Traveling from Singapore to Kuala Lumpur is easy, with several options to suit different budgets and travel styles. Taking a direct bus is often one of the cheapest and most convenient choices, but you can also travel from Changi Airport to Johor Bahru by coach or local transport, then continue to Kuala Lumpur by Malaysia’s ETS electric train. In this guide, I’ll compare the best routes, explain how to cross the Singapore–Malaysia border, and share our firsthand experience taking the bus to Kuala Lumpur to help you choose the best option for your trip.