Please be informed that system maintenance will be occurred during 07 NOV 2017 at 19.00-22.00GMT (08 NOV 2017 at 02.00-05.00 Bangkok time).
Online booking during this period could be done but ticket will be issued later. These services which are pre-order meals, Excess baggage, Air award and Upgrade Awards on Star Alliance Airlines will be unavailable.

THAI apologize for any inconvenience this may cause.

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Enjoy the convenience and ease of internet check-in for THAI/THAI Smile operated flights. Check-in can be made from 2 to 24 hours prior to scheduled flight departure at all THAI/THAI Smile check-in online stations. THAI/THAI Smile reserves the right to deny boarding if passenger's travel documents are not complete. More information is available at FAQ.