AAA says a lot of countries will not allow fliers to enter unless their passport is valid for at least six months.

That is unless your license is REAL ID compliant. Beginning May 7th, U.S. travelers must have a REAL ID or other acceptable form of identification to board domestic flights. “This may not be a ...

Domestic flight travelers will be required to have a Real ID seal on their identification card or driver's license beginning May 7, unless they choose to use an accepted alternative form of ID for ...