Customs & Cash in Thailand: what are the rules for travelers?

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Customs & Cash — Thailand

What travelers need to know about customs & cash in Thailand. What is legal at home can be a serious crime here — each rule links to its official source.

Short answer

Customs & Cash in Thailand: what every traveler should know.

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GOOD TO KNOW

Foreign currency (notes and coins) exceeding USD 20,000 or its equivalent must be declared to Customs when entering or leaving Thailand.

Undeclared currency over the limit may be subject to enforcement action.

§ Royal Thai Embassy (London)

Verified Jul 6, 2026

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LawLert is an independent app and is not affiliated with any government. It summarizes laws from official government and U.S. State Department sources for general information only. This is not legal advice, and laws change. Always confirm with official sources and local authorities before you travel.