It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
Unlike at midday, when flights are generally more expensive, you can save up to 22% on flights from Bangkok to Wellington by exploring options for tickets in the afternoon.
You can imagine temperatures to be in the 36 °C range in April. The weather in Wellington is generally colder than Bangkok's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.
Due to the rapidly changing circumstances due to COVID-19, airlines like Qantas Airways and Singapore Airlines flying from Bangkok to Wellington have implemented new flexible cancellation policies.