A travel suitcase should make the journey easier before you even reach the airport. The right case rolls cleanly through a station, fits the airline allowance you booked and keeps clothes, shoes and essentials protected from check-in to hotel room. The wrong one can mean a last-minute baggage charge, a cracked shell or a heavy case that is awkward to manage on its own.
For most travellers, the best choice is not simply the biggest suitcase or the cheapest cabin bag. It is the one that suits the length of your trip, the airlines you use and the way you prefer to pack. Here is what to look for before choosing your next case.
Start with the journey, not the suitcase
A two-night city break and a fortnight with the family place very different demands on your luggage. Buying around your typical journey avoids paying for capacity you will not use or trying to force a week’s worth of clothes into a compact case.
For an overnight stay or a short business trip, an underseat bag can be a practical option. It keeps essentials close by and can help you travel without a larger cabin case where the airline’s fare allows it. For a long weekend, a small cabin suitcase usually offers more room for clothing, toiletries and an extra pair of shoes while remaining easy to lift into an overhead locker.
Medium suitcases suit a week away for many travellers, particularly when you want to pack smarter rather than heavier. A large checked case is useful for family holidays, longer stays and winter travel, when coats and footwear take up more space. If you regularly travel as a pair or family, a coordinated luggage set can be more useful than one oversized case. It gives everyone a manageable bag and makes packing simpler.
Check airline dimensions before you buy
Cabin luggage rules are not interchangeable. EasyJet, Ryanair, Wizz Air, Jet2, British Airways, Emirates and Virgin Atlantic each set their own limits, and the allowance can also change according to your ticket type. A bag described as cabin-friendly may be ideal for one carrier but too large for another.
Always check the full external dimensions, including wheels, handles and side feet. These details matter at the gate, where the complete case must fit the airline sizer. Weight is equally important. A larger cabin allowance is less useful if the case itself takes a significant share of your permitted kilograms.
If you fly budget airlines often, choose luggage around the carrier you use most rather than the occasional airline. An underseat case designed for a free small-bag allowance can be a money-saving choice for frequent short trips. If you book priority boarding or a cabin-bag fare, a lightweight trolley case with clear dimensions gives you more packing flexibility without the uncertainty.
Allow room for the return journey
Holidays have a habit of adding items. Gifts, a new jacket or simply clothes that no longer fold as neatly can test a tightly packed case. An expandable suitcase offers welcome extra capacity, but use that feature with care. Once expanded, the case may exceed the dimensions or weight allowance for your flight home.
For checked luggage, expansion is helpful when you have purchased a suitable hold-baggage allowance. For cabin travel, it is often wiser to choose a size that fits comfortably without relying on the extra zip section.
Hard shell or soft shell: choose for your packing style
Hard-shell travel suitcases are popular because they provide structured protection and a clean, modern look. They are especially useful for protecting fragile items, keeping the case shape when fully packed and dealing with the knocks that can happen in the hold. Look for a lightweight shell that feels firm without adding unnecessary weight.
Soft-shell cases can be a good fit when outside pockets and flexible packing matter most. A front compartment can be useful for travel documents, chargers or a light layer, although it is worth considering whether you want easy-access pockets on a case being checked in. Fabric cases may also offer a little more give when packing, but they do not provide the same rigid protection as a hard shell.
There is no single winner. For most flight-based holidays, a hard-shell spinner case offers a dependable balance of protection, easy cleaning and smart presentation. For rail journeys, car travel or travellers who value external organisation, a soft-shell design may be the more convenient option.
Wheels determine how the case feels in use
A suitcase can look excellent online and still be frustrating if its wheels do not move smoothly. Four-wheel spinner luggage is usually the easiest choice for airports, hotel lobbies and level station floors. The case can roll upright beside you, reducing strain on your arm and making tight queues easier to manage.
Two-wheel trolley cases can perform well over uneven ground, but they need to be pulled behind you. They can also be less convenient when you are carrying a handbag, backpack or child’s travel items at the same time.
Check that the wheel housings are securely fitted and sit within the stated dimensions. A telescopic handle should extend and retract cleanly, with a comfortable grip and minimal wobble. These are straightforward details, but they make a noticeable difference when you are moving through a busy terminal with a fully packed case.
Look inside before comparing colours
Colour and finish matter - a suitcase should feel good to carry - but internal layout has a bigger effect on how well it works. A useful travel suitcase should help you separate clothing, shoes and smaller items rather than leaving everything to shift into one side.
In a hard-shell case, a divided interior is particularly practical. One zipped section can hold folded clothes while the other accommodates shoes, wash bags or rolled outfits. Cross straps help keep packed items in place, especially when airport handling turns your case on its side.
Consider how you actually pack. Travellers who use packing cubes may prefer a simple, spacious interior. Those who like clear separation may benefit from several zipped compartments. Avoid very elaborate layouts if they reduce usable space or add weight without solving a real problem.
Security features should be practical
A TSA-compatible combination lock is a useful feature for checked luggage, particularly for trips involving the United States. It allows authorised security staff to inspect a case when necessary without forcing the lock. For UK and European holidays, it still offers convenient zip security and saves you from keeping track of a separate padlock.
A lock is not a guarantee against theft, and it should not encourage you to pack valuables in checked baggage. Keep passports, medication, money, keys, electronics and essential documents with you in your personal bag. The suitcase lock is best viewed as an added layer of reassurance for clothing and everyday travel items.
Strong zips, protected corners and a reliable handle are just as valuable as a built-in lock. Durability comes from the way these practical parts work together, not from one headline feature alone.
Choose weight, capacity and style in balance
A lightweight case gives you more of your baggage allowance for the things you want to take. This matters most for cabin travel, where strict weight limits can quickly turn a well-packed bag into a problem. However, the lightest option is not automatically the best if the shell, handle or wheel construction feels too insubstantial for regular use.
Aim for a case that feels proportionate to its purpose. A compact underseat bag should be light and easy to carry. A large hold case needs stable wheels, durable handles and a shell capable of coping with a fuller load. If you travel several times a year, it is often worth choosing a better-built case that remains comfortable and presentable after repeated journeys.
Style still has a place. A polished black, navy or charcoal suitcase looks smart for work trips and is easy to match with other bags. Brighter colours can be quicker to spot on a baggage carousel. Textured finishes may show scuffs less readily than high-gloss shells. Choose the finish that suits your travel routine, not just the photograph.
Make the final check before ordering
Before settling on a case, confirm its external dimensions, empty weight, capacity, wheel type and lock arrangement. Then compare those details with your likely airline allowance and the trips you take most often. If you are buying for a family holiday, think about who will carry each case and whether the size is manageable when full.
CarryWell’s range is designed around those practical decisions, from compact airline-conscious cabin cases to expandable hold luggage with smooth spinner mobility. The best travel suitcase is the one that gives you enough space, moves without fuss and lets you focus on the trip rather than the baggage rules.