Korean Air Increases Guam Service From June 2025

NS25Skyteam
Written By Jim Liu

Published at 0200GMT 18APR25

Korean Air from June 2025 plans to expand service on Seoul Incheon – Guam route, as the carrier this week opened reservations for 2nd daily flight. KE423/424 service is scheduled to commence on 01JUN25 (Seoul departure), with 777-300 aircraft.

KE421 ICN0945 – 1515GUM 773 D
KE423 ICN1840 – 0010+1GUM 773 D

KE424 GUM0155 – 0540ICN 773 D
KE422 GUM1700 – 2045ICN 773 D

Jim Liu

Jim previously launched and ran Airlineroute between 2007 and 2020, now owns and runs AeroRoutes.

https://aeroroutes.com
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