Thai Airways has launched a promotion with Union Card on its website, offering discounted airfares from the Chinese mainland to Bangkok if Union Card users book the tickets online no later than Sep 25. One-way tickets from Beijing to Bangkok are priced from 1,910 yuan ($300) up, and a flight from Guangzhou will cost as little as 1,320 yuan.

Details on www.thaiairways.com.cn.

All Hong Kong Airlines Fortune Wing Miles members can earn double or even triple miles by flying in eligible classes between Hong Kong and London by the end of August. There is no limit to number of miles a member can earn during this promotion period, but this offer cannot be used in conjunction with any other promotion.

More information on www.hongkongairlines.com

A traveler who books a China Southern Airlines flight ticket from Beijing to Istanbul via Urumqi by the end of November can travel for as little as 3,700 yuan ($580) for a round-trip. The traveler has to stay in Istanbul for at least three days, and the travel date has to be before Dec 30. Check more information on www.csair.com.