Yes. If you are have been already admitted into the United States, all you need for domestic travel is your passport.
Yes, it is.
Yes, you do not need a passport to fly within Mexico if you are a Mexican citizen. However, if you are a foreigner, you will need a valid passport to travel within Mexico.
fly
you can be any age
Yes, if you have an Irish one.
About five hours.
No , you do not need a passport unless you are leaving the US.
it takes about 5 hours to 5 and 1/2 hours to fly from Florida to California
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.
If coming from the US, Canada, Europe or Japan, all you need is you passport. Otherwise, you will also need a visa issued by the Mexican government.
No, you cannot fly with an expired passport.
No, you cannot fly with an expired passport. It is important to have a valid passport when traveling internationally.