Bangladesh Premier Sheikh Hasina was accorded a warm welcome upon her arrival at the Government House, the Thai premier's office
After her meeting with the Executive Committee at a Dhaka hotel on Saturday, Vice-Chairmen Barkatullah Bulu and Mir Nasir announced the planned tour of Khaleda.
They told reporters that the former prime minister would take the trip to Sylhet to offer prayers at the shrines on Monday.
Awami League chief Prime Minister Sheikh Hasina and Jatiya Party Chairman HM Ershad started their election campaigns by visiting the shrines on Jan 30 and Feb 1 respectively.
The next general election is scheduled to be held by the end of this year.
Khaleda visited Sylhet for the last time in October 2013, before the 10th parliamentary elections.
She had addressed a rally at Alia Madrasa ground during the trip.