Can I put my backpack under an airplane seat?

A good rule of thumb is that if your carry-on bag fits under the seat in front of you, it's considered a personal item. This includes small backpacks, purses, briefcases, laptop bags, etc. Larger bags, including suitcases, must fit in the overhead bin compartment.



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Southwest Airlines' website recommends a personal item that's no larger than 18.5 inches x 8.5 inches x 13.5 inches. Spirit Airlines allows a personal item for all travelers that must not exceed 18 inches x 14 inches x 8 inches, including handles and wheels.

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A personal item is any small bag that fits beneath the seat in front of you. Possible personal items include purses, laptop bags, camera bags, totes, diaper bags, and small backpacks.

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While personal item size restrictions vary across airlines, most airlines consider a small backpack, purse, briefcase, or laptop bag to be a personal item. These must always fit under the seat in front of you. Many airlines restrict passengers to one personal item and one carry on bag.

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Usually, many airlines won't check every carry-on but will instead go for ones that look oversized. If your luggage does not fit in the sizer, you might have to pay a checked bag fee along with the gate checking fee and have your bag transferred to the airplane's cargo.

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Most airlines allow backpacks as carry-ons, but size and weight restrictions vary depending on the carrier. Typically, the bag must be within the cabin baggage dimensions of around 22 x 14 x 9 inches (56 x 36 x 22 cm), commonly considered the standard size for carry-on.

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The most common personal item size limit is 18 x 14 x 8 inches (46 x 36 x 20 cm). If your backpacks or handbags don't exceed this number, you're good. Weight limitations for personal belongings are also regulated by several airlines ranging from 10 to 25 pounds (around 4.5 to 11 kg).

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While this can be confusing, most popular airlines allow you to bring a carry-on and personal item, such as a backpack or purse. In general, your personal item should be smaller than your carry-on and under the specific airline's carry-on dimensions, allowing it to fit under the seat in front of you.

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Thule Subterra 23L Backpack It's wrapped in a durable, 800D nylon that will undoubtedly stand up to underseat air travel. The Subterra's laptop pockets easily store up to a 15 inch computer and any necessary tech essentials plus enough extraneous gear to get through a layover or a longer direct flight.

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Domestic carry-on policies. A good rule of thumb is that if your carry-on bag fits under the seat in front of you, it's considered a personal item. This includes small backpacks, purses, briefcases, laptop bags, etc. Larger bags, including suitcases, must fit in the overhead bin compartment.

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TSA Guidelines for Checkpoint Friendly Bags In a nutshell, the current requirements are as follows: Your laptop bag has a designated laptop-only section that you can lay flat on the X-ray belt. There are no metal snaps, zippers, or buckles inside, underneath, or on top of the laptop-only section.

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In general, travelers are permitted to bring into the plane one personal item and one carry-on bag with them on most flights. The personal item is often a small bag, such as a handbag or laptop bag, that is able to be stowed away beneath the seat that is directly in front of you.

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Firearms, ammunition, and fireworks are prohibited, as are all knives and safety razors (including pocket knives and Swiss Army knives). Straight razors and replacement blades for straight razors are also not allowed. Most tools also cannot be packed in carry-on luggage, as they have the potential to cause harm.

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Domestic carry-on policies. A good rule of thumb is that if your carry-on bag fits under the seat in front of you, it's considered a personal item. This includes small backpacks, purses, briefcases, laptop bags, etc. Larger bags, including suitcases, must fit in the overhead bin compartment.

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The short answer: Yes, a backpack is generally considered a personal item if it fits under the seat in front of you. Most airlines offer a few examples of things that fit into the “personal item” category, such as a purse, laptop bag, or a briefcase, but they don't usually include “backpack” on those lists.

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Dimensions for carry-ons vary by airline, but a good rule of thumb is that any backpack less than 45 liters should fit most airlines (but be careful with ultra-budget airlines — especially in Europe). Any bigger than that, and you risk extra charges.

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If your carry-on is 1-2 inches over the size limit, don't stress about it too much. Most likely, you'll be allowed to pass through without anyone saying anything. But be prepared that if you encounter a strict airline employee, you might have to check it in.

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Weighing. If you have both checked and carry on luggage, usually both are going to be weighed at the check-in/luggage drop. If you only have a carry on and check-in online you have small chances to have your luggage weighed, however it might not be true if you apparently struggle with it.

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These are limited to travel-sized containers that are 3.4 ounces (100 milliliters) or less per item. Placing these items in the small bag and separating from your carry-on baggage facilitates the screening process. Pack items that are in containers larger than 3.4 ounces or 100 milliliters in checked baggage.

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Just unzip the bag, lay it flat on the conveyor belt, and send it right through the X-ray machine. Our airport security laptop bag is designed to make dealing with the TSA a breeze.

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If a bag or suitcase is not locked, TSA staff will simply open it and check its contents. If, on the other hand, it has been locked with locks and TSA staff consider it necessary to open it, the locking devices may have to be broken.

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