do I need a passport if I am going to travel from mexico to mexico?

As of March 10th foreigners need a passport to go beyond the border zone

You will not be given the required FMT at the border or at the airport as of March 10th 2010.

Because Tijuana is in the border zone , technically it is an international flight for foreigners.

You dont decide for a passport to commute by applying land till June a million, 09. you will purely decide to your delivery certificates and an identity. Thats all. Have a robust holiday. Oh and you are able to decide for a enable to your vehicle.

Maybe, even though in domestic travels there is not a inmigration office, to get your boarding pass the company will request you to show an ID, so may show it.

Passports are for international travel, not domestic.

if u not mexican ciziten or don't have a mexican valid id u will need a passport of usa becuase its a way to id you on mexican soil u have valid mexican id u will need only a id to travel not a passport