Does cabin baggage have to fit into the sizer as is, or can it be folded?
Souleymane Enok
As a general rule, carry-on luggage must be able to fit into the airline's sizer as is, without being compressed, folded, or forced. The sizer at the airport is specifically used to verify that your carry-on suitcase meets the authorized dimensions. If your luggage does not fit easily into this frame, it may be refused in the cabin and sent to the hold, often with additional fees.
Airlines define maximum dimensions for carry-on luggage, for example 55 × 40 × 20 cm for many traditional airlines. These dimensions generally include wheels, handles, and external pockets. When an agent asks you to place your luggage in the sizer, it must enter without pressure and without special handling.
Why must the luggage fit as is?
Airlines impose these rules to ensure that all luggage can be stored in the overhead compartments or under the seat in front of you. If a piece of luggage is too bulky or difficult to insert into the sizer, it is also likely to cause storage problems on the plane.
It is for this reason that agents generally consider that luggage must slide naturally into the sizer. If you have to push it hard, fold it, or remove items to get it to fit, it means it probably exceeds the authorized dimensions.
Can a soft bag be compressed?
In some cases, a soft carry-on bag can be slightly compressed. For example, a fabric travel bag can deform a little when placed in the sizer. As long as it enters easily and without forcing, this is generally accepted.
On the other hand, if you have to remove clothing, push hard, or fold the bag to make it fit, the agent may consider that it does not meet the cabin dimensions.
As for hard-shell suitcases, they obviously cannot be folded. Therefore, they must exactly meet the dimensions authorized by the airline.
Beware of checks by low-cost airlines
Low-cost airlines like Ryanair, easyJet, or Wizz Air are often stricter regarding carry-on luggage dimensions. Checks are frequent, and luggage that does not fit correctly into the sizer can be sent to the hold with fees that can exceed €50 to €70.
To avoid this problem, it is advisable to choose a carry-on suitcase that complies with the airline's dimensions and not to overpack it.
In summary, carry-on luggage must fit into the sizer as is, without being folded or forced. A soft bag can be slightly compressed, but it must still naturally enter the frame provided by the airline.
What are the exact dimensions of carry-on luggage according to airlines?
The dimensions of carry-on luggage are not the same for all airlines. Each airline sets its own rules regarding the maximum size of the carry-on suitcase, the permitted weight, and sometimes even the number of bags you can take into the cabin.
Even though many airlines use a format close to 55 × 40 × 20 cm, some low-cost or international airlines apply slightly different rules. That is why it is always important to check the carry-on luggage dimensions authorized by your airline before traveling.
The dimensions indicated generally include wheels, handles, and external pockets. If your luggage exceeds these limits, it may be refused in the cabin and sent to the hold with sometimes high additional fees.
Here is a table of carry-on luggage dimensions for several popular airlines:
| Airline | Carry-on luggage dimensions | Permitted weight |
|---|---|---|
| Air France | 55 × 35 × 25 cm | 12 kg |
| Lufthansa | 55 × 40 × 23 cm | 8 kg |
| British Airways | 56 × 45 × 25 cm | 23 kg |
| easyJet | 45 × 36 × 20 cm (free) / 56 × 45 × 25 cm (option) | No official limit |
| Ryanair | 40 × 20 × 25 cm (free) / 55 × 40 × 20 cm (priority) | 10 kg |
| Transavia | 55 × 40 × 25 cm | 10 kg |
| Vueling | 55 × 40 × 20 cm | 10 kg |
| Emirates | 55 × 38 × 20 cm | 7 kg |
| Qatar Airways | 50 × 37 × 25 cm | 7 kg |
We note that some low-cost airlines offer a small free carry-on bag, often called a personal item. This bag must generally fit under the seat in front of you, and its dimensions are smaller than a classic carry-on suitcase.
If you wish to travel with a standard carry-on suitcase, you often have to choose a paid option like Priority Boarding or a ticket that includes carry-on luggage.
Why are these dimensions different?
Airlines adapt the dimensions of carry-on luggage based on several factors:
- the size of the luggage compartments on the plane
- the number of passengers
- commercial strategy (especially for low-cost airlines)
Limiting the size of luggage helps facilitate boarding and avoid storage problems in the overhead compartments.
What size carry-on suitcase to choose?
To avoid unpleasant surprises, many travelers choose a universal 55 × 40 × 20 cm carry-on suitcase. This format is accepted by a vast majority of airlines, especially if you have a ticket that includes carry-on luggage.
However, if you often travel with low-cost airlines, it can be useful to have a small carry-on bag compatible with the free format.
In summary, the dimensions of carry-on luggage vary by airline, and it is essential to check the rules before your departure to avoid any extra charges at the airport.
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