Yes, there are multiple flights from Hong Kong to St Maarten for under HK$17,106. The cheapest flight booked recently is on KLM for just HK$16,539, but on average you can expect to pay HK$18,389.
There are no direct flights from Hong Kong to St Maarten, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
Departing from Hong Kong to St Maarten will take you 29h 20m. Both multi-stop and direct flights can be found to your destination and back.
According to our current data, KLM (HK$16,539), and Qatar Airways (HK$19,144) offers the cheapest pricing from Hong Kong to St Maarten.