Zone

Mileage Upgrades One way One sector

Economy Class
(Y, B, M)
to Royal
Silk Class

Economy Class
(H, Q, S,
T, K) to
Royal Silk
Class

Economy Class
(G, V, W)
to Royal
Silk Class

Economy Class
(Y, B, M,
H, Q, S,
T, K) to
Premium
Economy Class

Economy
Class
(G, V, W)
to
Premium
Economy
Class

Premium Economy Class (U)
to Royal
Silk Class

Royal Silk
Class
(C, D, J)
to Royal
First Class

1

Destinations up to 1,000 miles:
Between Bangkok and: Chittagong, Dhaka, Hanoi, Ho Chi Minh City,Kuala Lampur, Kunming, Penang, Phnom Penh, Singapore, Vientiane, Yangon

16,000
UYI1

20,000
UEI1

22,000
UGI1

12,000
UEL1

14,000
UGL1

15,000
UUI1

N / A

2

Destinations from 1,001 - 2,000 miles:
Between Bangkok and: Bandar Seri Begawan, Bangalore, Chennai, Chengdu, Colombo, Denpasar, Guangzhou, Hong Kong, Hyderabad, Jakarta, Kathmandu, Kolkata, Manila, Mumbai, New Delhi, Shanghai, Taipei, Xiamen

20,000
UYI2

25,000
UEI2

27,000
UGI2

17,000
UEL2

22,000
UGL2

19,000
UUI2

35,000
UCO2

3

Destinations from 2,001 - 3,600 miles:
Between Bangkok and: Beijing, Busan, Dubai, Fukuoka, Islamabad, Karachi, Kuwait, Lahore, Muscat, Nagoya, Osaka,Perth, Seoul, Tokyo

24,000
UYI3

30,000
UEI3

35,000
UGI3

20,000
UEL3

28,000
UGL3

22,000
UUI3

40,000
UCO3

4

Destinations from 3,601 - 4,800 miles:
Brisbane, Melbourne, Moscow, Sydney

28,000
(34,000)*
UYI4

35,000
(44,000)*
UEI4

40,000
(56,000)*
UGI4

23,000
UEL4

32,000
UGL4

25,000
UUI4

45,000
(52,000)*
UCO4

5

Destinations from 4,801 - 8,000 miles:
Between Bangkok and: Athens, Auckland, Copenhagen, Frankfurt, Johannesburg, London, Madrid, Milan, Munich, Paris, Rome, Stockholm, Zurich

32,000
(38,000)*
UYI5

40,000
(50,000)*
UEI5

50,000
(70,000)*
UGI5

25,000
UEL5

42,000
UGL5

28,000
UUI5

50,000
(58,000)*
UCO5

6

Destinations from 8,001 - 12,500 miles:
Between Bangkok and: Los Angeles

40,000
(46,000)*
UYI6

50,000
(58,000)*
UEI6

65,000
(81,000)*
UGI6

30,000
UEL6

52,000
UGL6

35,000
UUI6

60,000
(69,000)*
UCO6



* Beginning January 1, 2009 mileage requirements for Mileage Upgrade Award on THAI will increase on intercontinental flights in Zones 4-6