The nearest airport to Llyswen is Cardiff International Airport (CWL). This airport is 44 miles or 71 km from the center of Llyswen, . Below is a list of all airports in order of distance from Llyswen, Wales, United Kingdom.
| Airport Name | Distance (miles) | Distance (km) |
|---|---|---|
| Shobdon Aerodrome | 21.74 Miles | 34.99 Km |
| MOD St. Athan | 44.26 Miles | 71.23 Km |
| Cardiff International Airport | 44.36 Miles | 71.39 Km |
| Swansea Airport | 45.27 Miles | 72.86 Km |
| Bristol Filton Airport | 46.09 Miles | 74.18 Km |
| Gloucestershire Airport | 48.00 Miles | 77.25 Km |
| Bristol Airport | 51.01 Miles | 82.10 Km |
| Wolverhampton Halfpenny Green Airport | 54.12 Miles | 87.09 Km |
| Cotswold Airport | 57.73 Miles | 92.92 Km |
| DCAE Cosford Air Base | 58.26 Miles | 93.77 Km |
| RAF Shawbury | 58.39 Miles | 93.97 Km |
| Sleap Airport | 58.92 Miles | 94.83 Km |