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Last updated 2026-07-23

Spouses and children visa O in Thailand for U.S. citizens

Visa for accompanying SMART holder visa

Visa overview

For spouses and dependent children of SMART Visa holders. Requires a letter of qualification endorsement from the SMART Visa Unit (BOI), proof of relationship, and evidence of financial support. Allows a stay matching the primary SMART Visa holder’s duration, with the possibility of extension based on the primary holder’s status and continued qualification.

Visa validity period

2 years

Consular fee

฿10,000 - ฿40,000 (~$296 - ~$1,183)

Time frames and cost

Visas are issued with a validity period of up to 4 years and a renewable stay duration, costing 10,000 THB per year. The applicant specifies an initial stay duration from 1 to 4 years in the visa application form. The total stay under this visa cannot exceed 4 years, regardless of the initially requested duration or number of extensions.

1 year

2 years

3 years

4 years

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Documents

Mandatory

Supporting

Additional

*Foreign official documents must be apostilled and legalized in accordance with the regulations of the country whose consular or diplomatic mission they are being submitted to. Additionally, they must be accompanied by a certified translation into the official language of that country or into English, unless otherwise specified by the mission's requirements.

**Prior to submitting the documents, it is strongly advised to verify the specific procedures and requirements with the relevant mission.

Requirements

  • Clear purposes of the visit and documents confirming them, in accordance with the visa conditions.

  • Sufficient means to support oneself and their dependents for the duration of their stay in the country.

  • The applicant does not pose a threat to public order, internal security, public health or international relations of the country.

  • Strong ties to the country of origin and compelling reasons to return there, ensuring compliance with the terms and duration of stay.

  • Insurance policy for the entire period of stay, meeting the minimum mandatory or recommended requirements for the country.

  • Valid permanent resident status or proof thereof; all preliminary procedures for visa application have been completed.

Visa Information

English international

Type of visa

SMART visa

Category

SMART visa

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