Yes, US citizens need a valid passport book to fly to Cabo San Lucas, because Mexico is a foreign country and airlines check your passport at boarding. A passport card is not valid for air travel to Mexico, and you do not need a visa for a tourist stay.
If you are asking do you need a passport for Cabo, the rules depend on how you arrive. Flying needs a passport book. Driving or crossing by land has other document options, and cruise passengers face a different rule again. On top of the passport, Mexico issues a tourist permit called the FMM, and your airline or cruise line may add its own requirements. This guide explains what US citizens need by air and by cruise, how the tourist permit works, how long your passport should be valid, what children and green card holders need, and which mistakes cause problems at the airport. The facts come from a Cabo Sailing guide whose page is labeled 2026 but carries no exact date, a Cabo Adventures article published on 11 August 2025 and modified on 25 October 2025, and a Mexperience entry guide with a 2026 copyright and no update date. All are commercial or secondary sources, and they disagree on a few points, which we flag. Confirm your plan with your airline, the State Department and Mexico’s immigration institute before you travel. For the full passport process, start with our US passport guide.
Do You Need a Passport for Cabo?
Yes, if you fly. Cabo Sailing says you need a valid passport to visit Cabo San Lucas, and Cabo Adventures quotes the State Department as saying US citizens must present a valid passport book at entry to Mexico by air.
The table shows the rule by travel method, as described by the sources.
If you are unsure, carry the passport book.
Do You Need a Visa for Cabo?
No, US citizens do not need a visa for tourism in Mexico. Both Cabo Sailing and Cabo Adventures say US citizens can enter without one.
Instead, you receive a tourist permit called the FMM. Cabo Sailing says US citizens can stay up to 180 days, and Cabo Adventures says the permit allows stays of up to 180 days, though exceptions apply and the stay may vary. Mexperience says the immigration officer sets the stay, which is a maximum of 180 days and may be less, and that you should check the number of days written on your permit. It also says the permit cannot be extended beyond the days granted and cannot be renewed. Plan your exit date from the permit, not from a general rule. Our difference in visa and passport guide explains why a passport and an entry permit are separate things.
What Is the FMM Tourist Permit?
The FMM is Mexico’s tourist permit, and for air arrivals it is usually processed automatically. Land arrivals work differently.
Cabo Sailing says the digital form for air arrivals is processed on arrival and can be downloaded afterward from the official immigration portal, while land arrivals must get the FMM online, print it and show it at the border. Cabo Adventures says the airline usually includes the fee in the ticket price, and drivers get the permit at an immigration booth or print it in advance. Mexperience says cruise passengers complete an FMM at the first Mexican port of call, valid for a maximum of 21 days, and tells readers to ask the cruise company for details. Keep your copy, because you may be asked to show it when you leave. The sources describe the process slightly differently, so check the immigration institute’s page for current steps.
How Long Must Your Passport Be Valid?
The sources disagree: one says there is no six-month rule, another recommends six months. Check your airline’s policy.
Cabo Sailing says there is no six-month rule in Mexico and that a passport only needs to be valid for the stay, but also says some airlines apply their own rules. Mexperience recommends a passport valid for at least six months regardless of country of origin, and adds that an officer might admit a traveler with a shorter validity on a short trip, especially with a return ticket. Given the disagreement, the safest plan is to renew early if your passport has under six months left. Our passport 6 month rule guide explains which countries check this, and our passport renewal guide explains how to renew.
Do Children Need a Passport for Cabo?
Yes, children who fly need their own passport book. Cabo Adventures says every child flying to Cabo needs one.
For land and closed-loop cruise travel, the same article says children under 16 can enter the US with an original or certified birth certificate, and teens 16 to 18 need that certificate plus government photo ID. It adds that each minor needs their own FMM when entering Mexico. Cabo Sailing says foreign minors traveling alone or with a third party generally do not need a parental authorization letter to enter as visitors, but some airlines require extra forms for unaccompanied minors or children traveling with one parent. Mexperience links to a separate guide on minors traveling without a parent and does not summarize it. Ask your airline about its rules for solo parents and unaccompanied children. For your child’s application, see our passport application guide.
Do Green Card Holders Need a Passport for Cabo?
Yes, a green card holder needs a valid passport from their country of citizenship, and should check Mexico’s rules. Cabo Sailing says some holders of a valid US permanent resident card can enter Mexico for tourism without a visa, provided they also hold a valid passport from their nationality.
It advises confirming the current requirement with a Mexican consulate, which is wise, because entry rules for permanent residents depend on nationality. Bring your green card with your passport. When you return to the US, you will need both.
Do Cruise Passengers Need a Passport for Cabo?
A passport book is recommended for all cruises that call at Cabo, and it is required on one-way cruises. Rules differ by cruise line.
Cabo Adventures says open-loop cruises with different start and end ports require a passport book, while closed-loop cruises from a US port can use a birth certificate plus government photo ID, though a passport book is advised in case you must fly home unexpectedly. Cabo Sailing says a valid passport is recommended and some cruise lines accept a passport card. For port visits, it says no visa or consular stamp is generally needed. If you miss the ship in Cabo, you will need a passport to fly home. Our places to travel without a passport guide explains cruise ID rules for US trips.
What Do You Need to Return to the US?
US citizens flying home need a passport book. The same book that got you into Mexico gets you back.
The State Department rule quoted by Cabo Adventures applies to air entry to Mexico, and the same passport book is used for air re-entry to the US. A passport card works for returning by land or sea but not by air, according to the sources. If your passport is lost in Cabo, contact the US consulate. Our lost passport replacement guide explains the process, and our expedited passport guide covers faster options before a trip. If you need your first passport in a hurry, our how long does it take to get a passport guide gives realistic timelines.
Can You Fly to Cabo Without a Passport?
No. An airline will not board you for an international flight without a passport book. A driver’s license, birth certificate or passport card does not replace it.
Cabo Adventures notes that some airlines may ask for more than the legal minimum, and that there is no official confirmation that Mexican authorities require proof of return tickets. Even so, many airlines check for a return ticket, so carry a copy. If your passport has expired or is damaged, our what is considered a damaged passport guide explains when a replacement is needed.
What Should You Check Before You Book?
Check your passport book, its expiry date, each traveler’s name and your airline’s own rules. Do this before you pay for flights.
Look at the expiry date first, because the sources disagree on how much validity Mexico expects and some airlines apply stricter rules. Make sure the name on the ticket matches the passport exactly. If your name changed, our passport name change guide explains the forms. Check whether your airline includes the tourist permit fee in the ticket, as Cabo Adventures says most do. Keep a photo of the passport page on your phone and a paper copy in a separate bag. If any traveler lacks a passport, apply early rather than hoping for a fast turnaround. Peak travel seasons can slow processing, and a missed flight can cost more than the application.
How Do You Spot a Cabo Travel Document Scam?
No website can sell you a special permit for Cabo, and no service replaces a passport. Be careful with offers.
Be careful when a website or agent:
- Charges a high fee for an “FMM” that your airline already includes.
- Sells a “Mexico entry pass” or “tourist visa.”
- Claims a passport card works for flights.
- Asks you to pay a personal account.
- Asks for your passport number on a non-official page.
Use the immigration institute, the State Department and your airline for official rules.
What Mistakes Cause Problems?
Bringing only a passport card, ignoring airline rules and letting a passport run short cause most problems. Check each point first.
- Packing a passport card for a flight.
- Booking a one-way cruise without a passport book.
- Assuming a child can travel without a passport.
- Overstaying the days on your FMM.
- Losing the FMM copy.
- Travelling with a passport that is close to expiry.
- Skipping the airline’s rules for unaccompanied minors.
- Trusting a commercial site instead of official pages.
When unsure, carry the passport book and call your airline. For related topics, see our passport name change guide.
FAQs
Do you need a passport for Cabo by plane?
Yes. You need a valid passport book. A passport card is not valid for air travel to Mexico.
Do you need a visa for Cabo?
No. US citizens get a tourist permit, the FMM, and can stay up to 180 days at most.
Do kids need a passport for Cabo?
Yes, for flights. Every child needs their own passport book.
Can I use a passport card for a Cabo cruise?
Some cruise lines accept it, but a passport book is recommended. Check your cruise line.
How long should my passport be valid?
Sources disagree. One says only for the stay, another recommends six months. Check your airline.
Do green card holders need a passport for Cabo?
Yes, a passport from their country of citizenship, and they should confirm with a Mexican consulate.
Conclusion
Do you need a passport for Cabo? If you fly, yes: a valid passport book is required, and a passport card does not work. You do not need a visa, but you will receive a tourist permit, the FMM, for up to 180 days. Children need their own passports, green card holders need a passport from their nationality, and cruise rules depend on the cruise line. Renew early if your passport is near expiry, and confirm the rules with your airline and the immigration institute.
