Hi guys,

- I have Thai and American passports. When travel between these countries, I know that I should use Thai passport to enter Thailand and American Passport to enter the US.

- I am planning to travel to a couple other countries, in SE Asia and Europe (not all at the same time). I am not sure which passport I should use when travel to these countries (or if it matters). My American passport will be much more convenient, however, I am not sure if I should use it to travel to third countries since I did not use my American passport to enter Thailand (or to exit America in the first place).

Any suggestion/advice will be appreciated

--Thanks!!

I would suggest using the Thai passport to enter those countries where entry requirements are easier for Thais and the American one for entering those where the entry requirements are easier for Americans.

It's what my wife does with her Thai and British passports.

I have Thai and Australian passports, and am based in BKK.

My general rule of thumb is to use my Thai passport in Asia (ex Japan), as in most cases I don't need a visa (whereas I would for Indonesia and Vietnam if I used my Aussie one). For other places such as China and India who make just about everyone get a visa, it is still easier with a Thai passport as the visa application turnaround is usually much faster (and simpler!) for a Thai passport, if applying in Bangkok.

In stamp happy Asia, using the Thai passport is also economically effective. The Thai passport only costs 1000 baht to replace, my Australian passport costs nearly $200!

For most of the rest of the world, the Australian passport is the way to go given I get visa free entry where the Thai PP doesn't (with a few notable exeptions, Brazil for instance).

I suspect the Thai/US passport combo would be similar.

Edited January 17, 201016 yr by samran