Until the matter is resolved, travellers will have to get their tickets direct from SIA or through online travel portals that are not part of the protest.

The boycott, which started yesterday, comes two months after SIA and other major carriers, including Lufthansa and British Airways, stopped paying travel agents a 5 per cent commission on the base fare.

Read Karamjit Kaur's full story in Tuesday's edition of The Straits Times.