Embassy
Embassy of South Korea, Bangkok
Bangkok
23 Thiam Ruam Mit Road, Ratchadapisek
South Korean citizens do not need a visa for Thailand. Show your passport at the border and stay up to 90 days.

KOR
South Korea
THA
Thailand
No visa needed
People with passports from 5 countries can visit without a visa.
Check your passport is valid for the whole stay, ideally six months beyond it.
Carry proof of onward travel and of funds; border officers can ask for both.
Note the maximum stay and count your days in Thailand.
Your passport and trip length decide which tourist route fits.
How to apply
Documents required
How to apply
Documents required
How to apply
Documents required
How to apply
Documents required
For lost passports and emergencies.
Embassy
Bangkok
23 Thiam Ruam Mit Road, Ratchadapisek
Day-by-day itineraries by snuck, shaped around you.
Best time to go: November to February is usually cooler and drier, but flights and rooms can be harder to find around major holidays. Ko Samui and the Central Gulf Coast have a different pattern, with the dry peak season from May to October.

Thailand is a Southeast Asian kingdom on the Indochinese and Malay peninsulas, facing two seas.
Going to Thailand
Places close to Thailand with simpler entry for you.
South Korean citizens do not need a visa for Thailand. Show your passport at the border and stay up to 90 days.
Up to 90 days each visit with the no visa needed rule. Staying longer can mean a fine or a ban from coming back.
Thai citizens need an eTA, a short online form, before flying to South Korea.
Bahrain, Bhutan, Brunei, Cambodia China, and 5 more can enter without applying before they travel.
Brunei, Laos, Malaysia, Philippines Singapore, and 3 more let south korean citizens in without applying before travel.
Check your passport is valid for the whole stay, ideally six months beyond it. Carry proof of onward travel and of funds; border officers can ask for both.
Thai baht (฿). Carry some cash for arrival, especially if a visa fee is paid at the border.
Thai.
It ranks #7 and reaches 155 destinations without applying ahead.
Reviewed by @snuck