Best eSIM and SIM card for Thailand

Tourist SIM or eSIM? Real 2026 prices and a quick way to decide.

Updated October 2026 · Prices in baht with US dollars at about ฿33.5 = $1

Staying connected in Thailand is cheap and the mobile networks are fast. You have two good options: a Thai tourist SIM bought at the airport, or an eSIM installed before you fly.

Tourist SIM prices (AIS and True)

PackageAISTrue
1 day฿49–
5 days฿399–
8 days฿499฿499
15 days฿699฿699
30 days฿1,199฿1,199

Prices from Visit Thailand Today, October 2026. dtac now shares True's network. You need your passport to register the SIM and an unlocked phone. Since August 2025, tourist SIMs last a maximum of 60 days.

Airport counters are in the arrivals halls at Suvarnabhumi, Don Mueang, Phuket and Chiang Mai. 7-Eleven sells top-ups but not tourist SIMs.

eSIM: set up before you land

An eSIM installs on your phone at home in a few minutes and starts working when you land, so there is no queue at the airport. Thai eSIM data plans start from about $4. They use the same Thai networks, but most are data-only, so you will not get a Thai phone number.

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AiraloThai eSIM you install before you fly, data from the moment you land.
Get Airalo eSIM
YesimFlexible eSIM plans for Thailand and multi-country Southeast Asia trips.
Check Yesim
SailySimple data-only eSIM plans with a clean app.
Check Saily
DrimsimOne physical SIM that works across 190+ countries.
Check Drimsim

Which should you choose?

If…Choose
You want data the moment you landeSIM
You need a Thai number (for Grab, deliveries, bookings)Tourist SIM
Heavy data use for a monthTourist SIM 30 days
Your phone is older than about 2018Tourist SIM
Several countries in one tripRegional eSIM
Check your phone first eSIMs need a compatible, unlocked phone. Search for your model plus eSIM, or check the list in the eSIM app before you buy.

Questions people ask

What is the best SIM card for tourists in Thailand?

AIS and True both sell tourist SIMs at the same prices: ฿499 for 8 days, ฿699 for 15 days and ฿1,199 for 30 days. AIS also has a 5-day option for ฿399.

Is an eSIM or a SIM better in Thailand?

An eSIM is easier because you install it at home. A physical tourist SIM gives you a Thai number and is good value for heavy use.

Can I buy a SIM card at 7-Eleven in Thailand?

7-Eleven sells top-up credit but not tourist SIM packages. Buy at the airport or at AIS and True shops in town.

Do I need a passport to buy a SIM in Thailand?

Yes. Every SIM must be registered to a passport. Staff usually do it in a few minutes.