QUOTE(dr_lha @ Dec 23 2006, 05:29 PM)

Just to point out airlines do care about you having return tickets, depending on what visa you are on. As a non-resident alien for a long time, I pretty much always got asked by the person at the ticketing desk when I was leaving the US if I had a correct visa that would allow me to return to the US for example.
I would imagine with a K-1 you are allowed to have 1 one way ticket, as the purpose of the visa is to immigrate to the USA.
I read somewhere once (I don't know how true it is) that the airline that brought you to a country is responsible for returning you if the tickets and the visa aren't acceptable to immigration at the POE (e.g., a 30 day tourist and a one-way, how you getting out?? What if you blow your money?).
Thanks for all the responses. I believe from all the experiences posted that a one-way is OK. I just wonder how astute the airline counter people are with their visa knowledge and how they know not to scrutinize a K1. I guess they have seen quite a bit. I defnitely can see the POE knowing the deal, but I hope the airline counter doesn't give any problems. My Fiance is from Thailand and Thai people relatively aren't allowed to roam very freely, so we'll see what happens. Thanks again!