Auto gates at Thailand’s airports
Thailand is expanding its automated passport gates: Singapore and Hong Kong already pass through, and 31 more nationalities were promised access before high season. Here is who can use them, how they work step by step, and what to do if the gate does not open.
Auto gates are automated passport-control gates: instead of an officer, a machine checks your passport, reading the chip and matching your face against the photo in it. In summer 2026 Thailand got serious about them: per our news, in July the Suvarnabhumi gates served Singapore and Hong Kong passport holders, and on 17 August the government pledged to open them to 31 more nationalities by the end of the month, ahead of high season. This guide collects what is known as of this update: who can use them, how to pass and what to expect.
Who can use the auto gates
As of this update the picture is: Singapore and Hong Kong passport holders got access first, a second expansion phase was slated for September 2026, and the list of 31 additional nationalities was drawn up from entry-rejection statistics, the Henley Passport Index and security checks. Officials estimate the expansion opens the gates to roughly 6.5 million short-term visitors a year plus about 900,000 long-term visa holders. One important rule: travellers whose biometric data is already in the Thai system pass through the gates straight away, while first-time arrivals give their biometrics at a staffed desk first. Check the exact list of nationalities before you fly on the official Immigration Bureau and AOT resources.
How to pass: step by step
- Before you fly, fill in the TDAC digital arrival card on the official government portal – it is free and required for everyone, whichever way you clear immigration.
- Get your biometric passport ready: take off the cover, open the photo page and place it on the gate’s scanner – the doors will open.
- Inside, stand on the mark and look at the camera: the system matches your face against the photo in the chip. Remove glasses and headwear if asked.
- The second set of doors opens – the whole pass takes under a minute. If it is your first time in Thailand, you give your biometrics at a staffed desk first and can use the gates on later visits.
Which airports have auto gates
The programme covered in our news is rolling out first at Bangkok’s Suvarnabhumi – the country’s biggest international hub, handling up to 190,000 passengers a day in peak season, about 70,000 of them international arrivals. The rollout is phased: the order depends on equipment readiness, biometric database integration and security review; fully running, the auto gates could handle up to 53% of all inbound international passengers. The gates as a technology have long stood at other major airports too, including Don Mueang and Phuket, but historically mostly for Thai citizens. When the expansion for foreigners reaches a given airport our sources do not say – watch the signage on arrival and the official AOT announcements.
How much time it saves
The main saving is the queue. The toughest window at Suvarnabhumi is 1pm to 5pm, when the immigration halls take 5,000 to 6,000 arriving passengers an hour. Officials expect the expanded automated lanes to cut congestion in the immigration areas by more than 50%. The gate itself takes under a minute to pass; how much you save on a given day depends on the length of the queue you skip – in high season that can be a fair chunk of the first hour of your holiday.
| Auto gate | Staffed desk |
|---|---|
| Time: under a minute at the gate itself | Time: a live queue, noticeably longer at peak (1pm–5pm) |
| Who: nationals on the approved list who have already given biometrics in Thailand | Who: all arrivals, including first-timers and children |
| What you need: a biometric passport with a readable chip and a completed TDAC | What you need: any valid passport, a TDAC and, if asked, extra documents |
| Stamp: usually none, entry is recorded electronically | Stamp: put in your passport by the officer |
If the gate turns you away
If the doors do not open, it is no drama and no penalty: just join the regular queue for an officer. Common reasons: it is your first time in Thailand and your biometrics are not in the system yet, your nationality is not on the approved list, the passport chip cannot be read, or the system could not match your face (glasses, headwear, a big change in appearance). Small children and edge cases are sent to the desk too. Keep your passport and TDAC confirmation handy – the officer will process your entry as usual.
Tips for high-season arrivals
- Fill in the TDAC only on the official government portal – it is free. Authorities explicitly warn about third-party sites that charge for the free form and put your personal data at risk.
- Check your passport before flying: the chip must be readable and the validity must meet the requirements. At the control, take the cover off and have the photo page open in advance – it makes the pass quicker.
- Allow buffer time for connections: peak arrivals at Suvarnabhumi run from 1pm to 5pm. Auto gates speed up passport control, but baggage and transfers do not get any faster.
- If you plan to extend your stay, think about the stamp: auto gates usually do not put one. If you need the mark in your passport, use the staffed desk and check the Immigration Bureau rules.
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FAQ
Do I need to register in advance to use the auto gates?
There is no separate online registration. Under the scheme in our news, returning travellers whose data is already in the immigration system pass through the gates straight away, while first-time arrivals give their biometrics at a staffed desk – the gates open to them from their next visits. What everyone should do in advance: fill in the TDAC arrival card on the official portal.
Will an ordinary passport without a chip work?
As a rule, no. Auto gates read the chip of a biometric passport and match your face against the photo in it, so a passport without a chip, or with a damaged one, will not get through – in that case join the regular queue for an officer. Check the exact document requirements for your trip in the official Immigration Bureau sources.
Can children use the auto gates?
Usually not: at most airports worldwide the auto gates are meant for adults, and families with small children are sent to a staffed desk so the officer can process everyone together. Age thresholds vary between countries, and our sources give no single rule for Thailand – as of this update, follow the airport signage and the staff on the spot.
Do the auto gates put an entry stamp in my passport?
Usually not – that is exactly why the pass is so quick: the entry is recorded in the electronic system, not with a stamp in your passport. To be honest about it: if you need the mark for later formalities, such as extending your stay, it is safer to go through the staffed desk or speak to an immigration officer right away. Check the current rules with the Immigration Bureau.
How much do the auto gates and the TDAC card cost?
Nothing. Passing the auto gates is free, just like regular passport control, and the TDAC digital arrival card is filled in for free on the official government portal. In our news, authorities explicitly warned about third-party sites that surface in search results, charge for this free form and put travellers’ personal data at risk. Fill in the TDAC only on the official portal.
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Updated 2026-09-02