Travel from South Korea to Thailand is straightforward
This is the generic answer for any South Korea citizen. Not legal or medical advice — verify with your airline and destination authorities before travel.
South Korea passport holders can travel to Thailand without a visa for stays of up to 90 days.
Generic country-level guidance for Thailand. Verify against the official source before you travel.
This page covers a direct flight to Thailand. If your route connects through a third country, that country may require its own transit visa — sometimes even for a short airside layover. Transit rules depend on your specific routing, so check the country you connect through separately, or analyse your full itinerary.
No visa required for entry to Thailand. Stays of up to 90 days are permitted under the visa-waiver agreement.
You're travelling to Thailand (TH). Your home cellular plan may or may not include data abroad — check your carrier's international options before you fly. An eSIM is a low-commitment alternative if your plan doesn't cover the destination or charges high roaming rates.
Declare USD 10,000 or equivalent when entering or leaving South Korea (KR). Form: Customs declaration. Declare USD 10,000+ equivalent
Declare USD 20,000 or equivalent when entering or leaving Thailand (TH). Form: Customs declaration. Declare USD 20,000+ or equivalent; THB 50,000+ on exit
This page covers the generic case for any South Korea citizen. Sign in (free) to factor in your specific passport expiry, vaccinations, previous visas held, and connecting flights — and get the same analysis for your exact itinerary.
Sign in (free) to personalize →The US State Department publishes these advisories for your route. Thailand: Level 2 — Exercise Increased Caution (as of 2025-07-25). Review the country page for the specific areas and risks flagged before you go. This is a US State Department safety perspective, not an entry or boarding rule — it doesn't affect whether you can board, only what to be aware of on the ground. Travellers from other countries should also check their own government's advisory.
Your itinerary touches Thailand (TH), where malaria transmission occurs. Transmission is often region-limited within a country (e.g. coastal vs highland zones) and varies by season. Discuss prophylaxis with a travel medicine clinician — the right antimalarial depends on the specific region, your medical history, and any medications you take.
Thailand (TH) requires every traveller to submit the Thailand TM6 Digital Arrival/Departure Card for entry — best done a few days before departure rather than in the airport queue. Without it, expect to be pulled aside at the border or denied boarding. Digital immigration card replacing the paper TM6 form. Complete before arrival. Apply at: https://tm6.immigration.go.th/
Thailand (TH) restricts or bans the import of: codeine, psychotropic substances, some sleeping pills. The risk is real — travellers have been detained at customs for over-the-counter products that are routine elsewhere. If you take any prescription medication, look up the active ingredient against the restricted list above before booking. Always carry the prescription bottle plus a doctor's letter naming the medication and the condition it treats. Adding your medications to your profile (optional) lets us tell you specifically which of yours match. Thailand FDA approval needed for some medications; carry prescription.
Thailand's entry rules ask for proof you'll leave the country, but visa-waiver / ETA travelers like you usually get waved through without check-in agents looking. Have a screenshot of your return flight (or any onward ticket) on your phone in case they do — answers the question instantly.
Thailand (TH)'s immigration officers can ask arriving visitors to show they have enough money for the stay — some travellers are never asked, others are pulled aside at the same border on the same day, so plan as if you will be. Approximately $30/day per person. Accepted: Cash or bank statement showing 20,000 THB. Thailand requires 20,000 THB or equivalent per person Have a recent bank statement, a credit card with available limit, or a sponsor letter ready — the goal is to have a documented answer the officer can check in 30 seconds, not a debate.
Typical September conditions at BKK (Thailand (TH)): wet. Typical lows around 24°C, highs around 32°C, frequent rainfall (~296mm for the month). Expect frequent rainfall this month (~296mm typical). Pack a compact rain shell and a small umbrella.