If anyone is planning on flying to Savannakhet Airport from Bangkok in the near future,, make sure you get your Lao visa before travelling ๐๐sorry if this post is not appropriate.
TLDR : Answer Summary
If you're planning to travel from Bangkok to Savannakhet Airport, ensure you obtain your Lao visa prior to your trip. Note that although this information pertains to Lao visas, the discussion highlights a common requirement for travelers navigating between Thailand and Laos.