Best SIM Cards for Thailand of 2025

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Travelling to Thailand and in need of a reliable SIM card? Look no further! Thailand boasts a variety of SIM card options, each with their own unique features, data plans, and prices. Whether you're visiting for a short period or an extended stay, having a local SIM card can save you money on roaming fees and keep you connected to loved ones and important information. With numerous providers to choose from, it's essential to research and compare plans before making a decision. These SIM cards can be easily purchased at airports, convenience stores, or mobile phone shops throughout the country.
At a Glance: Our Top Picks
Top 6 SIM Cards for Thailand
travSIM Thailand SIM Card with 30GB Data
The travSIM Thailand SIM offers 30GB of mobile data with 4G/5G speeds, perfect for staying connected during your travels. With a 15-day plan, you can easily use VoIP apps like Skype and WhatsApp for local and international calls, ensuring you can communicate effortlessly. The SIM card works across popular tourist destinations in Thailand, providing reliable internet access wherever you go. Additionally, it is compatible with both iOS and Android devices, making it convenient for all users.
TSIM Thailand eSIM Card with 30GB Data
The TSIM Thailand eSIM Card provides 30GB of 5G/4G/LTE data, ensuring you stay connected during your travels. After your data allowance, the speed drops to 384kbps, which is still useful for basic browsing. You can enjoy free incoming calls throughout Thailand, making it easy to stay in touch without worrying about costs. With unlimited calls between users of these SIMs, you can communicate freely with fellow travellers. The eSIM is prepaid, pre-registered, and activates simply by scanning a QR code, offering hassle-free connectivity from the moment you arrive.
Love Mobile Data SIM Card for Travel
The Love 2 Surf SIM provides 6GB of data over 60 days, ensuring you stay connected while travelling across Canada, Hong Kong, India, Indonesia, Japan, South Korea, Thailand, South Africa, and the USA. Its universal compatibility means it fits most smartphones and devices, making it easy for you to use. With enhanced network support, the SIM automatically connects to the strongest signal available, giving you reliable coverage. Plus, the easy setup allows you to monitor your usage and manage data top-ups effortlessly.
Thailand Prepaid SIM Card with 50GB Data
The SIMBIRD Thailand SIM Card offers travellers an excellent solution for staying connected in Thailand. With up to 50GB of 5G/4G high-speed data for 10 days, you can enjoy seamless internet access without worrying about extra charges. The SIM also provides a local Thai number and 100 minutes of local calls, making it easy to stay in touch with friends and family. Plus, its prepaid nature means no registration is required, giving you hassle-free connectivity as soon as you arrive.
Asia Travel eSIM Card with 6GB Data
The SimCorner Asia eSIM offers 6GB of fast data for 15 days across 30+ Asian countries, making it perfect for international travellers. You can enjoy unlimited access to websites and social media apps without any restrictions, allowing you to stay connected effortlessly. Activation is a breeze with simple step-by-step instructions, ensuring you can start using your data immediately. Additionally, you can purchase multiple eSIMs for longer trips or increased data needs, providing flexibility for varied travel plans.
SimCorner New Zealand SIM Card with 10GB Data
The SimCorner New Zealand SIM offers 10GB of 4G internet data, allowing you to stay connected during your travels. You can enjoy unlimited minutes to New Zealand mobiles and landlines, which means you can easily keep in touch with locals. Additionally, you will receive unlimited incoming calls from any country, ensuring you never miss an important call. The plan also includes 200 international call minutes to various countries, making it convenient for communicating with friends and family back home.
Frequently Asked Questions (FAQs)
1. Which SIM card is best in Thailand?
Prices are broadly similar to the competition, so for the majority of visitors to Thailand, AIS SIM cards are the best option. 3G/HSPA+ is available on the 900 and 2100Mhz bands, while 4G/LTE is provided on 1800 and 2100Mhz (LTE bands 1 and 3).
2. Do I need to buy a SIM card in Thailand?
Do I really need to buy a sim card when travelling in Thailand? Unless your current mobile SIM allows free high-speed 4G connections overseas and reasonably priced international calls, then the best alternative is to purchase a tourist SIM card in Thailand.
3. Can I buy a Thai SIM card online?
You can buy a SIM card there and the staff will help you to set up your phone. However, if you want to get the best deal for Thai phone number, book your Thailand SIM card online and get it right at the airport.
During our sim card for thailand research, we found 20 sim card for thailand products and shortlisted 6 quality products. We collected and analyzed 3,521 customer reviews through our big data system to write the sim cards for thailand list. We found that most customers choose sim cards for thailand with an average price of £30.32.
The sim cards for thailand are available for purchase. We have researched hundreds of brands and picked the top brands of sim cards for thailand, including travSIM, TSIM, love 2 surf, SIMBIRD, SimCorner.

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