Let Expedia help you arrange your flight to Sydney Airport (SYD) airport, and then choose from some places to stay that will deliver the luxury you seek. Amenities are important when you plan a trip, so we make it easy to get what you want to make your stay special. If you want an upscale hotel with fine dining, a spa or several swimming pools, Expedia can assist you in finding the best luxury hotel experience that Castlereagh has to offer. Castlereagh has some interesting things to see and do including Sydney International Regatta Centre and Penrith Whitewater Stadium, so you might want to take in the local sights during your visit.