Yes, major Japanese IC cards like Suica, Pasmo, and Icoca are fully functional on almost all Kyoto City buses and Kyoto Bus company vehicles. To use them, you simply "tap" your card or smartphone on the reader near the driver when exiting the bus (or at both the entrance and exit if the bus uses a distance-based fare system). This provides a high-fidelity, seamless experience compared to fumbling with exact change or buying paper day passes. Since 2026, Kyoto has moved toward a "tap-to-pay" culture to manage the heavy influx of tourists, and most buses also support contactless credit cards via the "Transit" protocol. It is important to note that while the card covers the fare, it does not automatically apply "Day Pass" discounts unless you have pre-loaded a specific digital pass onto your card. For most visitors navigating the iconic routes to Kinkaku-ji or Gion, relying on a Suica or Icoca is the most efficient way to travel, as these cards are also compatible with the Kyoto Subway and the JR lines connecting the city to Osaka and Nara.