Mexican immigration authorities, in coordination with international airlines, have reinforced entry regulations regarding passport validity across major transit hubs, including the airports in Querétaro, Puebla, Toluca, and Ciudad Juárez. Travelers attempting to enter the country with an expired passport—or one that fails to remain fully active and valid throughout the duration of their stay—face strict denial of entry.
While Mexico does not enforce a universal six-month passport validity rule for all inbound foreign visitors, officials strictly require that travel documents remain unexpired and fully active during the entire itinerary. The enforcement of these rules is largely managed prior to arrival; commercial airlines verify travel documentation during the boarding process in the passenger’s country of origin, denying boarding to anyone presenting irregular or expired papers.
Passengers flagged by the National Migration Institute (INM) upon arrival or during pre-boarding checks risk facing exhaustive administrative interviews, temporary detention, immediate deportation, and the loss of connecting flights or lodging reservations.
Authorities advise international travelers planning to enter Mexico through these key regional terminals to thoroughly check the status and expiration dates of their identification documents well in advance of their trip to prevent costly delays, cancelled itineraries, and denied entry at border checkpoints.
Source: https://www.cronista.com
