New – Mileage Upgrades on THAI Domestic Flights

You can now enjoy upgraded travel using Royal Orchid Plus miles from Economy Class to Royal Silk Class on THAI operated flights within Thailand, between Bangkok and Chiang Mai, Phuket, Krabi and Samui.

Each Mileage Upgrade is valid for one sector travel at just 2,500 miles, or you can upgrade roundtrip travel at just 5,000 miles.

After Economy Class ticket purchase, in an eligible booking class, Mileage Upgrade on THAI domestic flights can be requested by contacting THAI reservations worldwide, or the THAI Contact Center in Bangkok at 02 356 1111

Enjoy all the extras and comfort of domestic travel in Royal Silk Class from just 2,500 Royal Orchid Plus miles, smooth as silk with THAI.

Terms and Conditions:

Eligible booking classes for Domestic Mileage Upgrades are Y,B,M,H,Q,K,T,S,G,V,W. Due to ticket restrictions some promotional fares in these booking classes may not be eligible for upgrading. Prior to purchasing with THAI or a travel agent inquire if the booking class is eligible for upgrading. When purchasing online with THAI check Purchase Conditions prior to completing payment. Valid on THAI operated domestic flights only, TG followed by 3 digit flight numbers, and upgraded travel is subject to seat availability. Royal Orchid Plus terms and conditions apply.