Can I use online check-in if I upgraded my travel using Royal Orchid Plus miles?

No, online check-in cannot be used with upgraded travel using Royal Orchid Plus miles.

How early can I use the self-service kiosk?

You can check in at the kiosk from 12 hours prior to your scheduled departure time.

What if I cannot print my boarding pass?

If you cannot print your own boarding pass, please contact the THAI Internet Check-in counter at the respective airports for boarding pass issuance.

Thai Airways Online Check-In Guide (2026)

Thai Airways online check-in opens 24 hours before departure and closes 1 hour before departure. Passengers can check in via the website or mobile app using their booking reference, ticket number, or Royal Orchid Plus number.

Page updated: August 2026

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Check-In Timing

Airline	Thai Airways (TG)
Check-In Opens	24 hours before departure
Check-In Closes	1 hour before departure
Check-In URL	https://www.thaiairways.com/en-th/content/check-in/
Mobile App	Thai Airways app (iOS, Android)
Mobile Boarding Pass	Yes
Airport Kiosk	Yes

Step-by-Step Check-In Guide

Visit thaiairways.com/en-th/content/check-in/ or open the THAI mobile app
Enter your Booking Reference, Ticket Number, or Royal Orchid Plus Number along with your Last Name
Select the passengers you wish to check in
Choose or confirm your seat assignment
Complete the check-in process and download or print your boarding pass
Drop off any checked baggage at the self-bag drop or counter at the airport

Documents Needed

Booking Reference (PNR), Ticket Number, or Royal Orchid Plus Number; Last Name; Passport for international flights; Visa and health certificates if required.

Seat Selection

Passengers can select their preferred seats during online check-in. Preferred seats with extra comfort and better views may be available for selection or purchase.

International Check-In Rules

THAI reserves the right to deny boarding if a passenger's travel documents are not complete. Passport, visa, and health certificates (if applicable) must be presented. The check-in counter closes 50 minutes before departure for international flights.

Group Check-In

Internet Check-in supports multi-passenger check-in (from the same and different PNRs), allowing passengers to select which passengers are to be checked-in together.

Troubleshooting

1. 'Online Check-in cannot be used' - This occurs if you have upgraded your travel using Royal Orchid Plus miles; you must check in at the counter. 2. '[W12] Your booking cannot be checked in online' - This error means you must check in at the airport counter, often due to document verification needs. 3. 'Unable to log in to ROP' - Try resetting your password or contact support, as random logouts and password issues are sometimes reported.

Frequently Asked Questions

Can I use online check-in if I upgraded my travel using Royal Orchid Plus miles?: No, online check-in cannot be used with upgraded travel using Royal Orchid Plus miles.
How early can I use the self-service kiosk?: You can check in at the kiosk from 12 hours prior to your scheduled departure time.
What if I cannot print my boarding pass?: If you cannot print your own boarding pass, please contact the THAI Internet Check-in counter at the respective airports for boarding pass issuance.