2026 Cabin Baggage Size Guide: Suitcase Dimensions by Airline

Flying with your pet requires good planning, especially to meet the criteria for carry-on suitcase size and the weight of carry-on luggage. Knowing what the dimension maximum size allowed for carry-on baggage helps avoid unpleasant surprises at boarding and ensures a comfortable trip with your little companion. This guide details the standard dimensions by airline, the new European rules applicable in 2026, the accepted weight variations, and practical tips for traveling smoothly with everything your dog or cat needs.

What size cabin suitcase is allowed on planes depending on the airline in 2026?

The dimensions of your carry-on suitcase determine whether you can keep it with you during the flight. The size The maximum generally accepted dimensions are 55 cm in length, 40 cm in width, and 20 cm in height according to the European IATA standard, but some airlines apply slightly different specifications. These permitted dimensions include the handles and wheels of your carry-on suitcaseCheck these measurements before departure to avoid any problems during boarding and travel with peace of mind with your pet.

Standard carry-on baggage dimensions accepted by airlines

Most carriers accept a carry-on luggage measuring 55 × 40 × 20 cm, including handles, wheels, and pockets. This dimension represents the standard IATA standard adopted by Air France, KLM, Lufthansa, and most traditional airlines. The carry-on baggage dimensions detailed how to check that your suitcase meets current standards and your airline's baggage policy.

• Practical capacity : This size offers approximately 44 liters of capacity, more than enough for a few days of travel and your pet's accessories.
• Items to take into account : Handles, wheels, and outer pockets are an integral part of the calculation of dimensions maximal, with a tolerance by ±2 cm depending on the carrier.
• Little room for error : Even a slight overrun may result in the obligation to register your carry-on luggage in the hold with fresh additional.

Opt for a suitcase strictly compliant with aviation standards guarantees acceptance on board on European flights and makes frequent travel easier. A model measuring 55 × 38 × 18 cm still complies with the maximum size allowed by the airlines while optimizing the available space for your personal belongings and those of your pet.

New European standard for free small personal baggage 2026

From summer 2025, all European airlines will be required to offer one free small personal item of 40 × 30 × 15 cm. This dimension is ideal for a handbag, a laptop bag, or a diaper bag, to place under the seat in front of you.

This rule will apply to all fare classes, including the most affordable tickets, at no extra charge. Some airlines allow up to 23 cm in height for soft bags and pet carriers, offering greater flexibility. For travelers with pets, this small bag makes it easy to carry veterinary documents, treats, and accessories Only service dogs are allowed, while your companion travels in its carrier bag with the required dimensions.

Difference between cabin baggage and hand luggage

The expression carry-on luggage covers both the carry-on luggage placed in the overhead compartment and the personal item stored under the seat. Some airlines make a pricing distinction: only the personal bag remains free with the cheapest fares, while the carry-on suitcase The main one may be chargeable.

When you travel with a pet, its carrier is generally considered your main cabin bag and must comply with the dimensions and the weight authorized by the airline. For small animals weighing less than 7 kg, optimized bags provide comfortable storage in the cabin. So always remember to check the baggage weight cabin and the permitted dimensions before each flight.

Authorized cabin baggage dimensions by airline in 2026

The airlines apply each of the different rules concerning the carry-on luggage, which explains why their dimensions can vary so much. These differences are due to the aircraft models used, commercial strategies, and the Cabin baggage policy specific to each airline. Know these well restrictions will save you from shipping costs unexpected events and will ensure hassle-free boarding with your belongings.

Precise cabin baggage size limits for low-cost airlines

The companies low-cost airlines impose stricter rules on cabin baggage dimensions to optimize cabin space and increase their revenue. For example, Ryanair allows one small free carry-on `

• Ryanair cabin baggage policy : without the “Priority & 2 Cabin Bags” option, only the bag placed under the seat is authorized at no extra cost.
• Wizz Air Rules : the small free carry-on baggage must not exceed 40 × 30 × 20 cm, and the cabin luggage 55 × 40 × 23 cm.
• EasyJet cabin baggage : accepts 45 × 36 × 20 cm free of charge and 56 × 45 × 25 cm as a paid option, offering more flexibility than the ultra-low-cost airlines.
• Rigorous controls : templates are used in theboarding to check the dimensions; the slightest overrun results in fees immediate.

These restrictions allow low-cost airlines to reduce their costs and speed up boarding. A suitcase A non-compliant bag will generally be charged between 25 and 60 €. As the rules may change without notice, always check the official website before your departure to avoid extra charges.

Company	Free small bag	Optional cabin baggage	Required service
Ryanair	40 × 20 × 25 cm	55 × 40 × 20 cm	Priority & 2 Cabin Bags
Wizz Air	40 × 30 × 20 cm	55 × 40 × 23 cm	Priority Boarding
EasyJet	45 × 36 × 20 cm	56 × 45 × 25 cm	Cabin Bag Option

Standard cabin baggage dimensions for traditional and international airlines

Classic companies apply more uniform rules regarding the dimensions carry-on luggage: Air FranceKLM, Lufthansa, or Turkish Airlines generally allow a cabin bag of around 55 × 35-40 × 25 cm, with some flexibility up to 55 × 40 × 23 cm. This flexibility is much more advantageous than with low-cost companies.

• Companies of the Gulf : Emirates and Cathay Pacific allow dimensions from 55 × 36-38 × 20-23 cm depending on the class and aircraft used.
• American carriers : United Airlines and American Airlines accept up to 56 × 36 × 23 cm, which is a few centimetres more in height for the suitcase compared with European standards.
• British Airways and EasyJet premium : some offers allow a carry-on luggage of 56 × 45 × 25 cm, the size the most generous in Europe.
• Occasional tolerance : a slight overrun of the dimensions a small dog may be allowed, but it depends entirely on the staff and the available space.

If your trip involves several airlines, choose a 40 × 20 × 25 cm or 55 × 38 × 18 cm suitcase, dimensions accepted almost everywhere. However, be sure to check the cabin baggage policy for each flight to make sure that your small personal bag will remain authorized throughout the journey.

Maximum carry-on baggage weight and free carry-on suitcase dimensions on the plane

The weight of your carry-on luggage and its dimensions are just as important as its size in order to be accepted when boarding. Each airline apply a weight allowed differs depending on the travel class. Be familiar with these restrictions on the suitcase size and the weight allows you to avoid last-minute surprises and optimize your available space.

Weight limits for carry-on baggage and carry-on suitcase dimensions by airline

In economy class, the weight maximum of carry-on luggage The allowance is generally between 7 and 12 kg, while higher classes may allow up to 23 kg. Take the example of Air France, which accepts 7 to 12 kg in Economy and Premium, compared with 18 kg in Business. EasyJet, meanwhile, allows up to 15 kg regardless of the fare, which clearly shows the differences between airlines on carry-on suitcase dimensions and the weight authorized.

• EasyJet is an exception : this airline allows 15 kg regardless of the ticket type, giving you more flexibility for your belongings and your carry-on luggage.
• Lufthansa and KLM : generally 8 kg in standard economy, with an extra charge billed at €30 for luggage additional.
• Current rule : a lot of companies require that a personal bag not exceed 10 kg, even if you have two bags.
• Combined animal weight : the weight The transport bag plus the animal (up to 7 kg) is generally accepted up to 8-9 kg in the cabin.

Attention to differences between companies: a suitcase 11 kg goes to Air France but would be refused by EasyJet in standard economy class. With Ryanair, the 10 kg cabin bag is only possible with the paid "Priority" option. Always remember to weigh your bag before departure to avoid fees upon boarding!

Basic Economy fares and carry-on baggage size restrictions since 2025

Since January 2025, Basic Economy tickets for certain destinations include only one free personal item (40×30×15 cm) in the cabin. This measure brings traditional airlines in line with the practices low-cost airlines. For these prices, only the carry-on luggage a bag that can slide under the seat is included at no extra charge.

If you would like to bring an additional suitcase with a Basic Economy ticket, it must be booked in advance, with fees variant from €30 to €60. However, on international flights with a connection, you still retain the right to one carry-on suitcase plus one personal bag according to the cabin baggage policy specific.

Special cases and permitted dimensions for additional cabin baggage

Certain situations allow you to bring additional carry-on baggage free of charge. This makes travel much easier for the people concerned and their pets.

• For babies : a carry-on luggage An additional bag with essentials (diapers, bottles, etc.) is always accepted free of charge.
• Accessibility : mobility aids such as wheelchairs or canes do not count toward the baggage allowance.
• Traveling with a pet : its carry bag doubles as a cabin baggage main, with limits of weight and dimensions specific. The cabin carry bag of Oscar & Plume measures 43-55 × 26-40 × 20-25 cm, making it compliant aux current rules, compatible with the aviation standards for animals under 7 kg.

For comfortable air travel with your dog, also remember to check the Size guide for cabin suitcases which will indicate the permitted dimensions accepted by airlines and how to prepare your pet for a flight in 2026. The carry-on cat carrier with its 49 × 36 × 52 cm, it may slightly exceed standard regulations, so check your carrier's baggage policy. Don't forget the security rules: liquids must be in containers of less than 100 ml in a transparent bag. For pet medications, keep the prescription in your personal item to make the controls.

Frequently Asked Questions

What is the accepted cabin baggage size in 2026 according to the airlines?

The maximum dimensions generally accepted for a carry-on luggage the dimensions in 2026 are 55 × 40 × 20 cm (length × width × height), this standard IATA being adopted by the majority of carriers. However, there is a tolerance by ±2 cm depending on the carrier. Low-cost companies impose dimensions more stringent: Ryanair limits it to 55 × 40 × 20 cm in the paid version, while Wizz Air accepts up to 55 × 40 × 23 cm. Some airlines such as Lufthansa allow 55 × 40 × 23 cm, offering an extra 3 cm in height. Remember to measure your carry-on suitcase with the wheels and handles extended to verify actual compliance with these allowed dimensions.

What is the difference between a carry-on bag and a personal item?

Although these terms are often used interchangeably, some airlines make an important fare distinction. The cabin baggage The main item is the suitcase placed in the hold overhead or in the upper compartment (max. 55 × 40 × 20 cm depending on the Airlines), while personal hand luggage generally refers to the small bag free (40 × 30 × 15 cm) slipped under the seat in front of you. With Basic Economy fares, this small personal bag is often the only free baggage included in the cabin, hence the importance of checking the dimensions before each flight. Some carriers accept both, while ultra low-cost airlines limit you to a single free carry-on bag.

How do you measure your cabin suitcase to check that it complies with the permitted dimensions?

To measure your correctly carry-on suitcase` permitted dimensions of your airline, always checking that your carry-on bag does not exceed 55 × 40 × 20 cm for most carriers. If you are traveling with several airlines different, opt for a suitcase that strictly complies with the most stringent standards to guarantee acceptance on all your flights. Some airports have measuring templates at boarding: your compliant carry-on baggage The bag should be able to fit inside without forcing it. For travelers with pets, make sure the carrier remains compliant once your companion is inside.