everyone flying into the US needs a passport
None needed to travel within the US.
A passport is not needed to fly from one US state to another. However, you will need a photo ID of some sort to board the plane.
Yes you do, if you plan to fly. And aren't a US citizen.
Chicago, no Shaker Heights, yes
No
Hawaii is a US state - if you don't need a passport to go to Nevada or Michigan, you don't need a passport to go to Hawaii.
Yes, you need a passport to fly internationally.
Yes, you need a passport to fly internationally.
Yes, you need a passport to fly out of Tijuana.
Yes, babies need a passport to fly internationally.
You do not need a passport to fly to another state in the US You DO need a passport to travel anywhere out of the US ie Mexico, Canada ect...
Yes. You need a passport to fly anywhere.