Map of Cardiff Airport Cardiff International Airport is located near Barry, in the Vale of Glamorgan, Wales. From Newport, head west on the M4 until reaching the A4232. Then head south on the A4232 to the A4050 and follow the signs to the Airport at Rhoose. Driving to Cardiff airport? Need airport parking? Reserve Cardiff airport parking on-line. By pre-booking you'll pay much less than if you just turn up and park on the day you fly You might also want to consider booking a Cardiff airport hotel for the day before your flight. Our rates include airport parking, and often only work out to just a few pounds more than parking alone.