What should I do if I want to visit Thailand again after three previous entries this year?

Drop going in july.

Wrong wrong wrong…there is no official limit on either air or land entrances into Thailand…enter as many times as you want..the only thing standing between you and entering is the I/O and the power of the stamp

I use normal tourist stamp to Thai in 2025, 13 times, no problem

Only thing you might need is the proof of return ticket (I was asked , didn’t show)

The only things you need is to spend time to queue for stamp passport, when you flying back, because

I used auto scanner to leave in BKK (no departure chop on passport), but the following trip when I arrive chiang mai, the custom said I don’t have departure record from my last trip (no stamp on passport), told me don’t use the auto scanner

Custom in different airport are not synced !

There are no limits to arriving in Thailand by air! Period!

I went for January came back for February then back out for March. All was well. When asked by IO why I said I need sun. Try living in the UK in the winter!

What matters is for how long you stay. Not how many times you enter. Bkk is a big hub for Asia.

There is no limit to number of air entries. If your purpose is clearly tourism, you will have no issues

There is no limit. But that doesn't mean it's unlimited. It's much more about how long you've been in Thailand than it is about how many times you've entered. Around 90 days in the past 6 months they start to interrogate you. Around 5-6 months in the last year or so and you're looking at possibly being denied entry. A tourist visa isn't likely to help if it's gotten to that point.

Nobody can tell you for certain. Maybe immigration will stamp you in no questions asked. Maybe they will ask to see return ticket, hotel booking, cash on hand. Maybe they will stamp you in but tell you to get a visa next time. Maybe they will refuse you entry and make you buy a plane ticket out. It's a crapshoot.

3 visits to Thailand this year would indicate to Immigration that you are no longer a tourist and I suspect that Immigration will require you to enter with a long term visa appropriate to the reason for your stay. If you attempt to enter on a visa exempt I suspect that you would be denyed entry.

Get a visa