A Thailand visa extension allows you to legally extend your stay by 30 days beyond your initial permit, without leaving the country. The process costs 1,900 THB and takes roughly 30 minutes to 2 hours at a Thai immigration office. This guide walks you through who qualifies, what documents you need, where to apply, and what happens if you overstay.
What Is a Thailand Visa Extension?
A Thailand visa extension is an official stamp added to your passport by the Thai Immigration Bureau. It grants you an additional 30 days of lawful stay beyond the period you were originally given when you entered Thailand. The extension is not automatic — you must apply in person at an immigration office before your current stay expires.
This extension applies to most visa types and entry stamps, including:
- Tourist Visa holders (60-day initial stay, extendable to 90 days)
- Visa Exemption stamp holders (30 or 60 days, extendable by 30 days)
- Visa on Arrival holders (15 days — NOT extendable in most cases)
- Non-Immigrant Visa holders (90 days, extendable for longer periods depending on visa type)
If you entered Thailand on a Thailand Tourist Visa, you can extend your stay once per entry. If you are on a Visa Exemption stamp, the same 30-day extension applies. The key rule is that you must apply before your current permission to stay expires — applying even one day late counts as an overstay.
Who Can Extend Their Visa?
Most foreign visitors in Thailand qualify for a 30-day extension, but eligibility depends on your visa type and nationality.
Eligible Visa Types
| Visa Type | Initial Stay | Extension Available | Maximum Stay |
|---|---|---|---|
| Single-Entry Tourist Visa | 60 days | 30 days | 90 days |
| Multiple-Entry Tourist Visa | 60 days per entry | 30 days per entry | 90 days per entry |
| Visa Exemption (60-day) | 60 days | 30 days | 90 days |
| Visa Exemption (30-day) | 30 days | 30 days | 60 days |
| Non-Immigrant Visa (90-day) | 90 days | 30 days | 120 days |
| DTV Visa | 180 days per entry | Case-by-case | Varies |
| Visa on Arrival | 15 days | Generally no | 15 days |
Who Cannot Extend?
- Visa on Arrival holders: This 15-day entry stamp is typically not extendable. If you need more time, you must leave Thailand and re-enter with a proper visa. Check with the TDAC requirements for entry documentation.
- Overstayers: If you have already overstayed, you cannot apply for an extension. You must pay the overstay fine and leave Thailand.
- Persons with a “pending” immigration status: If your visa is under review or you have an outstanding case at immigration, extensions may be denied.
How to Apply for a Thailand Visa Extension
The extension process is straightforward and can be completed in a single visit to any Thai immigration office.
Step 1: Gather Your Documents
Bring the following to the immigration office:
- Passport (original, with at least 6 months validity remaining)
- Photocopies of your passport’s main page, the page with your current visa, the page with your entry stamp, and your TM.6 departure card
- One passport-sized photo (4×6 cm, taken within the last 6 months)
- TM.7 extension application form (available at the immigration office or downloadable online)
- Cash for the 1,900 THB extension fee
Step 2: Visit the Immigration Office
You can apply at any of the 11 immigration offices across Thailand. The most commonly used locations include:
| Office Location | Address | Notes |
|---|---|---|
| Bangkok (Chaeng Wattana) | Government Complex, Chaeng Wattana Road | Largest office, expect long queues |
| Chiang Mai | 71 Moo 3, Sanambin Road | Popular with digital nomads |
| Phuket | 482 Phuket Road | Busy during high season |
| Pattaya | Soi 5, Jomtien Beach Road | Moderate wait times |
| Koh Samui | 55/18 Moo 1, Bophut | Smaller office, faster service |
Tip: Arrive early — immigration offices open at 8:30 AM and queues form before opening. The process typically takes 30 minutes to 2 hours depending on how busy the office is.
Step 3: Submit Your Application
- Take a queue number at the extension counter
- Submit your documents when called
- The officer will review your paperwork and may ask basic questions about your stay
- Pay the 1,900 THB fee at the payment counter
- Wait for your passport to be returned with the extension stamp
Your new permission to stay date will be stamped directly into your passport. Keep a photocopy of the stamp for your records.
Thailand Visa Extension Fees
| Item | Fee (THB) | Fee (USD approx.) |
|---|---|---|
| 30-day extension | 1,900 THB | ~$53 USD |
| Overstay fine (per day) | 500 THB | ~$14 USD |
| Overstay fine (maximum) | 20,000 THB | ~$560 USD |
The extension fee must be paid in Thai Baht, in cash. Immigration offices do not accept credit cards or foreign currency. For a full overview of all visa-related costs, see our Thailand TDAC Fee guide.
Important: The 1,900 THB fee is non-refundable, even if your application is denied. Denials are rare for straightforward tourist extensions but can happen if you have a history of frequent extensions, overstays, or visa violations.
Overstay Penalties in Thailand
Thailand takes overstaying seriously. If you remain in the country beyond your permitted stay — even by a single day — you face penalties at the airport when you depart.
Overstay Fine Structure
| Overstay Duration | Penalty |
|---|---|
| 1-40 days | 500 THB per day (paid at airport) |
| 41-90 days | 500 THB per day + possible 1-year ban |
| Over 90 days | 500 THB per day (up to 20,000 THB) + detention + 1-10 year ban |
| Over 1 year | Detention, deportation, and 5-10 year re-entry ban |
If you are caught overstaying during a random police check (not at the airport), the consequences are more severe. You may face detention at the Immigration Detention Center in Bangkok before deportation. An overstay stamp in your passport also makes it much harder to obtain future Thai visas.
How to Avoid Overstaying
- Note your permission-to-stay date — it is the stamp in your passport, not your visa expiry date
- Apply for an extension at least 3-5 days before your stay expires to allow for unexpected delays (office closures, public holidays)
- If you need more than 30 extra days, consider a “border run” — leaving Thailand and re-entering to get a fresh entry stamp (if your visa supports multiple entries)
For a complete breakdown of processing timelines, see our Thailand Visa Processing Time guide.
Special Extension Types
Beyond the standard 30-day extension, Thailand offers several specialized extension categories for different visa holders.
Retirement Visa Extension
Holders of a Non-Immigrant O (Retirement) Visa can apply for a 1-year extension, subject to financial requirements:
- Minimum 800,000 THB in a Thai bank account, OR
- Monthly income of at least 65,000 THB, OR
- A combination of savings and income totaling 800,000 THB per year
This extension must be renewed annually and requires a 90-day check-in at the immigration office.
Marriage Visa Extension
If you are legally married to a Thai national, you can extend your Non-Immigrant O Visa for 1 year. Requirements include:
- Marriage certificate (Thai and English versions)
- 400,000 THB in a Thai bank account OR monthly income of 40,000 THB
- Proof of cohabitation (photos, shared address documentation)
Education Visa Extension
Holders of a Non-Immigrant ED Visa (for studying at a Thai institution) can extend their stay for the duration of their course, typically in 90-day or 1-year increments. The school must provide enrollment documentation for each extension.
DTV Visa Extension
The Destination Thailand Visa (DTV) allows stays of up to 180 days per entry, valid for 5 years. Extensions beyond 180 days within a single entry are handled on a case-by-case basis. For details on this and other visa types, visit our guide to Thailand Business Visa options.
Multiple Extensions and Re-Entry Strategy
You can only extend a single entry once by 30 days. If you need more time, you have several options:
Option 1: Leave and Re-Enter (Border Run)
Exit Thailand to a neighboring country (Cambodia, Laos, Malaysia, or Myanmar) and return with a fresh entry stamp. This resets your allowed stay and you can extend again.
Key considerations:
- Your visa must be a multiple-entry type, or you must be eligible for Visa Exemption
- Land border crossings limit you to 2 entries per calendar year (for Visa Exemption)
- Air arrivals do not have this limit, but immigration may question frequent entries
Option 2: Apply for a New Visa
Leave Thailand and apply for a fresh Tourist Visa at a Thai embassy or consulate in a neighboring country. Popular locations include:
- Vientiane, Laos — Most popular for visa runs
- Penang, Malaysia — Quick processing
- Phnom Penh, Cambodia — Easier to get appointments
Option 3: Change Visa Type
If your circumstances change (e.g., you start working, get married, or enroll in school), you may be able to change your visa type at the immigration office without leaving Thailand. This is evaluated on a case-by-case basis.
90-Day Reporting
If you stay in Thailand for more than 90 consecutive days, you must report your current address to immigration every 90 days. This applies to all foreign residents, regardless of visa type.
How to report:
- Visit the immigration office in person, OR
- Submit the report online at immigration.go.th (7-15 days before the due date), OR
- Send a representative with your passport and a signed authorization letter
Failure to report results in a 2,000 THB fine. Repeated violations can affect future visa applications.
Tips for a Smooth Extension Process
- Arrive early. Immigration offices accept applications starting at 8:30 AM. Arriving by 8:00 AM ensures you get through quickly.
- Bring extra photocopies. Have at least 2 copies of your passport main page, visa page, entry stamp page, and departure card.
- Dress appropriately. Immigration offices enforce a dress code — no shorts, sleeveless shirts, or flip-flops.
- Check for public holidays. Thai immigration offices close on Thai public holidays. Check the calendar before visiting.
- Complete the Thailand Digital Arrival Card (TDAC) before your initial entry if you plan to re-enter Thailand after a border run.
- Keep your receipt. After paying the extension fee, you receive a small receipt. Keep it with your passport as proof of payment.
FAQs About Thailand Visa Extension
How many times can I extend my Thailand visa?
You can extend a single entry once for 30 days. After that, you must leave and re-enter Thailand for a fresh entry stamp. There is no limit to the number of extensions you can get over your lifetime, but each applies to a separate entry.
Can I extend a Visa on Arrival in Thailand?
Generally, no. The 15-day Visa on Arrival is not extendable. If you need more time, you must leave Thailand and apply for a proper Tourist Visa or qualify for Visa Exemption at a Thai embassy or consulate abroad.
What happens if I overstay my visa in Thailand by one day?
You will be fined 500 THB at the airport when you depart. A single day of overstay does not result in a ban, but an overstay stamp will be placed in your passport, which may affect future visa applications.
Can I apply for a visa extension online?
No. Extensions must be applied for in person at a Thai immigration office. You cannot apply online, by mail, or through an agent without appearing in person with your passport.
How long does a Thailand visa extension take?
The process typically takes 30 minutes to 2 hours. Peak season (November to March) and the Bangkok Chaeng Wattana office tend to have longer wait times.
Do I need a flight ticket to extend my visa?
No. You do not need to show a flight ticket for a standard 30-day extension. However, immigration officers may ask about your plans and accommodation if your passport has a history of frequent extensions.
Can I work in Thailand on an extended tourist visa?
No. A tourist visa extension does not change the terms of your visa. Working on a tourist visa is illegal and can result in fines, deportation, and a ban from re-entering Thailand.
What is the TM.7 form and where do I get it?
The TM.7 is the official application form for a stay extension. You can pick it up for free at any immigration office, or download it from the Royal Thai Immigration Bureau website. Fill it out in black ink and attach one passport-sized photo.
Can I extend my stay if my passport expires in less than 6 months?
Thailand requires at least 6 months of passport validity for visa extensions. If your passport expires sooner, you must renew it at your embassy in Thailand before applying.
Is the visa extension fee refundable if denied?
No. The 1,900 THB fee is non-refundable regardless of the outcome of your application. Denials are uncommon for standard extensions but can happen if you have immigration violations on your record.
