Backpack or suitcase for Thailand? The short answer: if your itinerary includes Bangkok, the north, and the islands, a 40 to 60-litre travel backpack remains the best choice — it fits into tuk-tuks, night buses, and boats without ever slowing you down. The suitcase only makes sense for a settled stay, with one or two base points. Between beaches, jungles, and bustling cities, this guide helps you choose the right luggage, then pack it smartly: complete checklist, rainy season, and documents not to forget.
One principle above all: travel light. Thailand is the easiest country to do laundry (laundries are everywhere and cost just a few baht) and to buy what you lack on the spot. Half of the travellers leave with a bag too heavy, a third of which they never opened. Here are the three bags we recommend, one for each travel profile.
Our Selection for Thailand
Three profiles, three bags. The island and rainy season traveller needs a waterproof bag to protect their belongings on a longtail or under a tropical downpour. The northern trekker (Chiang Mai, Pai) favours the lightweight carried for hours. Those settling in Bangkok or Phuket want organisation above all. You can also browse our collection of waterproof backpacks — the number one criterion in these latitudes.
Backpack or Suitcase: The Right Choice for Your Itinerary
The backpack remains the most versatile option for Thailand. It weaves through Bangkok's alleys, fits between two songthaew seats, and can be carried on island piers where no wheels survive. For a classic two to three-week circuit, a capacity of 40 to 60 litres is more than enough; beyond that, you're carrying excess. Check three things: padded straps and hip belt, multiple access compartments, and a ventilated back — Thai humidity is unforgiving.
The wheeled suitcase has its supporters, and it has arguments: clothes stay pristine, organisation is simpler, and in Bangkok, Chiang Mai, or Phuket hotels, it poses no problem. It becomes a burden as soon as the itinerary involves multiple transfers — broken pavements, station steps, sandy jetties. Simple rule: more than three different accommodations, take the backpack; one or two base points, the suitcase is fine.
Final adjustment: cabin size. For a two to three-week stay in light mode, a cabin-sized bag (55 × 40 × 20 cm) avoids hold fees on low-cost domestic flights — Air Asia, Nok Air, and Thai Lion charge separately for hold luggage and weigh bags. If you plan to take multiple domestic flights, this single criterion can decide the bag. For more details, our guide on what is prohibited in cabin luggage will save you from unpleasant surprises at security.
What to Pack: The Thailand Checklist
The climate decides for you: hot and humid all year round, between 28 and 35 °C. Lightweight and breathable materials (cotton, linen) reign supreme, and everything dries quickly — allowing for a reduced luggage. Here's the essential, tested on site:
- Clothing: 5-6 lightweight t-shirts, 2 shorts, 1 lightweight trousers, 2 swimsuits, underwear for a week — no more, laundries do the rest.
- For temples: an outfit covering shoulders and knees (light trousers or sarong) — mandatory at the Grand Palace and most wats.
- Footwear: sandals that come off quickly (you remove shoes everywhere: temples, homes, some shops) + a lightweight closed pair for treks.
- Pharmacy: anti-diarrhoeal, rehydration, tropical mosquito repellent (dengue present), sunscreen — the rest can be bought at local pharmacies.
- Electronics: universal adapter (plugs A, B, and C), external battery for long journeys, waterproof phone case.
- Miscellaneous: headlamp, earplugs (guesthouses are noisy), small padlock for hostel lockers.
All superfluous items can be found locally, often cheaper than in France: the ubiquitous 7-Elevens are open at all hours, and markets sell t-shirts and sarongs for a few euros. If in doubt about an item, leave it: it's the golden rule of successful packing, detailed in our guide on how to prepare your travel bag.
The Monsoon Changes Everything: Think Waterproof
From June to October, the monsoon drenches the country with brief but spectacular downpours — and the rest of the year, a longtail crossing is enough to soak a bag placed at the bottom of the boat. It's the classic trap of travelling in Thailand: you think "sun", you discover "deluge". A main bag in coated fabric or with a roll-top closure protects the essentials; failing that, a rain cover that covers the entire bag does the job for a few grams.
For day trips — waterfalls, snorkelling, floating markets — a small waterproof daypack is the most useful travel accessory. Folded, it weighs nothing in the main bag; unfolded, it protects the camera, passport, and dry clothes on a kayak or under a downpour. It's typically the item you don't bring on the first trip and never leave behind on the second.
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Documents and Security: The Essentials
Regarding documents: passport valid for 6 months after return date, outbound ticket (required at boarding), and from 2025 the digital arrival card to be completed online before the flight. As rules regularly change (visa exemption duration, requirements), check the updated conditions on the Irish travel advice for Thailand a few weeks before departure. Keep a photo of your passport on your phone and a paper photocopy stored separately.
Thailand is a safe country, but pickpockets love night markets and tourist areas in Bangkok as much as anywhere else. Good habits: never put your passport and money in an outer pocket, split cash into two places, and protect your bank cards from skimming — an RFID-blocking sleeve weighs ten grams and solves the problem. In dormitories and hostel lockers, a small padlock from our collection of travel padlocks completes the kit.
Organising the Inside: The Gesture That Changes the Journey
A Thai circuit means packing and unpacking your bag every two or three days. Without organisation, the bag becomes a bottomless pit by the first week. The proven solution: packing cubes — one for tops, one for bottoms, one for dirty laundry — transferred from one accommodation to another without unpacking. Add a compression bag for bulky clothes and you gain the equivalent of a third of your luggage.
A final field tip: always keep 20% of space empty at the start. Between clothes bought at markets, souvenirs, and crafts, the bag inevitably swells during the trip — and excess baggage fees on domestic flights are costly. A slightly underfilled bag at the start, well-organised and rain-protected: that's the formula for successful luggage for Thailand. Safe travels — and if you're still hesitating between several models, our complete collection of travel bags covers all profiles.
