Thailand Visa Overstay: Fines, Risks and What to Do

A visa overstay in Thailand means remaining in the country after your permission to stay has expired. Check the “admitted until” date in your passport or immigration record: it is that date, rather than your flight booking or the expiry date printed on an old visa, that you need to act on.

If your permission is close to expiring, deal with it before the date passes. If you have already overstayed, seek advice promptly. The options and consequences depend on your circumstances and how long you have been on overstay.

What happens if you overstay in Thailand?

Thai authorities generally impose an overstay fine of 500 baht per day, up to a maximum of 20,000 baht. An overstay can also affect future travel. Longer overstays may result in a ban on returning to Thailand; being arrested while on overstay can have more serious consequences than presenting yourself to the authorities.

Overstay is not simply an extra charge for staying longer. Depending on the circumstances, it can lead to arrest, detention and deportation. Do not assume that paying a fine will resolve every case.

My permission has not expired yet — what should I do?

1. Check your permitted-stay date. Look at your latest entry or extension stamp and allow time to act before it expires.
2. Check whether an extension is available. Eligibility depends on how you entered Thailand and your immigration history. An application must be considered by Thai Immigration; an extension is not automatic.
3. Prepare your documents early. An immigration office may ask for your passport, application form, photograph, address information and other supporting evidence.
4. Make a departure plan if you cannot extend. Arrange to leave before your permission expires rather than relying on a presumed grace period.

Visitors considering a short extension can read our 30-day visa extension guide.

I have already overstayed — what now?

First, check how many days have passed since your permission expired and make sure you have your passport and travel documents. Seek advice promptly about contacting Thai Immigration and, where appropriate, arranging departure. The right practical steps will depend on the length of overstay, your passport and current location, and whether there are other immigration issues.

Do not wait for a police or immigration check to force the issue. If your passport is lost, expired or held by someone else, explain that immediately when seeking help; it may affect how your case can be resolved.

Can an overstay lead to a re-entry ban?

Yes. Thai overstay measures provide for re-entry bans in longer overstay cases. The length of a ban depends in part on the period of overstay and whether the person surrenders to the authorities or is arrested and prosecuted. Do not rely on someone else’s experience to predict your outcome.

What if someone has been arrested?

Arrest for overstay can lead to court proceedings, immigration detention and deportation. British nationals can consult the UK government’s Thailand overstay and deportation guide for information about the process and consular assistance.

How can you avoid overstaying again?

Check your permitted-stay date each time you enter Thailand or receive an extension, and put a reminder in your calendar well before it expires. Keep clear copies of your passport’s identity page and relevant immigration stamps. If your travel plans change, check your options before the deadline rather than afterwards.

For the published ban categories, see the Royal Thai Consulate-General’s overstay measures. Thai authorities decide the outcome of each case.