Do children (under 12 years) need a visa?

Dear Michelle Wanwimolruk

Thanks for your concern, 

Please apply visa for your kids before you enter Vietnam 

You can follow the link to apply visa online with us https://www.vietnam-evisa.org/apply-visa.html

Apply visa online, You will get visa stamp on the passport upon arrival, All you need to do is fill your information in the form and make payment online.
After that, we will send You the approval letter via email, please print it out to board the plane and use it to get visa stamp on the passport upon arrival.

For any further details, please contact us at visa@vietnam-evisa.org or call us at (+84) 909 343 525

Best Regards
Stepfanno Tran (Mr .)