Originally Posted by
TrishBOS
Ok - here's my question - I have US and Irish dual citizenship (only recently got my first Irish passport) I am going to Ireland to visit my brother. I get it that I should use my Irish passport at Immigration upon arrival in DUB and my US passport upon arrival in the US. However, what about at the ticket counters? When I check in, they will ask to see my passport. Which one do I show?
When you check in leaving the US, you use your US passport. When you check in returning to the US, you also use your US passport.