| Airline Name | Image | Swaps |
| Skynet Asia Airways-Japan |
| 0 |
| Skyservice Aviation-Canada: Design 1 |
| yes |
| Skyservice Aviation-Canada: Design 2 |
| yes |
| SkyStar Airways-Thailand |
| 0 |
| Skyward Express-Kenya |
| 0 |
| Skyways AB-Sweden: Design 1 |
| 0 |
| Skyways AB-Sweden: Design 2 |
| 0 |
| Skyways Express-Sweden |
| yes |
| Skywest Airlines-USA |
| 0 |
| Slov Airtours (Slovtans Air)-Slovakia: Design 1 |
| 0 |
| Slov Airtours (Slovtans Air)-Slovakia: Design 2 |
| 0 |
| Small Planet Airlines-Lithuania: Design 1 |
| 0 |
| Small Planet Airlines-Lithuania: Design 2 |
| yes |
| Small Planet Airlines-Lithuania: Design 3 |
| yes |
| Smart Wings-Czech Republic |
| yes |
| SN Brussels Airlines-Belgium: Design 1 |
| yes |
| SN Brussels Airlines-Belgium: Design 2 |
| 0 |
| SN Brussels Airlines-Belgium: Design 3 |
| yes |
| Sobelair (Societe Belge de Transports Par Air SA)-Belgium: Design 1 |
| yes |
| Sobelair (Societe Belge de Transports Par Air SA)-Belgium: Design 2 |
| yes |
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