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What should I include in the flight details section of the TDAC form?

Oct 28, 2025
3 days ago
Corrado *******
ORIGINAL POSTER
Good afternoon everyone! I need help filling out the TDAC form. Under the flight details heading, do I need to include any stopovers or just the departure and arrival dates? Thank you for your help. Have a nice day.
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TLDR : Answer Summary
When filling out the TDAC form for entering Thailand, you should include the flight details of the last segment that lands in Thailand. The departure information is not required but if any field is touched, it may become mandatory. Stopovers should not be included; only the final leg of the journey and its flight number need to be filled out.
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 agents.co.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
Official TDAC information page by AGENTS (tdac.in.th)

Barry *******
It’s pretty self explanatory!
Ian **********
@Barry ******
very helpful comment 😐
Area *************
Departure and arrival πŸ™
Robert **********
There is hardly anything easier than filling in a TDAC...
Bennito *********
Dear Lord...
Lynnette *******
I put my UK flight number because that's where I'm coming from. I didn't put the flight no. for transit because my flight didn't originate there. Also, we had a delay and my second leg flight number was changed anyway.
Nongnuch ********
same with "visa number" . . . . . it is not a required field. And if you have a stopover, it always is the last flight leg and its flight number you need to fill out
John *********
@Nongnuch *******
if you have a DTV, make sure you put the number in the Visa box!
Phil ******
Mate last flight that terminates here please
@Corrado ******
Corrado *******
ORIGINAL POSTER
Thanks for advice
Brandon ************
You put the arrival flight for Thailand. The last segment that actually lands in Thailand.

For departure, leave it blank, it's not required. But if you accidentally touch any of the fields, it will all become mandatory to fill out.
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