Etihad Airways will launch a fourth daily service to Bangkok on July 1.
The Gulf airline will operate the new frequency with a B777-300ER aircraft.
Outbound service EY406 will depart Abu Dhabi at 2330 and land in Bangkok at 0910 the next day, wtih return service EY405 leaving Thailand at 1820 and arriving in Abu Dhabi at 2200.
Kevin Knight, Etihad's chief strategy and planning officer, said: "Bangkok is one of the most popular destinations in our global network. The route has strong year-round demand and attracts guests from across the UAE, GCC, Middle East, Africa and Europe.
"The new service, with its attractive timing and convenient two-way connections, will make ours a more competitive and attractive offering for business travellers and holidaymakers to Thailand, as well as travellers based in Thailand."
Etihad first flew to Bangkok in 2004 and added a second daily service in 2006 and a third in 2012.
Earlier this month, the carrier announced it will introduce a B787-9 Dreamliner on to its Abu Dhabi-Singapore route from August 1 (see news, May 7).