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Thailand Cash Declaration: USD 15,000 or THB 450,000

Carrying cash in or out of Thailand? Declare it to Customs if foreign banknotes or coins pass USD 15,000, or baht passes THB 450,000. A mix of baht, foreign cash and instruments counts together against THB 450,000. Skipping it risks a fine of up to THB 20,000, up to 3 years in prison, or both.

On this page
  1. The two limits
  2. Coming in and going out
  3. How to declare
  4. If you do not declare
  5. Your bank may ask later
  6. Step by step
  7. Common questions

Will you be stopped? Only if you carry a lot: count what you carry, because the line is USD 15,000 in foreign cash or THB 450,000 in baht, and past either one you declare to Customs, coming or going.

The two limits

Foreign banknotes and coins worth more than USD 15,000 or the equivalent must be declared. Baht above THB 450,000 must be declared too. If you carry a mix, add it all up, because baht, foreign cash and instruments together count against THB 450,000.

What you carry Declare when it exceeds
Foreign banknotes and coins USD 15,000 or the equivalent
Baht banknotes and coins THB 450,000
Baht, foreign currency and instruments together THB 450,000

Foreign currencies which are foreign currency notes or coins which their aggregate value exceeding US$15,000 or its equivalent at market rate

Notification of the Ministry of Finance, Exchange Control (No. 6), clause 1(2), Bank of Thailand translation

First page of the Thai Customs Department citizen manual on sending or bringing currency and foreign currency out of or into the country, in Thai.
The Customs Department manual that sets the declaration thresholds for baht and foreign currency. Source: Customs Department citizen manual on carrying currency in and out (revised 02/2568), page 1 (opens in a new tab), captured 17 October 2026
Do you declare your cash? Applies when you enter or leave Thailand Foreign banknotes and coins worth more than USD 15,000? Declare to a Customs officer YES NO Baht banknotes and coins worth more than THB 450,000? Declare to a Customs officer YES NO Baht, foreign currency and instruments together above THB 450,000? YES Declare to a Customs officer NO No declaration line is crossed ThailandBuddy.com · Sources: Ministry of Finance Notification (Exchange Control) No. 6; Customs Department manual; Bank of Thailand Verified 17 Oct 2026 · Re-checked every 6 months Do you declare your cash? Applies when you enter or leave Thailand Foreign banknotes and coins worth more than USD 15,000? YES Declare to a Customs officer NO Baht banknotes and coins worth more than THB 450,000? YES Declare to a Customs officer NO Baht, foreign currency and instruments together above THB 450,000? YES Declare to a Customs officer NO No declaration line is crossed ThailandBuddy.com · Sources: Ministry of Finance Notification (Exchange Control) No. 6; Customs Department manual; Bank of Thailand Verified 17 Oct 2026 · Re-checked every 6 months
Three tests for a declaration: foreign cash above USD 15,000, baht above THB 450,000, and a mix above THB 450,000. Checked 17 Oct 2026.
Tap to enlarge diagram

Cheques and similar instruments count only if the payee is not named and there is no restriction on transfer. A guide that says USD 20,000 is out of date, since that figure sits on an old Customs page.

Coming in and going out

Coming in, you may bring banknotes with no amount limit. Going out, foreign banknotes are capped at what you bought from authorised banks or money changers. Keep your exchange receipts.

Baht going to a bordering country, Vietnam or Yunnan is capped at THB 2 million. Baht going anywhere else is capped at THB 50,000. Above those caps, you need Bank of Thailand permission before you declare.

How to declare

Declare in person to a Customs officer as you pass customs. You can also declare to an immigration officer at the immigration or border checkpoint.

  1. Go to the Customs officer at the checkpoint.
  2. Take the form for Thai currency, foreign currency or negotiable instruments.
  3. Fill it in clearly. The officer checks it and counts the money.
  4. The officer stamps the form.

Declaring costs nothing. Customs passes the data to the Ministry of Finance and the Anti-Money Laundering Office.

If you do not declare

Breaking the rules carries a fine of up to THB 20,000, up to 3 years in prison, or both. Customs may also search, confiscate and arrest.

Page of the Bank of Thailand English translation of the Exchange Control Act with section 8 on the penalty and section 8 bis on Customs powers.
The Act page with the penalty section and the Customs powers section. Source: Exchange Control Act, Bank of Thailand translation, page with section 8 (opens in a new tab), captured 17 October 2026

Your bank may ask later

When you change or deposit foreign cash, a bank accepts up to USD 15,000 a day without asking for documents. Above that, it asks for papers showing the money came into the country, such as the Customs declaration. Keep your stamped form if you plan to change or deposit what you brought in.

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Step by step

  1. Add up everything you carryCount foreign banknotes and coins, baht notes and coins, and negotiable instruments. Foreign cash above USD 15,000 or baht above THB 450,000 must be declared.
  2. Go to a Customs officerDeclare in person to a Customs officer while passing customs.
  3. Complete the formUse the form for Thai currency, foreign currency or negotiable instruments.
  4. Have it stampedThe officer checks the form and stamps it. Declaring is free.

Not confirmed: The Bank of Thailand page caps foreign banknotes taken out at the amount bought from banks or money changers. No Customs page repeats that cap, so the airport check is unknown. Keep your exchange receipts if you carry foreign cash out. Whether relatives travelling together may pool one declaration is not confirmed.

Common questions

Is the Thailand declaration limit USD 15,000?

Yes, USD 15,000 or the equivalent. A figure of USD 20,000 comes from a Customs page last updated on 29 February 2016.

Do I declare baht and dollars separately?

Each has its own line: foreign cash above USD 15,000 and baht above THB 450,000. A mix above THB 450,000 in total must also be declared.

Is there a limit on bringing cash into Thailand?

There is no amount limit on bringing banknotes in. Above the thresholds you still declare.

How much baht can I take out of Thailand?

Up to THB 2 million to bordering countries, Vietnam and Yunnan, and up to THB 50,000 to other countries. Above those caps you need Bank of Thailand permission first.

What happens if I do not declare?

A fine of up to THB 20,000, up to 3 years in prison, or both. Customs may search, confiscate and arrest.

Will my bank ask for the Customs form later?

Banks accept foreign banknotes up to USD 15,000 a day without documents. Above that they ask for documents showing the money was brought in, such as the Customs declaration.

Sources and reader comments

Official sources:

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Comments (1)

  1. Imaginary-Eye5478

    Tourist denied entry over min cash rule A foreign tourist has warned travellers after being denied entry at Thailand's Don Mueang Airport for insufficient funds. Immigration officers enforced the regulation requiring visitors to prove they possess at least 20,000 baht upon arrival. The traveller claimed she was unaware of the rule and was refused permission to withdraw cash from an ATM. She expressed frustration at the lack of clear guidance and was told to attempt entry through a different airport. Thai authorities confirm that proof of financial means is a mandatory requirement, though enforcement remains discretionary. Tourists are advised to ensure they carry adequate funds or documentation to prevent border issues.

General information checked against the sources listed above, not financial or tax advice for your situation. Rules and fees change; confirm with your bank, the Revenue Department or a licensed adviser before you act. See how guides are checked.

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