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If you’re planning to travel with just a carry-on, you’ll need to be up to speed with airline carry-on policies. Specifically, the various rules and regulations each carrier has for what you can and can’t “carry-on” to the plane. Each airline has different carry-on rules, so don’t just assume what works for one will work for all airlines.
If you are going to be flying Aeromexico, then here are the carry-on rules you need to be aware of.
Aeromexico Carry-On Size Rules and Bag Guidelines
Aeromexico allows one carry-on bag and one personal item onboard, with a maximum combined weight of 10 KG (22 lbs.), at no charge.
The personal item should fit under the seat in front of you, and the carry-on bag must be stowed in the overhead bin.
Aeromexico Personal Item Size and Fees
Personal items include a purse, briefcase, laptop, backpack, shopping bag or a similar sized item.
The following items may be brought onboard without counting toward your carry-on limit.
- Jackets or raincoats
- A bag with items bought in the duty-free area
- Rest items such as travel pillows and blankets
- Books
- Electronics such as cameras, computers, headphones, e-books, etc..
- Medical Devices
- Medications requiring a cold chain. They must be carried in an appropriate container and remain under your responsibility for the entire flight.

Aeromexico Carry-On Size Limits
Aeromexico size requirements for a carry-on are:
- Dimensions for carry-on baggage: max. 55 x 40 x 25 cm (21.5 x 15.7 x 10 in)
If you aren’t sure what size your carry-on is, Aeromexico typically provides “size check templates” located at their ticketing counters and some departure gates. But if you wait until you get to either of these locations and have an issue, it’s too late.
If the bag is too big or too heavy, you’re going to have to pay a fee, so it’s always better to know your bag size and the limitations in advance.
Aeromexico Carry-On Weight Limits
Aeromexico requires your carry-on bag and personal item to weigh less than 10 kg (22 lbs.) combined. However, they don’t weigh your carry-on items prior to boarding, so you’re generally not going to have a problem if it’s too heavy. The weight issue applies to checked baggage more than carry-on bags, since they weigh your checked bags when you check in for you flight.
Prohibited Items and Dangerous Goods
There are certain items that are considered dangerous and classified as hazardous material. Dangerous goods are prohibited from both your carry-on and checked bags on all flights. These rules are not specific to any airline and are mandated by the Federal Aviation Administration and European Aviation Safety Agency.
The list includes items such as aerosols, fireworks, matches, etc.… A complete list can be found on the FAA website, the TSA website, and/or the EASA website.
Aeromexico Restricted items for Carry-on
Before you board your flight, check the guidelines for the following items:
- Any size rechargeable and non-rechargeable lithium or lithium-ion batteries. These may also be found in some MacBook Pro 15 models. Click here to check if your MacBook Pro has this issue:
- Liquid-battery-powered wheelchairs.
- Electric and gas lighters
- Smart Bags that are checked at the counter and at the gate with removable batteries will be allowed on board, so long as the passenger removes the battery and carries it on their person. It is the passenger’s responsibility to remove the battery.
Additional restricted items can be found here.
Carry-On Liquids: AeroMexico Liquids Policy
The rules for carry-on liquids are set by the TSA, EASA and FAA. Aeromexico doesn’t have their own specific Liquids Policy, they just enforce the rules and policies of the Authorities.
- Containers with liquids and gel-like substances may hold up to 100 ml (maximum capacity must be printed on container).
- All containers must be carried in a plastic bag (transparent, resealable, max. capacity one liter). One bag per person.
- The bag must be presented separately at security. Take your liquids out of your carry-on baggage at the security screening point and present them separately. In exceptional cases, liquids may be opened during security checks and removed from their outer packaging.
- Liquid duty-free goods purchased at an international airport or on board an aircraft outside the EU must be transported in a tamper-proof, certified bag on connecting flights via an EU airport. The proof of purchase must be inside the bag and the bag must be sealed by the retailer.
- Medicines and special food (e.g., baby food) can be carried outside the plastic bag and must also be presented at security.
Below is a table that provides some examples of Non-solid Food and Personal Items that are considered “liquids”:

More information on the Aeromexico liquid policy can be found here.
The TSA 3-1-1 Rule
Each passenger may carry liquids, gels and aerosols in travel-size containers that are 3.4 ounces or one hundred milliliters. Each passenger is limited to one quart-size bag of liquids, gels, and aerosols. Common travel items that must comply with the 3-1-1 liquids rule include toothpaste, shampoo, conditioner, mouthwash and lotion.
Any liquid that does not meet the TSA 3-1-1 rule will either have to be checked with your luggage or will be thrown away at the security check point.
Here is a little video to help illustrate:
Exceptions to this rule are certain medications and baby food / child nourishment.
Carry-On Food
There are two different scenarios pertaining to food:
- Food you bring with you to the airport, and
- Food you buy at the airport, after you have gone through security.
An important thing to note is the classification of liquid foods vs. solid foods.
The general rule is “If you can spill it, spread it, spray it, pump it, or pour it, then it’s considered a liquid or gel.” This means your food may be considered a liquid and will fall under the TSA 3-1-1 liquids rule, which mandates that any liquid, gel, cream, aerosol, or paste in a carry-on must be 3.4 ounces or less, and fit in one quart-size resealable bag (only one such bag is allowed per passenger).
The TSA website advises what food can be brought with you on your flight. This applies to food you are bringing from home through security. Once you get through security, you can bring about any food on the plane that you buy at the airport.
Aeromexico Carry-On Pet Policy
Aeromexico may not charge for your carry-on bag, but they will charge for your carry-on pet. The price depends upon the route and is charged once per flight direction.
In order for your cat or dog to travel with you, they must be stowed in a special carrier to be placed under the seat in front of you and shall remain your responsibility throughout the flight. The following requirements are in effect:
- Only cats and dogs are allowed in the cabin.
- The maximum weight allowed for the pet is9 kg including the carrier or container weight.
- You can only fly with your pet in the cabin on flights with a maximum duration of 6 hours.
- Pets must be at least 8 weeks old.
- Breastfeeding animals and young animals will not be accepted.
- Pets in veterinary treatment will not be accepted.
Aeromexico Carry-On Pet Fees
Within Mexico | International Flights |
Low Season $1,100 MXN | Low Season $135 USD/EUR/GBP |
High Season $1,400 MXN | High Season $140 USD/EUR/GBP (Not applicable to/from USA) |
Aeromexico Carry-On Fees
Aeromexico does not charge a fee for carry-on baggage that meets their size requirements. If your bag is too large and doesn’t meet Aeromexico’s carry-on restrictions, you may be charged a fee to gate check it.