| Airline: | United International Airlines |
| Iata: | - |
| Icao: | UIL |
| Callsign: | UNITED LINER |
| Founded: | 2007 |
| Ceased: | 2008 |
| Headquarters: | Belgrade, Serbia |
| Key People: | N/A |
| Hubs: | Belgrade Nikola Tesla Airport |
| Fleet Size: | 5 |
| Destinations: | Unscheduled charters |
| Website: | N/A |
United International Airlines was a cargo airline with its base at Belgrade Nikola Tesla Airport in Serbia.[1]
United International had previously operated under the name Air Sofia and was based in Sofia, Bulgaria. On 5 March 2007, after Bulgaria joined the EU, the airline lost its license from the Bulgarian government, along with four other airlines. The airline relocated to Serbia. However, approximately one year later, in 2008, the Serbian Civil Aviation Directorate also withdrew their license.[2]