tucson | Arizona | TUS |
| Tulsa International Airport | Tulsa | Oklahoma | TUL |
| Tweed New Haven Regional Airport | New Haven | Connecticut | HVN |
| Tyler Pounds Regional Airport | Tyler | Texas | TYR |
| Unalakleet Airport | Unalakleet | Alaska | UNK |
| Unalaska Airport | Unalaska | Alaska | DUT |
| University of Illinois - Willard Airport | Champaign / Urbana | Illinois | CMI |
| University Park Airport | State College | Pennsylvania | SCE |
| Valdez Airport | Valdez | Alaska | VDZ |
| Valdosta Regional Airport | Valdosta | Georgia | VLD |
| Valley International Airport | Harlingen | Texas | HRL |
| Waco Regional Airport | Waco | Texas | ACT |
| Walla Walla Regional Airport | Walla Walla | Washington | ALW |
| Washington Dulles International Airport | Washington, D.C. / Dulles / Chantilly | Virginia | IAD |
| Waterloo Regional Airport | Waterloo | Iowa | ALO |
| Watertown International Airport | Watertown | New York | ART |
| Westchester County Airport | White Plains | New York | HPN |
| Westerly State Airport | Westerly | Rhode Island | WST |
| Wichita Dwight D. Eisenhower National Airport | Wichita | Kansas | ICT |
| Wichita Falls Municipal Airport / Sheppard Air Force Base | Wichita Falls | Texas | SPS |
| Wiley Post–Will Rogers Memorial Airport | Barrow | Alaska | BRW |
| Wilkes-Barre/Scranton International Airport | Wilkes-Barre / Scranton | Pennsylvania | AVP |
| Will Rogers World Airport | Oklahoma City | Oklahoma | OKC |
| William P. Hobby Airport | Houston | Texas | HOU |
| William R. Fairchild International Airport | Port Angeles | Washington | CLM |
| Williamson County Regional Airport | Marion | Illinois | MWA |
| Williamsport Regional Airport | Williamsport | Pennsylvania | IPT |
| Wilmington Airport | Wilmington | Delaware | ILG |
| Wilmington International Airport | Wilmington | North Carolina | ILM |
| Worcester Regional Airport | Worcester | Massachuttces | ORH |
| Wrangell Airport | Wrangell | Alaska | WRG |
| Yakima Air Terminal | Yakima | Washington | YKM |
| Yakutat Airport | Yakutat | Alaska | YAK |
| Yampa Valley Airport | Hayden | Colorado | HDN |
| Yeager Airport | Charleston | West Virginia | CRW |
| Yellowstone Regional Airport | Cody | Wyoming | COD |
| Youngstown-Warren Regional Airport | Youngstown / Warren | Ohio | YNG |
| Yuma International Airport | Yuma | Arizona | YUM |
Summary & Takeaways
Airport codes are a good thing for you to keep in mind especially when booking flights. We’ve heard of mix ups where people confuse cities or don’t realize where they are actually flying into.
It becomes especially important if you are flying into a city with multiple airports so make sure to always check that three letter code on your next ticket.
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