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Can I check in a day early at Bangkok Airport and wait to board my flight to China without overstaying my Thai visa?

Thailand Visa Exemption Overstay Concerns Passport Space Issue Traveling to China Immigration Procedures Airline Check-in Process

May 12, 2025

3 days ago

Sevenk ******

ORIGINAL POSTER

Hello, i am currently in Thailand and my passport is almost full (i still have some little space left on 2 or 3 pages, enough space for the small stamp of visa exempt entries but 0 blank pages left). 

I plan to go to China and then go home from China. But my flight for China is on the same day as my last day allowed by my visa exemption in thailand, which means if i am not allowed to board in, i will have to take a flight the day after to go home, and therefore will get an overstay of 1 day.

I really want to avoid the overstay, i stay in thailand usually 6 months per year and i dont want to get more hassle in the future because of 1 day overstay.

Do you know if its possible in Bangkok to check in online and to through the immigration 1 day before the departure? And then to wait in the boarding area…?

Ps: 2 months ago i have been to China i already had 0 page left on my passport and it was ok at the immigration but the airline did not check… i dont need a visa for china and the stamp is very small, but now i really have not much space on my passport.

Thank you.

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TLDR : Answer Summary

The user is currently in Thailand with a nearly full passport, facing a tight schedule as their flight to China coincides with the last day of their visa exemption. They are concerned about potential overstays and whether they can check in online a day early at Bangkok Airport to avoid issues related to passport stamps for their upcoming flight. Comments from the community suggest that checking out a day early is not permitted and express concerns regarding the immigration process and the need for enough space in the passport.

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Tod *********

no you aren't going to be able to stamp OUT of thailand a day before your flight and then hand around in departures for a day before you board your flight 🙁

just show up, check in, stamp out and leave the country when you're supposed to?

Good luck with your travels, don't even know how this post managed to get ON the visa advice group, BUT we wish you well

3 days ago

Heather ***************

I believe it will be up to the Immigration officer in the country that stamps you in, if there is no space in your passport they may refuse entry.

3 days ago

Michael ********

Why would you not be able to board to go to China. Not understanding the question.

3 days ago

Lloyd ********

What? If you can't board one day because of passport space, you won't be boarding the next day either?

3 days ago

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Lloyd ********