Yes, there are multiple flights from Thailand to Okayama for under ฿ 11,973. The cheapest flight booked recently is on Hong Kong Airlines for just ฿ 9,548, but on average you can expect to pay ฿ 21,013.
Hong Kong Airlines is one of the carriers that may have flexible change policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
There are no direct flights from Thailand to Okayama, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
Direct flights are available for this route on the following days: Monday.
A quick flight from Thailand to Okayama can take about 9h 55m. ANA provides one of the quickest options available for as low as ฿ 19,008. Both multi-stop and direct flights can be found to your destination and back.
Cheapflights users have booked flights from Thailand to Okayama from ฿ 9,549 return. Another airline that can offer you cheap pricing is ANA.