| IATA – ABE | Allentown | PA [Allentown-Bethlehem-Easton Airport] | USA |
| IATA – ALB | Albany | NY [Albany County Airport] | USA |
| IATA – AMA | Amarillo | TX [Amarillo International Airport] | USA |
| IATA – AMS | Amsterdam [Schiphol] | – | Netherlands |
| IATA – ATL | Atlanta | GA [The William B. Hartsfield Atlanta International Airport] | USA |
| IATA – AUS | Austin | TX [Robert Mueller Municipal Airport] | USA |
| IATA – BDL | Hartford/Springfield (Windsor Locks) | CT [Bradley International Airport] | USA |
| IATA – BFS | Belfast | Northern Ireland [Aldergrove International] | United Kingdom |
| IATA – BGM | Binghamton | NY [Binghamton Regional Airport/Edwin A. Link Field] | USA |
| IATA – BGY | Bergamo | – | Italy |
| IATA – BHD | Belfast | Northern Ireland [Harbour Airport] | United Kingdom |
| IATA – BHM | Birmingham | AL [Birmingham International Airport] | USA |
| IATA – BHX | Birmingham | England | United Kingdom |
| IATA – BJS | Beijing (Peking) | – | China |
| IATA – BKK | Bangkok [Don Muang International Airport] | – | Thailand |
| IATA – BLL | Billund | – | Denmark |
| IATA – BNA | Nashville | TN [Nashville International Airport] | USA |
| IATA – BOI | Boise | ID [Boise Air Terminal (Gowen Field)] | USA |
| IATA – BOM | Bombay [Sahar (Santa Cruz) International Airport] | – | India |
| IATA – BOS | Boston | MA [General Edward Lawrence Logan International Airport] | USA |
| IATA – BQN | Aguadilla [Aeropuerto Rafael Hernandez (Borinquen)] | – | Puerto Rico |
| IATA – BRO | Brownsville | TX [Brownsville/South Padre Island International Airport] | USA |
| IATA – BRS | Bristol | England [Lulsgate] | United Kingdom |
| IATA – BRU | Brussels (Bruxelles) [National/Zaventem] | – | Belgium |
| IATA – BTV | Burlington | VT [Burlington International Airport] | USA |
| IATA – BUD | Budapest [Ferihegyi] | – | Hungary |
| IATA – BUF | Buffalo | NY [Greater Buffalo International Airport] | USA |
| IATA – BWI | Baltimore | MD [Baltimore/Washington International Airport] | USA |
| IATA – CAE | Columbia | SC [Columbia Metropolitan Airport] | USA |
| IATA – CAI | Cairo [Cairo International Airport] | – | Egypt |
| IATA – CAK | Akron | OH [Akron-Canton Regional Airport] | USA |
| IATA – CAN | Guangzhou (Canton) [Baiyun] | – | China |
| IATA – CDG | Paris [Charles de Gaulle] | – | France |
| IATA – CEB | Cebu | – | Philippines |
| IATA – CGN | Koeln | (KolnCologne)/Bonn [Konrad Adenauer] | Germany |
| IATA – CHA | Chattanooga | TN [Lovell Field] | USA |
| IATA – CHI | Chicago | IL [Metropolitan Area] | USA |
| IATA – CHS | Charleston | SC [Charleston Air Force Base/Charleston International Airport] | USA |
| IATA – CID | Cedar Rapids | IA [Cedar Rapids Municipal Airport] | USA |
| IATA – CKS | Carajas | PA | Brazil |
| IATA – CLE | Cleveland | OH [Cleveland-Hopkins International Airport] | USA |
| IATA – CLT | Charlotte | NC [Charlotte/Douglas International Airport] | USA |
| IATA – CMH | Columbus | OH [Port Columbus International Airport] | USA |
| IATA – COS | Colorado Springs | CO [City of Colorado Springs Municipal Airport] | USA |
| IATA – CRP | Corpus Christi | TX [Corpus Christi International Airport] | USA |
| IATA – CVG | Covington KY/Cincinnati | OH [Cincinatti/Northern Kentucky International Airport] | USA |
| IATA – DAY | Dayton | OH [James M. Cox Dayton International Airport] | USA |
| IATA – DEN | Denver | CO [Stapleton International Airport] | USA |
| IATA – DFW | Dallas/Fort Worth | TX [Dallas/Fort Worth International Airport] | USA |
| IATA – DLC | Dalian | – | China |
| IATA – DSM | Des Moines | IA [Des Moines International Airport] | USA |
| IATA – DTW | Detroit | MI [Detroit Metropolitan Wayne County Airport] | USA |
| IATA – DUB | Dublin | – | Ireland |
| IATA – DUS | Duesseldorf (Dusseldorf) [Rhein-Ruhr] | – | Germany |
| IATA – DXX | Madison | MN [Madison-Lac Qui Parle County Airport] | USA |
| IATA – EDI | Edinburgh | Scotland | United Kingdom |
| IATA – EIN | Eindhoven | – | Netherlands |
| IATA – ELM | Elmira | NY [Elmira/Corning Regional Airport] | USA |
| IATA – ELP | El Paso | TX [El Paso International Airport] | USA |
| IATA – EMA | East Midlands (Derby) | – | United Kingdom |
| IATA – EMA | East Midlands (Derby) | – | United Kingdom |
| IATA – ERI | Erie | PA [Erie International Airport] | USA |
| IATA – EVV | Evansville | IN [Evansville Regional Airport] | USA |
| IATA – EWR | Newark | NJ [Newark International Airport] | USA |
| IATA – FAR | Fargo | ND [Hector International Airport] | USA |
| IATA – FAT | Fresno | CA [Fresno Air Terminal] | USA |
| IATA – FAY | Fayetteville | NC [Fayetteville Regional Airport/Grannis Field] | USA |
| IATA – FCO | Roma (Rome) [Leonardo da Vinci/Fiumicino] | – | Italy |
| IATA – FLL | Fort Lauderdale | FL [Fort Lauderdale/Hollywood International Airport] | USA |
| IATA – FLO | Florence | SC [Florence Regional Airport] | USA |
| IATA – FLR | Firenze (Florence) [Peretola] | – | Italy |
| IATA – FMY | Fort Myers | FL [Page Field] | USA |
| IATA – FNT | Flint | MI [Bishop International Airport] | USA |
| IATA – FRA | Frankfurt [Rhein-Main] | – | Germany |
| IATA – FWA | Fort Wayne | IN [Fort Wayne International Airport] | USA |
| IATA – FYV | Fayetteville | AR [Drake Field] | USA |
| IATA – GDL | Guadalajara [Miguel Hidalgo y Costilla] | – | Mexico |
| IATA – GEG | Spokane | WA [Spokane International Airport] | USA |
| IATA – GLA | Glasgow | Scotland [Abbotsichn] | United Kingdom |
| IATA – GLN | Goulimime | – | Morocco |
| IATA – GOT | Goteborg (Gothenburg) [Landvetter] | – | Sweden |
| IATA – GRB | Green Bay | WI [Austin Straubel International Airport] | USA |
| IATA – GRR | Grand Rapids | MI [Kent County International Airport] | USA |
| IATA – GRU | Sao Paulo | SP [Aeroporto Internacional Guarulhos] | Brazil |
| IATA – GRZ | Graz [Thalerhof] | – | Austria |
| IATA – GSO | Greensboro/High Point | NC [Piedmont Triad International Airport] | USA |
| IATA – GSP | Greenville/Spartanburg (Greer) | SC [Greenville-Spartanburg Airport] | USA |
| IATA – GVA | Geneva [Geneve-Cointrin] | – | Switzerland |
| IATA – HAJ | Hannover [Langenhagen] | – | Germany |
| IATA – HAM | Hamburg [Fuhlsbuttel] | – | Germany |
| IATA – HEL | Helsinki [Vantaa] | – | Finland |
| IATA – HGR | Hagerstown | MD [Washington County Regional Airport] | USA |
| IATA – HKG | Hong Kong [Kai-Tak International Airport] | – | Hong Kong |
| IATA – HKT | Phuket | – | Thailand |
| IATA – HKY | Hickory | NC [Hickory Regional Airport] | USA |
| IATA – HOU | Houston | TX [William P. Hobby Airport] | USA |
| IATA – HSV | Huntsville/Decatur | AL [Huntsville International Airport-Carl T. Jones Field] | USA |
| IATA – HYD | Hyderabad | – | India |
| IATA – IAD | Washington | DC [Washington Dulles International Airport] | USA |
| IATA – IAH | Houston | TX [Houston Intercontinental Airport] | USA |
| IATA – ICN | Incheon | Seoul | Korea |
| IATA – ICT | Wichita | KS [Wichita Mid-Continent Airport] | USA |
| IATA – ILM | Wilmington | NC [New Hanover International Airport] | USA |
| IATA – IND | Indianapolis | IN [Indianapolis International Airport] | USA |
| IATA – IPH | Ipoh | – | Malaysia |
| IATA – IPH | Ipoh | – | Malaysia |
| IATA – JAN | Jackson | MS [Jackson International Airport] | USA |
| IATA – JAX | Jacksonville | FL [Jacksonville International Airport] | USA |
| IATA – JED | Jeddah [King Abdul Aziz Airport] | – | Saudi Arabia |
| IATA – JFK | New York | NY [John F. Kennedy International Airport] | USA |
| IATA – JHB | Johor Bahru | – | Malaysia |
| IATA – JKT | Jakarta [Metropolitan Area] | – | Indonesia |
| IATA – JYV | Jyvaskyla (Jyvaeskylae) | – | Finland |
| IATA – KCH | Kuching | East | Malaysia |
| IATA – KHH | Kaohsiung [International] | – | Taiwan |
| IATA – KUL | Kuala Lumpur | Peninsular [Subang] | Malaysia |
| IATA – LAS | Las Vegas | NV [McCarran International Airport] | USA |
| IATA – LAX | Los Angeles | CA [Los Angeles International Airport] | USA |
| IATA – LBA | Leeds/Bradford | – | United Kingdom |
| IATA – LBB | Lubbock | TX [Lubbock International Airport] | USA |
| IATA – LCH | Lake Charles | LA [Lake Charles Regional Airport] | USA |
| IATA – LEX | Lexington | KY [Blue Grass Airport] | USA |
| IATA – LHR | London | England [Heathrow Airport] | United Kingdom |
| IATA – LIT | Little Rock | AR [Adams Field] | USA |
| IATA – LJU | Ljubljana [Brnik] | – | Slovenia |
| IATA – LNZ | Linz [Horsching] | – | Austria |
| IATA – LON | London | England [Metropolitan Area] | United Kingdom |
| IATA – LRD | Laredo | TX [Laredo International Airport] | USA |
| IATA – LTN | London | England [Luton Airport] | United Kingdom |
| IATA – LUG | Lugano [Agno] | – | Switzerland |
| IATA – LYS | Lyon [Satolas] | – | France |
| IATA – MAD | Madrid [Barajas] | – | Spain |
| IATA – MAN | Manchester | England [Ringway International Airport] | United Kingdom |
| IATA – MCI | Kansas City | MO [Kansas City International Airport] | USA |
| IATA – MDT | Harrisburg (Middletown) | PA [Harrisburg International Airport] | USA |
| IATA – MDT | Harrisburg (Middletown) | PA [Harrisburg International Airport] | USA |
| IATA – MDW | Chicago | IL [Chicago Midway Airport] | USA |
| IATA – MEB | Melbourne | Victoria [Essendon Airport] | Australia |
| IATA – MEM | Memphis | TN [Memphis International Airport] | USA |
| IATA – MEX | Ciudad de Mexico (Mexico City) [Aeropuerto Internacional Benito Juarez] | – | Mexico |
| IATA – MFM | Macau | – | (control station Hong Kong) |
| IATA – MHT | Manchester | NH [Manchester Airport] | USA |
| IATA – MIA | Miami | FL [Miami International Airport] | USA |
| IATA – MIL | Milano (Milan) [Metropolitan Area] | – | Italy |
| IATA – MKC | Kansas City | MO [Kansas City Downtown Airport] | USA |
| IATA – MKE | Milwaukee | WI [General Mitchell International Airport] | USA |
| IATA – MLA | Malta [Luqa] | – | Malta |
| IATA – MLI | Moline | IL [Quad-City Airport] | USA |
| IATA – MMA | Malmo | – | Sweden |
| IATA – MME | Tees Side | – | United Kingdom |
| IATA – MMM | Middlemount | Queensland | Australia |
| IATA – MNL | Manila [Ninoy Aquino International Airport] | – | Philippines |
| IATA – MOB | Mobile | AL [Bates Field] | USA |
| IATA – MSN | Madison | WI [Dane County Regional Airport-Truax Field] | USA |
| IATA – MSP | Minneapolis/St. Paul | MN [Minneapolis-St. Paul International (Wold-Chamberlain) Airport] | USA |
| IATA – MST | Maastricht [Zuid-Limburg] | – | Netherlands |
| IATA – MSY | New Orleans | LA [New Orleans International Airport (Moisant Field)] | USA |
| IATA – MTY | Monterrey [Aeropuerto General Mariano Escobedo] | – | Mexico |
| IATA – MUC | Muenchen (Munchen | Munich) [Franz Josef Strauss] | Germany |
| IATA – MXP | Milano (Milan) [Malpensa] | – | Italy |
| IATA – NCE | Nice [Cote d’Azur] | – | France |
| IATA – NCL | Newcastle | – | United Kingdom |
| IATA – NED | Unique Code for Amsterdam | – | Netherlands |
| IATA – NGO | Nagoya | Honshu [Komaki] | Japan |
| IATA – NLI | Secondary Code for Amsterdam | – | Netherlands |
| IATA – NOG | Nogales | – | Mexico |
| IATA – NRT | Tokyo [Narita] | – | Japan |
| IATA – NTE | Nantes [Chateau Bougon] | – | France |
| IATA – NUE | Nuernberg (Nurnberg | Nuremburg) | Germany |
| IATA – NYC | New York | NY [Metropolitan Area] | USA |
| IATA – OAK | Oakland | CA [Metropolitan Oakland International Airport] | USA |
| IATA – OKC | Oklahoma City | OK [Will Rogers World Airport] | USA |
| IATA – OMA | Omaha | NE [Eppley Airfield] | USA |
| IATA – ONT | Ontario | CA [Ontario International Airport] | USA |
| IATA – ORD | Chicago | IL [Chicago-O’Hare International Airport] | USA |
| IATA – ORF | Norfolk/Virginia Beach/Williamsburg | VA [Norfolk International Airport] | USA |
| IATA – ORK | Cork | – | Ireland |
| IATA – ORL | Orlando | FL [Executive Airport] | USA |
| IATA – OSA | Osaka [Metropolitan Area] | – | Japan |
| IATA – PAL | Palanquero | – | Colombia |
| IATA – PAR | Paris [Metropolian Area] | – | France |
| IATA – PDX | Portland | OR [Portland International Airport] | USA |
| IATA – PEK | Beijing (Peking) [Capital] | – | China |
| IATA – PEN | Penang | Peninsular [International] | Malaysia |
| IATA – PHL | Philadelphia | PA [Philadelphia International Airport] | USA |
| IATA – PHX | Phoenix | AZ [Phoenix Sky Harbor International Airport] | USA |
| IATA – PIT | Pittsburgh | PA [Pittsburgh International Airport] | USA |
| IATA – POU | Poughkeepsie | NY [Dutchess County Airport] | USA |
| IATA – POU | Poughkeepsie | NY [Dutchess County Airport] | USA |
| IATA – PRG | Leťiště Praha (Prague) [Ruzyně] | – | Czech Republic |
| IATA – PSM | Portsmouth | NH [Pease Air National Guard Base] | USA |
| IATA – PSM | Portsmouth | NH [Pease Air National Guard Base] | USA |
| IATA – PTY | Panama City [General Omar Torrijos Herrara] | – | Panama |
| IATA – PVD | Providence | RI [Theodore Francis Green State Airport] | USA |
| IATA – PVG | Portsmouth | VA [Hampton Roads Airport] | USA |
| IATA – PWM | Portland | ME [Portland International Jetport] | USA |
| IATA – QGL | St.Gallen | – | Switzerland |
| IATA – RDU | Raleigh-Durham | NC [Raleigh-Durham International Airport] | USA |
| IATA – RFD | Rockford | IL [Greater Rockford Airport] | USA |
| IATA – RIC | Richmond | VA [Richmond International Airport] | USA |
| IATA – RNO | Reno | NV [Reno Cannon International Airport] | USA |
| IATA – ROA | Roanoke | VA [Roanoke Regional Airport/Woodrum Field] | USA |
| IATA – ROC | Rochester | NY [Greater Rochester International Airport] | USA |
| IATA – ROM | Roma (Rome) [Metropolitan Area] | – | Italy |
| IATA – RTM | Rotterdam | – | Netherlands |
| IATA – SAC | Sacramento | CA [Sacramento Executive Airport] | USA |
| IATA – SAH | Sanaa (Sana’a) [El Rahaba] | – | Yemen |
| IATA – SAN | San Diego | CA [San Diego International Airport-Lindbergh Field] | USA |
| IATA – SAO | Sao Paulo | SP [Metropolitan Area] | Brazil |
| IATA – SAT | San Antonio | TX [San Antonio International Airport] | USA |
| IATA – SBN | South Bend | IN [Michiana Regional Transportation Center Airport] | USA |
| IATA – SDF | Louisville | KY [Standiford Field] | USA |
| IATA – SDL | Sundsvall [Harnosand] | – | Sweden |
| IATA – SDL | Sundsvall [Harnosand] | – | Sweden |
| IATA – SEA | Seattle | WA [Seattle-Tacoma International Airport] | USA |
| IATA – SEL | Seoul [Kimpo] | – | South Korea |
| IATA – SFO | San Francisco | CA [San Francisco International Airport] | USA |
| IATA – SGF | Springfield | MO [Springfield Regional Airport] | USA |
| IATA – SHA | Shanghai [Hongqiao] | – | China |
| IATA – SHV | Shreveport | LA [Shreveport Regional Airport] | USA |
| IATA – SIN | Singapore [Changi International Airport] | – | Singapore |
| IATA – SJC | San Jose | CA [San Jose International Airport] | USA |
| IATA – SJK | Sao Jose dos Lampos | SP | Brazil |
| IATA – SJU | San Juan [Luis Munoz Marin International Airport] | – | Puerto Rico |
| IATA – SLC | Salt Lake City | UT [Salt Lake City International Airport] | USA |
| IATA – SMF | Sacramento | CA [Sacramento Metropolitan Airport] | USA |
| IATA – SNN | Shannon (Limerick) | – | Ireland |
| IATA – SOU | Southampton | England [Eastleigh] | United Kingdom |
| IATA – STL | St. Louis | MO [Lambert-St. Louis International Airport] | USA |
| IATA – STO | Stockholm [Metropolitan Area] | – | Sweden |
| IATA – STR | Stuttgart [Echterdingen] | – | Germany |
| IATA – SYD | Sydney | New South Wales [Kingsford Smith] | Australia |
| IATA – SYR | Syracuse | NY [Syracuse Hancock International Airport] | USA |
| IATA – SZX | Zhenzhen (Shenzhen) | – | China |
| IATA – TLV | Tel Aviv [Ben Gurion] | – | Israel |
| IATA – TPA | Tampa | FL [Tampa International Airport] | USA |
| IATA – TPE | Taipei [Chiang Kai Shek] | – | Taiwan |
| IATA – TRI | Tri-Cities (Bristol/Johnson City/Kingsport) | TN [Tri-City Regional Airport] | USA |
| IATA – TSN | Tianjin [Zhangguizhuang] | – | China |
| IATA – TTN | Trenton | NJ [Mercer County Airport] | USA |
| IATA – TUL | Tulsa | OK [Tulsa International Airport] | USA |
| IATA – TUS | Tucson | AZ [Tucson International Airport] | USA |
| IATA – TYO | Tokyo [Metropolitan Area] | – | Japan |
| IATA – TYS | Knoxville | TN [McGhee Tyson Airport] | USA |
| IATA – VCP | Sao Paulo/Campinas | SP [Viracopos] | Brazil |
| IATA – VIE | Wien (Vienna) [Schwechat] | – | Austria |
| IATA – VIE | Wien (Vienna) [Schwechat] | – | Austria |
| IATA – VIM | Vimercate | – | Italy |
| IATA – WAW | Warszawa (Warsaw) [Okecie] | – | Poland |
| IATA – WLG | Wellington [International] | – | New Zealand |
| IATA – XMN | Xiamen | – | China |
| IATA – YEG | Edmonton | AB [Edmonton International Airport] | Canada |
| IATA – YFC | Fredericton | NB [Fredericton Airport] | Canada |
| IATA – YHM | Hamilton | ON [Hamilton Airport] | Canada |
| IATA – YHZ | Halifax | NS [Halifax International Airport] | Canada |
| IATA – YKF | Kitchener Lake | BC [Kitchener Lake Water Aerodrome] | Canada |
| IATA – YMX | Montreal | QC [Mirabel International Airport] | Canada |
| IATA – YOW | Ottawa | ON [Macdonald-Cartier International Airport] | Canada |
| IATA – YQM | Moncton | NB [Moncton Airport] | Canada |
| IATA – YUL | Montreal | QC [Dorval International Airport] | Canada |
| IATA – YVR | Vancouver | BC [Vancouver International Airport] | Canada |
| IATA – YWG | Winnipeg | MB [Winnipeg International Airport] | Canada |
| IATA – YXE | Saskatoon | SK [Saskatoon Airport] | Canada |
| IATA – YXU | London | ON [London Airport] | Canada |
| IATA – YYC | Calgary | AB [Calgary International Airport] | Canada |
| IATA – YYZ | Toronto | ON [Lester B. Pearson International Airport] | Canada |
| IATA – ZRH | Zurich [Zurich-Kloten] | – | Switzerland |
