Yes, there are multiple flights from Thailand to Kahului for under ฿31,368. The cheapest flight booked recently is on United Airlines for just ฿29,455, but on average you can expect to pay ฿64,117.
There are no direct flights from Thailand to Kahului, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
Looking at all options, your cheapest flight can be booked for ฿19,756. While the most popular route (Bangkok Suvarnabhumi - Kahului) can be booked for ฿45,735 on average our data indicates ฿60,959 when flying from Thailand to Kahului
For as low as ฿29,455, United Airlines can have you in Kahului from Thailand in 25h 12m. Both multi-stop and direct flights can be found to your destination and back.
According to our current data, United Airlines (฿29,455), Qatar Airways (฿47,586), and Singapore Airlines (฿92,223) offers the cheapest pricing from Thailand to Kahului.