Yes, there are multiple flights from Bangkok to Comoros for under ฿ 56,800. The cheapest flight booked recently is on เอธิโอเปียแอร์ for just ฿ 53,871, but on average you can expect to pay ฿ 54,050.
There are no direct flights from Bangkok to Comoros, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
For as low as ฿ 53,871, เอธิโอเปียแอร์ can have you in Comoros from Bangkok in 17h 05m.
Flying on เอธิโอเปียแอร์ is currently your cheapest option to Comoros, with prices starting at ฿ 53,871.