I'm planning fly to bkk in Feb, get the 60 day stamp, after about 4/5 weeks, do 2 in Vietnam, return to fly out of bkk. all within the 60 days.
can u do this (leave an rtn to bkk) on the 60 day stamp, or do I need something else?
thanks in advance!
TLDR : Answer Summary
You can indeed leave Thailand and return on a 60-day stamp without needing a visa. Each entry into Thailand under the visa exemption policy grants you a new 60-day stay. Therefore, you can travel to Vietnam for a few days and re-enter Thailand with a new stamp valid for another 60 days.