Smart cards like Icoca, Suica and Pasmo are valid across Japan, so don't worry about which one you buy. You can use Icoca/Pasmo/Suica for all trains, subways and buses in Kyoto. You can also use Icoca/Pasmo/Suica at many shops, especially convenience stores. Buy Icoca cards from vending machines at JR Kyoto Station.

Yes, the Suica card is fully valid for transit in Kyoto in 2026, thanks to the nationwide "mutual use" agreement between Japan's major IC card systems. Although Suica is issued by JR East in the Tokyo area, you can use it seamlessly on the Kyoto City Subway, JR West lines, and the extensive Kyoto City Bus network. To use it, simply tap your card (or your iPhone/Android phone if you use a mobile Suica) on the reader at the ticket gate or when boarding and exiting the bus. You can also use your Suica balance at most convenience stores (like 7-Eleven or Lawson) and many vending machines throughout Kyoto. The only significant limitation is that you cannot buy a physical Suica card in Kyoto; they are only sold in the Tokyo/East Japan region. If you are starting your trip in Kyoto, you would buy an ICOCA card instead, which works exactly the same way and is valid in Tokyo. In 2026, the interoperability is so complete that for 99% of tourist activities, there is no functional difference between using a Suica, Pasmo, or Icoca card while exploring the temples and shrines of Kyoto.