Both destinations are served by Leh (IXL). Since there's no flight route between them, the best way to travel is by road.
Leh Ladakh
Fly to Leh (IXL), then travel by road to Leh Ladakh. Taxis, buses, and private cabs are available from the airport.
Ladakh
Fly to Leh (IXL), then travel by road to Ladakh. Local transport options include taxis, auto-rickshaws, and state buses.