| IATA | ICAO | Airport name | Location served |
|---|
| -XA- |
|---|
| XAI | ZHXY | Xinyang Minggang Airport | Xinyang,Henan,China |
| XAL | | Álamos Airport | Álamos,Sonora, Mexico |
| XAP | SBCH | Serafin Enoss Bertaso Airport | Chapecó,Santa Catarina, Brazil |
| XAR | DFOY | Aribinda Airport | Aribinda,Burkina Faso |
| XAU | SOOS | Saül Airport | Saül,French Guiana |
| -XB- |
|---|
| XBB | | Blubber Bay Seaplane Base | Blubber Bay,British Columbia, Canada |
| XBE | | Bearskin Lake Airport (TC: CNE3) | Bearskin Lake,Ontario, Canada |
| XBG | DFEB | Bogande Airport | Bogandé,Burkina Faso |
| XBJ | OIMB | Birjand International Airport | Birjand,Iran |
| XBL | HABB | Bedele Airport (Buno Bedele Airport) | Bedele,Ethiopia |
| XBN | | Biniguni Airport | Biniguni,Papua New Guinea |
| XBO | DFEA | Boulsa Airport | Boulsa,Burkina Faso |
| XBR | | Brockville Regional Tackaberry Airport (TC: CNL3) | Brockville,Ontario, Canada |
| -XC- |
|---|
| XCH | YPXM | Christmas Island Airport | Christmas Island, Australia |
| XCL | | Cluff Lake Airport (TC: CJS3) | Cluff Lake,Saskatchewan, Canada |
| XCM | CYCK | Chatham-Kent Airport | Chatham-Kent,Ontario, Canada |
| XCN | | Coron Airport | Coron,Philippines |
| XCO | YOLA | Colac Airport | Colac,Victoria, Australia |
| XCR | LFOK | Châlons Vatry Airport | Châlons-en-Champagne,Champagne-Ardenne, France |
| -XD- |
|---|
| XDE | DFOU | Diébougou Airport | Diébougou,Burkina Faso |
| XDJ | DFCJ | Djibo Airport | Djibo,Burkina Faso |
| -XE- |
|---|
| XEN | ZYXC | Xingcheng Airport | Xingcheng,Liaoning, China |
| XES | | Grand Geneva Resort Airport (FAA: C02) | Lake Geneva,Wisconsin, United States |
| -XF- |
|---|
| XFN | ZHXF | Xiangyang Liuji Airport | Xiangyang,Hubei, China |
| XFW | EDHI | Hamburg Finkenwerder Airport | Hamburg, Germany |
| -XG- |
|---|
| XGA | DFOG | Gaoua Airport | Gaoua,Burkina Faso |
| XGG | DFEG | Gorom Gorom Airport | Gorom-Gorom,Burkina Faso |
| XGN | FNXA | Xangongo Airport | Xangongo,Angola |
| XGR | CYLU | Kangiqsualujjuaq (Georges River) Airport | Kangiqsualujjuaq,Quebec, Canada |
| -XI- |
|---|
| XIC | ZUXC | Xichang Qingshan Airport | Xichang,Sichuan, China |
| XIE | | Xienglom Airport[1] | Xienglom,Laos |
| XIG | | Xinguara Municipal Airport | Xinguara,Pará, Brazil |
| XIJ | OKAJ | Ahmad al-Jaber Air Base[1] | Al Ahmadi,Kuwait |
| XIL | ZBXH | Xilinhot Airport | Xilinhot,Inner Mongolia, China |
| XIN | ZGXN | Xingning Air Base | Xingning,Guangdong, China |
| XIY | ZLXY | Xi'an Xianyang International Airport | Xi'an,Shaanxi, China |
| -XJ- |
|---|
| XJD | OTBH | Al Udeid Air Base[1] | Al Rayyan,Qatar |
| XJM | OPMA | Mangla Airport[1] | Mangla,Pakistan |
| -XK- |
|---|
| XKA | DFEL | Kantchari Airport | Kantchari,Burkina Faso |
| XKH | VLXK | Xieng Khouang Airport | Phonsavan,Laos |
| XKS | CYAQ | Kasabonika Airport | Kasabonika,Ontario, Canada |
| XKY | DFCA | Kaya Airport | Kaya,Burkina Faso |
| -XL- |
|---|
| XLB | CZWH | Lac Brochet Airport | Lac Brochet,Manitoba, Canada |
| XLO | | Long Xuyen Airport | Long Xuyên,Vietnam |
| XLS | GOSS | Saint-Louis Airport | Saint-Louis,Senegal |
| XLU | DFCL | Leo Airport | Léo,Burkina Faso |
| XLW | EDWD | Lemwerder Airport | Lemwerder,Lower Saxony, Germany |
| -XM- |
|---|
| XMA | | Maramag Airport | Maramag,Philippines |
| XMC | YMCO | Mallacoota Airport[1] | Mallacoota,Victoria, Australia |
| XMD | KMDS | Madison Municipal Airport (FAA: MDS) | Madison,South Dakota, United States |
| XMG | VNMN | Mahendranagar Airport | Bhimdatta (Mahendranagar),Nepal |
| XMH | NTGI | Manihi Airport | Manihi,Tuamotus,French Polynesia |
| XMI | HTMI | Masasi Airport | Masasi,Tanzania |
| XML | YMIN | Minlaton Airport | Minlaton,South Australia, Australia |
| XMN | ZSAM | Xiamen Gaoqi International Airport | Xiamen,Fujian, China |
| XMP | | Macmillan Pass Airport[1] (TC: CFC4) | Macmillan Pass,Yukon, Canada |
| XMS | SEMC | Edmundo Carvajal Airport | Macas,Ecuador |
| XMY | YYMI | Yam Island Airport | Yam Island,Queensland, Australia |
| -XN- |
|---|
| XNA | KXNA | Northwest Arkansas Regional Airport | Fayetteville /Springdale,Arkansas, United States |
| XNG | | Quang Ngai Airport[1] | Quang Ngai (Quảng Ngãi),Vietnam |
| XNH | ORTL | Ali Air Base[1] | Nasiriyah,Iraq |
| XNN | ZLXN | Xining Caojiabao Airport | Xining,Qinghai, China |
| XNT | ZBXT | Xingtai Dalian Airport | Xingtai,Hebei, China |
| XNU | DFON | Nouna Airport | Nouna,Burkina Faso |
| -XP- |
|---|
| XPA | DFEP | Pama Airport | Pama,Burkina Faso |
| XPK | CZFG | Pukatawagan Airport | Pukatawagan,Manitoba, Canada |
| XPL | MHSC | Soto Cano Air Base | Comayagua,Honduras |
| XPP | CZNG | Poplar River Airport | Poplar River,Manitoba, Canada |
| XPR | KIEN | Pine Ridge Airport (FAA: IEN) | Pine Ridge,South Dakota, United States |
| -XQ- |
|---|
| XQP | MRQP | Quepos La Managua Airport | Quepos,Costa Rica |
| XQU | | Qualicum Beach Airport (TC: CAT4) | Qualicum Beach,British Columbia, Canada |
| -XR- |
|---|
| XRH | YSRI | RAAF Base Richmond[1] | Richmond,New South Wales, Australia |
| XRQ | | Xinbarag Youqi Baogede Airport | Xinbarag Youqi,Inner Mongolia, China |
| XRR | CYDM | Ross River Airport | Ross River,Yukon, Canada |
| XRY | LEJR | Jerez Airport (La Parra Airport) | Jerez de la Frontera,Andalusia, Spain |
| -XS- |
|---|
| XSB | OMBY | Sir Bani Yas Airport[1] | Sir Bani Yas,United Arab Emirates |
| XSC | MBSC | South Caicos Airport | South Caicos,British Overseas Territory ofTurks and Caicos Islands |
| XSD | KTNX | Tonopah Test Range Airport (FAA: TNX) | Tonopah,Nevada, United States |
| XSE | DFES | Sebba Airport | Sebba,Burkina Faso |
| XSI | CZSN | South Indian Lake Airport | South Indian Lake,Manitoba, Canada |
| XSO | RPNO | Siocon Airport | Siocon,Philippines |
| XSP | WSSL | Seletar Airport | Singapore |
| -XT- |
|---|
| XTA | KXTA | Homey Airport | Groom Lake,Southern Nevada, United States |
| XTG | YTGM | Thargomindah Airport | Thargomindah,Queensland, Australia |
| XTL | CYBQ | Tadoule Lake Airport | Tadoule Lake,Manitoba, Canada |
| XTO | YTAM | Taroom Airport | Taroom,Queensland, Australia |
| XTR | YTAA | Tara Airport | Tara,Queensland, Australia |
| -XU- |
|---|
| XUZ | ZSXZ | Xuzhou Guanyin Airport | Xuzhou,Jiangsu, China |
| -XV- |
|---|
| XVL | | Vinh Long Airport | Vinh Long (Vĩnh Long),Vietnam |
| -XW- |
|---|
| XWA | KXWA | Williston Basin International Airport | Williston,North Dakota, United States |
| -XY- |
|---|
| XYA | AGGY | Yandina Airport | Yandina,Solomon Islands |
| XYE | VYYE | Ye Airport | Ye,Myanmar |
| XYR | AYED | Edwaki Airport[1] | Yellow River,Papua New Guinea |
| -XZ- |
|---|
| XZA | DFEZ | Zabré Airport | Zabré,Burkina Faso |
