Why the smartest travellers pack for the journey, not just the destination

Most of us pack with the holiday in mind: swimwear, walking shoes, the book we swear we'll finally read. Then we board a long-haul flight — nine, twelve, sometimes fifteen hours in a pressurised tube with air drier than a desert — and realise we've packed nothing for the bit in between.

The flight is a third of the trip. Treat it that way and the whole experience changes. The trick is to think in three layers: what goes in the hold, what goes in the overhead locker, and what stays within arm's reach from take-off to landing. Sort those three piles at home and you'll spend the flight relaxed rather than rummaging.

Build a small at-your-seat kit

Keep this genuinely small — a pouch the size of a paperback. It lives in the seat pocket or under the seat in front, never in the overhead bin, because the moment you need it is usually the moment the crew ask everyone to sit down.

• Earplugs and an eye mask. Cabin noise and Cabin lights are the two biggest enemies of sleep. Choose soft mouldable earplugs and a mask with a slight curve so it doesn't press on your eyes.
• An empty refillable bottle. Take it through security empty and fill it at a water fountain after the checkpoint. Cabin air dehydrates you faster than you'd expect.
• Lip balm, hand cream and a saline nasal spray. All count as liquids, so they need to fit in your clear 100ml bag. Rules on liquids vary between UK airports as new scanners roll out, so check your departure airport's guidance before you travel.
• Compression socks. Unglamorous, genuinely useful on flights over four hours.
• A charging cable and a compact power bank. Charged the night before, not at the gate.
• A pen. Landing cards and customs forms still exist, and nobody else will have one.

Choose your seat with a purpose

Seat choice depends entirely on what you want from the flight. If sleep is the goal, a window seat lets you lean against the wall and control the shade. If you're travelling with children, or you know you'll need to move, an aisle seat saves you climbing over strangers.

Where you sit matters as much as which seat it is. Rows near the lavatories and galley suffer from noise, light and foot traffic all night. Bulkhead rows give you legroom but no underseat storage, so everything must go up top. Emergency exit rows offer the most space but often don't recline and come with strict baggage rules. If you're on a day flight heading west, consider staying awake — it helps you adjust to a later time zone. Heading east overnight, do the opposite and sleep as soon as the meal service ends.

Dress and layer for a cabin that can't make up its mind

Cabin temperature swings between stuffy and chilly, often within the same hour. Wear or carry soft, breathable layers you can add and remove easily: a light jumper, a scarf that doubles as a blanket, and comfortable trousers with a bit of stretch.

Slip-on shoes make security and midnight loo trips far easier, and a spare pair of socks in your kit is one of those small luxuries you'll be glad of on hour ten. If you wear contact lenses, pack your glasses and a small case — eyes dry out quickly in the air.

Keep documents and devices organised before you fly

A slim document wallet beats a chaotic rucksack every time. Passport, boarding pass, travel insurance details and any visa paperwork go in one place, with copies stored separately in your hold luggage. Download your airline's app, save booking confirmations offline and screenshot anything you might need without a signal.

Download films, podcasts and books before you leave home rather than relying on onboard entertainment, which can be patchy or unavailable. Keep medication in its original packaging in your cabin bag, along with a printed list of what you take — it makes any conversation with security or a pharmacist straightforward. Charge everything the night before, and pack a universal adaptor for the destination so you're not hunting for one on arrival.

Set yourself up to arrive in decent shape

The last hour of a flight is where good packing pays off. Keep a toothbrush, deodorant, a clean top and your adaptor in your at-seat kit so you can freshen up before landing without opening the overhead locker. Drink water steadily, go easy on alcohol and caffeine, and eat lightly if you're landing in the morning.

Change your watch to the destination time when you board and start living by it — meals, naps and all. Then, when the wheels touch down, you'll step off with clean teeth, a charged phone and everything you need for the first morning already within reach. That's the whole point of packing smart: the flight stops being something to endure and becomes the quiet, comfortable beginning of the trip.