A Thailand Transit Visa is for travellers who need to pass through Thailand on their way to another country and must enter Thailand to continue their trip.
Not every passenger changing flights needs one. If your connection is under 12 hours, your baggage is checked through, and you remain in the international transit area without passing through Thai immigration, you will not normally need a Transit Visa. The rules can depend on your nationality, the airport, the airline, and your travel arrangements.
You may need a transit visa if you have to pick up your luggage, switch airports, leave the transit area, or spend time in Thailand before your next flight.
This guide covers who needs a Thailand Transit Visa, how long you can stay, what documents you need, and how to apply.
Thailand Transit Visa at a Glance
| Feature | Details |
|---|---|
| Main purpose | Passing through Thailand on the way to another country |
| Common category | Transit Visa category TS |
| Application before travel | Required when a traveller needs to enter Thailand and is not covered by another entry arrangement |
| Visa validity | Usually three months |
| Permitted stay | Up to 30 days per entry |
| Work permitted | No |
| Where to apply | Through the Thai e-Visa system or a Thai embassy or consulate |
| Important point | Travellers remaining airside may not need to enter Thailand |
Do You Need a Thailand Transit Visa?
You might need a Thailand Transit Visa if you have to go through Thai immigration and do not qualify for visa exemption, Visa on Arrival, or another valid visa.
This can happen when:
- Your baggage is not checked through to your final destination.
- You need to change airports in Thailand.
- You plan to leave the airport during the connection.
- Your itinerary requires an overnight stay outside the international transit area.
- Your airline requires you to check in again after entering Thailand.
Travellers who remain in the designated international transit area for less than 12 hours and do not pass through Thai immigration do not normally need a transit visa. A visa may be required if the connection is longer, the traveller must enter Thailand, or the journey comprises a change of airport. Check the arrangements with your airline before travelling.
Thailand Transit Visa Requirements
The exact requirements can vary depending on your nationality and where you apply, but applicants are usually asked to provide:
- A passport valid for at least six months.
- A recent passport-style photograph.
- A completed Thailand Digital Arrival Card if you will pass through immigration and enter Thailand.
- Proof of your current location or legal residence.
- Confirmed travel bookings showing your journey into Thailand and onward to another country.
- Evidence of accommodation in Thailand if you will leave the airport or stay overnight.
- Proof that you have enough money for the visit.
- Any additional documents requested by the Thai embassy or consulate handling the application.
Your onward ticket needs to make it clear that Thailand is just one stop on your way to another country, not your final destination.
Before you submit your documents, make sure the information on your passport, tickets and application all matches.
Since requirements can differ by location, use the document list from the place where you are applying.
How to Apply for a Thailand Transit Visa
Step 1: Check That You Need the Visa
Make sure you need to enter Thailand instead of just staying in the international transit area. Check if you qualify for visa exemption, Visa on Arrival, or another type of valid visa.
Step 2: Get Your Documents Together
Have your passport, a recent photograph, travel bookings, an onward ticket and accommodation details ready. Check the embassy or consulate’s latest list in case they ask for anything else.
Step 3: Apply Online
Submit the application through Thailand’s official e-Visa website at thaievisa.go.th. You must apply while you are outside Thailand.
Step 4: Upload the Documents and Pay the Fee
Before you upload your documents and pay the fee, make sure all the details match your passport and travel plans. Visa fees are usually non-refundable.
Step 5: Wait for the Decision
The embassy or consulate may ask for more information or additional documents. Processing times vary, so apply well before your planned journey.
Step 6: Travel with the Visa Confirmation
After your visa is approved, keep a printed or digital copy of the confirmation with your travel documents. Thai immigration will make the final decision on your entry and the length of your stay when you arrive.
Thailand Transit Visa Fee
The standard Thailand Transit Visa fee is based on a charge of 800 Thai baht per entry, but applicants normally pay the amount set by the Thai embassy or consulate handling the application.
Fees are usually listed in local currency and can vary between countries. Check the current amount shown by the relevant embassy, consulate or e-Visa system before applying.
Visa fees are usually non-refundable, even if your application is denied.

How Long Can You Stay with a Thailand Transit Visa?
With a Thailand Transit Visa, you can stay in the country for up to 30 days each time you enter.
The visa is usually valid for three months from the date it is issued. You need to enter Thailand within this period, but it does not affect how long you can stay.
Your allowed stay starts on the day you arrive. Before you leave immigration, check the date stamped in your passport to see your last day in Thailand.
A transit visa is for travelers who are passing through Thailand on their way to another country. If you want to stay longer, you should apply for a different visa that fits your plans.
A Transit Visa normally cannot be extended. If unexpected circumstances prevent you from leaving Thailand before your permitted stay expires, contact Thai immigration as soon as possible.
Contact an immigration office before your permitted stay expires if your plans unexpectedly change.
Can You Leave the Airport with a Thailand Transit Visa?
Yes, with a Thailand Transit Visa, you can go through immigration and enter the country during your stopover.
This means you can leave the airport, stay in a hotel or visit other places in Thailand, provided you leave before your permitted stay expires.
Be sure to keep your onward ticket and travel documents with you, since immigration might ask for proof that you are travelling to another destination.
If you stay in the airport for a short international connection, you usually do not need to enter Thailand or get a Transit Visa.
Thailand Transit Visa vs Tourist Visa
A Transit Visa is for travellers passing through Thailand on the way to another country. A tourist visa is for people whose main reason for entering Thailand is a holiday or other permitted tourist activity.
The main differences are:
| Feature | Transit Visa | Tourist visa |
|---|---|---|
| Main purpose | Passing through Thailand to another destination | Tourism |
| Permitted stay | Up to 30 days per entry | Usually up to 60 days per entry |
| Supporting evidence | Onward travel to another country | Travel plans and accommodation in Thailand |
| Visa fee | 800 Thai baht per entry, usually charged in local currency | Depends on the visa type and place of application |
| Best suited to | Travellers entering Thailand during a stopover | Travellers visiting Thailand as their main destination |
If you are mainly visiting Thailand or plan to stay for more than 30 days, a tourist visa is usually the best choice. You should only use a transit visa if you are passing through Thailand on your way to another country.
Common Problems and Mistakes
Transit Visa applications may be delayed or refused if your travel plans are unclear or your documents do not match your itinerary.
Common mistakes include:
- Applying for a Transit Visa when you will stay in the airport for a short connection
- Not providing proof of onward travel to another country
- Submitting tickets with dates that do not match your application
- Forgetting to include where you will stay in Thailand during your stopover
- Applying for your visa too close to your travel date
- Assuming that having a visa guarantees you entry
- Staying in Thailand longer than the date allowed by immigration
Before you apply, check if you really need to enter Thailand and make sure your documents clearly show your full journey.
Thai immigration makes the final decision on entry, even if your visa is approved. You also need to provide proof of travel into and out of Thailand with your application.
Frequently Asked Questions
Do You Need a Transit Visa if Your Luggage Is Checked Through?
Usually not. If your bags are checked through to your final destination, you stay in the international transit area, and your connection is under 12 hours, you will not normally need a Transit Visa. It is still worth checking with your airline before you travel, especially if you have separate tickets or an unusual route.
What if You Have Separate Flight Tickets?
If you have separate tickets, you may need to pick up your luggage, go through immigration, and check in again. In this case, you must be allowed to enter Thailand with a Transit Visa, visa exemption, Visa on Arrival, or another valid visa.
Do You Need a Transit Visa to Change Airports in Bangkok?
To travel between airports like Suvarnabhumi and Don Mueang, you have to enter Thailand. Whether you need a Transit Visa depends on your passport and whether you qualify for another way to enter.
Do Transit Passengers Need the Thailand Digital Arrival Card?
You usually do not need to fill out the Thailand Digital Arrival Card if you stay in the international transit area and do not go through immigration. If you need to enter Thailand, you will have to complete it.
Can You Use a Transit Visa for a Holiday in Thailand?
A Transit Visa is for travellers passing through Thailand on their way to another country. If you plan to stay in Thailand for a holiday, you should get a tourist visa or another type of entry permit.
Can You Apply for a Transit Visa After Arriving in Thailand?
No, you need to get a Transit Visa before you travel. You can usually apply online through the Thai e-Visa system or at the Thai embassy or consulate in your country.
Is a Thailand Transit Visa Right for You?
A Thailand Transit Visa is a suitable option if you need to enter Thailand during a stopover and cannot use visa exemption, Visa on Arrival, or another valid visa.
It is intended for travellers continuing to another country rather than those visiting Thailand as their main destination. If Thailand is your main destination, a tourist visa is usually a better choice.
Before you apply, review your travel plans and ask your airline if you will need to go through Thai immigration.
