Hello everyone, I have an Australian passport and a Chilean passport. I am currently in Vietnam using my Australian passport, but I want to fly to Thailand soon andusemy Chilean passport. Not theAustralian one. Can I fly out of Vietam with my Australian passportand fly into Thailand with my Chilean passort? This will allowme to haveninety days stay in Thailand without needing to apply for a visa. Will this cause any hassles? Thank You to all who can help.