HK Express online check-in
Flying with HK Express? 1Checkin checks you in on HK Express flights (IATA code UO) as soon as online check-in opens and emails you the boarding pass, so you don't have to watch the clock.
We have been checking passengers in on HK Express since 2019: more than 520 completed check-ins so far.
When does HK Express check-in open?
Online check-in for HK Express opens 48 hours before departure.
Seat selection on HK Express
HK Express lets you choose a seat for free at online check-in. 1Checkin picks a seat that matches your saved preference (window, aisle, front of the cabin).
1Checkin has checked passengers in on HK Express flights departing from Bangkok (BKK), Nha Trang (CXR), Da Nang (DAD), Hong Kong (HKG), Phuket (HKT), Tokyo (HND), Seoul (ICN) and Tokyo (NRT), plus 2 more airports.
HK Express check-in FAQ
How does automatic check-in for HK Express work?
Forward your HK Express booking confirmation to 1Checkin or add the booking in the app. We check you in as soon as online check-in opens and send the boarding pass to your e-mail.
When does HK Express online check-in open?
Online check-in for HK Express opens 48 hours before departure.
Can I choose my seat on HK Express?
HK Express lets you choose a seat for free at online check-in. 1Checkin picks a seat that matches your saved preference (window, aisle, front of the cabin).
How it works
- Forward your booking confirmation to 1Checkin, or add the booking reference in the app.
- 1Checkin checks you in on HK Express the second online check-in opens.
- Your boarding pass lands in the app, ready for the airport, even offline.