TETSA
TETSA buses are a transportation service that connects Terminals 1 and 2 of Mexico City International Airport.
They operate 365 days a year, from 5:00 a.m. to 1:00 a.m., and are located at Gate 7 of Terminal 1 and Gate 4 of Terminal 2.
The cost of the service is $25.00 pesos per person for a one-way trip between terminals, and payment is made in cash on the bus.