Originally Posted by
rickschoppers
I have traveled many times between the US and Thailand. Sometimes with no visa, sometimes with a 60 day tourist visa and other times with a one year Non-Immigrant O visa. None of these times have I ever been question about my flight home. My last 16 month stint in Thailand, I did not even have a return ticket.
Maybe the US is a little more lenient than other countries in this respect, but truthfully the airlines does not know what your overall travel plans are after you arrive in BKK. I definitely would not ask the airlines anything as well since they may tell you the most conservative answer.
I would say, if you are leaving from the US, go for it.