What document can I use to fly from US to Mexico?

I am a Mexican Citizen and a US Permanent Resident. I bought a round trip ticket because of a family member's death I only had to show Mexican ID and birth certificate to go there.
What will be sufficient ID for me to come back?
Best Answer
The USCIS or whatever they are called now say that a "foreign national or alien entering the U.S. is generally required to present a passport and valid visa ..., unless they are ... a lawful permanent resident of the U.S. or a citizen of Canada."
That's the theory. The more difficult part will be to convince the airline representative to let you check in. In my experience they are very strict about proper documents, because the airline will be fined and has to find a seat for anyone who gets refused at the border. But maybe in Mexico they are used to people travelling on Green Cards.
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What documents does a US citizen need to fly within Mexico?
Traveling within Mexico- Passport;
- Voter ID;
- Driver's license;
- Professional identification; or,
- Consular registration certificate.
What forms do I need to fill out flying into Mexico?
Delta and Aerom\xe9xico customers traveling to Mexico can ease their arrival and entry process into Mexico by visiting the Mexican government portal at www.inm.gob.mx/fmme to complete the Forma Migratoria Multiple Electr\xf3nica (FMME), the entry immigration form all foreign citizens must complete to enter Mexico.Do I need any forms to travel to Mexico?
ALL foreign citizens traveling to Mexico MUST fill out an Official Entry Immigration Form (FMM) prior to their arrival to Mexico. To ease the immigration entry process now you can fill out the Immigration Form(s) in the comfort of your home or office.Can you board a plane to Mexico without a passport?
Flying Into/Out of MexicoUS citizens of any age flying to or from Mexico must have a US passport book, no exceptions. You should be aware that the US passport card cannot be used for international air travel. The Passport Card is designed for frequent travelers by land and sea to Mexico, Canada, and the Caribbean.Traveling to Mexico in 2022 | What To Expect | What Are The Current Travel Requirements
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