The Karuizawa to Iiyama route features both local and limited express train options, with ticket choices in Standard and Green Class. Departures from Karuizawa Station include the Hokuriku Shinkansen and local trains connecting through Nagano. It's advisable to book tickets online to access the best prices and ensure availability. The price range for a one-way ticket lies between ¥3,000–4,500 (approximately $20–30 USD), with discounts available for seniors and children. For detailed timetable information, check the current ticket availability and class options via the search page, and stay updated on real-time schedules, train times, and pricing.