Yes, Singapore Airlines provides lounge access to eligible passengers at layover airports on connections from South Korea to Vietnam. In Singapore Changi Airport, eligible customers can access lounges such as the SilverKris Lounge or other partner lounges, depending on cabin class and frequent flyer status. Eligibility is based on your class of travel or KrisFlyer and Star Alliance status, determined by the flight departing the layover airport. Other options such as purchasing a day pass are also available.
Lounge Access Eligibility
Cabin Class: Complimentary for Suites, First, and Business Class passengers. Premium Economy and Economy travellers do not have access unless they hold eligible status.
Frequent Flyer Status: PPS Club and KrisFlyer Elite Gold (or Star Alliance Gold) members have access regardless of cabin class.
The Next Segment Rule: Eligibility is based on the flight immediately departing that airport.