Singapore Airlines is expected to cut up to 19 flights to Bangkok next week due to on-going political protests against the Thai government.
As Thailand braces for a Black Monday shutdown of Bangkok, other airlines are also assessing their services to the Thai capital.
Protestors have threatened to "shutdown" Bangkok on January 13, blocking all main roads in the capital.
SIA blamed a drop in bookings for its decision to cut back schedules from January 14 to February 25.
It confirmed to the Straits Times that it has informed affected customers, who will be given refunds or put on other flights.
Thai Airways said there are no cancellations on any routes from Bangkok, but it has extended check-in time on January 13 to four hours instead of two hours for Bangkok departures.
TTR Weekly says flights to Phuket are busy and hotels report they are benefitting as travellers book a beach holiday rather than risk staying in Bangkok.
Thailand’s Ministry of Tourism and Sports expects tourist arrivals will drop between 10% and 12% in 2014 due to the prolonged political demonstrations.
