Carry-On Only: How to Pack for a Week in One Bag
How to travel carry-on only for a week: build a mix-and-match capsule wardrobe, use packing cubes, wear your bulkiest items, handle the liquids rule, and plan a small laundry. Full method.
Quick answer
To travel carry-on only for a week or more, pack a small mix-and-match wardrobe in one colour palette (around 5 tops, 2–3 bottoms, one warm layer), wear your bulkiest items on the plane, use packing cubes, decant toiletries into travel sizes under the 100 ml limit, and plan a small mid-trip laundry. The real trick is planning outfits, not packing options — and checking your airline’s exact carry-on size and weight limits before you go.
Key takeaways
- Build a capsule wardrobe in one colour palette so everything mixes and matches.
- Use packing cubes to compress and organise — they genuinely increase capacity.
- Wear your bulkiest items (boots, coat, chunky knit) on the plane.
- Handle liquids: 100 ml containers in one clear bag; switch to solids where you can.
- Check your airline’s exact size and weight limits — budget carriers are strict and charge at the gate.
Why go carry-on only
Travelling with only a carry-on saves money on bag fees, time at the airport (no check-in queue or baggage claim), and the risk of lost luggage. It also forces a lighter, simpler trip — and it’s very achievable for a week or more with a little planning.
Build a capsule wardrobe
The core skill is packing things that all go together. Pick one colour palette so every top works with every bottom, and plan actual outfits rather than tossing in “options.”
- Around 5 tops, 2–3 bottoms, and one dress or smarter option if needed.
- One warm layer and one packable rain layer.
- Underwear and socks for about a week; plan a quick laundry mid-trip for anything longer.
- Two pairs of shoes maximum — wear the bulkier pair on the plane.
Pack smart, not more
- Packing cubes compress clothes and keep the bag organised — they genuinely increase capacity.
- Roll or fold-and-stack clothes to save space and reduce creasing.
- Wear your heaviest items — boots, coat, chunky knit — on the plane rather than packing them.
- Fill dead space — socks inside shoes, chargers in gaps.
- Use your personal item (under-seat bag) for tech, documents and anything you want in-flight.
Handle the liquids rule
Most airlines limit carry-on liquids to containers of 100 ml / 3.4 oz, all fitting in one small clear bag. Decant into travel bottles, switch to solids where you can (bar shampoo, solid deodorant, toothpaste tabs), and remember you can buy toiletries at your destination. Some airports are rolling out new scanners that relax the rule, but it varies, so pack to the 100 ml limit to be safe.
Choose the right bag
Check your airline’s exact carry-on dimensions and weight limit — they vary, and budget airlines are strict and will charge at the gate for an oversized or overweight bag. A structured bag that uses the full allowance, with external pockets for documents, makes everything easier. Many travellers also bring a small personal item (a backpack or tote) that fits under the seat, effectively adding capacity.
Do laundry on the road
Packing for about a week and doing one small laundry mid-trip is what makes carry-on work for longer journeys. Use a laundromat, a hotel service, or wash a few quick-dry items in the sink — quick-dry fabrics are your friend.
The mindset
The hardest part is psychological: trusting that you’ll re-wear clothes and can buy anything you forget. You almost certainly will wear less than you think. When in doubt about an item, leave it — that hesitation is usually the answer. Travelling light also pairs perfectly with cheaper fares; see our guide on how to find cheap flights.