| IATA | ICAO | Airport name | Location |
|---|
| QAJ | | Ajman International Airport (Under construction) | Ajman, United Arab Emirates |
| QAP | | Apapa Airport | Apapa, Nigeria |
| QBA | | All Airports | San Francisco Bay Area, California, United States |
| QCY | EGXC | RAF Coningsby | Coningsby, England, United Kingdom |
| QDP | | Dom Pedrito Airport | Dom Pedrito, Rio Grande do Sul, Brazil |
| QGP | SNGN | Garanhuns Airport | Garanhuns, Pernambuco, Brazil |
| QHA | EBZH | All Airports | Hasselt, Belgium |
| QHD | ETIE | Heidelberg AAF | Heidelberg, Germany |
| QHO | | All Airports | Houston, Texas, United States |
| QKF | EDLK | Krefeld-Egelsberg Airport | Krefeld, North Rhine-Westphalia, Germany |
| QLA | EGHL | Lasham Airfield | Lasham, England, United Kingdom |
| QLI | | Limassol Airport | Limassol, Cyprus |
| QLT | LIRL | Latina Airport | Latina, (near Rome) Italy |
| QMJ | OIAI | Shahid Asyaee Airport | Masjed Soleiman, Iran |
| QMZ | EDFZ | Mainz-Finthen Airport | Mainz, Rhineland-Palatinate, Germany |
| QNB | | Anand Airport | Anand, India |
| QNJ | LFLI | Annemasse Airport | Annemasse, France |
| QNY | | New York Skyports Inc. Seaplane Base | New York City, New York, United States |
| QOW | DNIM | Sam Mbakwe International Cargo Airport | Owerri, Nigeria |
| QPG | WSAP | Paya Lebar Airbase | Paya Lebar, Singapore |
| QPS | SBYS | Campo Fontenelle (military) | Piraçununga, São Paulo, Brazil |
| QPZ | LIMS | Piacenza Airport | Piacenza, Italy |
| QQT | BGQE | Qeqertaq Heliport | Qeqertaq, Greenland |
| QRO | MMQT | Querétaro International Airport | Querétaro, Mexico |
| QSC | SDSC | São Carlos Airport | São Carlos, São Paulo, Brazil |
| QSF | | All Airports | San Francisco Bay Area, California, United States |
| QSI | HTMS | Moshi Airport | Moshi, Tanzania |
| QSR | LIRI | Salerno Costa d'Amalfi Airport | Salerno, Italy |
| QSX | SYNA | New Amsterdam Airport | New Amsterdam, Guyana |
| QUG | EGHR | Goodwood Airfield | Chichester, England, United Kingdom |
| QUP | BGSQ | Saqqaq Heliport | Saqqaq, Greenland |
| QUS | DNGU | Gusau Airport | Gusau, Nigeria |
| QVB | SSUV | União da Vitória Airport | União da Vitória, Paraná, Brazil |
| QXB | LFMA | Aix Les Milles Airport | Aix-les-milles, France |
| QYR | LFQB | Barberey Airport | Troyes, France |