- Vision Awards Social Responsibility Sector Platinum Awards, 4 consecutive years
- Agency: League of American Communications (LACP)
- Award date: Feb 2017
- 2017 World Airport Award Best Transfer Airport Award, 5 consecutive years
- Agency: Sky Tracks
- Award date: Mar 2017
- 2017 Air Cargo Excellence Award Outstanding Cargo Airport Award in Asia, 2 consecutive years
- Agency: Air Cargo World
- Award date: April 2017
- 2016 Public Agency Outstanding Example Award
- Agency: Ministry of Strategy and Finance
- Award date: April 2017
- 2017 FAB Awards Outstanding Customer Service Initiatives Sector Award
- Agency: Moodie Report & Foodie Report
- Award date: June 2017
- ARC Awards Outstanding Social Responsibility Sector Award
- Agency: MerComm
- Award date: Aug 2017
- 2017 TTG Travel Award Best Airport Award, 5 consecutive years)
- Agency : Travel Trade Gazette(TTG)
- Award date: Sept 2017
- 2017 Asia-Pacific Business Traveler Award World Best Airport Duty-Free Shop Award, 7 consecutive years
- Agency : Asia-Pacific Business Traveler
- Award date: Sept 2017
- 2016 ASQ Best Airport in Asia-Pacific 12 consecutive years/Best Large Airport (over 400 million passengers)/Best Asia-Pacific Airport Facility/Special Recognition Award
- Agency : Airports Council International (ACI)
- Award date: Oct 2017
- 2017 GSMA Grand Prize for Sustainable Management, 5 consecutive years
- Agency : Korea Management Certification
- Award date: Oct 2017
- 2017 Korea Good Business Transportation Sector 1st Place, 4 consecutive years
- Agency: Seoul University Institute of Management Research Korean Standards Association
- Award date: Nov 2017
- Ranked for the 4th consecutive year as the best company in Korea
- Agency: Korea Management Association Consulting(KMAC)
- Award date: Dec 2017
- 2017 Green World Awards National Initiative Gold Award
- Agency: The Green Organization
- Award date: Dec 2017
- Awarded for Service Innovation at 2017 Smart App Award
- Agency: Korea Internet Professionals Association (KIPFA)
- Award date: Dec 2017