Business Lounge A Spring at Hakodate sits on Domestic Terminal 2F with about 62 seats including business-corner booths. Official hours are 07:00–19:30 (tracking last boarding). Walk-up is ¥1,050 for ages 3+; many Japanese gold-tier cards enter free with a same-day boarding pass. Amenities centre on complimentary soft drinks, Wi-Fi, reading materials, and quiet seating. Priority Pass does not list HKD. A private room is available for separate hire.