Only if leaving country
YES if you go to on an airplane. Even if you drive to cross the border you need one
a passport and a plane ticket
Yes.
No - you need a passport too.
You need a passport if you are going to travel outside of the country.
In the northwest states no in the whole world of course every time you travel by airplane internationally you need a passport
If entering Mexico via airplane, yes.
Yes, you do need your passport.
Yes, you need a passport to go on a cruise to Canada.
Do you need a passport to travel to Barcelona
does my passport need to be in date to go to belfast
Yes you do have to have a passport to go to Chile.