What is the standard carry-on size for international flights?
The standard carry-on size for international carriers is slightly smaller than that of the U.S., measuring overall at 21.7 by 15.7 by 9 inches, including handles and wheels.
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In general, standard domestic carry-on luggage size is 22 x 14 x 9 inches. If you're flying internationally, that may vary a little to 21.5 x 15.5 x 9 inches. Remember, those dimensions include the handle, wheels and anything else that may protrude from your suitcase so don't miss them from your measurements.
Is a 24-inch Carry-On Too Big? Most airlines can accommodate a 24-inch carry-on, but not all. Generally, a carry-on suitcase measuring 22 inches x 14 inches x 9 inches, commonly seen as 22 x 14 x 9, would be the most widely accepted size.
If your carry-on is oversized (and doesn't physically fit inside the overhead compartments) or you encounter a strict airline employee, they will ask you to check it in at the gate.
Oversized Carry-Ons Need to Be Checked-inIf your carry-on is oversized (and doesn't physically fit inside the overhead compartments) or you encounter a strict airline employee, they will ask you to check it in at the gate.
Carry-on Luggage Size MattersGenerally, most of the European airlines limit carry-on luggage to a maximum size of 55 x 40 x 20 cm ( 21.6 x 15.7 x 7.8 in); however, a few airlines do accept bags up to 25 cm wide (9.84 inc) or do not accept more than 35cm tall (13.7 in).
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.
The Lufthansa carry-on baggage size is 55 x 40 x 23 cm/ 21 x 15 x 9 inches; or 57 x 54 x 15 cm/ 22 x 21 x 5.9 inches for foldable garment bags. The permitted dimensions for the personal item are max. 40 x 30 x 10 cm/ 15 x 11 x 4 inches.
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.
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.
What happens if you realize your carry on luggage is too large to fit once you're in the plane? Whenever your bag won't fit, whether due to its size or due to fullness of the bins, the flight attendants take it and tag it and check it for you.
Most regular airlines won't check the size, unless it's obviously way larger or heavier than your allowance, but you may need to consider where is that extra inch, if it's too wide/thick, it may not fit in the baggage overhead compartment and a flight attendant may check it in for you…
The only time this might be worth the risk is if your personal item is only an inch or so bigger than that of the limits stated, and is soft-sided. At least if it's only slightly bigger, you should still be able to pad it down and demonstrate it fits in the sizer if required to.
The TSA's liquid limit for carry-ons—known as the 3-1-1 rule—allows travelers to pack liquids, aerosols, gels, creams, and pastes under 3.4 ounces (100 milliliters) in their carry-on bags. Passengers are allowed up to one quart-sized bag per person, or roughly nine 3.4-ounce containers in a single quart-sized bag.
Is toothpaste considered a liquid by the TSA? Yes, toothpaste must adhere to the 3-1-1 rule for liquids and gels. Toothpaste can be brought through TSA security in your carry-on as long as it is 3.4 ounces (100 milliliters) or less and placed in a 1-quart bag.
Stick deodorant is fine in any size. Well, almost any size… Powders and crystals are good to go as well. Spray, Gel, Liquid, Cream, Pastes, and Roll-On deodorants need to be in containers no larger than 3.4 ounces and placed in a clear quart-sized baggie.