Frontier Airlines operates out of Terminal 1 at Mexico City International Airport, one of the airport’s busiest terminals. Frontier Airlines MEX Terminal offers a wide range of services, including check-in desks, security checkpoints, dining options, and retail stores. Travelers flying Frontier should arrive early, as the airline enforces strict deadlines for check-in and boarding. Terminal 1 is well-marked with signs and staff assistance available. Passengers are encouraged to review baggage policies and flight details ahead of time for a hassle-free journey.

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