What to Prepare Before Going to Japan: A Step-by-Step Checklist
A checklist that separates what you must do from what is merely wise, from passport and entry registration to money, connectivity and the small things people forget.
Respuesta rápida
- Must-dos before the flight: check your passport and entry rules with official sources, book transport and lodging, and complete whatever registration Japan currently requires.
- Sensible extras: travel insurance, a mix of card and cash, working mobile data, and downloaded map and translation apps.
- Rules, documents and fees can change, so recheck with the embassy or official agencies shortly before you leave.
What to prepare for Japan is a good question to ask early, because the country is easy to travel but some procedures are stricter than first-timers expect, from entry formalities to cash use, rubbish disposal and train etiquette. This article is laid out as a checklist, split into must-dos and sensible extras, so you can see what cannot be skipped and what you can adjust to your style. It deliberately leaves out costs and entry rules that can change; rely on official sources for those.
The short answer: must-do versus should-do
| Ámbito | Must do | Should do |
|---|---|---|
| Documents | A passport valid under the entry conditions, and whatever documents Japan requires for Thai passport holders | Keep copies and photos on your phone |
| Registro | Complete the steps Japan sets through its official channels | Hazlo en casa, no en el aeropuerto |
| Money | At least one payment method that works in Japan | Carry some yen cash for small shops and shrines |
| Connectivity | No formal requirement | Set up an eSIM or SIM before the flight so maps work on landing |
What you need to have ready
Start with the passport: check the expiry date and blank pages, and compare them with the conditions Japan publishes through official agencies. Next come return flights, at least the first night's accommodation, and a rough itinerary, since an officer at immigration may ask. Travel insurance that covers medical care abroad is wise, because treatment can be costly for anyone outside the Japanese health system. Do not forget regular medicine, with a prescription or doctor's letter where relevant.
Paso a paso
- 1Check the passport and entry rulesRead the information from the Embassy of Japan in Thailand or Japan's Ministry of Foreign Affairs, then look again close to departure.
- 2Book flights and lodgingPick a hotel near a station, which spares your luggage, and keep confirmation emails on your phone.
- 3Complete entry registrationFollow the channel Japan prescribes, for example Visit Japan Web if it is still in use, and keep the QR codes on your device.
- 4Sort out money and dataTell your bank about overseas use if needed, exchange some yen and set up an eSIM before you fly.
- 5PaqueteLeave room for purchases and check the rules on prohibited items and restricted medicines.
Costs and paperwork
There are four main cost blocks: flights, lodging, local transport, and food plus activities. Exchange rates, fares and hotel prices keep moving, so no single figure works for everyone. A safe way to estimate is to read real prices on booking sites and from rail operators for your dates, then add a small cushion. For paperwork, keep the passport, flight tickets, hotel bookings, insurance policy and photos of key cards in both paper and phone form.
Errores frecuentes
- Relying on cards alone, when small shops, shrines and some coin machines take only cash.
- Leaving registration until the airport, where time is short and connections can be shaky.
- Forgetting that Japan uses flat two-pin plugs and a different voltage from Thailand; check that your devices support it.
- Bringing certain medicines without checking the rules, such as some cold remedies containing restricted ingredients.
- Over-packing the first day, when you still have immigration, baggage claim and the transfer into the city.
Final checklist before you leave home
- Passport, flight tickets and hotel confirmations, on paper and on your phone.
- Entry registration QR codes or documents, with screenshots saved.
- Travel insurance, emergency contact numbers and regular medicine.
- Credit or debit card, yen cash and a coin pouch.
- Plug adapter, charging cables and a power bank, following airline rules on batteries.
- An eSIM or SIM installed, plus map, translation and train apps downloaded.
The last item makes day one far easier, because maps, trains and translation all rely on data. A Japan eSIM installed and configured before the flight is ready the moment you land.
Preguntas frecuentes
Preguntas frecuentes
What should a first-timer prepare first?+
Start with the passport and entry rules, since those cannot be fixed at the last minute, then book flights and lodging.
How much cash should I carry in Japan?+
There is no fixed figure; it depends on your style. Carry enough for small shops and shrines and use a card where accepted.
Do I need travel insurance?+
It is not always compulsory, but it is advisable because overseas medical bills can be high. Check what the policy covers before buying.
Will my Thai devices work with Japanese sockets?+
Japanese sockets take flat two-pin plugs. Most phone and laptop chargers cope, but read the voltage label on each device.
How early should I start preparing?+
It depends on the season. For busy periods such as autumn leaves or New Year, start booking several months ahead; confirm paperwork well before you fly.
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