Living and working in Thailand can be exciting — but staying connected shouldn’t be expensive. Whether you're a factory worker from Myanmar, a student from India, or a freelancer from the Philippines, unlimited internet is essential for calling home, using social media, or streaming your favorite shows. In 2025, the good news is that Thailand offers affordable unlimited data SIM cards that suit all budgets — and this guide will show you where to get them and how to choose the best one.
Thailand’s three major mobile operators — AIS, TrueMove H, and DTAC — all offer unlimited internet packages in 2025, but some are better for expats than others.
DTAC stands out for budget users. They frequently offer unlimited data packages starting from just 150 THB per week, or 299–399 THB per month, depending on the speed. These plans often come with unlimited Facebook and TikTok access, making them popular among young users and social media lovers.
TrueMove H is known for promotions on Shopee and Lazada. You can often find unlimited 4 Mbps or 10 Mbpspackages bundled with bonus coins or cashback. This is great for watching YouTube, using Messenger, or joining video calls with decent quality.
AIS, while often more expensive, is the most reliable provider in rural areas and smaller provinces. If you're in the countryside or near the border (e.g., Mae Sot, Mukdahan), AIS may be the best choice despite the slightly higher cost — usually around 499 THB/month for unlimited 4G or 5G.
You can purchase a SIM card with an unlimited internet plan at:
Official stores at 7-Eleven
Mobile kiosks at bus terminals or markets
Online platforms like Shopee and Lazada
Local convenience stores that serve expats (many in border towns offer Burmese/Khmer-speaking staff)
On Shopee Thailand, just type “Unlimited SIM” or “ซิมไม่อั้น” and filter for DTAC, True, or AIS. Some sellers specialize in expat-friendly SIMs that already include unlimited data.
Not all unlimited plans are the same. Here’s how to understand the options:
1 Mbps or 2 Mbps: Enough for chatting, emails, and light browsing.
4 Mbps: Smooth video streaming and social media use.
10 Mbps: Good for gaming, video calls, and multitasking apps.
Full speed (unlimited 5G/4G): For heavy users or those sharing internet.
DTAC and TrueMove often limit their cheaper unlimited plans to 1–4 Mbps. If speed is important to you, look for a 10 Mbps package or one with “ไม่ลดสปีด” (no speed reduction).
DTAC Go No Limit SIM: Usually around 229 THB/month
If you’re trying to stay under 300 baht per month, here are some options to search for:
DTAC Go No Limit SIM: Usually around 229 THB/month
SHOPEE | LAZADA SIM Bundles: Promotions like “7 days unlimited + 100 coins” for 99–150 THB
Remember: always check if the SIM is pre-registered or if you need to register it with your passport. You’ll also want to confirm if the data is truly unlimited or has a daily cap.
True Unlimited 4 Mbps: Sometimes found for 299 THB on Shopee
Buy from trusted Shopee stores: Look for ratings and “Shopee Mall” badges.
Avoid tourist SIMs if you’re staying longer than 1 month — they are expensive and expire fast.
Use Facebook expat groups to find advice on which network is strong in your specific area.
Ask about signal quality if you live near mountains or border zones.
You don’t have to break the bank to stay connected in Thailand. Unlimited SIM cards are cheap, easy to buy, and available everywhere — even if you speak limited Thai. Whether you’re a factory worker in Samut Prakan, a student in Chiang Mai, or a laborer near the Cambodian border, you can get a SIM card that works for your lifestyle and budget.