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How can I navigate the TDAC application for transiting through Suvarnabhumi Airport?

Oct 29, 2025
2 days ago
Joseph ****
ORIGINAL POSTER
Just want to thank Thailand Visa Advice for their free assistance with the TDAC application. I will be transiting through Suvarnabhumi in a few days, but bought the two legs of my journey separately and expect I'll have to pass through immigration and customs before checking in for next flight and different carrier. Was getting hung up on checking the box that I'm a transiting passenger. The official form wouldn't let me select that nor allow me to advance on the application. Reached out to Thailand Visa Advice to take them up on their standing offer of free assistance with this form and it couldn't have been more painless.❤️ About 5 minutes later I was approved and downloaded my QR code. Awesome and very grateful!!
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TLDR : Answer Summary
The post expresses gratitude for the assistance received from Thailand Visa Advice with the TDAC application while transiting through Suvarnabhumi Airport. The user is concerned about passing through immigration and customs since they purchased separate tickets for different legs of their journey. Comments discuss the ease of completing the TDAC form, the implications of airlines' codeshare agreements on baggage handling, and clarify what 'transiting' means in this context.
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)

John *******
Does "transiting" mean going thru
@Suvarnabhumi ********
en route to another Thai airport or an airport in another country?
Joseph ****
ORIGINAL POSTER
@John ******
I know all types post and comment including those who shouldn't travel, but I assure you this is about continuing on to another country.😉
Greg ***********
"and expect I'll have to pass through immigration and customs before checking in for next flight and different carrier." . . . . . . this depends if the two airlines you use, have a "codeshare" agreement or not. If they do, you often can get your baggage checked through, you need to ask when you check-in to your first flight. Which means that in Bangkok you stay airside in the transit area, just walk from the international terminal to the domestic terminal and enter Thailand through a special Immigration desk along this route. Your baggage then will only need to pass customs at the final destination airport
Joseph ****
ORIGINAL POSTER
@Greg **********
Ah, that's the ticket.👍 I'll look into if they codeshare or not. Unfortunately, just my first leg into BKK is on the cheapo Thai VietJet. Not sure if they are in any agreements. But the rest of my journey back to the States is with Philippine Airlines.
Greg ***********
@Joseph ***
so, I guess you do not even ENTER Thailand, which makes a TDAC unnecessary, because you will not enter Thailand if your baggage gets checked through - you will remain airside in the international transit area
Joseph ****
ORIGINAL POSTER
@Greg **********
It doesn't look like they do codeshare. I have 2
***
hours to pull it off on Saturday night and so I think I'll be okay. But let me say right now that I appreciate your help and information! It will continue to help others who later read this post, too.
Joseph ****
ORIGINAL POSTER
@Greg **********
I do hope that's the case. But I'm guessing it's not and that I'll have to clear imm. and customs. Let me look now to see if Thai VietJet and Philippine Air codeshare...

PS: All flights are theiugh Suvarnabhumi.
Greg ***********
@Joseph ***
the downside might be that you don't arrive at the same Bangkok Airport where your connecting flights arrives. Thai VietJet arrives at the BKK Suvarnabhumi Airport, and they got codeshare agreements with many other airlines. Philippine Airlines definitely depart from Suvarnabhumi . . . You need to exchange a few emails with them
Pete *******
Do you also need assistance crossing the road?
Paul ********
@Pete ******
no need for that comment, we all need help sometimes,
Pete *******
@Paul *******
I can wipe my own arse…
Joseph ****
ORIGINAL POSTER
@Pete ******
And you desperately feel the need to tell this to the world, don't you?
จิมมี่ *************
TDAC takes few minutes, easy do yourself
Joseph ****
ORIGINAL POSTER
Graham ******
@Joseph ***
but you are not transiting you are transferring ;)
Joseph ****
ORIGINAL POSTER
@Graham *****
I see the distinction. Thanks. 👍
จิมมี่ *************
@Joseph ***
I done mine this morning, I'm in UK visiting family arrive back Saturday.
Joseph ****
ORIGINAL POSTER
@จิมมี่ ************
I did it easily back in August. But the darn program wouldn't let me get passed that one part, today. Anyway, Thai Visa Center took it from there and got me sorted in minutes flat. So... can I say I had a happy ending?😂
จิมมี่ *************
@Joseph ***
I'm looking for a happy ending Saturday soon as back 🤣
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