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.

Check-In Timing

AirlineThai Airways (TG)
Check-In Opens24 hours before departure
Check-In Closes1 hour before departure
Check-In URLhttps://www.thaiairways.com/en-th/content/check-in/
Mobile AppThai Airways app (iOS, Android)
Mobile Boarding PassYes
Airport KioskYes

Step-by-Step Check-In Guide

1. Visit thaiairways.com/en-th/content/check-in/ or open the THAI mobile app. 2. Enter your Booking Reference, Ticket Number, or Royal Orchid Plus Number along with your Last Name. 3. Select the passengers you wish to check in. 4. Choose or confirm your seat assignment. 5. Complete the check-in process and download or print your boarding pass. 6. 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.

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