Yes, there are multiple flights from Bangkok to Pasco for under ฿ 35,874. The cheapest flight booked recently is on United Airlines for just ฿ 35,784, but on average you can expect to pay ฿ 45,261.
There are no direct flights from Bangkok to Pasco, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
You can imagine temperatures to be in the 36 °C range in April. The weather in Pasco 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.
United Airlines and KLM can get you from Bangkok to Pasco in just under 22h 24m. Your travel time can differ by up to 6h 09m. This flight may include one or multiple stops.
According to our current data, United Airlines (฿ 35,785), and KLM (฿ 51,898) offers the cheapest pricing from Bangkok to Pasco.