Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kuala Lumpur to Tegucigalpa as you normally would.
Located just 4.5 km from the city centre, Tegucigalpa Toncontin is the airport most travellers will use when flying to Tegucigalpa from Kuala Lumpur. Booking flights from Kuala Lumpur to Toncontin (TGU) should be relatively easy as there are 0 daily inbound flights from Kuala Lumpur from 0 different airlines.