By bus
There are frequent buses operated by Go Genting Express Bus from various points in Kuala Lumpur first bus at 8AM or 8:30AM, including the Puduraya bus terminal every 30 min, KL Sentral train station half-hourly and hourly, Hentian Pasarakyat hourly and Gombak half-hourly and hourly. There are also less comfortable buses from Pekeliling Bus Station to Genting Highlands every 20 to 30 mins, first bus at 7AM. Booking in advance is advisable as services can sell out, especially on weekends.
All buses take around one hour and cost around RM 5 one way, with most terminating at the bus terminal beside the Skyway cable car base station, from where it's an 11-minute ride up to the summit of Genting RM 5 one-way; the top cable station is in the Highlands Hotel. You have to wait more than 45 min for the next cable car. It is slightly cheaper to buy a combined bus and cable car ticket, costing less than RM 10. Buses departing at 8PM and 9PM on Fri, Sat and Sun head directly to the First World Bus Terminal, making it unnecessary to take the cable car up. The buses that depart at 9PM, 10PM and 11PM on Fri, Sat and Sun for KL Sentral from Genting leave from the First World Bus Terminal, making it unnecessary to take the cable car down. A direct non stop bus departs from Genting to KLCC, the last bus departing at 8PM RM 35 one-way; travel time 2 hrs, reservation available at bus counter no:3
You may also consider buying the so-called Go Genting Golden Package valid for one day only; RM 47, (RM 4 more on national public holdiays from the Genting ticket office on the second level of KL Sentral. This package includes the return bus journey same day only between KL KL Sentral and three other points of departure and Genting bus terminal, the return cable car ride same day only and buffet lunch at the Coffee Terrace or Outdoor Theme Park day pass. You have to decide on what time you want to return from Genting when you purchase the package.
Transtar (http://www.transtar.com.sg/) operates one daily superluxury "Solitaire" bus direct from Singapore S$87/77 one-way from/to Singapore. Other companies running direct buses include Five Star Tours, Grassland, Konsortium and Easibook.
By plane
The nearest airport is in Kuala Lumpur. Skybus (http://www.skybus.com.my/) used to run direct buses, but seems to have stopped; the fastest way is thus to KL Sentral by train 28 min and then connecting to the bus from there. Alternatively, if you're feeling flush after hitting a jackpot in the casino, Sabah Air tel. +60 3 62578604 will be happy to charter a helicopter for you 30 min.