THAI Smile

As a Royal Orchid Plus member you earn miles with eligible paid fares on all flights operated by THAI Smile. Miles earned on THAI Smile flights are also Qualifying Miles that count towards Royal Orchid Plus tier status.

When purchasing a ticket directly from THAI Smile, or an authorized THAI Smile travel agent, as the operating carrier all flights will begin with WE followed by a 3 digit flight number.

When purchasing a ticket for travel with THAI Smile from THAI, or an authorized THAI travel agent, as the marketing carrier all flight numbers will begin with TG followed by a 4 digit flight number.

New Mileage Accrual with THAI Smile: For flights flown with THAI Smile from 01 October 2018 onwards booking classes of THAI and THAI Smile are aligned. Whether you book and ticket with THAI on a TG 4 digit marketing flight, or with THAI Smile on a WE 3 digit flight, you will earn the same Royal Orchid Plus miles depending on the booking class as per the chart below.

Booking Classes not eligible for accrual: O, I, X, E, N, R

*G class earns 50% of actual miles flown on international TG 4 digit marketing flights only. On WE 3 digit flights G class is ineligible to earn miles.

** For flights taken before 1 October 2018, click here for the old mileage accrual charts **

Reservations with THAI Smile can be conveniently made at:

  • Smile Contact Center 1181 or Tel: +66 (0) 2 118 8888 

  • THAI Contact Center Tel: +66(0)2 356 1111
  • THAI reservations worldwide
REDEEMING MILES: Royal Orchid Plus members can redeem air awards on THAI Smile operated flights, using the THAI Award Chart. For more information and reservations, please visit 
Or contact:
  • THAI Contact Center (Bangkok) Tel 02 356 1111
  • THAI reservations worldwide
•    Additional baggage allowance by weight: Platinum and Gold 20 kg, Silver 10 kg
•    Complimentary airport lounge access at THAI Smile branded lounges and THAI Royal Orchid Lounges is provided to Platinum and Gold members,with up to one accompanying guest.
For complete and up to date information on THAI Smile routes and more visit