| City | Country | Airport Count |
|---|---|---|
| Iaciara | Brazil | 1 |
| Iacri | Brazil | 1 |
| Ialibu | Papua New Guinea | 1 |
| Iamalele, Fergusson Island | Papua New Guinea | 1 |
| Ianca | Romania | 1 |
| Iaras | Brazil | 1 |
| Iaşi | Romania | 1 |
| Iaura | Papua New Guinea | 1 |
| Iba | Philippines | 1 |
| Ibadan | Nigeria | 1 |
| Ibague | Colombia | 9 |
| Ibaiti | Brazil | 1 |
| Ibapah | United States | 1 |
| Ibarra | Ecuador | 1 |
| Ibaté | Brazil | 1 |
| Ibele | Indonesia | 1 |
| Iberia | Perú | 1 |
| Ibil | Papua New Guinea | 1 |
| Ibimirim | Brazil | 1 |
| Ibirá | Brazil | 1 |
| Ibirarema | Brazil | 1 |
| Ibirubá | Brazil | 1 |
| Ibitinga | Brazil | 1 |
| Ibiúna | Brazil | 2 |
| Ibiza | Spain | 1 |
| City | Country | Airport Count |
| Ibiza Island | Spain | 2 |
| Ibo | Mozambique | 1 |
| Iboki | Papua New Guinea | 1 |
| Ibotirama | Brazil | 1 |
| Ibra | Oman | 1 |
| Ica | Perú | 1 |
| Icabaru | Venezuela | 0 |
| Içara | Brazil | 1 |
| Icaraima | Brazil | 1 |
| Ichilo | Bolivia | 3 |
| Ichinskiy | Russia | 1 |
| Ichon | North Korea | 2 |
| Icy Bay | United States | 1 |
| Icy Cape | United States | 1 |
| Ida | United States | 1 |
| Ida Grove | United States | 2 |
| Idabel | United States | 2 |
| Idaho | United States | 1 |
| Idaho City | United States | 3 |
| Idaho Falls | United States | 4 |
| Idaho Springs | United States | 1 |
| Idalia | United States | 1 |
| Idam | Papua New Guinea | 1 |
| Idar-Oberstein | Germany | 1 |
| Idiofa | Congo (Kinshasa) | 1 |