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Do I need to extend my Thai visa or can I reapply for an online travel visa after visiting Vietnam for 10 days?

Thai visa rulesVisa exemptionVisa extensionBorder runsTravel to VietnamImmigration policiesExpat advice
Dec 21, 2025
6 days ago
Andrew *********
ORIGINAL POSTER
I’m in Thailand, Vietnam, probably for close to 3 months Jan / march.

I plan to visit Vietnam in late feb be for the visa runs out,if I enter Vietnam for 10 days, do I need to extend Visa to 90 or can I just reapply for a online travel visa. Thanks.
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TLDR : Answer Summary
The user is in Thailand and plans to visit Vietnam for 10 days before their visa expires. They inquire whether they need to extend their Thai visa or if they can simply obtain a new online travel visa upon returning. The responses clarify that if they enter Thailand visa-exempt, they will receive a 60-day entry upon re-entry from Vietnam, in addition to information about extending their visa and possible costs.
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Andrew *********
ORIGINAL POSTER
@Roland *******
 ??
6 days ago
Reply
Gregory *********
When you leave thailand your visa is cancelled if it is a single entry visa. You will need a new one or visa exempt (which is really effectively a visa exempt of application).
6 days ago
Reply
Stephen ********
@Gregory ********
 it's really an entry exempt of an actual visa 🤷‍♂️
6 days ago
Reply
Andrew *********
ORIGINAL POSTER
@Gregory ********
 so a new Thailand Digital Arrival Card (TDAC) ? I will be checking I’m just curious
6 days ago
Reply
Gregory *********
@Andrew ********
 yes new TDAC. For every entry.
6 days ago
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Reply to
Gregory *********
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Simon *******
Arrive visa exempt for 60 days then you can simply extend it for another 30 days at immigration it will cost 1900bht no need to go to Vietnam unless you want too.

If you do go to Vietnam you will get another 60 day visa exemption when you arrive back in Thailand providing you haven't done border runs before you will be ok ,no need to get an evisa

Don't forget to do your TDAC every time you enter Thailand.
6 days ago
Reply
Andrew *********
ORIGINAL POSTER
@Simon ******
 I’m going as part of my break does the in and out for 10 days give me back another 60 days (only staying Jan - March
6 days ago
Reply
Greg ***********
@Andrew ********
 on your second visa-exempt entry you might get asked for the three famous proofs: 20,000 THB or equivalent, in cash. Proof of a few booked nights of sccomodation. Proof of onward travel within the first 60 days. . . . . also, the onward travel proof can be asked by the airline! Anyone who is flying visa-exempt to Thailand CAN get asked for an onward travel proof out of Thailand within the first 60 days, so beware
6 days ago
Reply
Simon *******
@Andrew ********
 yes it does,you may get questioned why you have done it but as long as you are a genuine tourist its ok .
6 days ago
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Reply to
Simon *******
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Wayne *********
You getting a visa before going to Thailand or you arriving visa exempt? Visa exempt you will get 60 days when re entre from Vietnam stamped into your passport if your from a country who gets visa exempt.
6 days ago
Reply
Andrew *********
ORIGINAL POSTER
@Wayne ********
 yes will get the 60 day online Visa, was wondering if the fact that I am leaving the country to go to Vietnam for 14 days before the Visa finishes will I need to get an extension to that Visa to make it 90 days or just apply again online?
6 days ago
Reply
Wayne *********
@Andrew ********
 why not just arrive visa exempt? Unless you have history of arrival
6 days ago
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Andrew *********
ORIGINAL POSTER
Appreciate your help
@Wayne ********
 no history, how do you mean? Ok I’ll be applying for Thailand Digital Arrival Card (TDAC) 60 days if I leave to go to Vietnam 10 days do need a visa or apply for ant another Thailand Digital Arrival Card (TDAC)
6 days ago
Reply
Greg ***********
@Andrew ********
 the TDAC is not a visa. The TDAC has nothing to do with the stay permit you receive when you enter Thailand either on a 60 days tourist visa or enter visa-exempt and get stamped in for 60 days. The TDAC is just a digital informal "arrival" note you enter into the computer for Thai Immigration
6 days ago
Reply
Wayne *********
TDAC does not give you 60 days it is just an arrival card. Don't confuse it with a visa or visa free entry
6 days ago
Reply
Wayne *********
@Andrew ********
 if no previous history of arriving with no visa and getting stamped in for 60 days. Then just come no visa and get 60 days free of a visa
6 days ago
Reply
Andrew *********
ORIGINAL POSTER
@Wayne ********
 yes but as the post states I’m looking at 3 months with a exit in and out of Vietnam
6 days ago
Reply
Wayne *********
Yes so you get visa free entry when you come back from Vietnam fir another 60 days.

Go Thailand get 60 day stamp no visa. If you leave to Vietnam say on 40 day for x amout of days you then come back to Thailand visa free for 60 days.

You only need to do the TDAC each time to enter Thailand.
6 days ago
Reply
Andrew *********
ORIGINAL POSTER
@Wayne ********
 thanks that’s my thinking I’ll obviously need a Digital Arrival Card (TDAC) for them
6 days ago
Reply
Wayne *********
Yes only need the TDAC and must do it within 72 hours of arrival. Note its free so be careful of scam sites charging for it
6 days ago
Reply
Alan ********
@Wayne ********
 good advice Wayne, it took a while to get through 🤣.
6 days ago
Reply
Steven *******
You need to submit a TDAC every time you enter Thailand.
6 days ago
Reply
Greg ***********
@Steven ******
 the DTAC is a mobile phone provider in Thailand
6 days ago
Reply
Andrew *********
ORIGINAL POSTER
@Greg **********
 if you read again this is a Thailand Digital Arrival Card (TDAC)
6 days ago
Reply
Reply to
Andrew *********
Reply
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