The venue for Guided Walks of the Old Course 2026 is St Andrews Links Clubhouse, St Andrews, United Kingdom. From Chicago it's roughly 5,972 km — plan on about 8h 19m in the air, landing at EDI. For the festival dates, round-trip fares start around $490; they climb fastest in the last 6–8 weeks.
Sample fares Chicago → EDI. Final prices and dates are on the partner site.