You always need a passport to enter another country
Yes, a passport is required to travel to Cancun in 2016.
If entering Mexico via airplane, yes.
No, it is not possible to fly from Tijuana to Cancun without a passport. A valid passport is required for all international flights within Mexico.
Yes, you need your passport.
yes you do. you need a passport to fly anywhere outside of the United States.
Of course, if you get some sun. Cancun is in the "tropics".
No, unless you are stopping at the US.
Cancun is IN Mexico.
Cancun is in Mexico, not in New Mexico.
Cancun,mexico
Yes, you need a valid passport to travel to Cancun by air.