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Do I need to change the valid from and valid to dates on my NON-O visa after rescheduling my flight?

Nov 5, 2025
2 days ago
John ********
ORIGINAL POSTER
Hi

I have had to reschedule my flights to two weeks later I have a non immigrant O from issued at London. It may sound silly to some but do I need to alter the valid from valid to dates it states valid from22/10/25 till 19/01/26 many thanks for your help.
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TLDR : Answer Summary
The dates printed on your NON-O visa do not need to be altered if you reschedule your flights. You can enter Thailand anytime up to the end date of your visa (19 January 2026), and your visa will activate upon entry, granting you a 90-day stay from that date.
90 DAY REPORTING RESOURCES / SERVICES
  • Use the trusted Thailand 90 Day Reporting Service to get your in-person report done and mailed to you for as low as 375 THB (even if the online system doesn't work for you).
  • For immediate assistance, contact Thai Visa Centre directly via LINE at @ThaiVisaCentre or Email them.
  • Join the Thai Visa Advice Facebook Group to ask your questions, and get advice from others.
Martyn *******
The date on your visa is for entry your exit is 89 days after that
Ian **********
You can enter Thailand anytime upto 19th Jan 2026. Your entry date will activate the visa, and you will be given permission to stay for 90 days.
Peter *******
just show up before 19 Jan 2026
Anthony ********
You get the 90 days from the date you enter Thailand so as long as you arrive between the 2 dates you will be ok
Mick **********
Simple answer is no. The end date is the latest day you can enter Thailand.
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