International Travel Checklist for Thailand: What to Prepare Before You Fly

1. Documents & Entry Requirements

Your passport and entry documents are the one part of your trip you cannot fix at the last minute, so check them first.

• Passport: make sure you have it, that it is in good condition and that the name matches your flight booking.
• Passport validity: many countries expect your passport to remain valid for a set period beyond your travel dates. Check the rule for your destination well before you book.
• Available pages: some destinations require blank pages for entry stamps or visas. Check that you have enough space.
• Visa or visa exemption: find out whether you need a visa, an e-visa or qualify for visa-free entry, based on your nationality and length of stay.
• Entry requirements: some countries ask for proof of onward travel, accommodation details or sufficient funds.
• Arrival and departure documents: certain destinations use online arrival cards or registration forms that should be completed before you land.
• Copies: keep a photo or scan of your passport and key documents, stored separately from the originals.

Visa and entry rules differ by nationality and change over time, so this guide does not list country-specific rules. Requirements can change, so always verify the latest information with the relevant official government or destination authority before you travel.

2. Flights & Accommodation

• Confirm your flight dates and departure times, including any changes sent by the airline.
• Check which airport and terminal you depart from and arrive at.
• Review your checked and cabin baggage allowance, including weight limits.
• Save all booking confirmations in one easy-to-find place.
• Confirm your accommodation address, check-in time and any late-arrival instructions.
• Keep important confirmations accessible offline in case you have no internet on arrival.

3. Money & Payments

• Check that your bank cards can be used internationally and are not close to expiring.
• Notify your bank of your travel plans if your bank recommends it, to reduce the risk of a blocked card.
• Carry more than one payment method, such as a debit card, a credit card and some cash.
• Keep a small amount of emergency cash for arrival, taxis or places that do not accept cards.
• Ask your bank about ATM withdrawal and foreign transaction fees so there are no surprises.
• Avoid carrying all your money and cards in one place. Split them between your wallet, day bag and luggage.

4. Phone, SIM & Internet

• Check whether your phone is unlocked if you plan to use a local SIM card.
• Decide between international roaming, a local SIM card or an eSIM, and compare what suits your trip.
• Download important apps before departure, such as maps, messaging, ride-hailing and translation apps.
• Save offline maps for the cities you will visit.
• Make sure important phone numbers are saved and accessible without internet.
• Plan how you will get connected after landing so you can contact your accommodation or book transport.

5. Travel Insurance & Important Health Preparations

• Consider travel insurance that suits your trip and activities.
• Read what your policy covers, especially medical treatment, cancellations, delays and lost baggage.
• Check whether your regular medications can be legally carried into your destination, as some countries restrict certain medicines.
• Keep medications in their original, labelled packaging.
• Carry prescriptions or a doctor's letter where appropriate.
• Check current destination-specific health requirements through official sources.

This section is general information, not medical advice. Speak to a qualified healthcare professional about your personal needs, and confirm current health requirements with official sources.

6. Packing Checklist

Pack for your destination and season, and keep essentials in your carry-on bag.

• Passport and travel documents
• Phone and chargers
• Power adapter suited to your destination
• Clothing appropriate for the destination and season
• Comfortable walking shoes
• Toiletries
• Essential medications
• Travel-sized liquids where airline rules require them
• Small day bag
• Reusable water bottle where appropriate
• Copies or backups of important documents

7. Important Information to Save Offline

Phones run out of battery and internet is not always available on arrival. Save these details offline, and consider keeping a printed copy too:

• Passport copy
• Flight confirmation
• Accommodation details
• Travel insurance information
• Emergency contacts
• Embassy or consulate information where relevant
• Important transportation information
• Offline maps

8. The 24-Hour-Before-Departure Checklist

• Check passport and required travel documents
• Confirm flight time and airport
• Complete any required online check-in
• Check baggage weight and allowance
• Charge phone and power bank
• Download offline maps and important documents
• Confirm accommodation
• Prepare payment cards and emergency cash
• Pack essential medication
• Check transport to the airport
• Check the latest official travel and entry information