Air Seoul offers no UM service on domestic flights. Its international UM age ranges are Japan/China 5–11, Vietnam 5–13, Philippines 5–15, and Guam 5–18. The service costs adult fare plus USD 100 one way. Apply at least 24 hours ahead with contacts for departure and arrival guardians, and submit two application copies at check-in. Both airports require guardian handoff. Only Air Seoul-operated flights qualify, not other-carrier transfers. Call 1800-8100.
Travel guide
- First published
- Oct 17, 2026
Air Seoul Unaccompanied Minors: Different Ages by Destination, No Domestic UM
Japan/China ages 5–11, Vietnam 5–13, and separate rules for other routes.
Route-specific ages may determine whether a child can fly alone.
01
What we're seeing
The official UM table gives age, fee, deadline and procedure.
02
What we still don't know
Flight capacity and additional immigration documents were not checked.