| Alexander Kartveli Batumi International Airport | BUS | Batumi | GE |
| Aristides Pereira International Airport | BVC | Rabil | CV |
| Atlas Brasil Cantanhede International Airport | BVB | Boa Vista | BR |
| Bacău George Enescu International Airport | BCM | Bacău | RO |
| Bacolod-Silay International Airport | BCD | Bacolod City | PH |
| Badajoz Airport | BJZ | Badajoz | ES |
| Badu Island Airport | BDD | Badu Island | AU |
| Baghdad International Airport / New Al Muthana Air Base | BGW | Baghdad | IQ |
| Bahawalpur Airport | BHV | Bahawalpur | PK |
| Bahia Piña Airport | BFQ | Puerto Piña | PA |
| Bahir Dar Airport | BJR | Bahir Dar | ET |
| Bahrain International Airport | BAH | Manama | BH |
| Baikonur Krayniy International Airport | BXY | Baikonur | KZ |
| Bakalalan Airport | BKM | Bakalalan | MY |
| Balakovo Airport | BWO | Balakovo | RU |
| Balıkesir Airport | BZI | Balıkesir | TR |
| Balkanabat International Airport | BKN | Balkanabat | TM |
| Balkhash Airport | BXH | Balkhash | KZ |
| Ballalae Airport | BAS | Ballalae | SB |
| Ballina Byron Gateway Airport | BNK | Ballina | AU |
| Balmaceda Airport | BBA | Balmaceda | CL |
| Baltimore/Washington International Thurgood Marshall Airport | BWI | Baltimore | US |
| Baltrum Airport | BMR | Baltrum | DE |
| Bam Airport | BXR | Bam | IR |
| Bancasi Airport | BXU | Butuan | PH |
| Bandar Abbas International Airport | BND | Bandar Abbas | IR |
| Bandar Lengeh International Airport | BDH | Bandar Lengeh | IR |
| Bangor International Airport | BGR | Bangor | US |
| Bangui M'Poko International Airport | BGF | Bangui | CF |
| Banja Luka International Airport | BNX | Mahovljani | BA |
| Banjul International Airport | BJL | Banjul (Yundum) | GM |
| Banmaw Airport | BMO | Banmaw | MM |
| Banyuwangi Airport | BWX | Rogojampi, Banyuwangi | ID |
| Baoshan Yunrui Airport | BSD | Baoshan (Longyang) | CN |
| Baotou Donghe International Airport | BAV | Baotou | CN |
| Barcaldine Airport | BCI | Barcaldine | AU |
| Barcelos Airport | BAZ | Barcelos | BR |
| Bardufoss Airport | BDU | Målselv | NO |
| Bareilly Air Force Station | BEK | Bareilly | IN |
| Bari Karol Wojtyła International Airport | BRI | Bari | IT |
| Barinas Airport | BNS | Barinas | VE |
| Bario Airport | BBN | Bario | MY |
| Barisal Airport | BZL | Barisal | BD |
| Barnaul Gherman Titov International Airport | BAX | Barnaul | RU |
| Barra Airport | BRR | Eoligarry | GB |
| Barter Island Long Range Radar Station Airport | BTI | Barter Island | US |
| Basco Airport | BSO | Basco | PH |
| Basra International Airport | BSR | Basra | IQ |
| Basse-Terre Baillif Airport | BBR | Basse-Terre | GP |
| Bastia-Poretta International airport | BIA | Bastia | FR |
| Bata International Airport | BSG | Bata | GQ |
| Batagay Airport | BQJ | Batagay | RU |
| Bathpalathang Airport | BUT | Jakar | BT |
| Bathurst Airport | BHS | Bathurst | AU |
| Batman Airport | BAL | Batman | TR |
| Batna Mostefa Ben Boulaid Airport | BLJ | Batna | DZ |
| Baton Rouge Metropolitan Airport | BTR | Baton Rouge | US |
| Båtsfjord Airport | BJF | Båtsfjord | NO |
| Battambang Airport | BBM | Battambang | KH |
| Batticaloa International Airport | BTC | Batticaloa | LK |
| Baucau Airport | BCH | Baucau | TL |
| Bayankhongor Airport | BYN | Bayankhongor | MN |
| Bazhong Enyang Airport | BZX | Bazhong | CN |
| Beauvais-Tillé airport | BVA | Beauvais | FR |
| Bedourie Airport | BEU | Bedourie | AU |
| Beihai Fucheng Airport | BHY | Beihai | CN |
| Beira International Airport | BEW | Beira | MZ |
| Beirut Rafic Hariri International Airport | BEY | Beirut | LB |
| Beledweyne Airport | BLW | Beledweyne | SO |
| Belfast International Airport | BFS | Belfast | GB |
| Belgrade Nikola Tesla Airport | BEG | Belgrade | RS |
| Bellingham International Airport | BLI | Bellingham | US |
| Bellona/Anua Airport | BNY | Anua | SB |
| Benbecula Airport | BEB | Balivanich | GB |
| Bender Qassim International Airport | BSA | Bosaso | SO |
| Bendigo Airport | BXG | — | AU |
| Bengbu Tenghu Airport | BFY | Bengbu | CN |
| Beni Mellal Airport | BEM | Oulad Yaich | MA |
| Benin Airport | BNI | Benin | NG |
| Benina International Airport | BEN | Benina | LY |
| Berbera Airport | BBO | Berbera | SO |
| Bergen Airport, Flesland | BGO | Bergen | NO |
| Berlevåg Airport | BVG | Berlevåg | NO |
| Berlin Brandenburg Airport | BER | Berlin | DE |
| Bern Airport | BRN | Bern | CH |
| Bersujud Airport | BTW | Batu Licin | ID |
| Bert Mooney Airport | BTM | Butte | US |
| Besalampy Airport | BPY | Besalampy | MG |
| Bethel Airport | BET | Bethel | US |
| Bettles Airport | BTT | Bettles | US |
| Béziers Vias airport | BZR | Béziers | FR |
| Bhadrapur Airport | BDP | Bhadrapur | NP |
| Bharatpur Airport | BHR | Bharatpur | NP |
| Bhavnagar Airport | BHU | Bhavnagar | IN |
| Bhuj Airport | BHJ | Bhuj | IN |
| Biarritz Pays Basque airport | BIQ | Biarritz | FR |
| Big Creek Airport | BGK | Big Creek | BZ |
| Bijie Feixiong Airport | BFJ | Bijie | CN |
| Biju Patnaik International Airport | BBI | Bhubaneswar | IN |
| Bilbao Airport | BIO | Bilbao | ES |
| Billings Logan International Airport | BIL | Billings | US |
| Billund Airport | BLL | Billund | DK |
| Bingöl Airport | BGG | Bingöl | TR |
| Bintulu Airport | BTU | Bintulu | MY |
| Biratnagar Airport | BIR | Biratnagar | NP |
| Birdsville Airport | BVI | — | AU |
| Birmingham Airport | BHX | Birmingham, West Midlands | GB |
| Birmingham-Shuttlesworth International Airport | BHM | Birmingham | US |
| Bisha Airport | BHH | Bisha | SA |
| Biskra - Mohamed Khider Airport | BSK | Biskra | DZ |
| Bismarck Municipal Airport | BIS | Bismarck | US |
| Blackall Airport | BKQ | Blackall | AU |
| Blakely Island Airport | BYW | Blakely Island | US |
| Block Island State Airport | BID | Block Island | US |
| Bluefields Airport | BEF | Bluefields | NI |
| Bobo Dioulasso Airport | BOY | Bobo Dioulasso | BF |
| Bocas del Toro "Isla Colón" International Airport | BOC | Isla Colón | PA |
| Bodø Airport | BOO | Bodø | NO |
| Boende Airport | BNB | Boende | CD |
| Bogorodskoye Airport | BQG | Bogorodskoye | RU |
| Boise Air Terminal/Gowen Field | BOI | Boise | US |
| Bojnord Airport | BJB | Bojnord | IR |
| Bokeo International Airport | BOR | Ton Phueng | LA |
| Bokondini Airport | BUI | Bokondini | ID |
| Bole Alashankou Airport | BPL | Bole | CN |
| Bologna Guglielmo Marconi Airport | BLQ | Bologna | IT |
| Bolzano Airport | BZO | Bolzano (BZ) | IT |
| Bonito Airport | BYO | Bonito | BR |
| Bora Bora Airport | BOB | Motu Mute | PF |
| Bordeaux–Mérignac Airport | BOD | Bordeaux | FR |
| Bordj Badji Mokhtar Airport | BMW | Bordj Badji Mokhtar | DZ |
| Borkum Airport | BMK | Borkum | DE |
| Bosset Airport | BOT | Bosset | PG |
| Boston Logan International Airport | BOS | Boston | US |
| Bouaké Airport | BYK | Bouaké | CI |
| Boulder City Municipal Airport | BLD | Boulder City | US |
| Boulia Airport | BQL | — | AU |
| Bourke Airport | BRK | — | AU |
| Bournemouth Airport | BOH | Bournemouth | GB |
| Bovanenkovo Airport | BVJ | Bovanenkovo | RU |
| Bozeman Yellowstone International Airport | BZN | Bozeman | US |
| Brač Airport | BWK | Gornji Humac | HR |
| Bradford Regional Airport | BFD | Bradford | US |
| Bradley International Airport | BDL | Hartford | US |
| Bragança Airport | BGC | Bragança | PT |
| Brainerd Lakes Regional Airport | BRD | Brainerd | US |
| Bram Fischer International Airport | BFN | Bloemfontein | ZA |
| Branson Airport | BKG | Branson | US |
| Bratsk Airport | BTK | Bratsk | RU |
| Bremen Airport | BRE | Bremen | DE |
| Brest Bretagne airport | BES | Brest | FR |
| Brest International Airport | BQT | Brest | BY |
| Breves Airport | BVS | Breves | BR |
| Brigadeiro Camarão Airport | BVH | Vilhena | BR |
| Brindisi Airport | BDS | Brindisi | IT |
| Brisbane International Airport | BNE | Brisbane | AU |
| Bristol Airport | BRS | Bristol | GB |
| Brive Souillac airport | BVE | Brive | FR |
| Brno-Tuřany Airport | BRQ | Brno | CZ |
| Broken Hill Airport | BHQ | Broken Hill | AU |
| Brønnøysund Airport, Brønnøy | BNN | Brønnøy | NO |
| Broome International Airport | BME | Broome | AU |
| Brownsville South Padre Island International Airport | BRO | Brownsville | US |
| Brunei International Airport | BWN | Bandar Seri Begawan | BN |
| Brunswick Golden Isles Airport | BQK | Brunswick | US |
| Brussels Airport | BRU | Zaventem | BE |
| Bryansk International Airport | BZK | Bryansk | RU |
| Bucharest Băneasa Aurel Vlaicu International Airport | BBU | Bucharest | RO |
| Buckland Airport | BKC | Buckland | US |
| Budapest Liszt Ferenc International Airport | BUD | Budapest | HU |
| Buffalo Niagara International Airport | BUF | Buffalo | US |
| Bujumbura Melchior Ndadaye International Airport | BJM | Bujumbura | BI |
| Buka Airport | BUA | Buka Island | PG |
| Bukhara International Airport | BHK | Bukhara | UZ |
| Bukoba Airport | BKZ | Bukoba | TZ |
| Bundaberg Airport | BDB | Bundaberg | AU |
| Bunia Airport | BUX | Bunia | CD |
| Buon Ma Thuot Airport | BMV | Buon Ma Thuot | VN |
| Burgas Airport | BOJ | Burgas | BG |
| Buri Ram Airport | BFV | Buriram | TH |
| Burketown Airport | BUC | — | AU |
| Burton-Nibbs International Airport | BBQ | Codrington | AG |
| Bushehr Airport | BUZ | Bushehr | IR |
| Busselton Margaret River Regional Airport | BQB | Busselton | AU |
| Butaritari Airport | BBG | Butaritari | KI |
| Carlos Manuel de Cespedes Airport | BYM | Bayamo | CU |
| Central Illinois Regional Airport at Bloomington-Normal | BMI | Bloomington/Normal | US |
| Chhatrapati Shivaji Maharaj International Airport | BOM | Mumbai | IN |
| Chileka International Airport | BLZ | Blantyre | MW |
| Comandante Espora Airport | BHI | Bahía Blanca | AR |
| Dala Airport | BLE | Borlange | SE |
| Dom Ricardo Weberberger Airport | BRA | Barreiras | BR |
| Eastern Sierra Regional Airport | BIH | Bishop | US |
| El Dorado International Airport | BOG | Bogota | CO |
| Ernesto Cortissoz International Airport | BAQ | Barranquilla | CO |
| EuroAirport Basel–Mulhouse–Freiburg | BSL | Bâle / Mulhouse | FR |
| Fatmawati Soekarno Airport | BKS | Bengkulu | ID |
| Fazenda Rosa do Deserto Airstrip | — | Ubaíra | BR |
| Flamingo International Airport | BON | Kralendijk | BQ |
| Frans Kaisiepo Airport | BIK | Biak | ID |
| Gautam Buddha International Airport | BWA | Siddharthanagar (Bhairahawa) | NP |
| Gbadolite Airport | BDT | Gbadolite | CD |
| General José Antonio Anzoategui International Airport | BLA | Barcelona | VE |
| George Best Belfast City Airport | BHD | Belfast | GB |
| Gerardo Tobar López Airport | BUN | Buenaventura | CO |
| Grantley Adams International Airport | BGI | Bridgetown | BB |
| Greater Binghamton/Edwin A Link field | BGM | Binghamton | US |
| Guanajuato International Airport | BJX | Silao | MX |
| Gustavo Rizo Airport | BCA | Baracoa | CU |
| Hancock County-Bar Harbor Airport | BHB | Bar Harbor | US |
| Hang Nadim International Airport | BTH | Batam | ID |
| Hollywood Burbank/Bob Hope Airport | BUR | Burbank | US |
| Husein Sastranegara International Airport | BDO | Bandung | ID |
| Ignacy Jan Paderewski Bydgoszcz Airport | BZG | Bydgoszcz | PL |
| Ignatyevo Airport | BQS | Blagoveschensk | RU |
| Il Caravaggio International Airport | BGY | Orio al Serio (BG) | IT |
| Île Art - Waala Airport | BMY | Waala | NC |
| J F Mitchell Airport | BQU | Bequia | VC |
| Jacinto Lara International Airport | BRM | Barquisimeto | VE |
| Jack Brooks Regional Airport | BPT | Beaumont/Port Arthur | US |
| Jinka Airport | BCO | Jinka | ET |
| José Celestino Mutis Airport | BSC | Bahía Solano | CO |
| Josep Tarradellas Barcelona-El Prat Airport | BCN | Barcelona | ES |
| Joshua Mqabuko Nkomo International Airport | BUQ | Bulawayo | ZW |
| Kalimarau Airport | BEJ | Tanjung Redeb - Borneo Island | ID |
| Kasane International Airport | BBK | Kasane | BW |
| Kempegowda International Airport Bengaluru | BLR | Bengaluru | IN |
| King County International Airport - Boeing Field | BFI | Seattle | US |
| Kota Kinabalu International Airport | BKI | Kota Kinabalu | MY |
| L.F. Wade International Airport | BDA | Hamilton | BM |
| Læsø Airport | BYR | Læsø | DK |
| Laurence G Hanscom Field | BED | Bedford | US |
| LNG Badak Airport | BXT | Bontang-Borneo Island | ID |
| M. R. Štefánik Airport | BTS | Bratislava | SK |
| Manas International Airport | BSZ | Bishkek | KG |
| Maramureș International Airport | BAY | Tăuții-Măgherăuș | RO |
| Maria Montez International Airport | BRX | Barahona | DO |
| Maya-Maya International Airport | BZV | Brazzaville | CG |
| Meadows Field | BFL | Bakersfield | US |
| Milas Bodrum International Airport | BJV | Bodrum | TR |
| Modibo Keita International Airport | BKO | Bamako | ML |
| Muara Bungo Airport | BUU | Muara Bungo | ID |
| Nashville International Airport | BNA | Nashville | US |
| Palonegro Airport | BGA | Bucaramanga | CO |
| Panamá Pacífico International Airport | BLB | Panamá City | PA |
| Pathein Airport | BSX | Pathein | MM |
| Patrick Leahy Burlington International Airport | BTV | Burlington | US |
| Philip S. W. Goldson International Airport | BZE | Belize City | BZ |
| Porto Seguro International Airport | BPS | Porto Seguro | BR |
| Presidente Juscelino Kubitschek International Airport | BSB | Brasília | BR |
| Qamdo Bangda Airport | BPX | Bangda | CN |
| Qinhuangdao Beidaihe Airport | BPE | Qinhuangdao (Changli) | CN |
| Qionghai Bo'ao Airport | BAR | Qionghai (Basuo) | CN |
| Rafael Hernández International Airport | BQN | Aguadilla | PR |
| Raja Bhoj International Airport | BHO | Bhopal | IN |
| Raleigh County Memorial Airport | BKW | Beaver | US |
| Rocky Mountain Metropolitan Airport | BJC | Denver | US |
| Scott AFB/Midamerica Airport | BLV | Belleville | US |
| Sir Abubakar Tafawa Balewa Bauchi State International Airport | BCU | Bauchi | NG |
| Soummam–Abane Ramdane Airport | BJA | Béjaïa | DZ |
| South Bimini Airport | BIM | South Bimini | BS |
| Southeast Iowa Regional Airport | BRL | Burlington | US |
| Stockholm-Bromma Airport | BMA | Stockholm | SE |
| Sultan Aji Muhammad Sulaiman Sepinggan International Airport | BPN | Balikpapan | ID |
| Sultan Iskandar Muda International Airport | BTJ | Banda Aceh | ID |
| Sultan Muhammad Salahuddin Airport | BMU | Bima | ID |
| Suvarnabhumi Airport | BKK | Bangkok | TH |
| Syamsudin Noor International Airport | BDJ | Banjarbaru | ID |
| Teniente Luis Candelaria International Airport | BRC | San Carlos de Bariloche | AR |
| Vadodara International Airport | BDQ | Vadodara | IN |
| Val de Cans/Júlio Cezar Ribeiro International Airport | BEL | Belém | BR |
| Western Neb. Rgnl/William B. Heilig Airport | BFF | Scottsbluff | US |
| Wiley Post Will Rogers Memorial Airport | BRW | Utqiaġvik | US |
| Woodbourne Airport | BHE | Blenheim | NZ |
| Wynyard Airport | BWT | Burnie | AU |