Document Checklist by Visa Scenario

Five expat-grade checklists drawn from 1,200+ closed cases. Each row shows exactly what you bring and what we handle from our Khon Kaen office.

Quick Answer

What documents do I need for a K-1 fiancé visa from Thailand?

A US K-1 fiancé visa from Thailand requires (1) Form I-129F + petitioner's birth certificate, tax returns and proof of meeting; (2) the Thai fiancé(e)'s passport, ID + Tabien Baan, single-status affidavit (Form 14), birth certificate — all translated and legalized by the Thai MFA; (3) a Police Clearance Certificate (PCC) from the Royal Thai Police; and (4) a medical exam at a US Embassy-approved hospital (Bumrungrad / BNH / St. Louis). Total processing time is typically 8–12 months at USCIS plus 1–2 months at US Embassy Bangkok.

Total time:9–14 months
Government fees:USD 1,800–2,400
Our end-to-end fee:฿35,000–55,000
Approval rate:96%

Source: USCIS · US Embassy Bangkok · Royal Thai Police · Thai MFA Department of Consular Affairs

Written by WiwatNotarial Services AttorneyUpdated June 12, 2026Reviewed by Thai Notary Law attorney team

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K-1 Fiancé(e) Visa — USA

Thai fiancé(e) of a US citizen (incl. USAF Vietnam-era veterans retiring in Isan).

8–12 months USCIS + 1–2 months at US Embassy Bangkok USD 1,800–2,400 (USCIS + embassy) · ฿35,000–55,000 (our end-to-end fee) 96% approval on properly documented cases

Petitioner / Sponsor

Form I-129F (Petition for Alien Fiancé)
US Birth Certificate (state-issued)
Divorce decree or death certificate of prior spouse (if any)
Tax returns / IRS transcripts — last 3 years
Employment letter + 6 months of pay stubs
Two passport photos · Proof of meeting in the last 2 years

Beneficiary (Thai applicant)

Thai passport (≥ 6 months validity)
Thai ID + House Registration (ทร.14) translated & MFA-legalized
Police Clearance Certificate (PCC) from Royal Thai Police
Medical exam at US Embassy-approved hospital (Bumrungrad/BNH/St. Louis)
Birth certificate translated & MFA-legalized
Single status affidavit (Form 14) translated & MFA-legalized
Evidence of bona fide relationship (chats, photos, transfers, calls log)

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CR-1 / IR-1 Spouse Visa — USA

Already married to a US citizen and want a green card on arrival.

14–18 months end-to-end USD 1,200–1,800 + ฿30,000–50,000 97% approval

Petitioner / Sponsor

Form I-130 (Petition for Alien Relative)
Form I-864 Affidavit of Support
US passport / naturalization certificate
Marriage certificate (Thai, translated & legalized)
Tax returns — last 3 years

Beneficiary (Thai applicant)

Thai marriage certificate (Khor Ror 2) + MFA legalization
Birth certificate + Thai ID + House Registration
PCC from Royal Thai Police
Medical exam at embassy-approved hospital
DS-260 immigrant visa application

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Partner Visa Subclass 309 / 100 — Australia

Married or de facto partner of an Australian citizen / PR holder.

12–24 months (subclass 309 onshore grant) AUD 8,850 (DHA fee) + ฿35,000–60,000 94% approval

Petitioner / Sponsor

Form 47SP + Form 40SP (sponsor)
AFP National Police Check + overseas PCC if applicable
Tax assessment notices · Bank statements (12 months)
Statutory Declaration — relationship history

Beneficiary (Thai applicant)

Thai passport + photo page certified copy
Marriage certificate (Khor Ror 2) translated & legalized
PCC from Royal Thai Police
Health exam at panel clinic (Bangkok/Chiang Mai)
Form 80 (Personal Particulars for Character Assessment)
Relationship evidence: joint finances, cohabitation, social, commitment

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UK Spouse Visa (Appendix FM)

Spouse of a British citizen / settled person.

8–12 weeks (priority 3 weeks) £1,846 (visa) + £1,560/yr IHS + ฿30,000–50,000 92% approval

Petitioner / Sponsor

British passport / Settled status
Financial requirement evidence — £29,000/yr gross income OR £88,500 savings
Payslips (6 months) + employer letter + bank statements
Council tax + utility bills (accommodation proof)

Beneficiary (Thai applicant)

Thai passport
TB test certificate from IOM-approved clinic
Marriage certificate translated by ITI translator
English language test (IELTS A1 or higher) OR exempt evidence
Relationship evidence — at least 2 years cohabitation OR equivalent

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Schengen Family Reunion (DE / FR / NL / etc.)

Spouse / child of an EU citizen joining them in Europe.

4–12 weeks depending on embassy €75–€150 + ฿20,000–40,000 95% approval

Petitioner / Sponsor

EU passport / residence permit
Marriage / birth certificate (Apostille from home country)
Employment + housing proof in destination country
Travel insurance covering Schengen area

Beneficiary (Thai applicant)

Thai passport
Marriage / birth certificate translated to destination language & MFA-legalized + embassy attestation
PCC (most embassies require)
Schengen visa application form (national long-stay D)

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