How to Fill TDAC Form in 2026: Complete Step-by-Step Guide

Travelling to Thailand in 2026 requires travellers to complete the Thailand Digital Arrival Card (TDAC) before reaching the country. The TDAC form is an online arrival application which make the immigration process faster and more convenient for international visitors. Whether you are travelling from the UAE, India, or any other country. Completing this digital form in a correct manner is an important step before you start your journey. This guide will help you to explain how to fill TDAC Form 2026, the documents that you need, common mistakes to avoid, and everything that travellers should know for a smooth arrival in Thailand.

What Is the Thailand Digital Arrival Card (TDAC)?

Before you start your Thailand trip, you should also understand how to fill TDAC Form 2026. This helps travellers to complete their arrival requirements correctly and avoid mistakes. The Thailand Digital Arrival Card (TDAC) is an online arrival registration system that collects some of the most important information about travellers before entering Thailand. This allows immigration authorities to receive passenger details digitally before arrival.

Why Thailand Introduced the TDAC

Thailand introduced the TDAC so that it can improve the arrival experience for international travellers. The digital system will help immigration authorities to reduce paperwork, speed up immigration procedures, and to effectively manage traveller information.

Is the TDAC Mandatory in 2026

Yes, the TDAC is a mandatory arrival requirement for most of the foreign travellers who are entering Thailand in 2026. Travellers have to fill this form before arriving in Thailand and keep the confirmation details available during their journey.

Who Needs to Fill Out the TDAC

Most of the international visitors who are travelling to Thailand should have to complete the TDAC form, including:

Tourists who are visiting Thailand to spend their holidays
Business travellers
UAE residents who are travelling to Thailand
Indian passport holders
International visitors arriving by air, land, or sea

When Should You Complete the TDAC Form?

Completing the TDAC form at the right time is very important. Travellers should complete the TDAC form within the given time period before arriving in Thailand. Filling it out before departure also gives you enough time to review the details and fix any mistakes. You can book our best Thailand tour package that includes popular attractions, comfortable stays, and travel support.

When to Submit the TDAC Form

Travellers should avoid submitting the TDAC form too early. The TDAC requires accurate arrival and travel details. So you should complete the form as per your travel dates before entering Thailand. If you forget to complete the TDAC form before travelling, it can also have a negative impact on your arrival process.

Documents and Information You Need Before Filling the TDAC Form

Before starting the TDAC form, travellers should keep all their necessary information ready. Having the correct documents nearby also makes the process quicker, and it reduces the chances of submitting incorrect details. Read our guide on the Digital Arrival Card and essential places to visit in Thailand for more travel inspiration.

Passport Information

You will need your valid passport details, including:

Full name
Passport number
Nationality
Date of birth

Flight Details

Keep your Thailand arrival flight information ready, such as:

Flight number
Date of Arrival
Travel details

Accommodation Details

Travellers should also give their information about their stay in Thailand, including:

Hotel name
Accommodation address

Contact Information

Provide the contact details that are active, including:

Email address
Mobile number

Travel History (If Required)

Some of the travellers may also have to submit their additional travel-related information depending on the requirements given in the form. Travellers can also book our Thailand 7-days tour package to plan a complete holiday experience with expert travel support.

How to Fill TDAC Form in 2026 (Step-by-Step Guide)

If you are wondering how to fill TDAC Form 2026, it is a very simple online process if you have all the information ready. Travellers should carefully enter every detail and review the form before submission to avoid any kind of problems during their arrival. Read our guide on Thailand visa from UAE in 2026 to learn more about requirements and important travel information.

Step 1 – Visit the Official TDAC Website

You should start your TDAC by visiting the official Thailand Digital Arrival Card website and begin your registration process.

Step 2 – Enter Your Personal Details

Provide your personal information, which will include your full name, nationality, date of birth, and other travel details.

Step 3 – Add Passport Information

Enter your passport details very carefully. Make sure that your passport number and personal information perfectly match your travel document.

Step 4 – Enter Your Travel Information

Add your arrival details, including flight information, arrival date, and travel details.

Step 5 – Provide Accommodation Details

Enter your accommodation information in Thailand, including your hotel name and address.

Step 6 – Complete Required Declarations

Complete any required health or travel declarations if it is mentioned in the TDAC form.

Step 7 – Review Your TDAC Form Carefully

Before submitting your application, you should check all details very carefully. Even if you have made small mistakes in your passport numbers, dates, or accommodation details. It can create issues later.

Step 8 – Submit the TDAC Form

After confirming that all information is correct, you can submit your TDAC form online.

Step 9 – Download or Save the Confirmation QR Code

After successful submission, save the TDAC confirmation and QR code. Keep it easily accessible during your Thailand arrival process.

Common Mistakes to Avoid When Filling the TDAC Form

While following the steps for how to fill TDAC Form 2026, travellers should carefully review their information to avoid common errors. Although the TDAC process is simple, small errors can also cause delays at the time of immigration clearance. Always double-check your information before submitting the form. You can also go through our guide on mistakes to avoid in Thailand in 2026 before planning your trip.

Incorrect Passport Number

Entering an incorrect passport number is one of the most common mistakes. Always copy the details exactly from your passport.

Wrong Arrival Date

Make sure that your arrival date properly matches your actual travel schedule and flight booking details.

Using an Incorrect Email Address

The confirmation details will be sent to you via email. So you should provide an active email address that you can access.

Entering the Wrong Hotel Address

Checking your accommodation details carefully before submitting the form can help you to avoid incorrect information.

Waiting Until the Last Minute

Complete your TDAC before travelling; don’t wait until the airport. Early completion helps avoid unnecessary stress. You can go through our guide on Thailand visa policy updates for UAE residents to understand the latest information before travelling.

Can You Edit Your TDAC Form After Submission?

Sometimes travellers notice mistakes after they submit their TDAC form. In such cases, understanding the correction process can help them to avoid confusion before arrival. There are some details that you can correct depending on the type of information you have filled in and the available options in the TDAC system.

If important information is incorrect, like travel details or personal information. Travellers may need to fill out a new TDAC form before arriving in Thailand. After completing the new TDAC registration. Travellers will get their confirmation details that they can save until they arrive in Thailand. For first-time visitors, our guide on first-time travel to Thailand can help you understand essential travel information before departure.

Confirmation Email

A confirmation email is sent to you via the email address that you have given to them. After successful submission, you should keep this email safe for future reference.

QR Code or Reference Number

The TDAC confirmation includes important details such as a QR code or reference number. The immigration authorities can also check it during arrival procedures.

Documents to Show at Immigration

Travellers should carry:

Valid passport
Travel documents
TDAC confirmation details

Planning Your Thailand Trip?

Completing the TDAC is only one part of preparing for your Thailand holiday. Proper planning can help you to enjoy a comfortable and stress-free travel experience.

Check Thailand Visa Requirements

Always confirm visa requirements before the date of your departure to avoid last-minute issues. You can also apply for a Thailand visa from UAE for guidance with the visa process and documents.

Enquire - Thailand visa from UAE

Book Flights Early

Booking flights in advance also provides you with more travel options and better planning flexibility.

Buy Travel Insurance

Having travel insurance can give you additional support during unexpected travel situations.

Plan Your Thailand Itinerary

Research destinations, activities, and experiences to make the most of your Thailand trip.

Choose the Right Thailand Tour Package

Choosing the right Thailand tour package can help you to explore popular attractions with better convenience and support. You can start planning the rest of your Thailand journey by booking our Thailand tour package from the UAE that matches your travel preferences.

Enquire - Thailand tour package from the UAE

Frequently Asked Questions

Q. Is the TDAC Form Free?

Yes, travellers can complete the TDAC form online without paying any application fee.

Q. Can I Complete the TDAC at the Airport?

You should complete the form before reaching the airport to avoid delays during arrival.

Q. Can I Travel Without a TDAC?

Travellers who have to complete the TDAC should submit it before arrival in Thailand.

Q. How Long Does It Take to Fill the TDAC Form?

The form usually takes only a few minutes to complete if all your essential information is available.

Q. Can Travel Saga Tourism Help Me With Thailand TDAC and Travel Planning?

Yes, Travel Saga Tourism can help you with Thailand travel planning, including visa assistance, holiday packages, flights, and other travel arrangements for a smooth Thailand trip.

Final Thoughts

Understanding how to fill TDAC Form 2026 before your journey helps you complete Thailand’s arrival requirement smoothly and enjoy a hassle-free travel experience. The Thailand Digital Arrival Card is an important step for international travellers visiting Thailand in 2026. Completing the form correctly before departure helps create a smoother and faster arrival experience.

Before submitting your TDAC, always check your passport details, flight information, and accommodation details carefully. Keep your confirmation QR code ready so you can complete the arrival process without difficulty. For Thailand visa assistance, holiday packages, and travel planning support, Travel Saga Tourism can help you to organise a hassle-free Thailand journey.