- Vision Awards Social Responsibility Sector Platinum Awards, 3 consecutive years
- Agency: League of American Communications(LACP)
- Award date: Feb 2016
- 2015 ASQ Best Airport in Asia-Pacific 11 consecutive years/Best Large Airport (over 400 million passengers)/Best Asia-Pacific Airport Facility/Special Recognition Award
- Agency: Airports Council International (ACI)
- Award date: Feb 2016
- 2015 US Business Traveler Award World Best Airport Duty-Free Shop Award, 6 consecutive years
- Agency: US Business Traveler
- Award date: Mar 2016
- 2016 Air Cargo Excellence Award Outstanding Cargo Airport Award in Asia
- Agency: Air Cargo World
- Award date: Mar 2016
- 2016 World Airport 5-Star Airport/4 consecutive year Best Transfer Airport Award/Best Employee Service Award (Global)/Best Employee Service Award (Asia)
- Agency: Sky Tracks
- Award date: Mar 2016
- 2016 FAB Awards Marketing and Promotion Campaign Section Award, Outstanding Award as Innovation of the Year
- Agency: Moodie Report & Foodie Report
- Award date: June 2016
- 2016 Asia-Pacific Business Traveler Award World Best Airport Duty-Free Shop, 6 consecutive years
- Agency: Asia-Pacific Business Traveler
- Award date: Sept 2016
- KSI Public Corporation (Ministry of Transportation) Section 1st Place, 7 consecutive years, Outstanding Sustainable Potential Report Award (KRCA)
- Agency: Korean Standards Association
- Award date: Sept 2016
- 2016 Korea Chamber of Commerce and Industry·Forbes Social Contribution Grand Prize – Global Contribution Section 1st Place
- Agency: Korea Chamber of Commerce and Industry, JoongAng Ilbo
- Award date: Sept 2016
- 2016 BIM AWARDS Ministry of Land, Infrastructure and Transport Award (Grand Prize)
- Agency: Building Smart Association, Korea Institute of Civil Engineering and Building Technology
- Award date: Sept 2016
- 2016 TTG Travel Award Best Airport Award, 4 consecutive years
- Agency: Travel Trade Gazette(TTG)
- Award date: Sept 2016
- The 3rd 3.0 Government Citizen Experience Expo Ministry of Government Administration and Home Affairs Ministerial Medal (3.0 Government Meritorious Agency)
- Agency: Ministry of Government Administration and Home Affairs
- Award date: Nov 2016
- 2016 US Business Traveler World Best Airport Duty-Free Shop Award, 7 consecutive years
- Agency:: US Business Traveler
- Award date: Nov 2016
- 2016 Korea Good Business Transportation Sector 1st Place, 3 consecutive years
- Agency: Korean Standards Association
- Award date: Nov 2016
- 2016 Global Standard Management Awards Sustainable Potential Report Award Public Sector Grand Prize, 4 consecutive years
- Agency: Korea Management Association, Korea Management Association Certification
- Award date: Nov 2016
- 2016 Korea’s Management Grand Prize for Customer Value, Outstanding Business, 3 consecutive years
- Agency: Korea Management Association Consultation
- Award date: Dec 2016