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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THAI Standby Upgrades

Experience THAI’s Royal Silk Business Class or even Royal First Class with a ‘Standby Upgrade Surcharge’ available at airports across the network.


Standby upgrades surcharges are only available on THAI operated flights and can be arranged at the airport check-in counter prior to each flight.
Upgrades are strictly subject to both seat and catering availability, quoted per sector in local currency or US Dollars (then converted to local currency for payment).

Passengers can upgrade from Economy to Royal Silk Class or Royal Silk Class to Royal First Class.

Upgrade surcharges cannot be pre-booked and are only available for sale at the airport check-in counter before each flight sector.


Enquire at check-in for the latest rates and information or contact THAI:
Tel: +44 (0) 207 491 7953 Email: reservations@thaiairways.co.uk

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