From Kansai International Airport to Kyoto station: 

1st option [Train]:  Kansai-Airport Express “HARUKA”

Time table is in: https://www.westjr.co.jp/global/en/timetable/pdf/haruka_timetable_202304.pdf

2nd option [Bus]:  Limousine Bus

Time table is in: https://www.kate.co.jp/en/timetable/detail/KY

You could find precise information of both options in [1],  and could see how to use these options with pictures in [2]. 

References

[1] https://www.kyotostation.com/traveling-between-kyoto-and-kansai-international-airport/

[2] https://livejapan.com/en/in-kansai/in-pref-osaka/in-kansai-airport/article-a2000335/