Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Alice Springs to Bangkok as you normally would.
Located just 11.9 km from the city centre, Alice Springs is the airport most travellers will use when flying to Bangkok from Alice Springs. Booking flights from Alice Springs (ASP) to Bangkok should be relatively easy as there are 0 daily outbound flights to Bangkok from 2 different airlines.
Due to the rapidly changing circumstances due to COVID-19, airlines like Singapore Airlines and Qantas Airways flying from Alice Springs to Bangkok have implemented new flexible cancellation policies.