From Sapporo (how to get to Sapporo)
A free daily shuttle bus for resort guests operates between Sapporo and resort from late November to early April. The bus departs from the Rusutsu Resort Sapporo Office near Sapporo Station in the morning and returns to Sapporo in the evening. Travel time is two hours. Reservations are required at least one day in advance.
From December to early April, multiple buses per day, operated by Donan Bus and Hokkaido Access Network, travel between Sapporo and Rusutsu Resort. Buses continue on to Niseko (Donan Bus and Hokkaido Access Network) and Lake Toya (Donan Bus). The one way trip takes about two hours and costs approximately 2000 yen. Reservations are required. Buses leave from JR Sapporo Station and several major hotels in the city. Packages that include lift tickets are available.
Outside of winter, only Donan Bus operates buses between Sapporo and Lake Toya, which stop at Rusutsu along the way.
From New Chitose Airport
Multiple bus companies, including Chuo Bus, Niseko Bus and Hokkaido Access Network operate buses between Sapporo's New Chitose Airport and Rusutsu. The one way trip takes about two hours and cost approximately 2000 yen. Reservations are required. Most buses continue on to Niseko. Packages including lift tickets are available. Most of these buses operate only from December to early April.
During winter only, Donan Bus operates two buses per day between Rusutsu and the various ski resorts in Niseko. The one way trip takes 60-90 minutes and costs 1000 to 1200 yen one way. Reservations are required. Note that the buses which operate between New Chitose Airport and Niseko via Rusutsu cannot be used for travel between Rusutsu and Niseko.
From Lake Toya (Toyako)
Donan Bus operates buses between Lake Toya and Sapporo which stop in Rusutsu along the way. The one way trip between Lake Toya and Rusutsu takes 45 minutes and costs 1120 yen. There are about seven buses per day throughout the year, and reservations are required.