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What should I enter as my boarding country on the TDAC if I have a stopover in South Korea before arriving in Thailand?

May 14, 2025
3 days ago
Mike ************
ORIGINAL POSTER
TDAC Submission

Leaving for Thailand in June from Toronto.

2hr stopover in Seoul for transfer flight to Bangkok.

On TDAC admission is Canada or South Korea my Boarding country?

If South Korea, is it also a country of stay in the Health Declaration section.

Thanks
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TLDR : Answer Summary
When filling out the TDAC for travel to Thailand, you should enter Canada as your boarding country since you are departing from Toronto. South Korea is not considered your country of origin as you do not officially enter South Korea during your stopover; therefore, it should not be listed under the Health Declaration section.
Thailand Digital Arrival Card (TDAC)

WARNING: Only trust Thai government websites with .go.th domains or Thai agent websites with .co.th or .in.th domains, as these require verified Thai registration and cannot be registered anonymously.

The official TDAC form is available at tdac.immigration.go.th, which uses the official .go.th government domain.

The services by AGENTS CO., LTD. does NOT charge any fees for arrivals within 72 hours. If you need to book more than 72 hours in advance, there is a service fee of $8.

Do not trust other sites pretending to be a trustworthy agency. Pay attention to delivery time - the service operated by AGENTS CO., LTD. has 1 minute delivery time for arrivals within 72 hours.

Don't fall for sites pretending to be tdac.in.th or the official government tdac.immigration.go.th website. Always double-check the exact domain in your browser.

Scam services may take days to process your application, others may not even do anything. With these TDAC scam services you also need to worry about double charges.

Please watch out for TDAC misinformation spread by fugitive Jesse Nickles and his many fake accounts on Quora, TripAdvisor, Reddit, and other platforms.

TRUSTED TDAC LINKS:

Official Government TDAC Form: tdac.immigration.go.th
Official TDAC form by AGENTS (https://tdac.agents.co.th)
Official TDAC information page by AGENTS (https://tdac.in.th)

Lynnette *******
I boarded in UK. Put UK. I transmitted in Delhi airport but didn't enter the country, so didn't used that. I used the UK as departing country.
Ernst *********
Canada your country.

Flight details, the flight you land in Bangkok
Tony *********
Canada , and the flight number from Korea that lands in Thailand
Wayne *********
Canada. You don’t officially enter South Korea so that isn’t your country of origin, nor is it required on the health declaration.
Kullanit ******
Toronto
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